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Principal React Engineer - £100 - 120k The Role This may be the best role of its kind this year. The feedback from the candidates placed within the team has been stellar. This is a frontend leadership position for someone who wants to own architecture, influence product direction, and raise the bar across engineering teams. You’ll take control of a large-scale React ecosystem, drive best practice, and build experiences that actually matter to users. Why This Role? You’ll be stepping into a high-impact position where your decisions shape how frontend is done across the business. • Own the frontend vision and architecture, • Work closely with Product, UX, and Backend teams, • Influence long-term technical strategy What You’ll Be Doing • Lead and define frontend architecture and standards, • Drive React + TypeScript across multiple teams, • Build and scale component libraries and design systems, • Partner with Product & UX to deliver clean, intuitive interfaces, • Mentor engineers and elevate overall team capability, • Improve performance, accessibility, and maintainability, • Work closely with backend teams on API integration, • Champion modern tooling, testing, and CI/CD practices, • Strong commercial experience with React and TypeScript, • Proven track record of frontend leadership at scale, • Deep understanding of state management, performance, and UI architecture, • Experience building or working with design systems (Storybook etc.), • Solid knowledge of testing (Jest, RTL, Cypress), • Passion for mentoring and developing engineers, • Comfortable operating in cross-functional teams, • Backend or full stack exposure, • Cloud experience (ideally AWS), • Experience in data-heavy or complex product environments This is a chance to step into a true Principal role Not just a title,real ownership, real influence, real impact. Interested? Reach out to Ryan Quinn on LinkedIn for a confidential chat. This may be one of the very few roles in 2026 at this level. This role will close out quickly, please reach out to me on LinkedIN directly if you want to apply today. Thanks.

Staff Software Engineer (Ruby on Rails) Overview We are partnering with a high-growth technology organisation investing heavily in its product platform, supporting complex and mission-critical workflows at scale. As part of this growth, the company is hiring a Staff Software Engineer to act as a technical leader across a suite of backend-heavy products. This is a high-impact role focused on improving system scalability, reliability and long-term architecture within a complex product environment. The Role As a Staff Engineer, you will take ownership of backend architecture and system design across Ruby on Rails services, while contributing to frontend systems where required. You will work closely with Product, Platform and SRE teams to deliver scalable solutions, improve system health and ensure engineering best practices are consistently applied across the organisation. Responsibilities Act as a Staff-level technical leader across multiple product teams Drive backend architecture and system design within Ruby on Rails applications Lead scalability, performance and reliability initiatives from design through to production Improve system health by addressing legacy complexity, technical debt and architectural gaps Serve as a go-to technical expert for complex system and domain challenges Collaborate with Product to translate business workflows into scalable technical solutions Partner with Platform and SRE teams to improve observability, reliability and operational standards Elevate engineering standards through mentoring, design reviews and knowledge sharing What We're Looking For Must Have 8-10+ years of professional software engineering experience Strong experience with Ruby on Rails in production environments Deep understanding of backend systems, APIs and service architecture Strong experience working with relational databases (PostgreSQL preferred) Proven experience working within complex or legacy product environments Ability to influence technical direction beyond individual contributions Strong ownership mindset across design, delivery and production support Excellent collaboration skills across engineering, product and platform teams Clear communicator with the ability to drive alignment across stakeholders Nice to Have Experience with modern JavaScript frameworks (React preferred) Exposure to data-heavy systems or analytics platforms Experience with AWS or cloud-native environments Familiarity with DevOps, CI/CD and SRE practices Experience working in regulated or operationally complex domains Technology Environment The platform is built on a modern, cloud-native stack including: Ruby on Rails PostgreSQL AWS RESTful APIs and distributed services Modern JavaScript frameworks (React) CI/CD pipelines and observability tooling What Success Looks Like Delivering scalable, reliable backend systems in a complex domain Driving measurable improvements in performance and system health Elevating engineering standards and best practices across teams Acting as a trusted technical leader across product and engineering Who Thrives in This Role You are a Staff Engineer who leads through influence, not hierarchy. You enjoy working in complex systems, solving difficult problems and leaving things better than you found them. You are comfortable navigating ambiguity, particularly in evolving product environments, and you take pride in building systems that are robust, scalable and genuinely valuable to users. Interested? For a confidential discussion, reach out to Ryan Quinn on LinkedIn. Skills: Ruby AWS Cloud React Benefits: Bonus

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 Senior React Engineer to develop modern, scalable front-end applications tightly integrated with their cloud platform. You will work on highly interactive experiences where performance, reliability, and clean architecture are essential. Key Responsibilities Build and maintain large-scale React applications using modern tooling. Create reusable UI components and optimise rendering performance. Integrate front-end applications with cloud-native backends and APIs. Contribute to architectural decision-making for distributed, cloud-first solutions. Implement CI/CD best practices and automated testing pipelines. Work closely with Product, UX, and Cloud Engineering teams. Required Experience 5+ years of professional front-end development experience. Deep expertise in React, Hooks, TypeScript, and modern state management. Essential experience deploying and integrating applications on AWS, GCP, or Azure. Strong understanding of cloud-native patterns (serverless, microservices, managed services). Hands-on experience with CI/CD, Docker, and modern build systems. Desirable Experience with performance profiling and frontend observability tools. Familiarity with GraphQL and real-time data (WebSockets, SSE). If you have any further questions on the role, please feel free to reach out to Brendan McCrory directly. Benefits: Work From Home

Backend Software Engineer Python Location: UK Remote Engagement: Permanent Interview Process: Single stage technical interview The Opportunity OCHO is partnering with a growing product led engineering organisation building high throughput systems that sit at the core of real world field operations. This role is ideal for backend engineers who enjoy working deeply in Python and care about system design, data flow, and performance. You will help design and evolve backend services where reliability, scalability, and operational clarity matter. The team values clean architecture, thoughtful problem solving, and engineers who want real ownership over how systems are built and improved. What You Will Be Doing Design and develop backend services in Python to support large scale operational workflows. Work closely with product teams to break down complex requirements and shape technical solutions. Build and maintain well structured APIs, data pipelines, and service integrations. Contribute to architectural decisions and the ongoing evolution of the backend platform. Improve system reliability through observability, automated testing, and performance optimisation. Collaborate with frontend, mobile, and data teams as part of a cross functional product group. What You Will Bring Strong professional experience building backend systems using Python. Experience with modern Python frameworks such as FastAPI, Flask, or Django. A solid understanding of API design, data modelling, and distributed systems. Experience working with relational databases and optimising query performance. Ability to reason about system behaviour under real operational load. Confidence contributing to code reviews, system design discussions, and technical direction. A mindset focused on craftsmanship, clarity, and ownership. Why This Role This is an opportunity to work on meaningful Python backend challenges where your design decisions directly affect system reliability and user experience. You will join a team that values good engineering, encourages learning, and trusts engineers to own their work. The interview process is intentionally straightforward. A single technical interview focused on system design and practical problem solving. Interested For a confidential conversation, reach out directly to Ryan Quinn on LinkedIn. Skills: Python Java AWS Event Driven Cloud Native

Senior Golang Developer About Our Client Our client is a forward-thinking technology company delivering scalable, reliable, and high-performance software solutions in a competitive digital marketplace. They prioritize innovation, quality, and collaboration across teams to drive business impact. The Role As a Senior Golang Developer, you will be responsible for designing, building, and maintaining backend services and microservices using Go. You will work closely with product owners, frontend engineers, and other backend developers to deliver robust and efficient systems. How do you ensure clean, modular code that remains scalable as the system grows? This role requires a seasoned engineer passionate about technical excellence, scalability, and mentoring team members. Key Responsibilities Develop, test, and maintain backend services and microservices in Go, ensuring high code quality. Collaborate with cross-functional teams to gather requirements, design solutions, and implement features. Conduct thorough code reviews to enforce standards and best practices. Optimize applications for performance, scalability, and reliability in production environments. Drive continuous improvement in development processes, tooling, and automation. Mentor junior and mid-level engineers, fostering a culture of knowledge sharing and innovation. Maintain comprehensive technical documentation. About You 5+ years of professional experience with Golang development or 7+ years in backend development with at least 3 years focused on Go. Deep understanding of Go language features, concurrency model, and idiomatic patterns. Experience with microservices architectures, containerization (Docker, Kubernetes), and cloud services (AWS, GCP, Azure). Strong knowledge of databases (SQL and NoSQL) and distributed systems concepts. Familiarity with CI/CD pipelines, automated testing, and monitoring systems. Comfortable working in agile environments with excellent communication skills. Passionate about mentoring, team collaboration, and keeping up with technological advancements. Why Join Be instrumental in building cutting-edge software products with global reach. Join a collaborative and growth-driven engineering culture with a strong mentorship focus. Enjoy flexible working conditions and opportunities for continuous learning. Competitive salary and benefits aligned with your skills and experience. If you have any further questions or want to hear more about the role, simply apply or contact Brendan McCrory directly on LinkedIn or WhatsApp.

Lead UI / React Data Visualisation Engineer Location: UK / HybridSalary: Competitive + Excellent BenefitsEmployer: Global Technology Organisation Are you a Lead‑level UI Engineer with exceptional React and frontend architecture skills?Do you want to design and build visual experiences used

Lead UI / React Data Visualisation Engineer.Location: UK / HybridSalary: Competitive + Excellent BenefitsEmployer: Global Technology Organisation.Are you a Lead-level UI Engineer with exceptional React and frontend architecture skills?Do you want to design and build visual experiences used by 50,000

Are you the kind of engineer who doesn't just build frontends, but defines how they should be built at scale? My client is looking for a Lead Front End Engineer to take ownership of a modern, high-impact web platform, shaping both the technical direction and engineering standards across the frontend function. This is a hands-on leadership role where you'll combine deep React expertise with architectural thinking and team mentorship, working closely with product, design, and backend teams in a cloud-native environment. The Role You will take the lead on frontend architecture and delivery, ensuring the platform is scalable, performant, and maintainable as the product continues to grow. You'll be responsible for setting direction, making key technical decisions, and raising the bar across the team. Key Responsibilities Own the frontend architecture across a React-based platform Lead the design and development of high-quality, scalable UI systems Define and enforce engineering standards, best practices, and patterns Collaborate with backend teams to integrate with AWS-based services and APIs Drive performance optimisation, accessibility, and user experience improvements Mentor and support engineers, providing technical leadership and guidance Work closely with product and design to translate requirements into robust technical solutions Contribute to CI/CD pipelines and deployment strategies in a cloud environment Required Experience Strong experience with React and modern JavaScript/TypeScript ecosystems Proven experience in a Lead or Senior Front End role with ownership of systems Experience designing and building scalable frontend architectures Solid understanding of API integration and distributed systems Experience working with AWS (e.g. API Gateway, Lambda, S3, CloudFront) Strong knowledge of performance optimisation, state management, and testing strategies Experience mentoring engineers and influencing technical direction Desirable Experience with or server-side rendering Exposure to micro-frontends or design systems Knowledge of CI/CD pipelines and DevOps practices Experience working in high-growth or product-led environments Why Join? Opportunity to own and shape the frontend strategy Work on a modern, cloud-native stack High level of autonomy and technical influence Collaborative, engineering-driven culture Real impact on a scaling product and user experience If you have any further questions on the role, please feel free to reach out to Brendan McCrory directly. Benefits: Work From Home

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

As their platform continues to scale, they're looking to hire a Senior Software Engineer with strong Node. React, and AWS experience to join their growing engineering team. This is a hands-on engineering role where you'll work across both backend and frontend, delivering high-quality features in a s

Frontend Software Engineer | React, TypeScript | Belfast (Hybrid 3 Days) Location: Belfast Type: Permanent About the Opportunity: This role sits within a dedicated frontend engineering team building high-performance user interfaces for a modern, cloud-native platform. The team operates with full ownership of the UI layer, focusing on performance, scalability, and clean architectural design. You will work on complex, data-driven interfaces, contributing to both new feature development and continuous improvement of existing systems. What Youll Be Doing: Design, build, and maintain frontend applications using React and TypeScript Own frontend components end-to-end from design through to deployment Contribute to frontend architecture and technical decision-making Define and integrate API schemas in collaboration with backend teams Improve performance, scalability, and stability of UI components Conduct code and design reviews to maintain high engineering standards Collaborate with product and design teams to deliver high-quality user experiences Contribute to CI/CD pipelines and frontend delivery processes What Youll Bring: 3+ years commercial experience in frontend engineering Strong experience with React and TypeScript Experience building scalable, production-grade UI systems Understanding of API design and integration Experience working within CI/CD environments Strong problem-solving skills and attention to detail Ability to contribute to architectural decisions Strong communication and collaboration skills Why Join: Pure frontend role with full ownership of the UI layer Opportunity to work on complex, high-performance interfaces Strong engineering culture with focus on quality and design Collaborative, product-led environment Hybrid working model based in Belfast If you're interested or have any further questions on the role, please feel free to reach out to Eve Geddis directly on LinkedIn. Skills: React Typescript WebGl Benefits: Pension Fund Medical Aid / Health Care

Senior React Engineer (Remote - Northern Ireland) About the Role We are seeking a Senior React Engineer to join our growing engineering team. This is a fully remote position, open to candidates based in Northern Ireland, where you will play a key role in designing and building modern, scalable web applications. You will work closely with product managers, designers, and backend engineers to deliver high-quality user experiences while helping shape the technical direction of our frontend architecture. This role is ideal for an experienced engineer who enjoys owning features end-to-end, mentoring other developers, and building performant applications using modern frameworks and cloud technologies. Key Responsibilities Design, build, and maintain modern web applications using React Develop scalable and maintainable frontend architectures Work closely with backend teams to integrate APIs and services Build performant and responsive UI components with strong attention to user experience Contribute to technical design discussions and architectural decisions Ensure code quality through testing, reviews, and best practices Mentor junior developers and contribute to improving engineering standards Collaborate with product and design teams to deliver high-impact features Participate in agile development processes and sprint planning Required Skills & Experience 5+ years professional software engineering experience Strong expertise in React, TypeScript, and modern JavaScript Experience building production-scale frontend applications Proven experience developing applications deployed on AWS Strong understanding of RESTful APIs and frontend integration Experience with state management frameworks (Redux, Zustand, Context API, etc.) Solid understanding of performance optimisation and accessibility Familiarity with CI/CD pipelines and modern development workflows Experience with Git and collaborative code review practices Desirable Experience Experience with or server-side rendering Experience working with microservices architectures Knowledge of AWS services such as Lambda, S3, API Gateway, CloudFront Experience with automated testing frameworks (Jest, React Testing Library, Cypress) Exposure to infrastructure-as-code or DevOps practices Requirements Must be based in Northern Ireland Must have the right to work in the UK Comfortable working in a fully remote engineering team What We Offer Fully remote working Competitive salary Opportunity to work on modern cloud-based platforms Collaborative and supportive engineering culture Professional development and learning opportunities Flexible working environment Benefits: Work From Home

Full Stack Software Engineers ( 10 Roles ) Overview We are working with a rapidly growing technology organisation that is scaling its engineering team in Northern Ireland. The company is investing heavily in its product platform and is hiring several Full Stack Software Engineers to help design and build the next generation of cloud-native software products. Engineers will join cross-functional teams working on complex, distributed systems and large scale data platforms. The environment is highly collaborative, with engineers working closely with product managers, designers and other engineers to take ideas from concept through to delivery. This is an opportunity to work on technically challenging problems while contributing to a platform that supports real world operational workflows at scale. The Role As a Full Stack Software Engineer, you will contribute to the design, development and delivery of platform capabilities across a large scale cloud based product ecosystem. You will work across both backend services and modern frontend applications, helping to build reliable, scalable systems that deliver meaningful value to users. Engineers are encouraged to take ownership of features and services, contribute to architectural discussions and support the continuous improvement of engineering practices across the organisation. Responsibilities Design, build and deliver scalable software across backend and frontend systems Develop reliable and scalable APIs and services Build modern user interfaces using contemporary frontend frameworks Collaborate with Product Managers, Designers and Engineers to take ideas from concept to delivery Contribute to technical discussions around system design and architecture Ensure high quality code through testing, observability and monitoring Support and mentor other engineers across the team Contribute to engineering culture and continuous improvement initiatives What We're Looking For Approximately 7+ years of experience building production software Strong experience designing scalable APIs and backend services Experience working on SaaS or large scale product platforms Solid understanding of distributed systems and cloud environments Experience working within Agile product teams Strong collaboration and communication skills Experience working with distributed or global engineering teams Technology Stack The engineering environment includes a modern cloud-native stack such as: Python TypeScript React AWS Kubernetes Kafka PostgreSQL DynamoDB Kinesis Engineers are not required to have experience in every technology listed, but should be comfortable learning and working across a modern distributed stack. Benefits The organisation offers a comprehensive benefits package including: Private Medical Insurance Private Dental Insurance Pension matched up to 10% Life Assurance (5x salary) Income Protection Employee Assistance Programme Flexible working Training and conference budgets Interested? For more information or a confidential discussion, reach out to Ryan Quinn on LinkedIn. We have an array of testimonials from Engineers that we have already successfully placed with this client. Feel free to reach out for a confidential conversation around the benefits and what to expect at interview. Skills: Python AWS React TypeScript Event Driven Benefits: Work From Home pension + options

We are growing our App services team and are hiring a Frontend Engineer to join our team in Belfast! This team is responsible for building the mobile and web applications that people use regularly to access their earned wages before payday with zero/minimum fees, save for the future, and improve the

A leading technology provider is seeking a Front End Software Engineer to join their team in Belfast.

Ability and desire to work with various technologies across multiple projects, including React, TypeScript, Python, AWS, and Tailwind.

A technology solutions firm is seeking a Senior React Engineer to develop scalable cloud-native front-end applications. The role involves building high-performance React applications, optimizing UI components, and integrating with backends. The ideal candidate will have over 5 years of experience wi

The ideal candidate will have over 2 years of experience in JavaScript and TypeScript, focusing on creating quality React Native and React applications.

A leading software development company in Northern Ireland is looking for a talented web developer to design, develop, and maintain user interfaces using React and TypeScript.

A leading financial markets provider in Northern Ireland is seeking a Senior Software Engineer to shape digital platforms.

A cloud security technology company is seeking an experienced Frontend Engineer to join their team.

A financial technology company based in Belfast is seeking a Front End Engineer to build intuitive, responsive applications aimed at helping customers monitor and mitigate financial crime.The ideal candidate will have experience with front-end technologies such as React and Next.You'll be part of a

A notable technology company in Belfast is seeking a Lead Front End Engineer to shape and own the frontend strategy for a modern, cloud-native platform.This hands-on leadership role combines deep expertise in React with team mentorship, focusing on high-quality UI systems and engineering standards.T

A leading technology solutions provider in Belfast is seeking a Front End Engineer to develop an intuitive and responsive product. The role emphasizes collaboration with a talented team to solve complex frontend challenges using modern technologies like React and Next.

Are you the kind of engineer who doesn't just build frontends, but. You will take the lead on frontend architecture and delivery, ensuring the platform is. Collaborate with backend teams to integrate with.

Your day to day: Front End Engineer. You will work on complex frontend challenges with huge sets of data and work on exciting scalability and machine learning challenges. Front-End languages such as React and Next.

A global financial services company in Belfast is seeking a Senior Frontend Engineer to lead the development of its next-generation Developer Platform.

A fast-growing digital consultancy is seeking a Lead UI Engineer to drive front-end delivery on client projects and internal products. The role includes hands-on engineering with React and Next. The ideal candidate will have a degree in Computer Science, experience in front-end engineering, and stro

Hands-on experience with tools such as LangChain, LangGraph, Vercel AI SDK, Google ADK (Agent Development Kit). Youll collaborate closely with AI, Software Engineers and the Product team to leverage bleeding-edge Generative AI. Maintained consistent interactions with Engineering Leads across CTO t

A growing engineering team in Belfast is looking for Principal and Senior Frontend Engineers to develop high-performance applications.

A major global financial services firm is seeking a talented Lead Frontend Developer with deep expertise in ReactJS.

We are looking for an experienced Frontend Engineer to join our exceptional Frontend Engineering team. Frontend Engineering using React over TypeScript. The team tackles complex engineering challenges daily, both solving new problems and continuously enhancing existing solutions.

A leading financial technology firm in Northern Ireland is seeking a Senior Frontend Engineer skilled in React and TypeScript. You will lead the development of a next-generation Developer Platform, creating advanced UI applications and collaborating closely with product and engineering teams.

A leading cybersecurity firm is seeking a talented Front-End Developer to join its Innovation & Enablement team.The ideal candidate will have strong experience in TypeScript and CSS and proficiency in a modern reactivity framework like Vue or React.Responsibilities include designing user interfaces,

Joining a cross-functional product squad with a mix of frontend engineers, designers, UX writers, backend engineers, data analysts and others to develop features that improve our users’ financial health. We’re looking for a brilliant Frontend React/React Native Engineer with an eye for UI/UX des

The role involves designing and implementing user-friendly interfaces, collaborating with designers and engineers, and modernising legacy applications.

Veeva Link seeks a senior level Front End Engineer (React) to participate in architecting and developing innovative web applications.

A leading insurance provider in Northern Ireland seeks a passionate Product Engineer to join their global engineering team. You will develop customer-facing experiences utilized by millions and mentor others in frontend practices.

A leading financial services provider in the UK is seeking a Senior Frontend Developer to join their innovative team in Belfast. Ideal candidates will have a strong foundation in frontend technologies and a collaborative mindset.

A leading technology company is seeking a Frontend Developer to enhance AI systems through frontend engineering.

A leading technology firm in the United Kingdom is seeking a frontend developer to build the interface where Growth OS meets its users. The ideal candidate has over 3 years of experience in frontend development, particularly with data-heavy applications.

As a Frontend Engineer on the Growth Insights team, you will be the driving force behind our analytics tracking, attribution models, and event data governance. We collaborate closely with Engineering, Product, Marketing, and Data teams to audit, enhance, and streamline event tracking, improve attrib

Our engineering approach emphasizes clear product definitions leading to meticulous technical designs. Engineers here tackle complex data modeling, entity resolution, and advanced machine learning. We engineer workflow applications powered by our data, using AI to find patterns and route information

A leading global marketplace for luxury fashion is seeking a Front End Engineer to join its SEO team. This role bridges Engineering and Growth Marketing, focusing on building and optimizing front-end solutions to enhance organic visibility and performance.

A leading global financial institution is seeking a Senior Frontend Engineer in Belfast, UK. Responsibilities include leading the development of user interfaces for a Developer Productivity platform and collaborating with AI engineers.

A leading Swiss meeting management solution is seeking a Senior Growth Engineer to design and optimize product growth strategies.

Create amazing interactions and visualizationsWork closely with our Back-end engineers and our UI designers.

A dynamic tech company in Greater London is seeking an experienced Frontend Developer with expertise in Angular. You will impact the frontend architecture and work closely with the Lead Developer on exciting projects, including AI integration.