5 senior software engineer jobs found

Senior Backend Engineer - Node.js/TypeScript 12-Month Contract | Fully Remote | Outside IR35 We're looking for a Senior Backend Engineer to join an exciting fintech business, working on highly scalable, mission-critical financial systems. The role is heavily focused on Node.js, TypeScript and AWS , with genuine ownership across the full lifecycle — from system design and architecture through to development, release and production support. You'll have the opportunity to work on new products and capabilities from an early stage , making key technical decisions and helping shape how the platform evolves. What you'll be working on Design, build and operate reliable, scalable Back End services Own areas of the platform, including architecture and technical direction Build resilient APIs and distributed systems within a regulated financial environment Work with AWS serverless technologies , including Lambda, SQS, EventBridge and API Gateway Work with MongoDB and...

Senior React/Node.JS engineer + LLM's - 6 month contract - £500-£600 per day Greenfield application Company Description Working with a highly successful fintech company specialising in global payments on a greenfield application. Role Description We are seeking a Senior React/Node.JS Engineer with experience building with LLMs. This is a fully remote role which can be based across Europe,.The position entails developing, maintaining, and optimizing web applications using Angular and Node.JS technologies, collaborating with cross-functional teams, and ensuring code quality through best practices. The successful candidate will play a crucial role in designing and implementing scalable payment solutions aligned with business requirements. Qualifications Strong proficiency in React and Node.JS frameworks Strong proficiency with Typescript Strong experience building with LLM's and Data modelling Proficiency in front-end technologies like HTML, CSS, and...

Senior Backend Engineer (Java) One of the world’s leading ecommerce travel platforms are hiring for a Senior Backend Engineer. Role Overview We are looking for a Senior Backend Engineer to design, build, and evolve scalable, reliable, and high-performance backend services. This role is suited for engineers who can quickly understand complex distributed systems, make sound technical decisions, lead implementation of large initiatives, and consistently deliver production-ready software with minimal supervision. In addition to hands-on development, you will help drive technical excellence through architecture, code quality, and mentoring. Able to become productive within the first few weeks. Comfortable working in large, existing codebases. Strong engineering fundamentals and pragmatic decision making. Excellent debugging and problem-solving skills. Clear written and verbal communication. Advanced Claude and Codex usage. Reliable delivery with minimal...

Senior Backend Engineer (Java) One of the world's leading E-commerce travel platforms are hiring for a Senior Backend Engineer. Role Overview We are looking for a Senior Backend Engineer to design, build, and evolve scalable, reliable, and high-performance Back End services. This role is suited for engineers who can quickly understand complex distributed systems, make sound technical decisions, lead implementation of large initiatives, and consistently deliver production-ready software with minimal supervision. In addition to hands-on development, you will help drive technical excellence through architecture, code quality, and mentoring. Able to become productive within the first few weeks. Comfortable working in large, existing codebases. Strong engineering fundamentals and pragmatic decision making. Excellent debugging and problem-solving skills. Clear written and verbal communication. Advanced Claude and Codex usage. Reliable delivery with minimal supervision....

Overview An exciting opportunity has arisen for a hands-on Front End Lead / Interim Tech Lead to join a growing product engineering team and lead the development of a next-generation SaaS platform built on Microsoft Azure. This role is ideal for a senior engineer who thrives in a fast-paced environment, enjoys building products from the ground up, and wants to remain deeply involved in coding while leading a small team. You'll be responsible for defining front-end engineering standards, implementing AI-assisted development practices, and driving delivery of a modern React-based application. Initially offered as a day-rate contract, there is a genuine intention to transition the successful candidate into a permanent Tech Lead position as the engineering function expands. The Role As Front End Lead, you will take ownership of the front-end architecture and delivery of a new React/TypeScript application, working closely with Product, Platform and Data teams. This is a highly...