Java Back End Developer - 27,088+ job offers

**High-Growth Civic Tech Company | Mid-Senior level Back-End Engineer | Fully Remote (Preferably Scotland-based) | £55 - 70K + equity*** *About the Company:** We’re partnered with a mission-driven technology company building digital platforms that empower citizens and strengthen democratic participa

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

*About the Team 🚀** Our client is hiring *two Senior Backend Engineers** to join their team, working closely with the CTO during the next phase of growth. It’s an exciting time for the business. Our client has a rapidly growing customer base in a market that’s genuinely excited about their product.

• Job Title: Senior Back End Developer • Salary Range: £90,000 – £110,000 + bonus • Location: London | Hybrid (2–3 days office) Our client is investing heavily in a new digital capability as part of a wider transformation programme, creating a rare opportunity to join at the very start of a greenfie

About the Team 🚀 Our client is hiring two Senior Backend Engineers to join their team, working closely with the CTO during the next phase of growth. It’s an exciting time for the business. Our client has a rapidly growing customer base in a market that’s genuinely excited about their product. They’

BACKEND ENGINEER – LONDON (WATERLOO, HYBRID) KEY POINTS Salary up to £100,000 Hybrid working – 3 days per week in Waterloo, London Python, FastAPI, PostgreSQL, AWS & Docker Building real-time AI solutions within the sports industry ABOUT THE CLIENT We’re supporting a rapidly growing, AI-focused

*Senior Software Developer (Backend / .NET / Azure)** *Overview** Senior Software Developer needed for hands-on backend development, working on data-driven systems, APIs, and cloud services. The role focuses on building new services, re-writing their whole back end system, and designing scalable arc

🚀 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

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

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

Textie AI is an innovative AI platform developed from Czech Republic. We're building cutting-edge language model solutions and need an expert to take our capabilities to the next level. The role You'll be our Back-end and LLM specialist, focused on understanding, optimizing, and training large langu

*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

Application Deadline: 20 March 2026 Department: Technology Location: Belfast Description Imagine catching criminals before they strike - that’s exactly what Napier’s AI-powered platform does! By analysing transactions and customers in real time, Napier AI’s technology empowers financial institutions

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

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

*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