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Senior Backend Python Engineer – Scale & Impact (Hybrid, London)

A leading grounds maintenance company is seeking a Senior Backend Developer to join a product-focused engineering team. You will design and build backend applications that support complex workflows. The role combines exciting challenges in a hybrid working environment, fostering professional growth with clear ca ...

Backend Kotlin Engineer Remote, Flexible Hours, Growth

A leading cashless payment solutions firm in the UK is seeking a backend developer proficient in Kotlin. You will build a secure and performant backend while collaborating with teams to enhance user experience. The role offers significant growth opportunities in a supportive startup environment, along with compe ...

Backend Engineer FinTech Data Platform (Python/AWS)

A financial technology company in Greater London is seeking a Python Backend Developer to lead technical projects, mentor junior developers, and develop backend services for their platform. This role involves working with Python, Flask, FastAPI, SQL, and AWS technologies. The ideal candidate will have strong col ...

Backend Engineer (TS/Node) – Cloud & High Impact APIs

Clutch Canada is seeking a talented backend developer to join its team in a fully remote capacity. The role involves designing, developing, and maintaining APIs, focusing on performance, scalability, and alignment with overall product strategy. Ideal candidates will have proven experience in backend development, ...

Backend Engineer (TS/Node) for Scalable APIs & AI Audio

Speechify is looking for a skilled backend developer proficient in TypeScript and Node.js to join their Platform team. The role involves designing and maintaining APIs, optimizing backend services for performance, and collaborating with cross-functional teams on product strategy. They offer a dynamic work enviro ...

Senior Backend Engineer API Driven Finance Platform

A leading technology solutions provider in Greater London is seeking a skilled Backend Developer to lead technical projects and enhance its web applications. This role requires strong expertise in Python, experience with frameworks like Flask and FastAPI, and the ability to deliver APIs effectively. The ideal ca ...

Backend‑First Full Stack Engineer for AI Platform — Equity

Jack & Jill is looking for a Full-Stack Engineer (Back-End Leaning) in London, UK, to join their elite engineering team. You will own backend architecture and build scalable systems for a high-growth AI platform. The role encompasses designing robust backend systems, maintaining API infrastructure, and making ar ...

Platform Backend Engineer Remote, High Impact AI Audio

Clutch Canada is seeking a backend developer to join their remote team. The role involves designing and maintaining robust APIs, collaborating on B2B solutions, and ensuring optimal performance of backend services. Ideal candidates will have proven experience in TS/Node, direct experience with GCP, and familiari ...

Remote Python Backend Engineer for AWS SaaS API

Client Server is seeking a Backend Software Engineer/Developer (Python API AWS SaaS) in Scotland. This role involves designing and developing features for a large-scale video platform on AWS. The ideal candidate has strong backend development skills in Python, experience with PostgreSQL, and familiarity with RES ...

PHP Laravel Backend Engineer Hybrid (AWS + SaaS)

SPECTRUM IT is looking for a PHP Developer (Laravel) located in Romsey, Hampshire. In this hybrid role, you will take ownership of backend architecture, improve and evolve existing systems, and design scalable applications with PHP (8) & Laravel. The ideal candidate has 3+ years of backend development experience ...

Senior Software Engineer TRAX

Overview The Trade Automation & Execution group builds the platforms and services that power modern electronic trading at Bloomberg. We design and operate high-performance, distributed, real-time systems used by financial institutions worldwide to execute trades, automate workflows, and make data ...

Generative AI Engineer

Canary Wharf (4 days/week on-site) We are recruiting on behalf of an exciting end client who is building high-impact AI-powered applications that deliver real business value at speed — and they need engineers who think holistically, automate relentlessly, and are fluent in the fast-moving world of ...

Backend Software Engineer C# .Net Core

Get AI-powered advice on this job and more exclusive features. This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Senior ...

Software Engineer Java Mathematics

Software Engineer / Developer (Java Mathematics) WFH / Surbiton to £50kAre you a mathematically minded Software Engineer looking for an opportunity like to progress your career working on complex and interesting systems?You could be joining a global geoscience technology company within ...

Software Engineer Java Mathematics

Software Engineer / Developer (Java Mathematics) WFH / Surbiton to £50kAre you a mathematically minded Software Engineer looking for an opportunity like to progress your career working on complex and interesting systems?You could be joining a global geoscience technology company within ...

Staff Software Engineer Build Provenance & CI/CD Security

A tech company in the United Kingdom is seeking a backend developer to build infrastructure for software supply chain trust and provenance. This role involves designing and building systems that provide complete traceability from source code to deployment, with a focus on large-scale data challenges and ensuring ...

Senior Backend Engineer Remote, End to End Node.js/TS

iO Associates is searching for a Senior Backend Developer to join a rapidly growing tech company, fully remote. In this hands-on role, you'll design and develop high-quality backend features, taking ownership from concept through to production. Ideal candidates will be experts in Node.js and TypeScript, and skil ...

Senior .NET Backend Engineer – AI First SaaS

Keepnet is seeking a Senior Backend Developer to join their AI-driven SaaS platform in the UK. In this role, you will design and build scalable backend services, maintain API integrations, and ensure high code quality practices like Clean Architecture and TDD are followed. With a strong focus on ownership and se ...

PHP Developer

PHP Developer (Laravel) Romsey, Hampshire (Hybrid - 3 days onsite)£45,000 - £50,000 + Benefits Looking for a PHP role where you actually own what you build ? My client is a growing company helping organisations manage and optimise critical infrastructure. With a recent mo ...

Senior Java Engineer

Skills Required Domain- Payments Strong hands‑on Java (modern versions preferred) and microservices design. Experience building services on IKP (or equivalent internal Kubernetes‑based platform). Solid understanding of Service Mesh concepts and implementation ( ...

Java Software Engineer

Job Description Software Engineer (Java) – Associate Manager and Specialist Location London, Bristol, Manchester, Birmingham Salary Competitive salary and package (depending on level of experience) Security Clearance Offer is subject to satisf ...

Principal Java Engineer

Principal Java Engineer Belfast city centre, hybrid (3 days onsite) Up to £90,000 salary We are working with a scaling cybersecurity engineering team led by one of Northern Ireland's most respected technical architects. Their client list reads like a who's who of the Fortune ...

Java Software Engineer

Job Description Software Engineer (Java) – Associate Manager and Specialist Location London, Bristol, Manchester, Birmingham Salary Competitive salary and package (depending on level of experience) Security Clearance Offer is subject to satisf ...

Java Software Engineer

We are seeking a skilled and experienced Senior Java Developer to join our dynamic team. The ideal candidate will have a strong background in modern Java development and hands‑on experience with cloud‑native technologies, CI/CD pipelines, and testing frameworks. The places that you work from day to ...

JAVA L3 Support

LocationLondon, UK, United Kingdom# JAVA L3 Support at N Consulting LtdLocationLondon, UK, United KingdomSalary£300 - £350 /dayJob TypeContractDate PostedMarch 26th, 2026Apply Now**Work mode: Onsite 5 days a week from the office****Contract duration: 6+ months****Location: London, UK**We need below skills for JA ...

Java Software Engineer

Java Software Developer – Sports betting Hedge fund startup - London Please note this role cannot sponsor. Please do not apply if you are seeking sponsorship A couple of Java Software Developers are required for an exciting and innovative Sports betting hedge fund startup based in L ...

Java Software Engineer

## .**About the team:**Our dynamic Agile Teams deliver the technology that facilitates researchers to publish quality scientific research. As a Software Engineer, you will build capabilities to improve the quality of scientific research.**About the role:**As a Software Engineer, you will build capabilities to su ...

Java Software Engineer

About the Job You will be part of a passionate, professional and highly skilled team of developers specializing in agile custom software development and integration at an enterprise scale. Innovation in delivery is a priority, and a variety of Open Source and proprietary technologies are used to a ...

Java Software Engineer

Java Software Engineer Would you like to help create products to support the sharing of scientific knowledge? Do you enjoy collaborating to solve complex technical problems? About the team Our dynamic Agile Teams deliver the technology that facilitates researchers to publish qua ...

Software Engineer (Java)

Software Engineer (Java) (INSIDE IR35) – 14 month contract Remote with occasional travel to the Newport office The Office for National Statistics (ONS) is the UK's largest producer of official statistics, covering a range of key economic, social and demographic topics. These include measuring cha ...

Lead Java Engineer

Join us to shape the future of financial technology and make a meaningful impact on your career. You’ll collaborate with talented professionals, solve complex challenges, and help build trusted market-leading products. We value creativity, inclusion, and continuous learning, offering you the opportunity to ...

Java Software Engineer

Mostly on site in Cheltenham, but some time in Gloucester also. *Please note, that due to the nature of these opportunities candidates must already hold DV level security clearance* BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work co ...

Java Software Engineer

.**About the team:**Our dynamic Agile Teams deliver the technology that facilitates researchers to publish quality scientific research. As a Software Engineer, you will build capabilities to improve the quality of scientific research.**About the role:**As a Software Engineer, you will build capabilities to suppo ...

Java Software Engineer

You’ll be joining a passionate, professional and highly skilled team of developers who specialise in agile custom software development and integration at an enterprise scale. Innovation in delivery is always at the forefront of our minds, which is why we utilise a variety of Open Source and proprietary tec ...

Java Software Engineer

Location : Bristol (hybrid 3 days on site) Company Overview Our client is a globally recognised professional services organisation, delivering technology, consulting, and digital transformation services to some of the UK’s most critical sectors. They work extensively with Central G ...

Java Software Engineer

This range is provided by Venture Up. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Co-Founder Venture Up - Building Tech and Product teams across UK and Europe! Java Software Developer – Sports betting Hedge fund startup - London ...

Java Software Engineer

Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continu ...

Java Software Engineer

World Class Defence Organisation is currently looking to recruit a Java Software Engineer subcontractor on an initial 12 month contract. Rate: £70.00 per hourLocation: Guildford or Newcastle (depending on your preference)Hybrid / Remote working: 2 days per w ...

Java Software Engineer

Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically including no periods of 30 consecutive days or more spent outside of the UK. Note: The above information relates to a specific client requ ...

Contract Java Engineer

We are recruiting for a Contract Senior Java / Kotlin Engineer. On-site: 2dpw in Spitalfields, London Key skills: strong experience in Java or Kotlin (back-end), and comfortable with TDD (test-driven development). Start date: Mid March Who We ...

Java Software Engineer

Experience in Kotlin (or significant Java experience ) Excellent writing skills and attention to detail in code Proactive person who will not wait to be told what to do next or be unblocked by others Experience working with standard developer collaboration Tools: Githu ...

Java Software Engineer

Role Software Engineer (Java) Location London Salary Competitive salary and package (Depending on level of experience) Note Please Note: Any offer of employment is subject to satisfactory BPSS and DVsecurity clearance which typically requires 10 year ...

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