51 to 75 of 153 Backend Developer Jobs in London

systems and tools/protocols like Kafka, and gRPC will be a plus. Experience - Have experience (~3+ years) working on internal product engineering teams, developer tools, developer productivity or infrastructure products at scale. Adaptable - Are a generalist engineer with an ability to pick up new frameworks quickly and More ❯

an award-winning digital agency, based in the suburbs of West London. Due to our continued growth and success, we're recruiting for a backend Junior PHP Developer to work on our (Sitepad Software) to join us, either remotely or in our spacious canal-side studio. Sitepad CRM … the chance to work with our development team, working collaboratively on digital solutions and bespoke software solutions. Qualifications: Industry experience as a Junior PHP developer PHP 8 (has at least worked with PHP 7) MySQL HTML/CSS (good knowledge of Sass would be a plus) Can write high … control, preferably git Excellent problem-solving skills. Strong communication and collaboration skills. Ability to work independently and meet deadlines. Responsibilities: Develop and maintain the backend of our web applications using PHP. Integrate external APIs to enhance the functionality of our applications. Collaborate with the frontend development team to ensure More ❯

an award-winning digital agency, based in the suburbs of West London. Due to our continued growth and success, we’re recruiting for a backend Junior PHP Developer to work on our (Sitepad Software) to join us, either remotely or in our spacious canal-side studio. Sitepad CRM … the chance to work with our development team, working collaboratively on digital solutions and bespoke software solutions. Qualifications: Industry experience as a Junior PHP developer PHP 8 (has at least worked with PHP 7) MySQL HTML/CSS (good knowledge of Sass would be a plus) Can write high … control, preferably git Excellent problem-solving skills. Strong communication and collaboration skills. Ability to work independently and meet deadlines. Responsibilities: Develop and maintain the backend of our web applications using PHP. Integrate external APIs to enhance the functionality of our applications. Collaborate with the frontend development team to ensure More ❯

Hello, Role AWS Developer Duration 6+ Months Location Osterley Greater London TW7 5QD (Hybrid/2 days a week) Skills: AWS Lambda Javascript/Typescript Dynamo DB Appsync StepFunctions You have at least 2 years of experience as an AWS software developer this is a must. AWS certification More ❯

Office-based, 5 days pw - Monday to Friday) Type: Full-time, Permanent Overview A leading FCA-regulated financial technology firm is seeking an experienced Backend Java Developer to join its growing team. This is a unique opportunity to contribute to the design and development of a brand-new … ago London, England, United Kingdom 11 months ago London, England, United Kingdom 1 week ago London, England, United Kingdom 1 month ago Front-End Developer/React Specialist Internship Woking, England, United Kingdom 1 week ago Graduate Software Engineer – Elite Fintech Startup (up to £100K + Bonus + Hybrid … London, England, United Kingdom 4 months ago London, England, United Kingdom 1 week ago Front End Developer (Remote Fixed Term Contract) London, England, United Kingdom 3 weeks ago London, England, United Kingdom 1 week ago Backend Junior Software Engineer - Remote 4 days a week (Europe) London, England, United More ❯

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract but there is potential for it to be extended. … a 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 … a Server-less first approach to application design, collaborating within an agile team alongside other backend engineers and product designers. Strategize, develop, test, and deploy new features and experiments. Engage in collaborative coding practices such as pair programming and code reviews within the team. Contribute to resolving the complexities More ❯

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract but there is potential for it to be extended. … a 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 … a Server-less first approach to application design, collaborating within an agile team alongside other backend engineers and product designers. * Strategize, develop, test, and deploy new features and experiments. * Engage in collaborative coding practices such as pair programming and code reviews within the team. * Contribute to resolving the complexities More ❯

Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. You’ll be reliable in your own deliverables but also curious about and offer innovative ideas to others in a mutli-disciplinary team. Our work More ❯

set up and therefore you will be required to attend our London office twice per week. About the role We are building next-gen backend solutions that empower businesses with real-time, data-driven decision-making capabilities. As a Java Backend Engineer, you will join one of our … and Designers to deliver a high-quality product. Our Engineering Team is committed to using modern technologies and practices, continuously exploring new innovations in backend development. We work collaboratively and have fun solving complex challenges together. What you’ll be doing Be a core member of an Agile product … the latest technologies, including Java, Spring Boot, MongoDB, MySQL, Hazelcast, and Apache Kafka, to develop scalable, distributed systems. Design, implement, and maintain high-performance backend services and APIs. Collaborate closely with other engineers to build robust, highly available, and secure systems. Participate in code reviews, pair programming, and mentoring More ❯

Back End Developer (Java/Ruby on Rails/Spring/SQL/Python) My global fintech client is looking for a strong back end developer to join their ever expanding dev team on a permanent basis. Here are the technical requirements for the role: Essential Skills Java More ❯

Job Title: Backend Developer (Mandarin Speaking) Job Type: Full-time Location: On-site (United Kingdom) Salary: £28,000–£45,000 per year Schedule: Monday to Friday Responsibilities: Design, develop, and maintain scalable and reliable API systems. Build and manage microservices to support system scalability and performance. Write clean … patterns. Diagnose and resolve technical issues; provide ongoing technical support. Essential Requirements: Proficiency in both Mandarin and English (working languages). Solid experience with backend programming, particularly Golang and Lua. Hands-on experience with PostgreSQL, Redis, and Kafka. Strong understanding of RESTful API design and implementation. Experience with Nginx More ❯

Backend Developer – Python £650/day – 6 months – Inside IR35 – 3 days onsite (London) Python – Kafka – AWS – TypeScript – Commodities Trading You'll be working for a leading energy trading business, building out a modern post-trade platform that's genuinely pushing boundaries – live PnL, intraday position reporting, and … that backs its tech, delivers fast, and builds for the long-term. The must-haves: Strong Python experience (hands-on and recent) Experience building backend services in a product team Kafka or other message queue systems Comfortable working in fast-moving agile squads Experience in commodities or trading (preferred More ❯

Backend Developer – Python £650/day – 6 months – Inside IR35 – 3 days onsite (London) Python – Kafka – AWS – TypeScript – Commodities Trading You'll be working for a leading energy trading business, building out a modern post-trade platform that's genuinely pushing boundaries – live PnL, intraday position reporting, and … that backs its tech, delivers fast, and builds for the long-term. The must-haves: Strong Python experience (hands-on and recent) Experience building backend services in a product team Kafka or other message queue systems Comfortable working in fast-moving agile squads Experience in commodities or trading (preferred More ❯

Zaizi is looking for a Software Developer with solid technology skills, but who are also passionate about improving outcomes and the user experience. You’ll be reliable in your own deliverables but also curious about and offer innovative ideas to others in a multi-disciplinary team. Our work culture More ❯

will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Zaizi is looking for a Software Developer with solid technology skills, but who are also passionate about improving outcomes and the user experience. You'll be reliable in your own deliverables … function Other Industries IT Services and IT Consulting Referrals increase your chances of interviewing at Zaizi by 2x Get notified about new Back End Developer jobs in London, England, United Kingdom . London, England, United Kingdom 1 month ago Greater London, England, United Kingdom 1 month ago London, England … week ago London, England, United Kingdom 1 day ago London, England, United Kingdom 1 year ago London, England, United Kingdom 2 weeks ago Associate Backend Engineer (Remote within the UK) London, England, United Kingdom 2 months ago London, England, United Kingdom 1 month ago London, England, United Kingdom More ❯

Job Details Position: DV Cleared Software Engineer, Java Developer, Python, Backend Engineer, London Client: Experis UK Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 23.05.2025 Expiry Date: 07.07.2025 Job Description Our client, a global organization, urgently requires experienced Back End … to join their team on a permanent basis, working with Central Government clients. The ideal candidate will have: Extensive experience as a back end developer, particularly with Government or Defence applications (DV Cleared) Experience building solutions within a DevSecOps and Agile environment DV Clearance Responsibilities include: Delivering features end More ❯

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 More ❯

Do you want to be at the heart of some of the biggest and most ambitious programmes undertaken to keep our country safe? We are proud of the impact we have with our Defence & Security clients, the strength of our More ❯

Help us use technology to make a big green dent in the universe! Kraken powers some of the most innovative global developments in energy. We’re a technology company focused on creating a smart, sustainable energy system. From optimising renewable More ❯

a chance to work on some of the most important scientific challenges of our time. Objective of the Role: We are seeking a junior developer with a desire to do data engineering in the backend to join our Engineering team as a full-time permanent employee. Key Responsibilities More ❯

make it happen. We’re looking for someone who’s passionate about code, curious, and eager to learn. You’ll be working alongside the backend team that provides services for our Electroverse ecosystem in the electric vehicle and electrification space with focus on developing the core functionality of our More ❯

make it happen. We’re looking for someone who’s passionate about code, curious, and eager to learn. You’ll be working alongside the backend engineering team that provides services for our Electroverse ecosystem in the electric vehicle and electrification space with focus on helping develop the business proposition More ❯

Your experience as a Senior Rust Developer is required to join a motivated company in the gaming space, currently seeking a talented and experienced professional to work on projects serving a global community of enthusiasts. Noted for their record of successful projects and strong support from top investors, the … for the subject matter and a genuine passion for technology. This is an awesome company doing awesome things. If you're a quality Rust Developer, then this one is for you. #J-18808-Ljbffr More ❯

accessible and commission-free, they’re genuinely reshaping how everyday people build their financial futures. They’re now looking for both Senior and Staff Backend Engineers to join the team. The stack is primarily TypeScript and Node.js , but they’re open to strong backend engineers from any background More ❯

accessible and commission-free, they’re genuinely reshaping how everyday people build their financial futures. They’re now looking for both Senior and Staff Backend Engineers to join the team. The stack is primarily TypeScript and Node.js , but they’re open to strong backend engineers from any background More ❯