Back End Developers - 1,364+ job offers

Code Wizards Group is one of the world's leaders in Game and Esports Tech. We're in a period of growth and looking to bolster our software engineering capabilities. We are on the lookout for experienced Backend Engineers to join our team on a freelance/contract basis. This role focuses on the backen

Senior Software Engineer – London £115,000 – £130,000 + Equity | Hybrid (3 days in office) We’re hiring backend engineers to help build the infrastructure powering a fast-growing AI-driven revenue platform used by modern finance teams. You’ll work on revenue-critical systems that process high-volume

🚀 𝗦𝗲𝗻𝗶𝗼𝗿 𝗕𝗮𝗰𝗸 𝗘𝗻𝗱/𝗗𝗮𝘁𝗮 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 – 𝗔𝘇𝘂𝗿𝗲 🚀 📍 London / Hybrid 💰Outside IR35 - rate depending on exp 📅 April start to September We’re supporting on a build of a specialist Management Information System (MIS) in the Education space and are looking for a Senior Back End

*Company Description** Lexilaabs is a premier software development company dedicated to crafting innovative digital solutions that empower businesses to thrive in a rapidly evolving world. Specializing in both traditional software development and cutting-edge blockchain technologies, the company pro

Introduction At IBM, work is more than a job – it’s a calling: Data storage is at the heart of everything we do in life. From every photo to every financial transaction, data is generated and stored somewhere in the world, be it on a customer’s own premises or in the cloud. The IBM Ceph team at IBM

The Role Build backend services and APIs in Python using Flask Design reliable background jobs and pipelines with Celery and Redis Instrument, monitor, and improve performance and reliability Collaborate on architecture, code reviews, and technical direction Work closely with product and customers C

We're building the infrastructure behind real-time voice interpretation. Our tool lets people speak their own language and be understood instantly, whether in a meeting, a taxi, or a video call. Not word-for-word translation, but real interpretation that preserves tone, meaning, and intent. About us

We're building the infrastructure behind real-time voice interpretation. Our tool lets people speak their own language and be understood instantly, whether in a meeting, a taxi, or a video call. Not word-for-word translation, but real interpretation that preserves tone, meaning, and intent. About us

We're building the infrastructure behind real-time voice interpretation. Our tool lets people speak their own language and be understood instantly, whether in a meeting, a taxi, or a video call. Not word-for-word translation, but real interpretation that preserves tone, meaning, and intent. *About u

*Backend Developer - Laravel, Node.js, Typescript, AWS** *Up to £50,000** *Leeds city centre 3x a week** WRK Digital have partnered with a forward‑thinking digital agency known for delivering high‑quality products for major brands including Microsoft and Xbox. We're looking for an experienced Backen

Software Software Engineer - London (Uxbridge) (Hybrid/2days onsite) - Up to £100K Bonus TogetherWeTech is hiring a Backend Engineer for their progressive Computer Vision (AI) client that focuses on end-to-end security solutions. As a Backend Engineer, it's a great opportunity to play an integral ro

Founding Backend Engineer | PostgreSQL, GCP & Distributed Systems | AI Music Creation Platform Salary: £60,000-£100,000 Location: Victoria, London The Role You’ll join a small founding team building a browser-based platform designed to make creating music as universal as listening. The product a

Application Developer London, UK - Hybrid Contract Must be UK Citizen or who are eligible for BPSS/SC clearances. *Intermediate to advanced practical experience with:** **React** and *TypeScript** **Python** **AWS services** i.e. Athena/Glue, DynamoDB, ECS, S3, Lambda, SQS, Step Function, etc **Auto

Introduction At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK. A career in IBM CIC means you’ll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the

Introduction At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK. A career in IBM CIC means you’ll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the

Introduction At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK. A career in IBM CIC means you’ll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the

Backend Software Developer VC-backed Tech : Node / MongoDB Fully remote in the UK Have you worked for a start-up or scale-up software company? Are you passionate about solving clients' real problems and making a difference in their business? Do you have 5+ years' commercial development experience in

Backend Golang Developer | London | 75k-85k | 3x a week on-site | Are you a Backend Engineer who loves solving complex technical problems and building systems that actually matter? We’re looking for someone who wants to work on high‑availability, secure, global financial infrastructure powering mill

Back End Engineer (Java) Application Deadline: 20 March 2026 Department: Technology Employment Type: Full Time Location: Belfast Reporting To: Stephen McKeown Description Imagine catching criminals before they strike - that’s exactly what Napier’s AI-powered platform does! By analysing transactions

Role: Backend Engineer (ATA) Location: United Kingdom (Remote work) Skills: Java, AWS, Spring Boot, REST APIs,MySQL Job Summary: We are looking for a Backend Engineer to join the Core Portal team and build scalable backend services for an enterprise discovery application. You will design and develop