1 to 25 of 43 Senior Backend Developer Jobs in London

k + Benefits 2 days on site in North London 3 days remote I am recruting for a talented and driven Backend Engineer to join a dynamic team, focused on the creation and deployment of innovative software solutions. As a Backend Engineer, you will work closely with cross-functional teams, including engineering, product management, design, and quality assurance … features by working alongside engineering, product management, design, and QA teams. Promote best practices : Advocate and enforce coding standards, architectural patterns, and best practices. Your in-depth knowledge of backend technologies will help guide and support your peers, ensuring high-quality code. Automation and process improvement : Increase development efficiency, reliability, and scalability by creating automated processes that streamline workflows. … with Flask, FastAPI, or similar frameworks). Expertise in designing architectures that meet scalability, reliability, and security goals. Strong problem-solving skills, particularly in product development. Solid understanding of backend best practices, coding standards, and architectural patterns. Experience in automating builds (CI/CD), feature flags, and automated testing. Bonus Skills: Experience with message-driven systems (e.g., Google Pub More ❯

investors Lunar Ventures and Stride VC, we are accelerating our vision to become the go-to provider for AI-driven automation solutions across the globe. About the Role As Senior Backend Developer in the Product team, you are responsible for building features and designing and implementing new endpoints. This involves diverse tasks from gathering requirements and giving … team. Our Stack And How We Work About You 5+ years working with Python and frameworks like Django, Flask, or FastAPI, with a strong command of building and optimizing backend systems. Hands-on experience with relational/SQL databases, ensuring efficient and reliable data management. Well-versed in software engineering essentials such as unit testing, CI/CD, integration More ❯

Job Title: Lead Senior Specialist - Back-end .NET Developer - Fully Remote Job Overview: We are seeking a talented Lead Senior Specialist in Back-end .NET Development to join our client's dynamic Agile development team. This role is crucial in shaping strategic product modules, particularly the payroll calculation engine. The ideal candidate will possess a strong technical 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. The role is Hybrid, with one day a week … their London office. It is 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 inherent in large-scale systems and extensive datasets. Foster close collaboration with our Product, Data 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. The role is Hybrid, with one day a week … their London office. It is 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 inherent in large-scale systems and extensive datasets. * Foster close collaboration with our Product, Data More ❯

great colleagues across 8 offices in 6 countries. Our offices are in London, Barcelona, Aarhus, Aalborg, Copenhagen, Stockholm and Oslo. What will you be working on? As a Senior Backend Developer, your primary tasks will include among other: Developing performance-critical and scalable microservices and APIs with state of the art technologies like .NET, C# and Cloud … SQL and Git - preferably from an agency or consultancy firm. You have experience with CMS system Umbraco or other such as Contentful, Storyblocks or other. Previous experience as a senior developer within a project team. You are familiar with basic software patterns and principles like SOLID, Domain Driven Development, Dependency Injection, CQRS etc. You have practical experience with More ❯

Senior Backend Developer (Node.js)/SRE Join to apply for the Senior Backend Developer (Node.js)/SRE role at Binance Senior Backend Developer (Node.js)/SRE Join to apply for the Senior Backend Developer (Node.js)/SRE role at Binance Get AI-powered advice on this job and … assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world. We are looking for a Senior Software Developer to develop internal monitoring and alerting systems for our high-load real-time production systems. Experience with DevOps/SRE and monitoring large scale performance critical … improvements Evaluate new technology options and vendor products. Ensure critical system security through the use of best in-class security solutions Requirements 5+ years as a Node.js/JavaScript developer, ideally, with background in monitoring & supporting large scale production systems Deep understanding of REST API design and WebSockets Familiar with cloud services such as AWS and GCP Experience in More ❯

Direct message the job poster from SThree SThree are pleased to announce we’re recruiting for a talented Senior Java Back End Developer to join our excellent team, based in Bank, London. The Senior Java Back End Developer will design, develop, test and support capabilities in our digital experience platform to create competitive advantage for SThree … connected. If you need any assistance or reasonable adjustments in submitting your application, please let us know, and we’ll be happy to help. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology Industries Staffing and Recruiting Referrals increase your chances of interviewing at SThree by 2x Get notified … about new Back End Developer jobs in London Area, United Kingdom . London, England, United Kingdom 1 month ago London, England, United Kingdom 4 hours ago Greater London, England, United Kingdom 1 month ago London, England, United Kingdom 1 week ago London, England, United Kingdom 1 month ago London, England, United Kingdom 1 week ago London, England, United Kingdom More ❯

space who can help us 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 for external partnerships and APIs. … we do not discriminate on the basis of any protected attribute. Our commitment is to provide equal opportunities, an inclusive work environment, and fairness for everyone. Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Utilities and Environmental Services #J-18808-Ljbffr More ❯

space who can help us 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 platform, and helping us build 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 ❯

SThree are pleased to announce we’re recruiting for a talented Senior Java Back End Developer to join our excellent team, based in Bank, London. The Senior Java Back End Developer will design, develop, test and support capabilities in our digital experience platform to create competitive advantage for SThree, as part of a small software development More ❯

SThree are pleased to announce we’re recruiting for a talented Senior Java Back End Developer to join our excellent team, based in Bank, London. The Senior Java Back End Developer will design, develop, test and support capabilities in our digital experience platform to create competitive advantage for SThree, as part of a small software development More ❯

SThree are pleased to announce we’re recruiting for a talented Senior Java Back End Developer to join our excellent team, based in Bank, London. The Senior Java Back End Developer will design, develop, test and support capabilities in our digital experience platform to create competitive advantage for SThree, as part of a small software development More ❯

SThree are pleased to announce we're recruiting for a talented Senior Back End Developer to join our excellent team, based in Bank, London. The Senior Back End Developer will design, develop, test and support capabilities in our digital experience platform to create competitive advantage for SThree, as part of a small software development team. About More ❯

Mintago is looking for a talented Senior Backend Developer to join our growing team. As part of our innovative company, you will have the opportunity to work on building high-performance NodeJS services utilizing cutting-edge technologies and frameworks, all underpinned with TypeScript. In this role, you will collaborate closely with our frontend developers, product owners, and … other stakeholders to deliver scalable and reliable solutions. If you are passionate about backend development and eager to work in a dynamic, fast-paced environment where your contributions will make a significant impact, we would love to hear from you. You will join Mintago as our 3rd Senior Backend Developer. You will play a pivotal role in … startup. We are committed to delivering robust and reliable software solutions, prioritizing secure development practices at every stage of our software development lifecycle. We are looking for a talented developer who understands the importance of incorporating security measures into their code from the outset. Additionally, you will work closely with our security team to stay updated on emerging threats More ❯

a blend of working from home and our offices, located in London, Southampton & Yeovil. Talk to us about how we can best support you! We are looking for a Senior Platform Engineer (backend python focus) to join our Group Data Science function, to lead and trailblaze the development and building of software platforms. Working across our retail banners … platforms that allow us to apply and embed the use of data science directly in our products and processes. Minimum Requirements Excellent knowledge and experience in Django and Python backend Excellent understanding of computer science fundamentals and machine learning Proven experience of delivering several high-quality software products and experience of productionisation Proven experience of developing cloud-based services More ❯

a blend of working from home and our offices, located in London, Southampton & Yeovil. Talk to us about how we can best support you! We are looking for a Senior Platform Engineer (backend python focus) to join our Group Data Science function, to lead and trailblaze the development and building of software platforms. Working across our retail banners More ❯

We’re seeking smart individuals interested in this space to help us succeed. We want someone passionate about code, curious, and eager to learn. You’ll work alongside the backend engineering team that provides services for our Electroverse ecosystem in the electric vehicle and electrification space, focusing on developing business propositions for external partnerships and APIs. This project is More ❯

platform unlocks hidden profits in the supply chain, and empowers them to focus on growth and expansion through real time data. We are seeking a highly skilled and experienced Senior Back End Developer with expertise in C# and SQL. The ideal candidate will be a native English speaker with a strong passion for developing solutions that address real … debug applications to ensure optimal performance. Implement security and data protection measures. Stay up-to-date with emerging technologies and industry trends. Requirements Proven experience as a Back End Developer or similar role. Strong proficiency in C# and SQL. Native English speaker. Excellent problem-solving skills and a passion for finding real-world solutions, using tools in novel ways More ❯

Senior Backend Developer - Node (100% Remote - United Kingdom), London Location: London, European Union Job Category: Internet Job Reference: 5wg19r3f Expiry Date: 08.05.2025 Job Description: Join Tether and Shape the Future of Digital Finance At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and … contribute to the most innovative platform on the planet, Tether is the place for you. Are you ready to be part of the future? About the job As a Senior Backend Developer, you will be a part of the team that works on the development of Tether backend components. Responsibilities: New Products and Features: Tether continuously … provide the most professional trading experience for customers. These are developed and deployed using agile methodologies to ensure the user experience remains the best in the industry. Scalability: All backend services that power Tether must remain effortlessly smooth, responsive, and real-time for customers as the platform continues to scale to accommodate new user growth. Security: Security is the More ❯

Bitfinex you have the freedom to work as you please - all that matters is execution. Join us and help lay the foundation for a decentralized future. Currently looking for: Senior Backend Developer [Remote] Key responsibilities As a Senior Backend Developer, you will be a part of the team that works on the development of … the backend components of all Bitfinex Services (main trading application, Bitfinex Pay, Lightning Network support, Blockchain integrations, etc.). This includes: New Products and Features - Bitfinex continuously strives to create innovative new features in order to provide the most professional trading experience for customers. These are developed and deployed using agile methodologies to ensure the user experience remains the … best in the industry. Scalability - All backend services that power the Bitfinex platform must remain effortlessly smooth, responsive, and real-time for customers as the platform continues to scale to accommodate new user growth. A good example is the renowned Bitfinex API, the most solid, low-latency, and complete in our industry. Security - Bitfinex makes security its most important More ❯

Join Marcura as a Senior Backend Developer – A Remote-First Opportunity with Flexible Work Culture About Us Marcura was founded 23 years ago by two visionary entrepreneurs. Our mission has always been to revolutionize digital processes within the global shipping industry. We achieve this by putting our customers first and creating innovative solutions that make a real … for continued success. Now, we’re looking for talented individuals who are as committed to excellence as we are to join us in this exciting journey. About the Role: Senior Backend Developer Your Day-to-Day Will Involve: We run a MERN stack in a Typescript monorepo with GraphQL APIs and we are looking for a developer … Min 4 years experience employed in development (6 years without degree or equivalent) Min 2 years experience employed at a MERN stack company Currently working as a mid or senior developer Experience working in a monorepo would be an asset Knowledge in NodeJs, Typescript, GraphQL, MongoDB, MacOS, Functional + OOP coding experience Why Marcura? Here’s What We More ❯

overall system. A prototype of the demo is already available internally. Responsibilities: Building on an existing prototype, the candidate will work directly with the research team to refine the backend of the current Flask-based solution to enable reliable and scalable front-end/back-end communication and model interaction. The candidate will build on the APIs available for … the model controlling the character and the simulator to develop the back-end component. The candidate will be responsible for the deployment of the backend on internal servers. Requirements: Experience in developing web-based applications including back-end development and deployment. Experience in deploying ML models on cloud services (e.g., AWS). #J-18808-Ljbffr More ❯

Senior Backend Developer (Platform team) Europe About Smartcat Smartcat is building the future of work, where human expertise meets digital teammates to drive 10x to 1000x productivity gains for the world’s leading enterprises. We’re on the frontier of an entirely new category: Agentic AI. We enable enterprises to build high-performing hybrid workforces made up … shape the future of work with us. Join us in unlocking global potential, one human and agent team at a time. Why you should join our team As a Senior Software Engineer on our Product Platform Team (which is focused on our Product’s API Gateway), you will play a pivotal role in rebuilding our product’s core architecture More ❯