23 of 23 Backend Developer Jobs in London

Backend Developer/Software Engineer (TypeScript Node.js) London/WFH to £100k Are you a senior technologist looking for an opportunity to progress your career in a hands-on role where you can make an impact? You could be joining a scaling tech company that has developed … marketplace where institutions can place, discover and match option interests electronically - improving liquidity and efficiency for all participants as the platform scales. As a Backend Developer you will collaborate with a small team of technologists and successful entrepreneurs to design and implement intelligent solutions to business needs, with ...

Backend Developer (Contract) Start Date: ASAP Contract Length: 12 months Rate: Up to £522 per day inside IR35. Location: Mostly remote, with occasional travel to Croydon Clearance: SC Clearance (existing clearance preferred but not essential) About the Role We're looking for an experienced Backend Developer to join a high-impact project delivering scalable, reliable backend services. You'll work with modern Java-based technologies in a collaborative, delivery-focused environment, contributing to systems that are critical, secure, and built to scale. This is a contract role offering long-term stability, flexibility through remote ...

Backend Developer (Contract) Start Date: ASAP Contract Length: 12 months Rate: Up to £522 per day inside IR35. Location: Mostly remote, with occasional travel to Croydon Clearance: SC Clearance (existing clearance preferred but not essential) About the Role We're looking for an experienced Backend Developer to join a high-impact project delivering scalable, reliable backend services click apply for full job details ...

Senior Backend Developer £70,000 - £80,000 GBP Performance bonus, 28 days leave + bank holidays, Private Medical Insurance Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Role: Senior Backend Engineer Salary: Up to £80k + performance bonus and benefits Location: London (Hybrid … data processing, and user experience . The environment is supportive, valuing creativity, continuous learning, and flexibility through hybrid working. They are seeking a Senior Backend Engineer to build highly scalable and maintainable services using modern technologies.. What You'll Do: Develop backend services in Python (FastAPI/Django ...

Senior Backend Developer 40 hours per week Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Start date: January 2026 Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python … full-time role, 40 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 ...

Senior Backend Developer Salary: Up to £90,000 per annum Client: Leading Data Centre Provider We're working with a well-established Data Centre Provider to recruit a highly experienced Senior Backend Developer. This is a remote role open to UK-based candidates, offering the chance … work on large-scale systems that support critical national infrastructure. This is an excellent opportunity for a seasoned backend engineer with deep expertise in Node.js and TypeScript, who enjoys architecting scalable solutions and working with modern cloud technologies. You'll be responsible for designing and building high-performance backend ...

Senior Backend Developer Salary: Up to £90,000 per annum Client: Leading Data Centre Provider We're working with a well-established Data Centre Provider to recruit a highly experienced Senior Backend Developer. This is a remote role open to UK-based candidates, offering the chance ...

early staged UK Fintech company, focused on solving data challenges across the wealth management industry. We're looking for an experienced data-focused backend developer to help supercharge our product, integrations and APIs. In return, we offer a chance to shape not just a product ...

commutable distance of Bristol) Employment Type: Full-time Experience Level: Senior Salary: £60k - £80k About the Role We are seeking a highly skilled Senior Backend Web Developer with expertise across multiple backend technologies such as Python, .NET, and PHP to join our growing development team working … communications platform. In this role, you will architect, build, and maintain robust backend systems while also providing mentorship and technical leadership to a team of junior developers. A strong understanding of AI concepts, tools, and integrations is essential as we continue embedding intelligent features across our products. Key Responsibilities ...

Senior Backend Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK) Are you ready to build the core systems that power one of the fastest-growing cybersecurity platforms on the planet? This is your chance to join a research-driven, venture-backed security scale-up that’s trusted … funding, and scaling aggressively worldwide, they’re on a mission to reshape how organisations stay ahead of real-world cyber threats. As a Senior Backend Engineer , you’ll play a key role in building scalable, high-performance backend systems that ingest, process, and serve data on millions ...

Python Developer Reliability Join a leading global investment management firm at the forefront of technology innovation. Were searching for a talented Python Engineer to join our Risk & Market Access division. At our firm, we harness a diverse portfolio of systematic and quantitative strategies, striving to deliver high-quality, uncorrelated ...

Python Developer Reliability Join a leading global investment management firm at the forefront of technology innovation. Were searching for a talented Python Engineer to join our Risk & Market Access division. At our firm, we harness a diverse portfolio of systematic and quantitative strategies, striving to deliver high-quality, uncorrelated ...

Backend Software Engineer – Digital Solutions Location: London (approx 3 days a week) Salary: Up to £65,000 + 10% Bonus This role is best suited to a strong backend-focused software engineer who is technically curious, adaptable, and comfortable working across different domains, stakeholders, and problem spaces. … translating complex technical ideas into clear, practical outcomes. Communication skills are as important as technical capability in this role. Key Responsibilities Design and build backend-focused, cloud-native solutions using modern engineering practices Develop proof-of-concepts (POCs), prototypes, and demonstrators to validate ideas and support business decision-making ...

skills can be applied meaning a vast array of opportunities are now available to you. Examples of some of these are listed below: - Junior Developer Website Support Developer Junior Web Developer Content Editor Wordpress Developer Junior Software Developer Junior Front or Back End Development Development ...

Location: London, UK Industry: Investment Banking We’re looking for an experienced Backend Developer to join a leading investment bank and help drive innovation that empowers people and businesses across Asia, Africa, and the Middle East. This role is part of the Blade function, delivering strategic initiatives that … make a real impact. Prior banking experience is highly desirable. The Key Responsibilities As a senior developer, you’ll be driving our platform forwards and delivering quality solutions to business-critical customer requirements. Based in London, you will collaborate in a dynamic global team with fellow technologists, business analysts ...

Salary: £45,000 - £55,000 (Dependent on experience) Work Week: 35 hours, full-time About The Role INDEZ is looking for a skilled Magento Developer to join our compact, high-performance team. We are a Google Premier Partner and the organisers of the national Ecommerce Scotland conference We manage … logic. What You'll Do Develop & Optimise: Develop, maintain, and proactively optimise Magento 2 stores for a diverse client base. Complex Troubleshooting: Troubleshoot complex backend issues and integrate third-party systems (ERPs, Payment Gateways). Architectural Collaboration: Collaborate with the CTO on architectural decisions and performance optimizations. Quality Control ...

afterhours is an app that creates a social ticketing experience. We're looking for an experienced Flutter Developer to continue work on the backend of the mobile app. What you'll do Create new backend functions and APIs Handle all the requests of the frontend developer Work with the frontend developer to plan and create the links needed between Keep things safe, secure and optimised in the Web App Admin Panel and the mobile app What you'll need Experience in Flutter Experience in Flutter Web Experience in Firebase (Firestore + Cloud Functions ...

Back-End Developer Home-based within the UK About Us At Family Action, we transform lives by providing practical, emotional, and financial support to those experiencing poverty, disadvantage, and social isolation.Since 1869, we’ve been building stronger families, and today, we work with over 60,000 families across more … thousands more through national programmes and grants, helping everyone find the tools to overcome challenges and thrive.We’re now looking for a Back-End Developer to join us on a full-time, permanent basis, working 37 hours per week. The Benefits - Salary of £43,042 per annum (inclusive ...

Back-End Developer Home-based within the UK About Us At Family Action, we transform lives by providing practical, emotional, and financial support to those experiencing poverty, disadvantage, and social isolation. Since 1869, weve been building stronger families, and today, we work with over 60,000 families across more … thousands more through national programmes and grants, helping everyone find the tools to overcome challenges and thrive. Were now looking for a Back-End Developer to join us on a full-time, permanent basis, working 37 hours per week. The Benefits - Salary of £43,042 per annum (inclusive ...

Back-End developer (python and GCP) - hybrid London - £525 inside IR35 Exalto consulting are currently recruiting for a contract back-end developer who has great exposure to python programming, javascript, react and GCP, this is inside IR35 paying £525 per day and initially 6 months. Skills required … role: •Expert knowledge of backend development with Python, Node.js and modern JavaScript frameworks •Experience with frontend technologies including React •Strong experience deploying and managing applications on Google Cloud Platform (GCP) •Proficiency in designing and integrating RESTful APIs •Demonstrated ability to implement automated testing strategies (unit, integration, regression) •Knowledge ...

Back End Developer Duration - until 12/10/2026 Rate - £(Apply online only) per day - umbrella only Location - London, 1-2 days every 2 weeks. As a Context Engineer in our Development team, you'll collaborate closely with the Dev Lead to pioneer and apply "Context Engineering ...

enjoys taking ownership of their work and working on things end to end. Strong experience in their stack- Typescript, Node, Express & React (This is Backend weighted but having some exposure to Frontend technologies would be beneficial) Ideally experience in or an interest in FinTech. Good experience with API design ...

Back-End Developer Home-based within the UK About Us At Family Action, we transform lives by providing practical, emotional, and financial support to those experiencing poverty, disadvantage, and social isolation. Since 1869, weve been building stronger families, and today, we work with over 60,000 families across more ...