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MRJ have partnered with a fast-growing AI-First tech company based in Belfast (But with multiple UK hubs) that’s done with “good enough.” Their platform serves tens of thousands of users, and sloppy infrastructure isn’t an option. They need a DevOps Engineer who brings order to chaos, automates the tedious, and builds systems that actually let teams move fast. Hybrid working with 2 days in Belfast (applicants must be UK based) "We’re looking for someone who gets excited about doing things the right way, Kubernetes, GitOps, automation-first. You won’t just patch problems; you’ll define how engineering operates for years to come." If you thrive on tackling root causes, turning messy systems into reliable pipelines, and empowering squads to ship confidently every day, this is where you belong. Azure, AKS, CI/CD, observability, and security aren’t just buzzwords... they’re your playground. The Opportunity: As a DevOps Engineer, you’ll be at the heart of engineering delivery. Your work decides whether squads ship daily with confidence or get bogged down in manual processes and flaky deployments. You’ll maintain and improve Azure-based Kubernetes infrastructure, manage CI/CD pipelines, implement infrastructure-as-code, and drive observability and security standards that let small, autonomous squads operate at full speed. This isn’t about keeping the lights on, it’s about building, improving, and elevating the systems that power the platform every day. In essence, you’ll be: • Own and improve infrastructure: AKS, Azure, Terraform, Docker, Helm. reliable, secure, scalable., • Run CI/CD pipelines: ArgoCD/GitOps workflows, automated testing, blue/green & canary deployments., • Drive observability and reliability: monitoring, alerting, logging, incident response, and performance tuning., • Enable engineering teams: provide tooling, containerization guidance, and automation best practices., • Proactively improve systems: security, performance, cost optimisation, and disaster recovery. Core skills needed: • Production DevOps/platform experience running real systems., • Deep Kubernetes (AKS) + Terraform/IaC expertise., • Azure cloud experience and CI/CD skills (GitOps/ArgoCD a plus.), • Scripting/automation (Bash, Python, etc.) and distributed systems troubleshooting., • Calm, methodical problem-solving under pressure., • GitHub Actions, cloud networking, and load balancing knowledge., • Security tooling, FinOps, and cost optimisation experience., • Familiarity with SQL/Postgres/Redis, log aggregation, or SaaS platforms., • Exposure to AI/ML infrastructure and disaster recovery planning. Interested? If your instinct is to improve things, automate things, and engineer things the right way, let’s talk. Please note: • Salary band is £75k - £80k (DOE), • Hybrid working with 2 days in Belfast, • many more perks we’re happy to discuss once the application process starts!

At Digital Iron, we're building the intelligent infrastructure that powers predictive maintenance and parts procurement automation across the heavy equipment ecosystem. We work with customers to transform how industrial equipment is maintained. We're looking for an AI Infrastructure Engineer who combines deep technical expertise in distributed systems with strategic thinking about integration architecture. You'll need exceptionally high standards for data accuracy, first-principles problem solving, and an obsession with building systems that scale across diverse partnership models. As our first dedicated infrastructure engineer, you'll work on problems at the intersection of knowledge graphs, real-time IoT data, and enterprise integration—building infrastructure that thousands of businesses will depend on. What You'll Own • Design the framework that supports multiple partnership and customer models: Deep Embedded (white-label components), Best-of-Breed SaaS (standalone platform with APIs), Data Layer Only (predictions via API), • Evaluate architectural tradeoffs across complexity, risk, scalability, time-to-market, and value capture for each pattern, • Make build vs. buy decisions: direct API integrations vs. iPaaS middleware vs. embedded agents, • Define authentication strategies across OAuth 2.0, certificate-based auth, and federated identity for different customer security models, • Create deployment patterns that work across on-premise, cloud, and hybrid environments, • Design for portfolio risk What You'll Do Design Integration Architecture Build bi-directional integrations with customer ERP systems and telematics platforms. Architect event-driven systems that turn predictive alerts into automated workflows. Implement multiple integration patterns (Direct API, middleware/iPaaS, embedded agents, webhooks) to support different partnership and customer models. Build Knowledge Graph Systems Transform flat parts catalogs into semantic networks using AWS Neptune. Design ontologies that capture ACES (fitment) and PIES (attributes) standards for heavy equipment. Build ingestion pipelines that parse customer data and extract compatibility relationships. Implement graph traversal algorithms for multi-hop reasoning ("find compatible substitute parts in stock"). Develop Agentic Workflows Create AI agent orchestration using Amazon Bedrock that breaks complex requests into multi-step workflows. Build tool functions agents invoke: graph queries, customer API calls, inventory checks, order placement. Implement GraphRAG systems that ground LLM responses in structured graph data to prevent hallucination on critical fitment recommendations. What We're Looking For Graph & Semantic Systems • Experience with graph databases (Neptune, Neo4j) and ontology design, • Ability to model complex domain relationships as graph structures, not tables, • Understanding of semantic query languages (Gremlin, SPARQL) and entity resolution Backend Engineering & Data Systems • Strong Python for data pipelines, graph operations, and application logic, • Experience with database design across relational and graph paradigms, • Background normalizing data from disparate sources with conflicting formats Enterprise Integration & API Design • Track record designing bidirectional API integrations with enterprise systems, • Experience with event-driven architectures, webhooks, and async workflows, • Knowledge of authentication models (OAuth 2.0, SAML, certificate-based) Data Engineering Excellence • Strong experience normalizing data from disparate sources with conflicting formats, • Obsession with accuracy where 99% is insufficient—compatibility data must be correct, • Experience building automated validation and conflict resolution systems, • Ability to model complex business domains (you'll learn heavy equipment specifics) Nice-to-Haves • Experience in automotive, heavy equipment, or industrial IoT domains, • Experience with embedded/white-label integration models or AI agent frameworks, • Knowledge of industry standards (ACES, PIES, OAGIS) or similar B2B data formats, • A network of sec-ops and ML compliance resources and colleagues to tap as we scale our team, • TypeScript for backend services and integration middleware, • Experience working with founders to evaluate integration architectures across different partnership strategies (deep embedded, best-of-breed SaaS, data layer only) This Role Is NOT For You If: • You prefer infrastructure automation over application architecture, • You're more comfortable with Kubernetes and Terraform than APIs and databases, • You need complete requirements before designing systems, • You view integration work as "plumbing" rather than strategic architecture Role Level Leadership & Team - You will have one staff-level engineering direct report with dotted lines across a team of engineers. You will be expected to deliver 80% hands-on code development with 20% oversight across our vendors, strategy and a direct report. We can be flexible on title for the right candidate. Role Details Location: US (East Coast & Mid-West remote only), South London & Belfast Office (Hybrid) Visa: Cannot sponsor at this time Start: Immediate availability preferred Ready to Build Integration & Data Systems That Matters? If you're excited about designing backend systems at the intersection of graph databases, enterprise integration, and AI agents—where your technical decisions have direct business impact—we want to hear from you.

VANRATH is delighted to be partnering with a global market-leading financial technology organisation to recruit a Senior Software Engineer for a high-impact engineering team. This is an outstanding opportunity to work on business-critical, real-time systems that underpin global financial markets. You’ll join a highly skilled, collaborative Agile team, building cloud-native, event-driven platforms used by both internal trading teams and external clients worldwide. The Role • Design and build scalable, distributed systems using modern .NET, • Develop high-quality APIs and cloud-based solutions, • Collaborate closely with architects and senior engineers, • Mentor other developers and drive best practice, • Contribute across the full software development lifecycle What you will need • Strong experience with C# / .NET Core, • Background in cloud-native, distributed or event-driven architectures, • Solid database experience (SQL Server / MySQL), • Exposure to AWS or Azure, • Front End Experience is Desirable (JavaScript/React) Benefits • A highly competitive salary package, • Annual bonus and performance incentives, • Generous pension and private medical insurance, • Hybrid working model (3 days in office), • And many more! Apply now or get in touch with Jarlath O’Rourke for a confidential discussion.

Why join? * Work on large-scale, distributed data platforms * Strong engineering culture with a focus on quality and best practice * Opportunity to influence architecture and technical direction * Collaborative, inclusive teams with experienced engineers * Clear investment in learning, growth, and l

Job description. Data Engineer - AI & Automation Location: Belfast (Hybrid) Eligibility: Must have the right to work in the UK (no sponsorship available) I am working with a fast-growing AI automation company that is expanding into Belfast and building a brand-new technical are now looking for Data Engineers to help build the data foundations that power intelligent, agent-driven software testing at scale. You'll be joining a team where data is the backbone of everything: model training, real-time decision making, predictive analytics, and the next generation of AI-powered testing capabilities. If you enjoy architecting pipelines, tackling messy data, and building reliable systems that ML and engineering teams depend on, this is a chance to help shape a new Belfast function from the ground up. Why join? Be part of the founding Data Engineering team in a brand-new Belfast hub * Work on high-impact pipelines feeding cutting-edge AI and automation systems * Build modern, cloud-native data architecture with freedom to influence tools and direction * Strong collaboration with ML, software engineering, and platform teams * £55k - £75k per annum What you'll be doing: Design and build scalable, reliable data pipelines for ingestion, transformation, and feature delivery * Develop and maintain cloud-native data infrastructure supporting AI-driven testing platforms * Own ETL/ELT workflows, data models, and real-time processing components * Partner with Data Scientists to productionise features and ensure high-quality training data * Build systems for monitoring, observability, and data quality across multiple sources * Work with engineering teams to integrate data workflows into core platform services * Influence architecture and tool choices as we scale the new Belfast operation * Contribute to best practices in data governance, documentation, and automation What you'll bring: Strong experience building data pipelines using Python, SQL, or modern ETL frameworks * Hands-on experience with cloud data platforms (GCP ideal, but AWS/Azure welcome) * Solid understanding of data modelling, warehousing, and distributed processing * Experience with workflow/orchestration tools (Airflow, Prefect, etc.) * Ability to collaborate with ML teams and support model deployment workflows * Comfortable working in a fast-moving environment with lots of autonomy * Strong problem-solving mindset and attention to data quality, performance, and scalability Interested? If you'd like to join a growing AI team building genuinely impactful systems, reach out to Justin Donaldson for a confidential chat or send your CV to learn more. Skills: Python ETL SQL Cloud data pipelines

Principal Software Engineer Location: Belfast (3 days per week in office) Salary: Up to £80,000 + bonus A global market infrastructure organisation is seeking a Principal Software Engineer to lead the development of business-critical software platforms supporting global financial markets. This is a senior technical leadership role within an Agile engineering environment, responsible for setting technical direction, driving engineering excellence and delivering scalable, resilient solutions. You will influence architecture and delivery end-to-end, working closely with architects, senior engineers and business stakeholders across regions. The role combines hands-on technical leadership with ownership of delivery, mentoring engineers and championing modern engineering practices across distributed, cloud-native systems. Role Responsibilities Lead cross-functional engineering teams delivering high-impact software solutions Set technical direction and engineering standards in collaboration with senior engineers globally Partner with solution and enterprise architects to design solutions aligned to long-term strategy Own delivery outcomes, ensuring solutions meet business needs, quality standards and timelines Drive continuous improvement through tooling, architecture and process enhancements Communicate effectively with stakeholders, identifying and resolving delivery risks early Experience & Skills Proven experience leading high-performing engineering teams in Agile environments Strong background designing and building distributed, event-driven, cloud-native systems Expert-level experience with .NET Framework / .NET Core using C# Strong API design and development experience (REST, GraphQL) Solid understanding of relational databases such as SQL Server or MySQL Hands-on experience with cloud platforms, ideally AWS or Azure Deep understanding of the full SDLC from design through post-release support Strong communication, leadership and stakeholder influencing skills Experience building scalable automated testing solutions for complex systems Desirable experience includes financial or trading platforms, FIX protocol, AWS services, Java or JavaScript, React, microservices, serverless architectures and TDD or BDD practices. Apply here or reach out to Aaron Somers at Ocho for more information via LinkedIn. Skills: software development software engineering

Site Reliability Engineer We're working with a global technology consultancy that designs, builds, and supports modern software platforms for enterprise customers worldwide. They partner closely with clients to deliver reliable, scalable, cloud-native solutions. The Role As an SRE, you'll play a key role in ensuring the availability, performance, and scalability of production systems, supporting customers across the EMEA region. Helping to build, mature, and enhance the SRE function. This is a hands-on, technical role, focused on reliability, automation, and operational excellence across a distributed, cloud-based platform Key Responsibilities Platform Reliability: Deploy, operate, and improve Kubernetes clusters across multiple cloud environments. Service Performance: Design and implement processes to enhance system reliability, availability, and scalability. CI/CD Enablement: Build and optimise CI/CD pipelines to support safe, repeatable deployments. Observability & Incidents: Own monitoring, alerting, and incident response to minimise downtime and speed recovery. Root Cause Analysis: Lead post-incident reviews and implement long-term preventative improvements. Automation: Reduce operational toil through automation and performance optimisation. On-Call: Participate in weekday coverage and a once-monthly weekend rota. Collaboration & Stakeholder Engagement Work closely with engineering, infrastructure, and product teams to embed SRE best practices. Advocate for reliability, resilience, and operational excellence across teams. Collaborate with a globally distributed engineering function. Engage directly with customers to resolve incidents and improve user experience. Skills & Experience Proven experience as an SRE or similar role, supporting complex distributed systems (5+ years). Strong Kubernetes experience (AKS, EKS, GKE, or similar). Hands-on with observability tools such as Prometheus, Grafana, Kibana, Vector, or Superset. Experience with at least one major cloud platform: AWS, Azure, GCP, or Linode. SQL database experience (PostgreSQL beneficial but not essential). Proficiency in Python, Go, or Rust. Strong Linux expertise, including performance tuning and troubleshooting. Excellent communication skills, able to work effectively with engineers and customers. customers and cross-functional team Please apply now if you are meeting the above criteria, or contact Andrew Harrison directly. Skills: SRE AWS Azure Kubernetes Terraform CI/CD Python Benefits: Work From Home

Principal Full Stack Engineer role based in Belfast with a hybrid working model. This is a permanent position reporting into the Head of Engineering, with a competitive salary on offer. We are looking for an experienced Senior Software Engineer who can operate comfortably across the full stack, lead small engineering teams, and help shape the technical direction of both new and existing products. This role focuses on building high impact, customer facing platforms using modern JavaScript frameworks, cloud native architectures, and event driven APIs. You will work closely with product, design, and engineering leadership to deliver scalable features, drive engineering best practice, and support the development of junior engineers. This opportunity suits someone who enjoys turning ambiguous ideas into practical technical solutions, shipping quickly without compromising quality, and influencing both architecture and delivery. In this role, you will lead and deliver full stack features using React, TypeScript, Node.js, and Python. You will design and build scalable backend services, APIs, and integrations, while working closely with Product and UX to scope features, refine requirements, and contribute to roadmap direction. You will take ownership of the full software delivery lifecycle, from planning through QA, release, and iteration. You will implement CI and CD pipelines and automate deployment workflows using tools such as GitHub Actions, Docker, Kubernetes, and AWS. You will coach and mentor junior and mid level engineers, helping improve delivery velocity and team capability. You will provide technical leadership in architecture discussions and cross team collaboration, produce demos, documentation, and updates to keep stakeholders aligned, and help establish engineering standards, rituals, and best practices across the wider technology team. The ideal candidate will bring seven or more years of full stack development experience across React, Node.js, TypeScript, and Python. You will have strong cloud and infrastructure knowledge, including AWS services such as EC2, ECS, S3, and Lambda, along with experience using Kubernetes and Docker. You will have built modern CI and CD pipelines and worked with automated testing frameworks such as Jenkins, GitHub Actions, or Playwright. You will have proven experience leading engineering teams, owning delivery, and navigating ambiguity. A strong product mindset is essential, with the ability to translate business goals into clear technical plans and articulate trade offs. Experience working in startups, scale ups, or greenfield environments is highly valued. You should be comfortable working with relational databases such as PostgreSQL, with additional exposure to MongoDB considered an advantage. Strong communication skills are required, along with confidence presenting technical work to both internal and external stakeholders. You should care deeply about clean, maintainable code and scalable architecture. Additional experience that would be nice to have includes working with highly distributed systems or event driven architectures, involvement in platform engineering or developer tooling, and experience integrating with third party services or building internal SDKs. This is a high ownership role with genuine influence over technical direction. You will have the opportunity to lead greenfield product development in a collaborative, product first culture where engineering and delivery move quickly. There is a clear pathway for career progression into Tech Lead or Staff Engineer roles, alongside a competitive salary and benefits package. If you are an engineer who enjoys shipping meaningful software, guiding teams, and shaping platforms from the ground up, reach out to Ryan Quinn on LinkedIn for a confidential chat. Skills: Python AWS React TypeScript Kafka Benefits: Work From Home Options

Company A global, product-led technology business building large-scale digital platforms used by major retail and consumer brands worldwide. This is a true product engineering environment, not consultancy or project-based delivery, with long-term ownership of complex systems operating at significant scale. The Role You'll play a key role in designing and evolving highly scalable backend services that sit at the heart of the company's product platforms. Working closely with other senior engineers, architects, and product teams, you'll influence technical direction, improve system performance and reliability, and help raise engineering standards across the organisation. This is a hands-on role with real architectural influence, ideal for someone who enjoys solving complex distributed systems problems while still being close to the code. Tech Stack Core development in Java Cloud-native services running on AWS Microservices and event-driven architectures Infrastructure as Code and CI/CD pipelines Modern monitoring and observability tooling What We're Looking For Strong commercial experience building large-scale Java systems Deep understanding of cloud-native design, ideally within AWS Experience designing distributed, highly available systems Comfort mentoring senior engineers and leading by technical example Product mindset and experience working closely with product teams Location & Package Based in Belfast with hybrid working (mix of office and home) Salary up to £90,000 depending on experience Annual bonus and strong overall benefits package Long-term product roadmap and genuine career progression Apply here or reach out to Aaron Somers at Ocho for more information via LinkedIn. Skills: software development software engineering Benefits: Work From Home bonus pension healthcare options

The Global Fixed Income Trade Processing (FiTP) Team is seeking a Senior Software Engineer (Java) with a proven track record of design and developing large, complex and distributed systems. Proficiency in core Java (5+ years of experience) with demonstrable success in developing multi-threaded appli

Vice President of Engineering Location: Remote (Ideally need to be based in the UK) Salary: £140,000–170,000 base + equity + benefits About the Company Join a Series A–funded digital asset risk-management platform backed by Microsoft, Coinbase, Samsung, Nyca, and Neotribe. With $22M raised and three years of financial runway, the company powers real-time risk monitoring, analytics, and intelligence insights for financial institutions, custodians, tokenized-asset issuers, and regulators. Their mission is to enable safe, compliant, scalable blockchain participation for institutions on a global scale. About the Role As VP of Engineering, you will lead and scale the engineering organization responsible for delivering the company’s core risk platform. You’ll define technical direction across architecture, data infrastructure, analytics systems, and compute pipelines, while integrating emerging intelligence-driven capabilities such as automated risk scoring, alerting, reporting, and anomaly detection. You’ll work cross-functionally with Product, Analytics, and Customer Success, operating as a technical and strategic leader shaping the next phase of platform evolution. Key Responsibilities Engineering Leadership & Execution • Lead engineering teams across backend, frontend, SRE, data platforms, and risk analytics., • Drive execution of the engineering roadmap, delivering secure, scalable enterprise software., • Define engineering processes that promote iteration, performance, and predictable delivery in a remote-first environment. Architecture & Platform Direction • Own end-to-end evolution of platform architecture: ingestion pipelines, scoring engines, real-time compute, APIs, and integrations., • Guide system design decisions that ensure resilience, scale, and extensibility amid growing regulatory and market complexity., • Lead technical direction for enterprise deployments, POCs, and customer integrations. Data Infrastructure & Analytics • Scale the data platform to support broader asset coverage, higher throughput, and more sophisticated analysis., • Develop advanced analytics capabilities including anomaly detection, cross-chain signals, and automated scoring models., • Ensure data accuracy, quality, and resiliency across pipelines and computation layers. Emerging AI & Automation Capabilities • Introduce new automation, reporting, and workflow intelligence features., • Integrate AI-powered classification, alerting, risk scoring, and customer-facing insights securely and transparently., • Ensure future enhancements remain enterprise-ready, explainable, and compliant. Cross-Functional Collaboration • Work with Product and Analytics to convert customer needs into technical execution plans., • Support Sales Engineering and BD by communicating technical capabilities and roadmap direction., • Serve as a technical leader in customer evaluations, deployments, and audits. Technical Skills & Required Expertise The role requires deep hands-on architectural and technical leadership across distributed systems, data platforms, and analytics tooling. Languages & Backend • Python, Go (Golang), TypeScript, • Strong understanding of distributed systems, microservices, API-driven architectures Data & Analytics • AWS Redshift, Athena, DynamoDB, Snowflake (or equivalent cloud data warehouses), • Kafka, Kinesis, or other streaming/event platforms, • Experience building large-scale ingestion and normalisation pipelines, • Experience with analytics engines, scoring frameworks, and real-time compute Cloud & Infrastructure • AWS preferred (EKS, Lambda, S3, IAM, CloudWatch, ECS), • CI/CD tooling, infrastructure-as-code, observability, monitoring, deployment pipelines, • Experience operating highly available systems in production environments Security, Compliance & Enterprise • Secure systems design, identity/auth workflows, audit trails, • Enterprise-grade performance monitoring, SLAs, and reliability metrics Domain Expertise • Blockchain data platforms, node infrastructure, or crypto risk systems, • Analytics-heavy or automation-centric enterprise platforms What Sets This Role Apart • Lead engineering for a category-defining risk platform transforming blockchain compliance and safety., • Set foundational architecture powering global financial institutions and regulators., • Build and scale a world-class engineering org across multiple disciplines. Perks & Benefits • Competitive salary + meaningful equity, • Medical insurance (location dependent), • Fully remote + home office budget, • Supported attendance at blockchain conferences, • Opportunities to collaborate globally and shape emerging industry standards

Senior Account Executive Payments & Risk (Fintech) UK-based (remote-first, with occasional London office use) Territory: Europe-led, global remit £90,000 base + uncapped commission + equity An early-stage, VC-backed fintech is building a next-generation platform using advanced analytics and AI to help payments businesses better understand and manage merchant risk. The business is small, international, and scaling carefully. This is a senior, hands-on sales role for someone who thrives in complex, consultative environments rather than high-volume SaaS. The Role This is a full-cycle, quota-carrying role with ownership of revenue across Europe initially, expanding globally over time. You’ll work directly with founders and senior leadership to shape go-to-market strategy while personally closing meaningful, high-value deals. This is not a plug-and-play SaaS sale. Every engagement is bespoke, involving deep discovery, tailored commercial structures, and close collaboration with product and technical teams. Key Responsibilities • Own and deliver £1–2m in annual revenue, closing complex, high-value deals (£250k–£1.5m)., • Lead senior-level conversations with payments executives, risk leaders, and commercial stakeholders., • Run highly consultative sales cycles involving customised pricing, structures, and solutions., • Build and refine sales processes suitable for an early-stage, scaling environment., • Act as the voice of the customer internally, influencing product direction and roadmap., • Support brand visibility and early-stage marketing initiatives across core markets., • Represent the business at industry events and conferences across Europe and APAC. Essential Experience • Circa7+ years experience as a quota-carrying Account Executive or equivalent., • Proven track record of personally closing £1m+ annual revenue on a consistent basis., • Strong network and credibility within the payments ecosystem (e.g. acquirers, payment facilitators, PSPs, fintechs)., • Demonstrable experience in complex, consultative sales with high levels of deal customisation., • Comfortable operating in startup environments – you’re senior, but very hands-on., • Experience selling across the UK and Western Europe. Nice to Have • Exposure to insurance, underwriting, or risk-led products., • Experience building or scaling regional sales teams., • Close collaboration with marketing in early GTM stages., • US-related sales exposure., • Experience working remotely in distributed teams pre-Covid. Working Environment • Remote-first, globally distributed team (c.20 people)., • International travel expected (Europe regularly, APAC c.2x per year)., • Limited inbound leads - success will come from proactive, intelligent outbound activity. Package & Benefits • Up to £90k base salary, • Tiered commission, • Equity participation, • Private healthcare, • Significant scope to influence commercial strategy and future leadership structure Please contact Ian Bailey at Harrington Starr for full details

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network The next step is to speak to Jack. Job Description: As the Engineering Manager at Vega, you will spearhead the technical evolution of a high-growth fintech platform. You will oversee 2–3 backend squads, shaping long-term microservices architecture using Java 21 and AWS. This role balances strategic technical leadership with hands-on mentorship to drive engineering excellence, security, and scalable system design. Why this role is remarkable: • Lead the architectural transition of a high-stakes fintech platform using a modern Java 21 and Kubernetes stack., • Join a high-growth venture backed by world-class investors during a critical phase of platform expansion and scaling., • Enjoy significant ownership over the engineering culture, with the autonomy to set standards for observability, resilience, and security. What you will do: • Provide technical leadership to multiple backend squads, guiding decisions on microservices modularity, system boundaries, and resilience., • Define the long-term technical roadmap and backend standards across the organization to ensure consistent engineering quality and delivery., • Mentor and grow senior engineers into technical leaders, helping shape career paths and a culture of high-performance and cross-team learning. The ideal candidate: • Possesses 10+ years of engineering experience with a deep mastery of modern microservices architecture and distributed systems., • Has a proven track record of leading multiple teams within cloud-native environments, specifically utilizing AWS, Kubernetes, and Spring Boot., • Demonstrates excellent communication skills to bridge technical trade-offs with product priorities for both technical and non-technical stakeholders. Who are Jack & Jill? Ok, I'll go first. I'm Jack, an AI Career Agent that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support. And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate. Next steps Step 1. Visit our website. Step 2. Click 'Talk to Jack'. Step 3. Talk to Jack so he can understand your experience and ambitions. Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role. Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction. Step 6. If not, Jack will find you excellent alternatives. All for free. We never post fake jobs This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn't much we can do about it. Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security of the software and hardware that runs our cloud infrastructure and strive for continuous improvement. The OCI Offensive Security group works as a team. We don't fit people into predefined roles. We bring together the right people who enhance team capability and build roles around each team member's skills and interests. Offensive Security Engineer Oracle Cloud Infrastructure Group The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security of the software and hardware that runs our cloud infrastructure and strive for continuous improvement. The OCI Offensive Security group works as a team. We don't fit people into predefined roles. We bring together the right people who enhance team capability and build roles around each team member's skills and interests. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are continually learning and taking opportunities to grow our careers and ourselves. We challenge each other to stretch beyond our past to build our future. You can learn more about us by visiting . Are you interested in building large-scale distributed security systems and tools for the cloud? Do you love the idea of working in an environment with the excitement of a start-up, but the financial backing of a Fortune 100 company? This role offers huge upside potential, high visibility, and fast career growth without the risks of a typical start-up. We are growing fast, maturing, and working on results-oriented initiatives. A security-focused leader can have significant technical and business impact. This is a unique opportunity to work with smart people to solve complex problems in distributed systems, security, and multi-tenant Infrastructure-as-a-Service (IaaS) operating at massive scale. The biggest challenges for the team is the dynamic and fast growth of the business, driving us to improve our systems, tools, and automation to scale to our security expertise several orders of magnitude greater than what we can support today. We understand that software is living and needs investment. The challenge is making the right tradeoffs, communicating those decisions effectively, and crisp execution. We hope you like working at scale as much as we do because Oracle has no shortage of it! Craft the future of one of the largest clouds on earth with us! Our ideal candidate is a hardworking and hands-on engineer who cares about security and improves their knowledge every day. We're looking for hands-on cloud hackers with expertise and passion in identifying and exploiting complex security problems in distributed, multi-tenant services and infrastructure. We operate distributed systems at a high scale, worldwide. These are the foundations of our cloud environment. Our customers run their businesses on our cloud, and our mission is to provide them with a best-in-class and ever-expanding set of cloud-based services. A security-focused engineer at any level can have significant technical and business impact. Come shape the future of one of the largest clouds on earth with us. To get you excited, here is a list of some of the projects over the last year this team has worked on: • Big iron - ExaLogic, ExaData, UltraSPARC, InfiniBand, • Firmware reverse engineering of various hardware components, • Developing custom fuzzing platforms for code-coverage analysis, • Several different hypervisors, • Linux and Windows kernel mode non-sense Responsibilities • You enjoy diving into complex source code audits to reveal subtle security vulnerabilities, • Writing new tools such as fuzzers in languages such as C/C++, Python, Ruby, Go or Java,, • Tearing apart an undocumented file format or network protocol, • Coming up with novel techniques to solve unique and interesting security problems, • Review new services, including their integration points with existing services, • Guide security projects beyond the scope of performing assessment work, • Identify and disclose vulnerabilities to 3rd party vendors, • Design complex systems and services that improve quantity or quality of offensive security output, • You'll reviews new features of moderate complexity in existing systems, identifying areas of new risk created; work with service teams to explore and recommend mitigations; and collaborate across service teams and security stakeholders., • Review new services, including their integration points with existing services, • Guide security projects beyond the scope of performing assessment work: identifying and disclosing vulnerabilities to 3rd party vendor or design of complex systems and services that improve quantity or quality of offensive security output, • You'll drive organization wide improvement in the form of engineering practices, security architecture, operation practices or development practices., • 6+ years of experience in vulnerability discovery / security engineering / application security, • Threat modeling experience of microservice architectures, • Experience working in a large cloud or software company, • Extensive research or experience with multiple classes of security bugs, • Evidence of contribution to the security community in the form of conducting training / thought leadership / conference talks / publications, • Improve security throughout the organization, identifying areas of risk or opportunities for improvement and piloting them, • Be a subject matter expert in at least one business-critical area (e.g. cryptography, hardware security, operating systems, authentication protocols, fuzzing, DoS mitigation, networks, distributed systems), • Collaborative track record working between internal teams and external organizations, • Excellent organizational, verbal and written communication skills, • Intermediate knowledge of Linux OS Internals, • Undergraduate or Graduate degree in Electrical Engineering, Computer Science, or another related field or equivalent work experience., • Hands-on experience developing services on a public cloud platform (e.g., AWS, Azure, Oracle), • Building continuous integration/deployment pipelines with robust testing and deployment schedules, • Experience working with internal customers and translating requests into prioritized work or features, • Expertise in applying risk identification techniques to develop security solutions, • Experience and understanding of Cryptographic algorithms, standards, implementation and application, • Experience and understanding of threat modeling, penetration testing, reverse engineering and attacks on software, • Experience working with large enterprise customers

The Global Fixed Income Trade Processing (FiTP) Team is seeking a Senior Software Engineer (Java) with a proven track record of design and developing large, complex and distributed systems. Bachelor’s degree with a relevant major (Computer Science, Information Technology, Mathematics, Engineering,

We’relooking forexceptionalStaffSoftware Engineerto help buildand tech leadour next-generation Developer Experience (DevEx) platform at Citiusing Kotlin. Comfortable collaborating withproduct, design, and UIengineers, and other stakeholders to understand requirements and deliver robust backend sol

The Global Fixed Income Trade Processing (FiTP) Team is seeking a Senior Software Engineer (Java) with a proven track record of design and developing large, complex and distributed systems. Bachelor’s degree with a relevant major (Computer Science, Information Technology, Mathematics, Engineering,

NET Developer - Remote (Northern Ireland). NET Developer to join their growing distributed engineering team. NET, cloud, and DevOps technologies in a collaborative, delivery-focused environment.

As a Site Reliability Engineer, you will work with Agile engineering teams to provide production insight into running and operating software at‑scale in a globally distributed and highly available cloud‑based system. Site Reliability Engineer – Symphony. Engineering and Information Technology.

Lead and mentor a team of backend developers across distributed locations. Collaborate with Frontend Lead, QA Lead and Delivery Manager on cross‑functional delivery. This role uniquely combines hands‑on technical development with team leadership, requiring a seasoned professional who can archite

You will be comfortable working with Linux and be familiar with standard developer tooling, such as Git, BitBucket/GitHub, Jira, Confluence, etc. We are a dynamic and globally distributed team of passionate technologists across London, Belfast, and the US, dedicated to designing, building, and deplo

The Global Fixed Income Trade Processing (FiTP) Team is seeking a Senior Software Engineer (Java) with a proven track record of design and development of large, complex and distributed systems. Bachelor’s degree with a relevant major (Computer Science, Information Technology, Mathematics, Engineer

We are a dynamic and globally distributed team of passionate technologists across London, Belfast, and the US, dedicated to designing, building, and deploying cutting-edge productivity and tooling solutions. You will play a key role in developing tooling for the Citi developer community using a rang

A leading banking institution is seeking a Staff Software Engineer/Tech Lead in Belfast to build and tech lead a next-generation Developer Experience platform using Kotlin.You will join a high-impact team focused on enhancing developer productivity and shaping workflows in real-time.The position req

The ideal candidate will be comfortable working on complex, distributed systems.

Principal Software Engineer I - Distributed Systems. We are looking for a senior engineer to join our Elasticsearch - Distributed Systems team and focus on scale, performance, and resilience. A strong background in distributed systems and consensus algorithms.

Software Engineer - Distributed Systems Control Plane— Cofounder. Control Plane / Distributed Systems Engineer. Distributed systems and backend architecture.

As a distributed company, diversity drives our identity. Elasticsearch - Principal Software Engineer II - Distributed Systems. Elasticsearch - Distributed Systems.

A pioneering tech startup is seeking a Software Engineer - Distributed Systems Control Plane. As a cofounder, you will take ownership of the execution governance architecture and ensure system integrity within distributed systems. This is an equity-only role aimed at candidates with a deep understan

We are on the lookout for a Principal Software Engineer II to join our Elasticsearch - Distributed Systems team and focus on how Elasticsearch provides scale, performance, and resilience. A strong background in distributed systems and consensus algorithms. You have shown your ability to understand a

Strong background in building distributed services using RPC frameworks and handling distributed state or consensus. Experience with distributed systems or developer tooling.

Staff Software Engineer, Assets - Distributed Systems. Architect, design, and implement accessible user interfaces, scalable data architectures, distributed tasks, and API endpoints. Improve reliability and scalability by contributing to distributed backend systems, including concurrent, synchronous

A leading prediction and trading platform in the United Kingdom is seeking a Software Engineer III for distributed systems.

We are on the lookout for a Senior Software Engineer to join our Elasticsearch - Distributed Systems team and focus on how Elasticsearch provides scale, performance, and resilience. A strong background in distributed systems and consensus algorithms. You have shown your ability to understand and wor

The ideal candidate should have a strong background in distributed systems, core Java skills, and technical proficiency in algorithms. A leading tech company in the United Kingdom is looking for a Senior Java Engineer to enhance Elasticsearch's distributed systems.

Candidates should have a strong background in distributed systems and consensus algorithms, as well as proficiency in core Java.

A leading financial technology company is seeking a Senior Finance Business Partner to join their Finance team.This role involves owning financial management and strategic decisions, driving commercial performance, and engaging with business leaders.Candidates should have experience in financial bus

A technology company in the United Kingdom is seeking a Principal Software Engineer II to join their Elasticsearch Distributed Systems team. Candidates should possess strong Java skills and a solid background in distributed systems.

A leading AI company in the UK is looking for a skilled engineer to join their pre-training team focused on Large Language Models.The successful candidate will engage in both programming and implementing architectures and will benefit from a fully remote work environment, flexible hours, and a stron

A leading tech firm in the United Kingdom seeks a Principal Software Engineer I to join their Elasticsearch - Distributed Systems team. Ideal applicants will have strong skills in distributed systems, core Java, and the ability to oversee projects from start to finish.

Staff Software Engineer/Tech Lead (Distributed systems) – SVP.

This role offers an opportunity to work on modern distributed systems and contributes to high-performance application development.

For additional information, please review.We’re looking for exceptional Staff Software Engineer to help build and tech lead our next-generation Developer Experience (DevEx) platform at Citi using Kotlin.You’ll be joining a small, high-impact team, shaping the daily lives of our 50,000 engineers

We are on the lookout for a Principal Software Engineer I to join our Elasticsearch - Distributed Systems team and focus on how Elasticsearch provides scale, performance, and resilience. A strong background in distributed systems and consensus algorithms. You have shown your ability to understand an

A strong background in distributed systems and consensus algorithms. Experience working on large, highly distributed systems. Elasticsearch - Senior Java Engineer - Distributed Systems.

Ideal candidates should have 3-5+ years of experience in Rust, with a strong background in distributed services and debugging complex systems.