1 to 25 of 111 Backend Developer Jobs

Senior Backend Developer

Location
Glasgow, Scotland, United Kingdom
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 ...

Backend Developer (Python)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day Inside IR35
Backend Developer (Python) 6 Months London (Hybrid) £(Apply online only) per day (Inside IR35) ***Please note - The selected candidate MUST HAVE strong Banking Experience to be considered for this position*** My client, a tier 1 bank, looking for an experienced Backend Developer to join a high … performing engineering team within a global financial services environment. The role focuses on building, modernising and supporting highly distributed, business-critical backend systems. Key Requirements Strong Python backend development Advanced SQL/database development Microservices and event-driven architecture Kafka and/or Tibco TDD and automated testing ...

Senior Java backend Developer

Hiring Organisation
KnackHook LLC
Location
Texas, United States
Employment Type
Any
Salary
USD Annual
Java Backend Developer contract Santa Clara, CA/Dallas, TX. Hybrid position We are looking for a Java Backend Developer for our client in Santa Clara, CA. Looking for banking/financial experience Techstack- React Spring, Spring boot, Rest Api, spring security, ES, Oracle/Postgress ...

Senior .NET Backend Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
York, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
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 - Typescript/AWS/Serverless - 1 day a week Manchester

Hiring Organisation
Methods Business and Digital Technology Limited
Location
Manchester, Lancashire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 35 Annual
Backend Developer - Typescript/AWS/Serverless Our Gov client are looking for a team of Backend Developers to join a huge public facing project that is used by thousands of citizens throughout the UK. This role is due to start on 5th October. Backend Developer: Essential skills for Backend Developers include Serverless architecture, Typescript, AWS and AWS Lambda. The client uses a mixture of Infrastructure as code tools: AWS CDK and to a lesser extend Terraform. The clients primary database technology is DynamoDB. The client uses the following CI/CD pipelines: Github ...

Senior Backend Developer

Location
United Kingdom
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 ...

Senior .NET Backend Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
York, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
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 ...

Backend Developer

Location
Oxford, England, United Kingdom
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 ...

Middleweight Backend Developer

Location
Nottingham, England, United Kingdom
Nzime are looking for a talented Backend Developer with a passion for PHP, custom integrations, working with API’s, AI, third party systems and producing performant, standards compliant code. Do you thrive in a fast-paced agency environment and love keeping up with the latest technological advances, including … want to hear from you! We are a busy, dynamic digital agency looking for an enthusiastic and capable developer to join our team. You'll be instrumental in building and maintaining high-quality web solutions for our diverse client base. Key Responsibilities The successful candidate will be responsible ...

Senior Backend Developer

Hiring Organisation
Rullion Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£700 - £800 per day
Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels … 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 ...

Senior Backend Developer

Hiring Organisation
Protein Works
Location
Liverpool, Merseyside, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Join Protein Works as our Senior Backend Developer, and build a greenfield, cloud-native platform from the ground up using Go and modern microservices architecture. About the role The Protein Works is a UK direct-to-consumer sports nutrition brand. We develop and manufacture our own products, sell … business teams, write ADRs, contribute to golden-path templates/standards, and translate business needs into technical execution. What you will bring Essential Backend & Architecture: 5+ years of backend development (Go, Java, C#, or PHP with a focus/openness to Go) with strong CS/software engineering ...

Senior Backend Developer

Hiring Organisation
Rullion Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 800 Daily
Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels ...

Remote Software Developer (Backend)

Location
Greater London, England, United Kingdom
About the Role Our client is actively seeking a talented and experienced Remote Software Developer (Backend) to join their engineering team. This role is focused on designing, developing, and maintaining robust, scalable, and high-performance backend systems and APIs that power their innovative applications. You will work … capacity, collaborating with a distributed team of engineers, product managers, and designers to deliver exceptional software solutions. This is an ideal opportunity for a backend specialist who is passionate about building efficient and reliable server-side logic and thrives in a flexible, remote work environment. Key Responsibilities Design, develop ...

Senior Backend Developer

Location
Manchester, England, United Kingdom
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 ...

Senior Backend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, Farringdon, United Kingdom
Employment Type
Contract
Rate: TBC Join a dynamic energy provider dedicated to delivering sustainable solutions across the UK. We are looking for an enthusiastic and resourceful Senior Backend Developer who is passionate about building exceptional products and developing robust, scalable solutions. This is an initial 6-month contract, with potential … role is full-time, 37 hours per week, with one day per week onsite in London. Accountabilities Play a pivotal role within the backend engineering team, helping to build cloud-based applications. Develop backend solutions using Python and AWS Cloud services. Adopt a serverless-first approach to application ...

C# Backend Developer - Hedge Fund

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
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. ...

Senior Backend Developer

Location
Liverpool, England, United Kingdom
Posted Thursday, 27 August 2026 at 00:00 We’re looking for a Senior Backend Developer who enjoys solving complex problems and building systems that scale. You’ll be part of a tight-knit, cross-functional squad that owns its products from idea to production. You’ll have … technical decisions, the space to experiment, and the support to keep developing your skills. We’ll encourage you to grow into a T-shaped developer, with opportunities to get involved in architecture, DevOps and other areas of development. We work together in our Liverpool HQ three days a week ...

Backend Developer

Location
Greater London, England, United Kingdom
ethical AI and privacy (GDPR compliance) make it a user‐friendly yet enterprise‐grade solution. About the Role We are looking for a Backend Developer who can independently manage, maintain, and evolve Fogsphere’s microservices codebase and proprietary libraries. You will be responsible for implementing new product features … maintaining and writing database migration scripts, identifying and fixing bugs autonomously, and ensuring high-quality, reliable backend services across our platform. This role requires strong ownership, hands‐on problem‐solving, and the ability to work within a distributed, cloud‐native environment. Key Responsibilities Develop, maintain, and optimize backend ...

Software Developer – Backend API Services

Location
West of England, England, United Kingdom
Software Developer – Backend API Services Department: Dev & Engineering Employment Type: Full Time Location: United Kingdom Description About Intermedia: Intermedia has established itself as a leading provider of cloud communications and collaboration tech that allows companies to connect better. We have a strong track record of growth, profitability … primarily remote, this role requires occasional visits to the Bristol office or London. The Engineer is responsible for designing and developing API and database backend services. The successful candidate will be someone who enjoys solving complex problems with pragmatic solutions, who likes reverse engineering as much as implementing ...

Senior .NET Backend Developer

Location
York and North Yorkshire, England, United Kingdom
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 ...

Senior Backend Developer — Scalable iGaming Platform

Location
United Kingdom
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 ...

Software Engineer - Backend Developer

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£70 - £72 per hour
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 ...

Mid-Level Backend Developer

Location
Greater London, England, United Kingdom
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 ...

Backend Developer

Location
Liverpool, England, United Kingdom
Posted Thursday, 27 August 2026 at 00:00 We’re looking for a Backend Developer who’s passionate about building reliable, high-performing systems and wants to keep learning and growing. You’ll join a tight-knit, cross-functional squad that owns its products from idea to delivery … skills in software design, cloud development and modern engineering practices. You’ll also get the opportunity to broaden your experience as a T-shaped developer, exploring areas like architecture, DevOps and product development. We work together in our Liverpool HQ three days a week because we believe collaboration, feedback ...

Backend Java Developer

Location
Greater London, England, United Kingdom
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 ...