1 to 25 of 30 Backend Developer Jobs in London

Backend Developer/Software Engineer (Go/Node Pub/Sub) Remote/Hybrid to £120k + Equity Are you an experienced Backend Developer who enjoys building distributed systems, real-time infrastructure and solving complex scalability challenges? You could be progressing your career at a high … growth technology company whose messaging platform powers millions of real-time interactions for developers and businesses worldwide. Your role: As a Backend Developer, you'll join the team responsible for the core messaging platform that underpins the company's real-time infrastructure. Working on highly scalable distributed systems ...

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. ...

000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: cv@nexusjobs.comTelephone: 020 7488 6900Apply for this job nowJob DescriptionSenior Backend Developer with C# .net Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well … award-winning Travel Company. You will be responsible for: Leading the eCommerce web and application development from a technical perspectiveCollaborating with the front end developer and design resource to deliver improved UI & UXA problem solver - you'll need to be able to analyse and suggest improvements to existing website ...

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 ...

Описание Apple’s documentation engineering team creates developer tools and framework-level support for documentation workflows on the developer website and Xcode. The team develops backend technology, products, infrastructure, and tooling for reliable documentation systems. Задачи Produce well-tested, performant, and reliable code for multiple maintained systems ...

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 ...

Design, develop and maintain high-quality backend services using TypeScript • Design and implement serverless, cloud-native solutions • Develop and maintain AWS applications and services, including AWS Lambda • Build secure, scalable and reliable APIs and backend services • Translate user and business requirements into maintainable technical solutions • Write clean, well … documentation, knowledge sharing, development standards, patterns and best practices • Support an inclusive engineering culture and mentor colleagues where appropriate Requirements Strong commercial experience developing backend services and APIs Strong proficiency in TypeScript Experience designing and developing solutions using serverless architecture Strong practical experience with AWS cloud services Strong experience ...

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 ...

hackajob is partnering directly with Zaizi to hire for this role. Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. Youll be reliable in your own deliverables but also curious about and offer innovative ...

hackajob is partnering directly with Zaizi to hire for this role. Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. Youll be reliable in your own deliverables but also curious about and offer innovative ...

secure, end-to-end business and technical solutions, with a strong focus on public-sector digital services. Задачи: Design, develop and maintain high-quality backend services using TypeScript; Design and implement solutions using serverless architecture and cloud-native development principles; Develop and maintain applications and services using AWS, including … Lambda; Build secure, scalable and reliable APIs and backend services; Translate user and business requirements into reliable, maintainable technical solutions; Write clean, well-tested and maintainable code following modern software engineering practices; Collaborate with frontend and mobile developers, designers, product managers, QA professionals and other technical specialists within ...

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 ...

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 three-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 ...

Jain Global is seeking a Core Platform Developer to design and build shared backend foundations used across the firm. The role focuses on platform capabilities that improve how teams build, deploy, and operate software. The ideal candidate will create reusable services, frameworks, and tooling, spanning API enablement, observability ...

Java is your passion, you know it like the back of your hand. The backend is where your interest lies. You think big, you don't just write the code, you think about how this code you write will make an impact. You can visualise the real world implications ...

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 ...

company, we’re combining expertise to offer a full-service, frictionless parking solution for both businesses and consumers. About the role The Senior Fullstack Developer ships high-impact product features across JustPark’s stack, working closely with product, design and other engineers to deliver value tocustomers. You’ll design … build and ship features end-to-end across web, mobile or backend as needed, own meaningful pieces of the product surface and the systems that back them, and raise the bar on code quality, testing and engineering hygiene in your team. The role works with engineers in code reviews ...

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 three-month contract but there is potential for it to be extended. The role ...

Back End Developer £500-£540 per day | Outside IR35 Java | Spring Boot | Secure Microservices Location: London (MOD site) Working Pattern: 4 days per week onsite Clearance: Current DV Security Clearance required Background: MOD/Defence experience required The Opportunity We're looking for an experienced Back End Developer … experience. Experience with Docker, Kubernetes or other container technologies. Familiarity with CI/CD pipelines and DevSecOps practices. Experience developing secure, scalable and maintainable backend services. Desirable Experience Experience with Camunda 8, Zeebe, BPMN or other workflow orchestration platforms. OpenSearch or Elasticsearch. MongoDB, Microsoft SQL Server, Amazon ...

At Mustard Systems, we leverage statistical modeling to dive into sports events and help us make informed predictions about future outcomes. By utilising our unique datasets, advanced statistical models, and custom-built software, we strive ...

Milan, Edinburgh and Madrid. Now is a brilliant time to join us and help shape the future of travel. Introducing the Trainline Cloud Native Developer Experience Team At Trainline, we're evolving the platform that powers millions of journeys across Europe. As part of our Cloud Native Acceleration Programme … modernising our backend services to create a more scalable, resilient and efficient engineering platform. This programme is about more than migrating workloads. It's an opportunity to redefine how .NET services are built, deployed and operated, helping teams deliver faster while improving reliability and reducing operational complexity. ...

Location: London, UK - 5 days a week onsite I'm partnered with a leading global financial institution that is looking to hire a Backend Developer with Java/Kotlin expertise as a de facto Founding Engineer to help launch a greenfield initiative. This is an opportunity to join … best practices across the development lifecycle. Ideal opportunity for an engineer who wants genuine 0→1 ownership. What We're Looking For Strong backend engineering experience with Java and/or Kotlin, building production-grade systems. Proven experience working at significant scale , building platforms used by a large number ...

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 ...