1 to 25 of 59 Backend Developer Jobs in London

Technical/System Engineering Permanent Result Oriented UK+Remote UK+Remote Posted 2 days ago 0 applicants so far Backend Developer (Digital Platform & Ecosystem Architecture) Position Title: Backend Developer Company Name: Ecofamilies (www.ecofamilies.co.uk) Location/Work Style: UK-Based/Hybrid or Fully Remote (UK-wide) Employment Type … without compromising their quality of life, we give relief the nation to overcome inflation gap which eats their income unknowingly. Role Purpose As our Backend Developer, you will architect, optimize, and maintain the server-side logic, API layers, databases, and third-party integrations powering the Ecofamilies platform ecosystem. ...

Backend Developer (Python) 6 Months London (Hybrid) £550-650 per day (Inside IR35) ***Please note - The selected candidate MUST HAVE strong Banking Experience to be considered for this position*** My client, a tier 1 bank, looking for an experienced Backend Developer to join a high-performing … engineering team within a global financial services environment. The role focuses on building, modernising and supporting highly distributed, business-critical backend systems. Key Requirements Strong Python backend development Advanced SQL/database development Microservices and event-driven architecture Kafka and/or Tibco TDD and automated testing Kubernetes ...

Backend Developer (Python) 6 Months London (Hybrid) £(Apply online only) per day (Inside IR35) ***Please note - The selected candidate MUST HAVE strong Banking Experience to be considered for this position*** My client, a tier 1 bank, looking for an experienced Backend Developer to join a high … performing engineering team within a global financial services environment. The role focuses on building, modernising and supporting highly distributed, business-critical backend systems. Key Requirements Strong Python backend development Advanced SQL/database development Microservices and event-driven architecture Kafka and/or Tibco TDD and automated testing ...

regulatory-grade tools for video-based motor assessments. As part of our growing technical team, we’re looking for a highly capable and motivated Backend Developer to design, build, and maintain our cloud infrastructure and deployment pipelines. You’ll play a key role in ensuring the reliability, security … scalability of our systems that power AI-driven clinical research and digital health innovation. Role Overview We are looking for a Backend Developer (to work with our Platform Lead) on a healthcare SaaS platform handling sensitive clinical data and ePHI. This is a hands-on startup role covering ...

Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels … full-time role, 37 hours per week. If this role feels right, send us your CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt ...

# Backend DeveloperSenior LevelLondonPosted 8 days ago### Role OverviewWe are heavily recruiting a Senior Backend Developer to spearhead our core infrastructure in London. Central to this role is the expert development of robust server-side logic, sophisticated e-commerce API systems, and high-stakes database handling. … database queries (SQL/NoSQL) to handle massive high-throughput performance.* Collaborating synchronously with frontend engineering divisions to cleanly integrate user-facing systems with backend pipelines.### Perks & BenefitsFlexible hybrid work scheduling from our prestigious London hub or remote environmentsExtended remote work flexibility optionsGold-standard healthcare, dental, and visionary benefitsAggressive ...

Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels ...

Senior Backend Developer for Video on Demand and Live Streaming (GoLang) Contract 12 months OUTSIDE IR35 Remote (UK) A leading video platform is seeking experienced Senior Backend Developers with expertise in GoLang to contribute to the VoD2Live project. This person must have experience working on Streaming … Video on Demand. The role requires developing robust, high-performance backend services that integrate seamlessly with third-party services such as CDNs, DRM providers, and cloud platforms. This position is ideal for candidates with strong problem-solving skills and a deep understanding of video streaming protocols and microservices architecture. ...

About the Role Our client is actively seeking a talented and experienced Remote Software Developer (Backend) to join their engineering team. This role is focused on designing, developing, and maintaining robust, scalable, and high-performance backend systems and APIs that power their innovative applications. You will work … capacity, collaborating with a distributed team of engineers, product managers, and designers to deliver exceptional software solutions. This is an ideal opportunity for a backend specialist who is passionate about building efficient and reliable server-side logic and thrives in a flexible, remote work environment. Key Responsibilities Design, develop ...

Title: Node.js Backend Developer Salary: up to £80,000 + share options Location: Fully remote (UK) Sector: Cybersecurity SaaS We’re supporting a high-growth cyber SaaS scale-up on the hire of a Node.js Backend Developer to own production APIs and serverless microservices. ...

inclusive, adaptable, and forward-thinking organization, Location: London, Hybrid 2 days a week from Office Role Summary We are seeking an experienced Java Backend Developer to design, develop, and support scalable enterprise applications using Java and Spring technologies . The ideal candidate should have strong software engineering fundamentals … monitoring. Day to Day Job Duties Design, develop, test, and implement new application functionality using Java and Spring/Spring Boot . Develop backend services, APIs, and reusable application components. Work closely with business stakeholders and Business Analysts to understand functional and non-functional requirements . Translate business requirements ...

Senior Backend Developer - Blockchain Infrastructure London, England Who We Are: Galaxy Digital Inc. (Nasdaq: GLXY) is a global leader in digital assets and data center infrastructure, growing the economy that runs on code. Galaxy delivers the onchain infrastructure that connects institutions to digital assets, including trading, advisory, asset … be. Be Selective To Be Effective. Be Highly Aligned, Loosely Coupled. Disagree Transparently. Build Dream Teams. Who You Are: You'll design and build backend systems powering blockchain infrastructure and staking products across Galaxy — spanning Ethereum-based systems, staking infrastructure (native and liquid), and blockchain data systems and APIs. ...

Rate: TBC Join a dynamic energy provider dedicated to delivering sustainable solutions across the UK. We are looking for an enthusiastic and resourceful Senior Backend Developer who is passionate about building exceptional products and developing robust, scalable solutions. This is an initial 6-month contract, with potential … role is full-time, 37 hours per week, with one day per week onsite in London. Accountabilities Play a pivotal role within the backend engineering team, helping to build cloud-based applications. Develop backend solutions using Python and AWS Cloud services. Adopt a serverless-first approach to application ...

C# Backend Developer – Hedge Fund Up to 95,000 + BonusQuant Capital is urgently looking for a C# Developer to join our high profile client. A $1billion strong Hedge fund with performance figures of 13%. They trade a number of products across but mainly … working on is porting existing systems to C# and modernising adjacent systems and applications. This would be a great opportunity for a senior developer looking for a role with a large amount of responsibility and the ability to have an input on design and architecture decisions. ...

ethical AI and privacy (GDPR compliance) make it a user‐friendly yet enterprise‐grade solution. About the Role We are looking for a Backend Developer who can independently manage, maintain, and evolve Fogsphere’s microservices codebase and proprietary libraries. You will be responsible for implementing new product features … maintaining and writing database migration scripts, identifying and fixing bugs autonomously, and ensuring high-quality, reliable backend services across our platform. This role requires strong ownership, hands‐on problem‐solving, and the ability to work within a distributed, cloud‐native environment. Key Responsibilities Develop, maintain, and optimize backend ...

Level Backend Developer will be responsible for designing, developing, and maintaining the backend systems that power Stakemate's iGaming platform. About Stakemate Stakemate is a fast-growing iGaming agency based in London with a team of 20 employees. Estimated Benefits Health Insurance Retirement Savings Plan Paid Time ...

Senior Backend Developer for Video on Demand and Live Streaming (GoLang) Contract 12 months OUTSIDE IR35 Remote (UK) A leading video platform is seeking experienced Senior Backend Developers with expertise in GoLang to contribute to the VoD2Live project. This person must have experience working on Streaming ...

TypeScript Backend Developer (Contract, Outside IR35) Contract status: Outside IR35 Start date: 2nd November Contract length: To the end of December 2026, with extension possible Location: Remote first London days: Once or twice a month Who you'll be doing it for You'll join the mobile platform … services that support a government app. Most of it happens from home. What you'll need to be considered You need commercial backend development experience. You should have built serverless services in TypeScript on AWS Lambda, and understand how OIDC works. You take security seriously, which matters a great ...

Backend Java Developer – City London We are urgently looking to recruit a Java backend Developers with at least 5 years experience. Must have strong Data structures and Algorithms experience. Also experience of Spring, working with large code base, SQL, Unix etc. You should ideally have a solid ...

Trading Software Firm, City of London, 40 man flat Dev TeamPay: 85k, 20% Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingC# Backend Developer FintechQuant is urgently looking for a junior and senior C# Software Engineer to join our high profile client. Current challenges greenfield trading ...

Trading Software Firm, City of London, 40 man flat Dev TeamPay: 80k, 20% Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingC# Backend Developer FintechQuant is urgently looking for a junior and senior C# Software Engineer to join our high profile client. Current challenges greenfield trading ...

Design, build and ship features end-to-end across web, mobile and backend as needed Own meaningful pieces of the product surface and the systems that back them Raise the bar on code quality, testing and engineering hygiene in the team Mentor more junior engineers through pairing, reviews … deliver customer value Learn and apply AI-powered tooling Requirements 5+ years of professional software engineering experience Strong skills in at least one backend language: PHP or Go High level of competency in TypeScript Comfortable owning features from idea to production with minimal hand-holding Solid grounding in software ...

building a significant private sector client portfolio. Methods was acquired by the Alten Group in early 2022. We are looking for talented Backend Developers to join a digital delivery team working on services that make a real difference to people across the UK. You will work as part … build, improve and maintain secure, scalable and reliable digital services used by millions of people. You will be responsible for designing and developing backend services and APIs, working with cloud-based technologies and serverless architectures to deliver robust and maintainable solutions. This is an opportunity to work on meaningful ...

Backend Java Developer Location: Birmingham (Hybrid) Employment: Fixed Term Contract Salary: £50,000 – £65,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you. We’re building the core backend services … deterministic rule engines, SQL planning/interception, and high-throughput services that sit on the critical path of data access . This is deep backend + data infrastructure work . 🚀 What You’ll Do Build core backend services in Java (17/21) for access control and query ...

Waracle are looking for a Senior Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business and customer … quality, we would love to welcome you to our team. Key aspects of the role include Architectural Delivery: Designing and building end-to-end backend subsystems using Go, ensuring our codebases remain modular, maintainable, and built to scale. Quality & Security: Championing engineering excellence through constructive peer reviews and proactive ...