Central London, London, United Kingdom Hybrid / WFH Options
Halian Technology Limited
for passionate engineers to help us build the future of payments. Role Overview: We are seeking a talented and driven Mid-Level Full Stack Engineer with strong skills in Node.js, React , and AWS cloud infrastructure . Youll play a key role in designing, developing, and maintaining scalable microservices and user interfaces for our core payments platform. Youll work in … a cross-functional agile team alongside product managers, designers, and fellow engineers to deliver features that directly impact our customers and partners. Key Responsibilities: Develop backend microservices using Node.js (Express/Nest.js preferred) Build dynamic, responsive user interfaces with React.js Design and integrate RESTful APIs and third-party services Write unit, integration, and end-to-end tests to ensure … code reviews, sprint planning, and retrospectives Monitor and troubleshoot production systems; respond to incidents when needed Required Skills & Experience: 3+ years of professional software engineering experience Strong proficiency with Node.js and JavaScript/TypeScript Solid experience building frontend applications with React.js Experience with AWS (at least EC2, Lambda, DynamoDB, CloudWatch) Familiarity with containerization (Docker) and infrastructure-as-code (e.g. More ❯
Contract: 6 months Location: Canary Wharf, London Working model: Hybrid - 3 days onsite We're looking for a talented Backend developer with strong Java and Node.js/TypeScript experience to join a dynamic development team within a leading financial services organisation. This role is ideal for someone who enjoys working across both backend development and … infrastructure, collaborating with centralised DevOps teams, and contributing to modern, large-scale financial services platforms. What You'll Do Maintain and enhance scalable back-end applications using Java, Node.js, and TypeScript. Lead the migration of existing Node.js systems into Java to align with bank-wide infrastructure strategy. Work closely with DevOps teams, utilising Docker and Kubernetes for containerisation … tests to ensure high code quality. Collaborate with cross-functional teams to define, design, and deliver new features. What We're Looking For 5+ years' experience as a Java & Node.js/TypeScript developer. Hands-on experience with Docker, Kubernetes, GitHub Actions (CI/CD). Strong knowledge of SQL databases. Proven track record writing unit & integration tests. Strong problem More ❯
We are seeking a talented mid-Level Backend Developer with experience in both Java and Node.js/TypeScript for an exciting 6-month contract role with a global financial services client in Canary Wharf. This position offers a daily rate of £700 via an umbrella company. The Role You will be an integral part of our development … team, with a focus on both backend development and infrastructure-related tasks. A key part of your role will be to refactor an existing codebase from Node.js to Java to align with the bank's infrastructure strategy and address technical debt. You will also be responsible for maintaining existing scalable backend applications. This is a hands-on role where … you will contribute high-quality code and robust software solutions while working with the team to meet tight deadlines. Key responsibilities include: Maintaining existing scalable backend applications using Java, Node.js, and TypeScript. Migrating backend applications to Java to align with the bank's preferred infrastructure. Utilising Docker and Kubernetes for containerisation. Implementing CI/CD pipelines using GitHub Actions. More ❯
We are seeking a talented mid-Level Backend Developer with experience in both Java and Node.js/TypeScript for an exciting 6-month contract role with a global financial services client in Canary Wharf. This position offers a daily rate of £700 via an umbrella company. The Role You will be an integral part of our development … team, with a focus on both backend development and infrastructure-related tasks. A key part of your role will be to refactor an existing codebase from Node.js to Java to align with the bank's infrastructure strategy and address technical debt. You will also be responsible for maintaining existing scalable backend applications. This is a hands-on role where … you will contribute high-quality code and robust software solutions while working with the team to meet tight deadlines. Key responsibilities include: Maintaining existing scalable backend applications using Java, Node.js, and TypeScript. Migrating backend applications to Java to align with the bank's preferred infrastructure. Utilising Docker and Kubernetes for containerisation. Implementing CI/CD pipelines using GitHub Actions. More ❯
