1 to 25 of 95 Backend Developer Jobs in the UK

Senior Backend Developer Jobs at SILA Linguists Company: SILA Linguists Location: Scotland We are looking for a Senior Backend developer to join SILA Linguists. Our Startup is a Language Service Provider (LSP) which has developed highly advanced and secured solutions. As a Senior developer … will be working across the full development lifecycle, working with our developers' team to provide outstanding solutions. You will help maintain and develop backend services, including our applications and websites. SILA Linguists is searching for experienced Senior Backend Developer to join our team. As a Senior Backend ...

Senior Backend Developer/Developer (Node.js TypeScript Kafka) Remote UK to 80kAre you a backend focussed Software Developer/Engineer looking for an opportunity to take ownership and progress your career at a scaling tech company You could be joining a growing games company that … workingPrivate medical careLife Assurance25 days holiday plus your birthday offImpactful role with excellent career progression as the company scales Your role:As a Senior Backend Developer you'll join the team as they scale the product to support millions of users. You'll design and deliver high-quality ...

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/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 ...

NodeJS Backend Developer 9-Month FTC Salary negotiable DoE Remote Your new role As a NodeJS Backend Developer, you’ll take ownership of delivering backend features from initial design through to production, working as part of a fast-moving Agile SaaS team. You’ll build … another cloud platform, messaging technologies such as Kafka or RabbitMQ, gRPC and OAuth2 would be advantageous. Most importantly, you’ll be a proactive developer who takes ownership, enjoys solving problems and is focused on delivering high-quality, functioning software. In return You’ll join a fast-growing SaaS business ...

Senior .NET Backend Developer Location: York (Hybrid - 2 days per week)Salary: Competitive + BenefitsWe're partnering with an established technology business undergoing a significant platform modernisation programme and are looking to appoint a Senior .NET Backend Developer to play a key role in shaping … help drive technical direction, champion best practice and contribute to the evolution of a high-performing development function. The Role Design, develop and maintain backend services and APIs using C# and modern .NET/ASP.NET Core.Contribute to architectural decisions across backend services, integrations and data.Modernise legacy applications into ...

Senior .NET Backend Developer Location: York (Hybrid - 2 days per week) Salary: Competitive + Benefits We're partnering with an established technology business undergoing a significant platform modernisation programme and are looking to appoint a Senior .NET Backend Developer to play a key role in shaping … help drive technical direction, champion best practice and contribute to the evolution of a high-performing development function. The Role Design, develop and maintain backend services and APIs using C# and modern .NET/ASP.NET Core. Contribute to architectural decisions across backend services, integrations and data. Modernise legacy ...

backend developer who's just as comfortable in a Kubernetes cluster as you are in a PHP codebase, and fancies Friday afternoons off? We're looking for a Senior Backend Developer to join our growing digital team, taking on real ownership of our backend systems … rather than reporting up through layers of process. You'll report to our Head of Delivery and work closely with the rest of the backend team, but this is an individual contributor role with no direct reports. If you're comfortable in modern PHP, properly comfortable ...

Cleared Backend Developer - 3 months+ - £(Apply online only)pd Inside IR35 DOE - Remote (UK) Looking for Backend Developers who can independently work on the following activities: Must have experience of Agentic AI development in one of the following frameworks Open AI (Preferred), Anthropic or Copilot Document design … Developers Development experience using Java Writing Unit Tests for delivered tickets Update relevant LLDs Carry out Code reviews on other BE tickets SC Cleared Backend Developer - 3 months+ - £(Apply online only)pd Inside IR35 DOE - Remote (UK) This temporary contract is inside IR35 and will require working under ...

Senior .NET Backend Developer Location: York (Hybrid - 2 days per week) Salary: Competitive + Benefits We're partnering with an established technology business undergoing a significant platform modernisation programme and are looking to appoint a Senior .NET Backend Developer to play a key role in shaping ...

range of solutions in the fields of therapeutic procedures, hospital operations, and life sciences in more than 160 countries and regions. Position Summary The Backend Developer is a hands-on software engineering role within the Digital team, contributing to the delivery of secure, maintainable cloud services and APIs … regulated medical device and data solutions developed within OrganOx quality and software lifecycle processes. Working closely with internal stakeholders and external development partners, the Backend Developer designs, develops, tests, documents, and maintains server-side applications, APIs, databases, and cloud-based services that underpin OrganOx digital products and have ...

Backend Systems Developer - Build the integrations that keep a high-growth digital business moving. Salary: £40,000 - £60,000 Location: Hybrid (3 Days - Runcorn) About the Opportunity We're partnering with an ambitious technology-driven organisation that's investing heavily in its engineering capability. They're looking … experienced Backend Systems Developer to help build and enhance the integrations that sit at the heart of a large-scale digital platform.This is an opportunity to work on business-critical systems where reliability, scalability and performance genuinely matter. You'll be developing the services that connect customer-facing ...

Senior Backend Developer will be responsible for designing and implementing robust and scalable backend systems to support the company's iGaming products and services. About 5 Star iGaming Media 5 Star iGaming Media is a leading agency in the iGaming industry, providing a range of digital marketing ...

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. ...

Optix is modernising a large, established Windows desktop platform into a modern web product. We are looking for a senior .NET backend developer with deep engineering experience, strong architectural judgement and a practical approach to modern development tools. This is a hands-on role with significant responsibility … backend architecture and delivery. You will design .NET services and APIs, turn complex legacy behaviour into maintainable solutions, and help improve engineering practices across the team. What you'll be doing Design and implement complex backend functionality using C# and modern .NET/ASP.NET Core. Make and communicate ...

hiring a hands‐on Backend Developer to build and ship production serverless services for a fintech platform. Languages: TypeScript, Node.js (18–22) AWS: Lambda, DynamoDB, S3, SQS, EventBridge, Step Functions Frameworks/middleware: Serverless Framework, Middy Libraries: Zod (schemas/validation), Winston (logging), AWS X‐Ray (tracing), Luxon … protect releases (Mocha/Sinon), keep quality bars high, and reduce regressions. We’re ready to meet you, if... You have strong hands‐on backend engineering experience in TypeScript/Node.js. You have real AWS production experience — not “used Lambda once”, but built, operated, debugged, and fixed systems ...

BetStarters is seeking a Senior Backend Developer to design and implement robust backend systems powering our iGaming platform. The role focuses on scalable architectures, performance optimisations, and reliable services that underpin real-time gaming experiences. The ideal candidate will contribute to system design, code quality, and collaboration ...

Senior Backend Developer with Umbraco 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 as other internal applications for this award-winning Travel Company. You will be responsible for: Leading the eCommerce … application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways to automate processes working alongside the business ...

Backend Software Engineer Manchester - 2 days in the office 6 Months Contract + Extension £72.00 per hour A global e-commerce product organisation is urgently looking for experienced Backend Engineers to help lay the technical groundwork for scaling global partner connectivity across our travel and attractions ecosystem. … streams, real-time messaging, webhooks, and complex data translations-ensuring seamless communication between external platforms and internal microservices. Responsibilities Architect, deploy, and manage distributed backend microservices powering critical third-party integrations. Create reliable, event-driven data flows to process partner product updates, availability matrices, and transactional notifications. Apply strong ...

Backend Software Engineer Manchester - 2 days in the office 6 Months Contract + Extension £72.00 per hour A global e-commerce product organisation is urgently looking for experienced Backend Engineers to help lay the technical groundwork for scaling global partner connectivity across our travel and attractions ecosystem. … streams, real-time messaging, webhooks, and complex data translations-ensuring seamless communication between external platforms and internal microservices. Responsibilities Architect, deploy, and manage distributed backend microservices powering critical third-party integrations. Create reliable, event-driven data flows to process partner product updates, availability matrices, and transactional notifications. Apply strong ...

Level Backend Developer will be responsible for designing, developing, and maintaining the backend systems that power Stakemate's iGaming platform. About Stakemate Stakemate is a fast-growing iGaming agency based in London with a team of 20 employees. Estimated Benefits Health Insurance Retirement Savings Plan Paid Time ...

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 ...