1 to 25 of 33 Backend Developer Jobs in London

Backend Developer/Software Engineer (Go/Node Pub/Sub) Remote/Hybrid to 120k + EquityAre 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 ...

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 ...

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 ...

Backend Developer (.NET C#) page is loaded## Backend Developer (.NET C#)locations: UK-Londontime type: Full timeposted on: Posted Todayjob requisition id: R2025-243428**TransPerfect Is More Than Just a Job...** Our greatest asset is our people, and nothing is more important to us than ensuring … testing* Work closely with users to provide personalized software support as needed* Stay updated on emerging technologies and industry trends to continuously improve our backend infrastructure* Document application support and operational procedures* Mentor junior engineers and provide technical guidance to foster their growth and development**The minimum ...

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 ...

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 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 DeveloperCyprus – 10% Tax RateRelocation possible, must have EU Passwort as no sponsorhsip available. Quant Capital is urgently looking for a 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 … 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# 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 ...

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 ...

Basic information Location Bristol, Cambridge, London, Manchester Business Line Technology & Transformation Job Type Permanent/FTC Date published 28-Aug-2026 Req # 24471 Job description Connect to your IndustryDo you want to be at ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Job Reference: 00000154-1Date Posted: 26 October 2022Recruiter: Nanotek LtdLocation: RemoteRemote Working: 100% remote working possibleSalary: 50,000 to 60,000Sector: I.T.Job Type: PermanentDuration: PermWork Hours: Full TimeContact: Jim WalshEmail: careers@nanotekltd.co.ukApply for this ...

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 ...

Barcelona, 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.As a Senior ...