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The role involves the design and development of backend services and infrastructure for Machine Learning workloads.

As a Senior Engineer you will play a critical role in the development and maintenance of the backend aspects of the pricing system for our sportsbook and work alongside our quantitative analysts to deliver our in-house pricing solution. This position will be able to come in and have a lot of ownersh

Compensation: Competitive, based on location and experience .Location: UK or Turkey (Hybrid – Office & Remote).Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale.Keepnet runs

Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS. Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS. They've completed Series A funding, raising $29 million across three funding rounds, and are now seeking a Senior Backend Engineer.

Backend Developer Romsey, Hampshire (Hybrid - 3 days office / 2 remote, flexible)£45,000 - £50,000 + BenefitsOOP, PHP, LaravelMy client build innovative SaaS solutions that help organisations monitor, manage, and optimise critical infrastructure.

Software Architect Java - BackEnd, Back End Google Cloud (GCP).

Ideal candidates will have 5+ years of backend experience, a proven track record in API development, and strong Rust programming skills.

End-to-end development of backend software components (research, design, development, testing, rollout, monitoring). Analyzing and improving efficiency, scalability, and stability of various backend system components. Backend Engineering in a high-level programming language (e.

A leading aviation company in Greater London seeks a Software Engineer to design, develop, and optimize backend and frontend systems.

As a Senior Backend Software Engineer in the Core Team, you’ll play a critical role in engineering the backbone of our payment platform.

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board.Our product suite can adapt to the needs of diverse industries and use cases within one powerful platform, empowering ~245,000 customers worldwide to reimagine how work gets done, drive greater efficienc

A financial technology company in Greater London seeks a generalist developer to contribute to various projects.The role involves building and maintaining client libraries for APIs across multiple languages like PHP and Ruby, working on identity-checking systems, and developing internal services for

A tech consultancy is seeking a hands-on Python Developer for a contract role in Dacorum.You will be involved in building and maintaining Python-based back-end services, developing web applications with frameworks like Flask or Django, and supporting legacy system modernization.A proactive problem s

We’re on a mission to make money work for everyone.We’re waving goodbye to the complicated and confusing ways of traditional banking.With our hot coral cards and get-paid-early feature, combined with financial education on social media and our award winning customer service, we have a long histo

A fintech startup in London seeks a Backend Developer to create AI-powered product capabilities and scalable backend architecture. Ideal candidates will have 3–4 years of experience in backend development, particularly with Java and Spring Boot.

They are looking for a Senior Backend Developer who will own the infrastructure powering data pipelines, APIs, real-time delivery, and the databases underneath. Own architecture decisions for the company's backend systems. Backend : Typescript,EVM and integration patterns.

A cutting-edge technology firm is seeking a hands-on leader for backend and data engineering in London.

In this role, you will lead the development of core backend systems and build web applications and APIs while also supporting frontend tasks using frameworks like Vue.

A leading financial technology company based in the UK is seeking a backend engineer to join its newly-formed Acquiring Platform team. Ideal candidates will have strong backend programming skills, a knack for designing APIs, and the ability to work collaboratively in a dynamic environment.

A high-growth B2B SaaS company in the United Kingdom seeks a Software Development Manager to lead a team of about 8 engineers.In this non-coding but highly technical position, you will drive engineering best practices, improve team performance, and support critical technical decisions.The ideal cand

Build AI‑powered product capabilities: Design and develop backend systems powering Vega’s AI‑enabled platform, including LLM‑driven workflows, intelligent automation, and agentic systems. Develop scalable backend architecture: Build and evolve microservices using Java and Spring Boot to supp

In this role, you will design and build high-performance backend services, leveraging your skills in Rust and PostgreSQL to contribute to critical financial infrastructure.

We are looking for a generalist developer to join our team to help build out systems & handle user growth.You’ll have the opportunity to contribute to different areas of the code-base and choose which projects interest you.Our service is built on Ruby on Rails, but particular experience is not a p

Has 5+ years of professional backend experience with strong computer science fundamentals in data structures, algorithms, and software design patterns.

The successful candidate will own backend system architecture and ensure scalable and secure design.

You’ll be UK or EU based and you’ll be working in a team of backend engineers across MPG. We deliver, deploy and help integrate backend services alongside external co-dev clients as part of industry leading game projects, and collaborate to define solutions and implement features on time and to

As a Senior Software Engineer, Backend at Fanalysis, you'll be responsible for building and maintaining the robust backend services that power our football fan platform. Designing, building, and maintaining high-performance backend services and APIs that support our mobile and web applications. Ensu

You will guide backend architecture, ensuring high standards in performance, security, and reliability.

We need senior backend engineers who can take ownership of complex problem spaces, ship production‑grade services, and help us build the engineering foundation for the next generation of onchain payments. This is a Senior Backend Engineer position on the WalletConnect Pay team. The common thread i

A leading tech company in Greater London seeks a Lead Software Development Engineer in Test (SDET) to oversee a small team, drive automation strategies, and enhance testing processes.Candidates must have a minimum of 8 years of experience in test development, strong Java proficiency, and a backgroun

A tech-focused proptech platform in London is seeking a Senior Backend Engineer to design and maintain high-performance APIs and microservices. The ideal candidate has over 5 years of backend experience and a passion for scalable architectures and clean code.

A dynamic technology company in London is seeking a Senior Software Engineer to build and maintain backend services for their football fan platform.

A leading AI solutions provider in Greater London is seeking a Lead Software Engineer to spearhead backend and edge/IoT engineering for high-stakes defence projects.

The ideal candidate will have 6-11 years of experience, strong skills in backend systems and APIs, and a passion for continuous improvement.

As a Senior Backend Engineer at Monzo, you'll take technical ownership of key product areas in one of Europe's leading challenger banks.

The successful candidate will bridge the gap between backend engineering and infrastructure security, implementing robust controls across a complex cloud and blockchain ecosystem. Candidates must be prepared for a live coding exercise focused on backend and systems logic. Engineering Proficiency: Mu

As a Backend Engineer at Monzo, you'll help build one of the UK's fastest-growing digital banks, serving 9M+ customers.

A mission-driven tech scale-up is seeking a Senior Backend Engineer to design, build, and scale their core software platform. This hands-on role involves creating backend services in Python and improving system performance while collaborating with a high-performing team.

A leading gaming company in Greater London is seeking a Lead Engineer for Mobile Games.This role requires over 10 years of experience with commercial game engines, a strong proficiency in both Unity and C#, and a proven record in delivering game-as-a-service architectures.The successful candidate wi

A recruitment agency is looking for a Backend Engineer to work on an exciting greenfield replatforming project for a major retail brand.

A blockchain technology company is looking for a Blockchain Backend Expert to design and develop efficient blockchain technologies for their distributed ledger system.

A scaling Fintech is seeking a TypeScript Developer / Backend Software Engineer to enhance their energy trading platform. You'll engage in backend development using TypeScript, Node, and AWS while contributing to technical discussions.

Senior Software Engineer, Backend Services & APIs. Familiarity with computer science fundamentals and backend development concepts. Senior Software Engineer, Backend Services & APIs.

At Elliptic, we're not just connecting systems — we're building the backend services, integrations, and internal applications that enable our revenue teams to operate at scale. You'll be the engineer behind our commercial technology stack, building the backend systems that pull together product us

A leading blockchain infrastructure company is seeking a Senior Backend Engineer to join their WalletConnect Pay team. In this fully remote position, you will be responsible for designing and maintaining backend services across the payment platform, including payment orchestration and APIs. Ideal ca

A specialist consultancy in the education sector is seeking a Senior Back End/Data Engineer.The role involves building ETL pipelines, designing SQL schemas, and ensuring secure data handling in a modern Azure environment.Ideal candidates will have excellent SQL skills and experience in creating data

Collaborate with engineers, product managers, and other stakeholders.Communicate technical decisions clearly and maintain high engineering standards.ECS, Lambda, Step Functions, API Gateway).Experience managing infrastructure with.

A tech consulting firm seeks a Backend Java Developer in Birmingham to build core backend services for a Data Fabric platform. This role involves working on data governance and performance-oriented backend solutions, ideally in a hybrid environment, offering a salary between £50,000 and £65,000 ba