React jobs in BelfastCrear alertas

React Software Engineer - Multiple Roles (Junior to Senior) Want to work on cutting-edge projects with a team that loves clean, modern front-end engineering? Looking for a place where you'll actually see your work go live and make an impact? How about joining a team that values learning, collaborati

React Software Engineer - Multiple Roles (Junior to Senior) Want to work on cutting-edge projects with a team that loves clean, modern front-end engineering? Looking for a place where you'll actually see your work go live and make an impact? How about joining a team that values learning, collaborati

VANRATH are proud to be working with a leading digital product studio in the search for experienced Software Developers in Java Or React. As a Developer, you'll be responsible for designing and developing high-quality, scalable software solutions that power innovative digital products used by well-k

In this role you will: Develop modern, scalable front-end applications using React, TypeScript, and JavaScript Collaborate with architects and engineers to design and implement robust, maintainable solutions Contribute to a culture of clean code, testing, and DevOps best practices Support and mentor

NET Experience with Git, CI/CD tools, and database technologies (SQL/NoSQL) Excellent problem-solving and communication skills Desirable: Web development experience (React, TypeScript, JavaScript) Familiarity with AWS, containerisation, microservices, and serverless architecture Benefits A highly co

Full Stack Software Engineer About the role We are looking for a senior leaning Full Stack Software Engineer who is comfortable owning problems end to end and working across a modern, cloud based stack.You will join a collaborative engineering team driving the next phase of a growing platform that s

Company Description At Data Intellect it has never been just about data or technology, they are our tools. Its about human intellect, collaboration and providing solutions for the most complex of challenges. We do this by living the [DI] code: We are Problem Solvers who are Humble , possess a Can-do Attitude with a focus on Togetherness . We are not big on egos, but were not for the faint-hearted either Steve Turner, CEO Job Description What youll be doing: Build and enhance bespoke automated QA solutions for our clients Deliver high quality, best practice software solutions Use a range of architectures, tools and frameworks Have the opportunity to learn and gain certification in new technologies Recommend, implement and knowledge share new ideas and innovations Work as part of a dynamic team liaising directly with clients Produce clean and efficient solutions based on specifications Please note, this role will require 3 days per week on-site in Belfast . Qualifications Essential requirements: Minimum 2+ years experience in a QA role Demonstrable experience creating and maintaining comprehensive test plans, test cases, and test data across backend (e.g. Python, Java, kdb+, Postgres) and frontend (e.g. React) systems. Strong programming skills for automation of manual test plans. Solid knowledge of SDLC, agile and appropriate tooling Ability to collaborate with product owners, developers, and other QA team members to define and execute test plans and strategies. Use of Gherkin/Cucumber for testing in a Behaviour Driven Development environment. Strong interpersonal skills for working with development team to find and fix bugs. Ability to analyse, document, and track bugs. Basic SQL skills for data investigation Desirable requirements (highly advantageous but not essential): Basic kdb+ knowledge/willingness to learn kdb+ Use of AWS infrastructure and UNIX/Linux skills Prior experience of working in Capital Markets/Investment Banking Additional Information A little background on DI Simply put we turn big data problems into smart data solutions At our core, Data Intellect is a data and technology consultancy firm. Our key area of expertise is financial and capital markets technology solutions. However, the utility of these solutions allow us to apply fintech data expertise to other industries such as smart energy and healthcare. This proprietary offering is complemented by a wealth of experience in data engineering, electronic trading systems, data capture applications, regulatory and compliance systems and middle and back-office enterprise web solutions. Fair employment and equal opportunities Data Intellect is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Accommodations are available on request throughout the assessment and selection process. Welcome to Data Intellect. #ChallengeAccepted

What's in it for you? Salary: Competitive, based on experience * Hybrid working: 3 days per week in the office * Tech stack: React, WebGL, TypeScript * Work on a cloud security platform using eBPF-powered sensors to provide real-time threat protection * Contribute to building innovative and high-per

Are you passionate about building seamless, high-quality user interfaces? Do you enjoy transforming complex ideas into elegant, performant front-end solutions? Are you looking to join a team where your work has immediate impact? My client is seeking a skilled Front-End Engineer with 3-5 years of com

Typescript, Python Frontend React, Redux, Svelte, HTML, CSS Data RDBMS, Snowflake, NoSQL, Elastic, Redis DevOps AWS, Kubernetes, Terraform, Ansible, CI CD GitHub, GitLab, Jenkins Monitoring Datadog, Grafana, CloudWatch What you bring Proven leadership as a Senior or Lead Engineer within product led

Core Experience • Hands on years of experience in software development or IT automation with a proven track record of delivering robust solutions, • Experience working within Agile development methodologies and utilizing project management tools eg JIRA, • Proficiency with CICD practices and tools eg Tekton GitHub Actions, • Experience with containerization and orchestration technologies eg Docker Kubernetes As an Agentic AI Full Stack Engineer you will lead the design development and deployment of sophisticated agentic AI solutions You'll create autonomous workflows integrate AI agents with enterprise systems and develop user facing interaction points Key Responsibilities • Lead the design development and deployment of agentic AI solutions for autonomous task resolution and workflow automation, • Integrate AI agents with enterprise systems APIs and data sources for seamless automation and auto remediation, • Develop and maintain strategies for AI agent architecture ensuring scalability reliability and security, • Stay current with GenAI agent frameworks eg LangChain LlamaIndex Autogen and IT automation trends, • Provide technical guidance on agentic AI principles and best practices, • Develop intuitive frontend interaction points for AI agents eg chatbots copilots self-service portals using Nextjs React and TypeScript, • Expert level proficiency in Python for AIML and backend development, • Hands-on experience with agentic AI frameworks workflow automation or intelligent IT service management solutions, • Deep experience with Large Language Models LLMs and integrating RAG Retrieval Augmented Generation pipelines, • Experience in prompt engineering and designing effective prompt strategies for LLMs, • Familiarity with multiagent orchestration platforms eg LangChain LlamaIndex Autogen, • Strong expertise in Nextjs React and TypeScript for frontend development Mandatory Skills : GenAI - LLMOps

Principal .Net Developer Job description. Principal Software Architect / Engineering Manager Location: Belfast / Hybrid Type: Permanent Package: Competitive with leadership bonus Reporting To: CTO / Head of Engineering Overview We're searching for a Principal Software Architect / Engineering Manager to lead large-scale modernisation, drive architectural vision and guide engineering teams through transformational technical change. This role is ideal for someone who has operated at both strategic and hands-on levels ,shaping cloud architecture, modernising legacy platforms, and mentoring multi-disciplinary teams. You will influence product direction, define engineering standards, support platform evolution and deliver high-impact improvements across performance, reliability and developer experience. If you enjoy owning complex technical landscapes, enabling teams, and setting the future direction of platforms, this is the role for you. Key Responsibilities Architecture & Modernisation • Define and lead modern architecture strategies, guiding the transition from legacy systems to modular, cloud-native platforms, • Overhaul monolithic systems into scalable APIs, microservices and event-driven architectures (Azure, AWS), • Work closely with UI and backend architects to align system design, scalability and performance, • Introduce and promote AI-enabled engineering practices such as Copilot and GPT-based tooling for efficiency and quality improvements Technical Leadership & Platform Ownership • Provide architectural oversight across multiple applications, ensuring consistency, maintainability and technical excellence, • Lead long-term platform evolution, including cloud migration, containerisation (Kubernetes) and automation initiatives, • Diagnose and resolve complex performance issues across large-scale systems, • Champion software craftsmanship, TDD, BDD, design patterns and scalable coding practices Team Management & Engineering Culture • Manage and mentor cross-functional engineering teams, supporting growth, performance and delivery excellence, • Build engineering capability, from establishing new sites to scaling teams across regions (Belfast, India), • Create and run Architecture Review Boards, working groups and governance structures to maintain engineering standards Delivery & Stakeholder Engagement • Collaborate with product, infrastructure and senior leadership to define architecture roadmaps and ensure alignment to business objectives, • Own the end-to-end delivery of architectural initiatives, balancing technical depth with delivery speed, • Develop proofs of concept for new system capabilities using modern languages such as Java and Python, • Maintain senior-level visibility and effectively communicate complex technical decisions to stakeholders What You'll Bring Core Experience • 10+ years engineering experience with deep roots in .NET, cloud architecture, distributed systems and large-scale platform modernisation, • Significant leadership experience as an Engineering Manager, Architect, Site Lead or Principal Engineer, • Proven track record modernising enterprise systems from Web Forms → modular monoliths / microservices, with modern frontends (React, Angular), • Expertise in modern cloud technologies including Azure, AWS, Kubernetes, TeamCity, Octopus Deploy, • Strong architectural capability across event-driven systems, messaging (Kafka/Redis), API design and distributed systems Technical Skills • .NET / C#, Web Forms, Core, REST APIs, • Java, Python (for PoCs and architectural experimentation), • Kubernetes, Docker, CI/CD pipelines, • SQL Server, Postgres, caching strategies, performance engineering Leadership Competencies • Comfortable running multi-team engineering groups (20+ staff), • Excellent mentoring, coaching and talent development skills, • Strong communication skills with the ability to simplify complexity for senior leaders, • Proven success establishing engineering culture, standards and scalable processes Nice to Have • Experience in multi-region growth or site expansion initiatives, • Exposure to AI-driven software development practices, • Experience implementing BDD frameworks such as SpecFlow, xUnit, Hangfire, • Experience working in high-compliance or enterprise domains (healthcare, finance, security) Why Join Us • Opportunity to own and influence major platform transformation, • Senior leadership role with long-term architectural impact, • Work in a modern engineering culture with autonomy and trust, • Strong career progression across Principal, Head of Engineering and Enterprise Architecture paths, • Collaborative team of senior engineers and leaders committed to excellence How to Apply For a confidential conversation, please reach out directly to Ryan Quinn on LinkedIn.

Frontend Engineer Location: Belfast – 3 days per week onsite Contract: 6-month initial contract, possible extension to 12 months We’re seeking a Frontend Engineer skilled in Typescript using React to build and maintain high-quality web interfaces. You’ll collaborate with cross-functional teams, create wireframes, write automated tests, and contribute to an agile, quality-driven development culture. Responsibilities • Develop UI features with Typescript + React, • Maintain code quality with integration/unit tests, • Create wireframes (Figma or similar), • Collaborate with BAs, QAs, and PMs, • 3+ years in web app development, • Strong React functional component experience, • UI testing experience required, • Wireframing proficiency, • Stakeholder collaboration and attention to detail, • Typescript using React, • Strong Typescript/JavaScript, • AWS, • Wireframing tools, • CSS If you're interested, please share your CV at or apply directly.

QA/Test Engineer -Contract Location: Belfast (Hybrid Required) Duration: 6 months (initially) Rate: £300-£350 We are seeking a skilled QA Engineer to join a leading organisation in Belfast on a contract basis. This is a hands-on role, ideal for someone with strong experience in both manual and automation testing within agile teams. Key Skills: • 3+ years QA experience., • Experience writing and maintaining test plans, cases, and automation scripts, • Exposure to backend (Java, Python) and frontend (React) systems, • SQL experience, • Strong communication and collaboration skills Desirable: • AWS/ Azure / Linux experience Why Apply? Great daily rate, opportunity to work on exciting projects, and further your QA career in a leading tech environment.

Senior Software Engineer – Front-End (Belfast) 🚀 Permanent | Product Engineering | High-Growth Tech Environment Are you passionate about building modern, intuitive front-end experiences and shaping the future of large-scale software products? We’re partnering with a global technology company that develops industry-leading tools used by some of the most recognisable brands worldwide. With a strong engineering culture, a collaborative environment, and a commitment to innovation, this organisation offers the perfect place to grow your career. This is an opportunity to join a well-established product team working on a key platform within their portfolio. You’ll work closely with product, UX and engineering stakeholders to design and deliver new front-end solutions that are secure, scalable, and built for long-term success. What You’ll Do • Build and deliver modern front-end features for a widely adopted enterprise product., • Provide technical leadership, mentor engineers, and uphold coding standards., • Contribute to architecture, design, and continuous process improvements., • Review code, ensure quality, and drive best practices across the team., • Work closely with Product, UX and other engineering stakeholders to create a seamless user experience., • Champion improvements in performance, security, maintainability, and scalability. What You’ll Bring • 5+ years’ experience building scalable software systems., • Strong expertise with modern JavaScript frameworks (React or Ember)., • Solid knowledge of algorithms, data structures, and software design patterns., • Experience with CI/CD pipelines., • Strong communication and collaboration skills., • Ability to thrive in a fast-moving environment. Why Join? You’ll be part of a talented engineering group where creativity, learning, and collaboration are genuinely valued. The company promotes a culture of continuous improvement and provides ample opportunities to grow your technical expertise and career direction.

🚀 Hiring: Full Stack Engineer We’re looking for a Full Stack Engineer with 5+ years of experience to build scalable, secure, high-performance web applications using modern technologies. Key Responsibilities • Build frontend applications using Next.js, React, and TypeScript, • Design and develop backend services and APIs using MongoDB, • Develop and maintain RESTful or GraphQL APIs, • Integrate frontend and backend components end to end, • Collaborate with UI/UX designers and cross-functional teams, • Contribute to code reviews and continuous improvement Required Experience • 5+ years in software development or IT automation, • Strong experience with Next.js, React, TypeScript, and MongoDB, • CI/CD tools (e.g., GitHub Actions, Tekton), • Containerization and orchestration (Docker, Kubernetes), • Agile development experience (e.g., Jira)

Full Stack Software Engineer Location: Belfast Type: Permanent Hybrid: Yes Salary: 45-65K Overview We’re seeking a Full Stack Software Engineer who can deliver end-to-end features across modern frontend frameworks and Python-based backend services. This role suits someone who enjoys owning functionality across the full lifecycle, from API design to UI implementation, while working in a collaborative engineering culture with cloud-native tooling. What You’ll Be Doing • Building and maintaining full stack features with Python (Flask) and modern frontend frameworks, • Developing APIs, integrating AWS services, and supporting cloud-hosted components, • Delivering user-facing features using Vue2+/ React and related tooling, • Ensuring quality through unit testing, automation, and structured reviews, • Contributing to design discussions, improving existing systems, and supporting migration/upgrades, • Collaborating closely with product, UX and engineering teams to ship reliable, maintainable features, • Working across localisation, time zone logic, notifications systems and UI/UX refinement What You’ll Bring • Strong experience with Python (Flask) and JavaScript/TypeScript frameworks, • Commercial exposure to Vue2+, AngularJS, and Angular 2+ migration work, • Familiarity with AWS resources and cloud-hosted feature development, • Understanding of frontend testing and automation using Selenium and unit testing frameworks, • Backend experience with Java (Spring Boot), SQL and Groovy an advantage, • Ability to work across the full software lifecycle including design, implementation, testing and support, • Strong communication skills, ownership mindset and a willingness to contribute across the stack, • Previous experience operating in Agile development environments Nice to Have • Interest in teaching, mentoring or knowledge-sharing (ESL teaching background), • Experience contributing to GitHub projects or AI-related personal research, • Side-project or entrepreneurial background (e.g. eCommerce management) Education & Qualifications • MEng Software Engineering with a Year in Industry How to Apply For a confidential conversation or more information on the role, contact Eve Geddis on LinkedIn. EG11

Senior Fullstack Engineers Belfast / Remote friendly Up to £80K p/a + benefits Tech Stack: Typescript | Nodejs | AWS Serverless | React The Company An IoT startup set to more than double their engineering headcount… currently 6 engineers on the team and around 30 staff in total. The Role You’ll be joining a growing engineering team that’s set to more than double in size over the coming months. This is a backend leaning fullstack role… you’ll have real influence over technical direction, working closely with Principal Engineer/CTO in shaping architecture and driving feature development. The environment is modern and cloud‑native - AWS Serverless powering the backend, Typescript/Nodejs at the core, and React on the frontend. This is a chance to build out products from scratch and work end‑to‑end across the stack. The Person • 6+ years’ experience building and scaling software products., • Typescript/Nodejs experience., • Well versed in cloud platforms, ideally AWS experience., • Decent frontend experience, happy to contribute in a fullstack environment., • Strong collaborator, able to communicate ideas clearly across the team. For a chat in more detail, or if you have any questions reach out to -

ARC's purpose is to expedite access to precision medicine clinical trials for patients globally. We fulfil our purpose through our dedicated team of experts with unparalleled domain knowledge, and the important relationships we have developed with our global clients. We are a Belfast-based Clinical Research Organisation that specialises in delivering compliance excellence for companies in the precision medicine sector. We support many of the world's leading pharmaceutical R&D companies in implementing unapproved diagnostics in their clinical development programmes for patient selection or stratification, working as a strategic and integrated expert partner, taking full sponsor ownership of the IVD study being conducted in parallel with our clients' IND/IMP trial. ARC's team of experts cover IVD regulatory compliance, study design and approvals, quality assurance including vendor due diligence and management along with a team of clinical research experts who manage the IVD study, ensuring it is conducted in compliance with local and global GCP, and that the biomarker data is robust and reliable. To further support our growing client base and to expedite patient access to life-saving experimental medicines, ARC has developed and launched our SaaS platform, ARC360. ARC360 is transforming how organisations access regulatory intelligence and tailor study-specific information for using in vitro diagnostics to select and manage patients in IND trials. Powered by cutting-edge technologies and supported by a team of regulatory, quality, and clinical operations experts, ARC360 is designed to accelerate the initiation of complex clinical trials. Job Purpose As a AI Software Engineer, you will play a key role in designing, developing and maintaining high performance cloud-based applications. You'll work with cutting-edge Azure technologies to support our mission in precision medicine research. You will be a vital link between the software team and Internal & external stakeholders. Key Responsibilities • Develop & maintain applications using .NET (C#), .NET Core, and Azure technologies., • Collaborate with product managers, designers, and developers to create high-quality software solutions., • Develop AI solutions in a regulated environment, ensuring adherence to AI governance and compliance frameworks., • Design and implement Retrieval-Augmented Generation (RAG) architectures to optimize information retrieval for LLMs., • Mentor junior members of the development team, providing expert support when required., • Contribute to design decisions for up-and-coming projects, • Become a vital link between the software team and key internal and external stakeholders., • Design and manage MS SQL Server databases, optimizing performance and scalability., • Implement Azure cloud services (App Services, Functions, Storage, DevOps)., • Participate in code reviews and contribute to software development best practices., • Troubleshoot and debug applications to ensure reliability and efficiency., • Stay up to date with emerging technologies and industry trends. Essential Skills & Experience • Minimum of 3 years’ experience within a Senior Software Developer role, • Minimum of 5 years post graduate experience within Software Development, • Degree in computer science of a related discipline, • Strong experience in .NET (C#, .NET Core) and SQL Server., • Proficiency in Azure cloud services (Azure App Services, Functions, Storage)., • Experience with front-end technologies (HTML, CSS, JavaScript, Angular, React)., • Experience with latest AI technologies, • Understanding of microservices architecture & API development., • Strong problem-solving and debugging skills., • Previous experience in mentoring junior members of staff. Desirable Skills • Experience with Azure DevSecOps & CI/CD pipelines., • Strong communication and teamwork skills., • A keen interest in AI, • Some experience with PHP and symphony, Why Join ARC Regulatory? • Competitive Salary, • 30 days of annual leave, increasing to 35 days over time, • Employer pension contributions, • Employee Benefits Program (after probation), • Hybrid working model (3 days after the first 12 weeks of employment), • Training budget for professional development, • Office located in Catalyst Belfast – a hub of innovation “We are an equal opportunity employer; applications are welcome from all and appointment will be made on the basis of merit.”

About Us:- Net2Source Inc. is one of the fastest growing diversities certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia, and Middle East. About the Role: Job Title – Agentic AI Full Stack Engineer Location – Belfast, UK Mode of Work – Onsite 5 Days in a Week Type of Hiring – Permanent / FTE Skills Mandatory Skills : GenAI – LLMOps Role Overview: As an Agentic AI Full Stack Engineer, you will lead the design development and deployment of sophisticated agentic AI solutions You’ll create autonomous workflows integrate AI agents with enterprise systems and develop user facing interaction points Technical Skills: • Expert level proficiency in Python for AIML and backend development, • Handson experience with agentic AI frameworks workflow automation or intelligent IT service management solutions, • Deep experience with Large Language Models LLMs and integrating RAG Retrieval Augmented Generation pipelines, • Experience in prompt engineering and designing effective prompt strategies for LLMs, • Familiarity with multiagent orchestration platforms e.g., Lang Chain LlamaIndex Autogen, • Strong expertise in Nextjs React and TypeScript for frontend development, • Education bachelor’s degree in computer science engineering or a related field master’s degree is a plus Key Responsibilities: • Lead the design development and deployment of agentic AI solutions for autonomous task resolution and workflow automation, • Integrate AI agents with enterprise systems APIs and data sources for seamless automation and auto remediation, • Develop and maintain strategies for AI agent architecture ensuring scalability reliability and security, • Stay current with GenAI agent frameworks e.g., LangChain LlamaIndex Autogen and IT automation trends, • Provide technical guidance on agentic AI principles and best practices, • Develop intuitive frontend interaction points for AI agents e.g., chatbots copilot’s self-service portals using Nextjs React and TypeScript, • Build and maintain backend services and APIs to support agentic workflows primarily using Python

Core Experience • 5 years of experience in software development or IT automation with a proven track record of delivering robust solutions, • Experience working within Agile development methodologies and utilizing project management tools eg JIRA, • Proficiency with CICD practices and tools eg Tekton GitHub Actions, • Experience with containerization and orchestration technologies eg Docker Kubernetes As a Full Stack Engineer you will design develop and maintain intuitive user interfaces and robust backend services You’ll work with modern frontend frameworks and MongoDB to deliver seamless high-performance web applications Key Responsibilities • Develop intuitive frontend applications using Nextjs React and TypeScript, • Design and implement backend services and APIs with a focus on MongoDB for data storage and management, • Build and maintain high-performance RESTful or GraphQL APIs, • Integrate frontend and backend components to deliver end-to-end solutions, • Ensure solutions are scalable reliable and secure, • Collaborate with UIUX designers to deliver user centric features, • Strong expertise in Nextjs React and TypeScript for frontend development, • Solid experience with MongoDB and server side logic, • Experience developing designing or integrating frontend application entry points eg dashboards portals, • Develop and maintain scalable reliable and secure solutions, • Collaborate with cross functional teams to identify and prioritize high impact opportunities, • Document design workflows security considerations and lifecycle management processes, • Embed security first principles into every workflow to ensure compliance and protection of corporate assets, • Monitor performance impact and coverage using data to drive continuous improvement Mandatory Skills : MongoDB, React, NextJS

About Us:- Net2Source Inc. is one of the fastest growing diversities certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia, and Middle East. About the Role: Job Title – Full Stack Engineer Location – Belfast, UK Mode of Work – Onsite 5 Days in a Week Type of Hiring – Permanent / FTE Skills Mandatory Skills : MongoDB, React, NextJS Core Experience: • 5 years of experience in software development or IT automation with a proven track record of delivering robust solutions, • Experience working within Agile development methodologies and utilizing project management tools e.g., JIRA, • Proficiency with CICD practices and tools e.g., Tekton GitHub Actions, • Experience with containerization and orchestration technologies e.g., Docker Kubernetes, • Solid understanding and practical experience with code versioning tools including GitHub Enterprise Role Overview: As a Full Stack Engineer you will design develop and maintain intuitive user interfaces and robust backend services Youll work with modern frontend frameworks and MongoDB to deliver seamless high-performance web applications Technical Skills • Strong expertise in Nextjs React and TypeScript for frontend development, • Solid experience with MongoDB and server-side logic, • Experience developing designing or integrating frontend application entry points e.g., dashboards portals, • Familiarity with RESTful and GraphQL API design and implementation Key Responsibilities • Develop intuitive frontend applications using Nextjs React and TypeScript, • Design and implement backend services and APIs with a focus on MongoDB for data storage and management, • Build and maintain high-performance RESTful or GraphQL APIs, • Integrate frontend and backend components to deliver end-to-end solutions, • Ensure solutions are scalable reliable and secure, • Collaborate with UIUX designers to deliver user centric features, • Participate in code reviews and contribute to continuous improvement General Responsibilities • Develop and maintain scalable reliable and secure solutions, • Collaborate with cross functional teams to identify and prioritize high impact opportunities, • Document design workflows security considerations and lifecycle management processes, • Embed security first principles into every workflow to ensure compliance and protection of corporate assets, • Monitor performance impact and coverage using data to drive continuous improvement, • Education bachelor’s degree in computer science engineering or a related field master’s degree is a plus

Java Software Engineer – Multiple Roles (Junior to Senior) Want to work with one of Northern Ireland’s fastest-growing tech companies? Looking for a team where your input genuinely shapes the architecture and direction of projects? How about working on greenfield builds using the latest Java and cloud technologies every day? The Role You’ll be developing high-quality, scalable Java solutions as part of a small, talented engineering team. From day one, you’ll be hands-on — writing clean, testable code, designing APIs, and contributing to technical decisions that make a real impact. This is a collaborative environment where engineers are trusted to deliver, experiment, and grow. What’s In It For You? • Negotiable salaries (depending on experience — typically £35k–£65k), • Hybrid working (2 days in office), • All certifications and training covered — continual learning is encouraged, • A genuine focus on work-life balance, • A tight-knit team of engineers who love what they do and push each other to be better Technical Skills Strong Java experience (2+ years) • Hands-on with Spring Boot and Microservices Architecture, • Experience across 3 or more of the following: AWS services (EC2, RDS, S3, EKS, CloudFront, etc.) • Works well independently and as part of a close team Nice to have: Experience with CI/CD, Kafka, ELK stack, NoSQL, Spring Security, OAuth2, or front-end tech (React, React Native). About You You’re the kind of developer who: • Loves solving complex problems and takes ownership of outcomes, • Wants to work on impactful projects with modern tools and methods, • Is passionate about learning and mentoring others, • Isn’t afraid to share ideas, challenge norms, and help shape best practices What’s It Like to Work Here? The team has one of the best retention rates in Belfast — and for good reason. You’ll have autonomy, trust, and the freedom to get things done your way. They’re serious about technical excellence, but they don’t take themselves too seriously — expect a collaborative culture, exciting projects, and a supportive environment where everyone’s contribution matters. Colin has been recruiting within the NI Tech scene for 6 years, successfully helping countless IT professionals find their next move. If you’d like to chat about this role — or just want some advice on your next career step — get in touch.

Senior React Engineer (Cloud-Native Web Applications) Do you enjoy bringing complex product ideas to life through beautifully engineered front-end systems? Are you passionate about delivering high-performance applications that leverage cloud-native architectures end to end? My client is seeking a Se

Senior Full-Stack Engineer / Tech Lead Location: Belfast / Hybrid Type: Permanent Salary: Competitive Reporting to: Head of Engineering Overview We're searching for an experienced Senior Software Engineer who can operate across the full stack, lead small engineering teams, and shape the technical direction of new and existing products. This is an opportunity to work on high-impact, customer-facing platforms using modern JavaScript frameworks, cloud-native architectures and event-driven APIs. You'll work closely with product, design and engineering leadership to deliver scalable features, drive engineering best practice and support the growth of junior engineers. If you enjoy turning ambiguous ideas into technical solutions, shipping quickly without compromising quality, and influencing both architecture and delivery, this role is for you. What You'll Be Doing * Leading and delivering full-stack features using TypeScript, Node.js and Java/Spring Boot * Designing and building scalable backend services, APIs and integrations * Working closely with Product and UX to scope features, refine requirements and contribute to roadmap direction * Owning the software delivery lifecycle from planning through QA, release and iteration * Implementing CI/CD pipelines and automating deployment workflows using GitHub Actions, Docker, Kubernetes and AWS * Coaching and mentoring junior and mid-level engineers, supporting their growth and improving delivery velocity * Providing technical leadership in architecture discussions and cross-team collaboration * Producing demos, documentation and updates to keep stakeholders aligned and informed * Helping establish engineering standards, rituals and best practices across the wider technology team What You'll Bring * 7+ years full-stack development experience across React, Node.js, TypeScript and Java * Strong cloud and infrastructure knowledge: AWS (EC2, ECS, S3, Lambdas), Kubernetes, Docker * Experience building modern CI/CD pipelines and automated test frameworks (Jenkins, GitHub Actions, Playwright) * Proven ability to lead engineering teams, own delivery and navigate ambiguity * A product mindset , able to translate business goals into clear technical plans and articulate trade-offs * Experience working in startups, scale-ups or greenfield environments * Knowledge of relational databases such as PostgreSQL, with additional exposure to MongoDB an advantage * Strong communication skills and confidence presenting technical work to internal and external stakeholders * A passion for clean, maintainable code and scalable architecture * Exposure to Golang or Python beneficial but not required Nice to Have * Experience in highly distributed systems or event-driven architectures * Prior involvement in platform engineering or developer tooling * Experience integrating with third-party services or building internal SDKs Why Join Us * High ownership role with influence over technical direction * Opportunity to lead greenfield product development * A collaborative, product-first culture where engineering and delivery move quickly * Career growth into Tech Lead / Staff Engineer path * Competitive salary and benefits How to Apply If you're 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

React Developer needed to join the world's newest IoT company Are you a React/TypeScript developer looking for a new challenge? Do you want to work with some of the brightest minds in Northern Ireland? Want to work on true greenfield projects that nobody has done before? The Role In this hands-on ro

Looking for a permanent, rewarding role in Belfast City Centre that fits around your life and saves you money? We're hiring Financial Services Contact Centre Agents to join our supportive, fast paced customer service team. Join us as a Customer Service Advisor. You will provide a proactive and react

Familiarity with build tooling such as Vite Strong understanding of HTML5, CSS Interested? Skills: PHP vuejs react Javascript Wordpress Benefits: Work From Home.

Principal React Engineer Hybrid NI based (2-3 days onsite in either their Belfast or Derry offices) Up to £100,000 salary Were working with a forward thinking, award winning software first organisation that builds modern cloud platforms used by major brands across food, retail and supply chain.Thei

Are you a Front-End Engineer who thrives on crafting seamless user experiences? Do you want to work with modern frameworks and help shape the future of a fast-growing product team? My client is seeking a Senior Front-End Engineer with strong expertise in React to join their collaborative engineering

Youll work across a modern TypeScript ecosystem with React, Node and cloud native architectures, leading complex feature development and collaborating closely with principal engineers, architects and product leaders. Their UK engineering team is expanding, and theyre searching for a Principal TypeSc

As Head of Web, you’ll be the technical owner of our web platform - setting the direction for front‑end architecture, guiding best practices, and leading by example with high‑quality code. We’ve just closed a $12million Series A fundraise and we’re now hiring our Head of Web, a senior engi

Senior React Engineer (Cloud‑Native Web Applications).Do you enjoy bringing complex product ideas to life through beautifully engineered front-end systems?.Are you passionate about delivering high-performance applications that leverage cloud-native architectures end to end?.You will work on highly

A leading financial services firm in Belfast is seeking a Senior Software Engineer to join their Agile team.This role involves building scalable web interfaces using React and Typescript, while collaborating cross-functionally to deliver critical software solutions.The ideal candidate has extensive

I am excited to partner with a company based in Belfast that specializes in internal product development. I value a passion for working in a collaborative environment. Experience in an agile environment is essential.

Candidates should have over five years of experience in software engineering, proficiency in React and TypeScript, and a commitment to building reliable, user-focused applications.

A leading tech firm in Belfast is seeking a Senior React Engineer to develop modern, scalable front-end applications integrated with cloud platforms.This role involves building large-scale React applications, creating reusable UI components, and implementing CI/CD practices.Candidates should have ov

JavaScript Developer, Contractor, Full-stack | NodeJS, TypeScript, React, AWS | Disruptive Start-up, B2C | Rate c/ £500/day (Outside) | 6-months | UK remote or London Hybrid.

Full Stack Developer (React, Next. Full Stack Developer (React, Next. A Full Stack React, Golang Developer is needed for an exciting long-term contract engagement with a high-growth digital consultancy who partner closely with some of the UK’s most innovative product-led organisations.

Strong experience building production web applications using React. React Query (or similar async state tools). React + TypeScript (must-have).

Whats In It For You? Negotiable salaries (depending on experience - typically £35k-£65k) * Hybrid working (2 days in the office) * Certifications and training fully supported * A genuine focus on work-life balance * A collaborative team that values creativity, autonomy, and technical excellence Te

Essential Criteria 4+ years experience working with Java or React 2+ years hands-on experience with Spring Boot (For the Java role) Proven experience working with Microservices Architecture. Skills: Java Devops Spinrgboot AWS react javascript. VANRATH are proud to be working with a leading digital p

What you will do Lead the design and development of features across web and mobile applications Partner with product, engineers, and customers to refine requirements and shape solutions Write clean, well tested, maintainable code and help evolve engineering best practice Review pull requests, provid

A music and media workflow company is looking for a Senior Full Stack Engineer to lead the design and implementation of scalable architectures and APIs.Candidates should have over 7 years of engineering experience, expertise in Python and Django, and be able to work collaboratively across teams.The

The ideal candidate is comfortable working across the entire stack — building intuitive, high-quality frontend interfaces while developing secure and performant backend services and APIs.This role includes working with.DevOps and frontend engineers to deliver production-ready features within a tig

Ruby, Ruby on Rails, React are key languages for their current stack but Polyglot Engineers are also welcome. SaaS product development using Ruby on Rails, React, TypeScript, AWS. A hands-on background – Senior Engineer, Lead Engineer, Tech lead level within a Ruby, TypeScript, React, AWS or simil

The ideal candidate has over 5 years of software development experience, particularly with Typescript and React, and is skilled in creating real-time applications.

A leading sports tech company in the UK seeks a Senior Software Engineer with expertise in Ruby on Rails and React.