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Role Overview Insight Global is seeking a Senior Java Developer to design, develop, enhance, and support high‑throughput global payments applications. You will work across major programmes including ISO 20022 migrations, Real‑Time Payments enablement, payment engine modernisation, and regulatory scheme deliveries. This is a hands‑on engineering role requiring strong fundamentals in Java, microservices, integration, and payments processing. Key Responsibilities • Develop and enhance Java‑based microservices, REST APIs, and event‑driven components., • Implement solutions for ISO 20022 message formats, transformations (XML/JSON), validations, and routing., • Build integrations using Mule ESB (or similar), messaging patterns, and Kafka/event streams., • Write performant SQL/PL‑SQL queries for Oracle‑based transactional systems., • Contribute to system designs, code reviews, and technical discussions (not full architectural ownership)., • Champion quality through TDD/BDD, automated testing (JUnit, Cucumber), and CI/CD best practices., • Work closely with DevOps/SRE to support smooth builds, deployments, and production readiness., • Collaborate effectively within Agile squads and across dependent teams, providing mentorship where needed., • Produce documentation aligned to standards and support regulatory/scheme milestones. Must‑Have Experience • 5–7+ years hands‑on software engineering (preferably within financial services or other high‑scale environments)., • Strong experience with Java/J2EE, microservices, REST APIs, and event‑driven architecture., • Experience working with payments systems or messages (CHAPS, TARGET2, SWIFT, RTP, ISO 20022)., • Proficiency in Oracle SQL/PL‑SQL, including writing efficient queries for high‑volume systems., • Solid understanding of XML/JSON structures and message mapping/transformation., • Experience with Mule ESB or equivalent middleware, messaging tools, and Kafka., • Strong understanding of Agile delivery, CI/CD pipelines, and DevOps practices., • Skilled in unit/integration testing frameworks (JUnit, Cucumber/Litmus)., • Good communication skills and ability to collaborate in multi‑team delivery environments.

Site Reliability Engineer (Security Cleared) Make sure to read the full description below, and please apply immediately if you are confident you meet all the requirements. • Salary to £60k + Company Options Scheme Overview This company is a Workflow & AI Orchestration Specialist. They're on a mission to modernise how public sector organisations manage casework, derive insight from data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for a (Security Cleared) Site Reliability Engineer (SRE) to join their growing platform and delivery teams. Youll help design, build, and operate reliable, secure, and performant infrastructure that underpins critical public-sector services. Youll combine your background in DevOps, cloud engineering, and automation with a focus on reliability, observability, and scalability. Youll also work with event-driven technologies, identity and access management, and data platforms, ensuring our orchestration solutions are resilient, secure, and future-ready. This is an exciting opportunity for an engineer who thrives on solving complex infrastructure and automation challenges, automating everything, and shaping secure-by-design delivery environments. Key Responsibilities Design, deploy, and manage containerized workloads using Kubernetes and Red Hat OpenShift Provision and manage infrastructure using Terraform Build and operate scalable infrastructure in Amazon Web Services (AWS) Design, implement, and maintain robust CI/CD pipelines Improve system reliability, observability, performance, and security Implement monitoring, logging, and alerting solutions Troubleshoot production incidents and perform root cause analysis Collaborate with development teams to improve application resilience and deployment processes Required Skills & Experience Experience in Site Reliability Engineering, DevOps, or similar roles Strong hands-on experience with Kubernetes and container orchestration Experience working with Red Hat OpenShift in production environments Proficiency in infrastructure as code using Terraform Solid experience with Amazon Web Services (AWS) Experience designing and maintaining CI/CD pipelines NB: Please only apply if you already have UK Security Clearance (SC). xrnqpay Other Stuff NB: for non-UK Citizens; we cannot accept applications from anyone requiring sponsorship (now or in the future) for UK permanent employment you are utilising a work visa this must allow you to work in the UK unrestricted for at least the next 5 years. Profile 29 recruitment keywords: Site Reliability Engineer Site Reliability Engineering, DevOps Kubernetes container orchestration Red Hat OpenShift Terraform Amazon Web Services AWS CI/CD Bash Python monitoring observability cloud architecture London hybrid remote AI artificial intelligence security cleared security clearance SC

Site Reliability Engineer / SRE / Systems Engineer.

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SRE ensures that Google Cloud's services—both our internally critical and our externally-visible systems—have reliability, uptime appropriate to customer's needs and a fast rate of improvement. Additionally SRE’s will keep an ever-watchful eye on our systems capacity and performance. On the SR

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A leading financial technology company in London is seeking a Senior Software Engineer for their Application Middleware SRE team.

A travel-tech company is seeking a Senior Site Reliability Engineer to join their remote-first team.The ideal candidate will have a Bachelor's degree in Computer Engineering, extensive experience in AWS and Kubernetes, and a strong grasp of observability principles.You will lead the design of scalab

Ideal candidates will have a Bachelor's degree in Computer Science and experience with DevOps and SRE practices.

AGITProp is an AI-driven quantitative research firm that continues to push the boundaries of advanced modelling — from algorithmic trading to factor modelling and other cutting-edge applications.Quant firms have leveraged AI and ML for years, but the increasing complexity and scale of global marke

A leading global crypto company in London is looking for an Infrastructure Intern to join the Site Reliability Engineering team.This 6-month internship offers valuable experience in a fast-paced fintech environment, working on projects that enhance platform observability and cost control.Candidates

The SRE will also drive improvements in system stability, working with technologies like Kafka and Kubernetes.

A leading technology company is seeking a Site Reliability Engineer Intern in London, UK.This role focuses on enhancing the reliability of iCloud services through innovative engineering solutions.Ideal candidates will have coding experience in Java or Golang, along with a strong understanding of Lin

A leading hedge fund in the United Kingdom is seeking a Site Reliability Engineer to evolve and scale their trading platform.The ideal candidate will focus on automation and system resilience, ensuring stability and performance of critical trading systems.You will build operational tools, improve ob

A leading technology firm in Greater London is seeking an experienced Software Engineering Manager to lead a team in designing and operating Kubernetes infrastructure.The ideal candidate will have extensive experience in managing enterprise-level services, team development, and a passion for operati

A leading tech company in the UK is seeking a Senior Site Reliability Engineer (SRE) to optimise and enhance their cloud platform's performance. Candidates should have excellent communication skills, experience in SRE roles, and a proactive attitude towards problem-solving.

Have experience with SRE principles and Observability‑Driven Development (ODD).

A technology firm in London seeks a qualified software engineer to build cloud platforms and tools for rapid and secure infrastructure provisioning.Ideal candidates should have over 5 years in software engineering, experience with Terraform, and cloud infrastructure management (AWS/Azure).This role

YouLend is a rapidly growing FinTech that is the preferred embedded financing platform for many of the world's leading e-commerce platforms, tech companies, and Payment Service Providers.Our software platform enables our partners to extend their value proposition by offering flexible financing produ

SRE Roadmap: Contribute to the continuous improvement of our observability, reliability, and automation initiatives.

Senior Software Engineer / SRE - Electronic Trading. Senior Software Engineers - SRE in Electronic Trading (ET) ensure our global enterprise products spanning fixed income, equities, and derivatives are resilient and observable. By championing modern SRE practices and automation, you will fundamenta

As an SRE you will be responsible for ensuring the availability, performance and cost effectiveness of these services.

Strong background in SRE, DevOps or Platform Engineering. As a Senior SRE, you will play a key role in ensuring the reliability and performance of systems that support millions of customers.

A leading tech company in Greater London seeks a Senior Software Engineer in Site Reliability Engineering.Responsibilities include enhancing life-cycle services, supporting system deployment, and maintaining service health.The ideal candidate holds a Bachelor's degree in Computer Science with 5 year

Agile, Site Reliability Engineering (SRE) and DevOps Principles and practices.

A leading hedge fund in Greater London is looking for a Site Reliability Engineer to join their trading desk focusing on quantitative strategies in the equity market.This role involves enabling machine learning strategies and quantitative research to scale in the cloud, specifically using AWS, while

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Senior Research Executive or Research Manager level.Hybrid, London – full time or part time.We are working with afull-service strategic consultancy who are looking for extra support atSenior Research Executive / Research Managerlevel.They deliver strategic research, combining quant, qual and analy

We are seeking a Senior Java Developer with strong SRE expertise to join a major production management transformation programme within a global investment bank. We are specifically looking for a hands‑on Java expert who combines deep architectural knowledge with SRE principles - someone who can de

A leading technology company in Greater London is seeking an experienced Infrastructure/SRE Engineer to enhance and maintain its cloud infrastructure. Candidates should have significant experience in SRE or DevOps roles, with a solid understanding of CI/CD pipelines and security best practices.