1 to 25 of 26 Backend Developer Jobs in London

Backend Developer Location: Heathrow Hours: 9am-5:30pm Salary: £30,000 - £40,000 Job Overview The Digital Promotion (Backend) Developer is based at Head Office, London Heathrow, and reports directly to the Digital Promotion Manager. The role is responsible for the design, development, and maintenance … software solutions that support the company's digital operations and internal business systems. Working closely with the IT Analyst and business stakeholders, the Developer builds reliable, scalable applications and automation workflows that drive operational efficiency across the organisation. The role requires strong technical skills across Python, JavaScript ...

Backend Developer (Azure) — 3 Month Remote Contract Outside IR35 Rate: £420–£475 per day We’re looking for an experienced Azure Backend Developer to join a digital healthcare platform team on an initial 3-month contract, outside IR35. This is a hands-on role working … mature Azure-based backend platform, with responsibility across the full software lifecycle - from design and development through to testing, deployment and production support. You’ll be working with C#, .NET, Azure Functions, Azure SQL, Azure Service Bus, Azure API Management and Azure DevOps, contributing to a platform that supports ...

Senior Backend Engineer Location: London Full Time - 40 hours pw Rate: £700 - £800 Duration: 6 months Hybrid - 2-3 days in London offer OR 100% remote Work supporting our new generation of games. You will challenge and refine our way of working with internal technology. YOUR ROLE … Java Backend Developer you will be a part of a team with the mission to build and maintain technology to support the studio in creating our new games. This includes integrating with existing tech, developing new creative solutions for our games, investigating problems reported by the game teams ...

Senior Typescript Backend Developer Location : London Role Type: Permanent Work Setup : Hybrid - 3 days in the office Who We Are Vanguard is a global investment firm known for low-cost funds and ETFs, helping investors achieve long-term financial goals with transparent, disciplined strategies. What ...

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 FX in both … 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.One of the second ...

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 Framework Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website … 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 platform ...

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 platform ...

Backend C# Developer Cyprus – 10% Tax Rate Quant Capital is urgently looking for a C# to join our high profile client. Our client is a $10 billion strong Hedge fund with performance figures of 18%. You will be joining a cutting edge technology for a top quantitative … Degree in science/computing/numerate/engineering field. Strong understanding of software development in C# or Java and object oriented programming Strong Backend experience Strong understanding of database development, ideally with SQL Server, T-SQL stored procedures, functions, indexes and query optimization. Experience ...

Backend C# Developer- Quant Fund200,000 Plus Bonus4 days in the office – some room for negotiationQuant Capital is urgently looking for a Senior Backend C# Developer to join our high profile client.Our client is a $5 billion strong systematic quant commodity trading fund with excellent recent … have a deep understanding of code not just the ability to read the language, expectations are high so if you are not a serious developer, don’t waste your time.My client is based in LondonC# Winforms, Quant Fund, Developer, .NET, SQL VBA VS 2010 Visual studio ...

Basic information Location Bristol, Cambridge, London, Manchester Business Line Technology & Transformation Job Type Permanent/FTC Date published 13-Aug-2026 Req # 24471 Job description Connect to your IndustryDo you want to be at ...

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 ...

trading systems that process high volumes of transactions in real time.Although the team primarily develops in C#, they are very open to experienced Java backend engineers looking to transition into .NET.What you'll be doingBuilding high performance backend trading applicationsDesigning scalable distributed systemsDeveloping APIs and backend servicesWorking ...

oversee highly scalable, secure web applications, services, and APIs, ensuring high performance and reliability.Champion AI-native development workflows, integrating AI coding agents to improve developer velocity, code quality, and maintainability across the team.Partner with Product Managers and stakeholders to shape the technical roadmap, translating complex requirements into elegant ...

Commerce Cloud (Hybris) Excellent understanding of Spring Framework especially MVC, Security, Integration Java 8+ Git and Gitflow Flexible Search Impex SAP Commerce Cloud Developer qualification Atlassian toolset (Jira/Confluence/Bitbucket) Experience working on a site that is deployed to SAP Commerce Cloud v2 Understanding of http protocol ...

media clients is looking for a Senior NetSuite Developer to support a wider NetSuite ERP implementation. Role: Senior NetSuite Developer (Procure-to-Pay) Location: Hybrid with 2-3 days a week in Central London Contract: Initial 3 months (Outside IR35) Day Rate: £540-£640pd Outside IR35 Start: ASAP … experienced technical specialist who can translate solution designs into scalable, production-ready outcomes. Role We are supporting the appointment of a Senior NetSuite Developer to lead the delivery of Back End automation, integration development, and payment processing capabilities across the Procure-to-Pay landscape. This is a highly technical ...

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 ...

site)Working Pattern4 days per week onsiteClearanceCurrent DV Security Clearance requiredBackgroundMOD/Defence experience requiredThe OpportunityWe're looking for an experienced Back End Developer to help build the core services behind a next-generation Defence Intelligence platform. You'll develop secure, scalable microservices and APIs that support mission-critical … NoSQL database 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 ExperienceExperience with Camunda 8, Zeebe, BPMN or other workflow orchestration platforms.OpenSearch or Elasticsearch.MongoDB, Microsoft SQL Server, Amazon RDS or hybrid data architectures.AWS, MODCloud, Tanzu ...

regression testingWork closely with users to provide personalized software support as neededStay updated on emerging technologies and industry trends to continuously improve our backend infrastructureDocument application support and operational proceduresMentor junior engineers and provide technical guidance to foster their growth and developmentThe minimum we’re looking for (show ...

growth in the UK and Europe, now is the perfect time to join us on this high-speed journey. 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.As a Senior ...

Backend C# DeveloperCyprus – 10% Tax RateQuant Capital is urgently looking for a C# to join our high profile client.Our client is a $10 billion strong Hedge fund with performance figures of 18%.You will be joining a cutting edge technology for a top quantitative Investment Manager. Success is founded … MUST have:Degree in science/computing/numerate/engineering field.Strong understanding of software development in C# or Java and object oriented programmingStrong Backend experienceStrong understanding of database development, ideally with SQL Server, T-SQL stored procedures, functions, indexes and query optimization.Experience in the use of both Windows ...

Backend C# DeveloperCyprusUp to 70,000Quant Capital is urgently looking for a C# to join our high profile client.Our client is a $10 billion strong Hedge fund with performance figures of 18%.You will be joining a cutting edge technology for a top quantitative Investment Manager. Success is founded … Degree in science/computing/numerate/engineering field.§ Strong understanding of software development in C# or Java and object oriented programming§ Strong Backend experience§ Strong understanding of database development, ideally with SQL Server, T-SQL stored procedures, functions, indexes and query optimization§ Experience ...

Join a team of superheroes! Teamtailor is an Employer Branding & ATS SaaS platform used by over 3.000 companies ð, 110.000 usersðoð» in 90 countries around the world Working at Teamtailor means working at a young ...

Back End Developer (Node.js) Senior Software Engineer – Pricing & Inventory (Node/TypeScript) Contract: 6 months initially Rate: Up to £420 per day, Outside IR35 Location: Can be worked fully remote We’re supporting a high-traffic global e-commerce platform in its search for a Senior Software Engineer ...

Software DeveloperCyprus65,000 + relocation packageQuant Capital is urgently looking for a Software Developer to join our high profile client.Our client is a $10 billion strong Hedge fund with performance figures of 18%.You will be joining a cutting edge technology for a top quantitative Investment Manager. Success ...