1 to 25 of 38 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 ...

Senior Backend Developer (Java/Spring Boot/AWS) Rate: £500 - £600 Outside IR35 Location: London - 3 times on site a month Duration: 6 months initial The role: I'm working with a financial services organisation that needs a Senior Backend Developer to build and maintain ...

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 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 ...

Role Overview Multis UK Limited is hiring an experienced Senior Backend Developer to lead the architecture, development, and enhancement of production systems, REST APIs, and online marketplace platforms. The position features flexible work formats (part-time, full-time, or contract) in a fully remote environment, with a strong … focus on AI-assisted software engineering. Key Responsibilities Backend & API Architecture: Design and build backend applications and REST APIs using PHP 8+ and SQL databases while refining existing production systems. Integrations & Automation: Manage search engine technologies, automation pipelines, and third‐party service integrations. Quality & Mentorship: Conduct code reviews ...

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. ...

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 ...

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 ...

Build scalable backend services and APIs using Python, supporting millions of users across global markets. London/Remote 3+ years $90k - $140k Posted 1/7/2024 Join our backend engineering team to build robust, scalable server-side applications that power our platform. You'll work with … problems including distributed systems, data processing, and API design. You'll collaborate with frontend engineers, data scientists, and infrastructure teams to deliver reliable, efficient backend solutions. Key Responsibilities Develop and maintain Python-based backend services and APIs Design and implement database schemas and data models Build scalable microservices ...

exciting environment for career development, with a focus on training, growth and fostering an inclusive culture. We are now looking for a Senior Backend Software Developer to join our Apps Experience team on a 12 month fixed contract. You could be building the products that showcase our progressive … throughout the Open Source community. Many of our developers regularly attend and present at conferences. Please visit our Guardian Developers site and the Guardian Developer blog for more information about working in the Digital Development team. About you As a full stack engineer, you’ll be equally willing ...

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 ...

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 ...

Backend Java Developer – Data Fabric/Platform Engineering Location: London (Hybrid) Employment: Permanent Salary: £70,000 – £90,000 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 … 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 ...

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 ...

Jain Global LLC in London is seeking a Core Platform Developer to design and build shared backend services, frameworks, and tooling that improve how internal teams develop, deploy, and operate software. The role emphasizes platform engineering, API standards, and observability across services. The ideal candidate has extensive backend ...

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a six-month contract but there is potential for it to be extended. The role … 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 ...

implemented SQL and NoSQL database designs in a big data context and has previously worked with agile methodologies. Responsibilities: Bridge the gap between backend web development and data science teams Work on backend data pipeline development Integrate backend web services with databases/data warehouses Develop cutting ...

side components that integrate seamlessly with client applications. Contribute to architectural improvements and maintain high standards of code performance and maintainability. Build and extend backend features using internal and third-party APIs (e.g., Modulr, Truelayer, Checkout.com) to support lending products including loan applications, collections, and payments. Develop internal tools … Work alongside front-end and product teams to build innovative solutions that empower users to manage their finances more effectively. Experience designing and scaling backend services from scratch, with solid understanding of microservices architecture and distributed systems. Commercial experience in high-scale startups. Years of experience is a poor ...

leading music company is seeking a Lead Developer to design, develop, and maintain external-facing royalty portals using Java. The role involves building AWS serverless solutions, working with Docker and Kubernetes, and providing technical leadership within the development team. Candidates should have strong experience in AWS, SQL, and agile ...

About us At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to ...