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.NET Backend Engineer – Data Products & Payments Insights

A dynamic payment solutions company in London is seeking a Software Engineer .NET to shape their payments data into valuable insights. You will design scalable data products and collaborate closely with cross-functional teams. Ideal candidates will have solid experience with .NET and a passion for solving proble ...

Senior Staff Backend Engineer Time API Leader

A leading software company in London seeks a Senior Staff Software Engineer to join their Time engineering team. You will design and maintain high-performance APIs for time tracking and payroll integration. The ideal candidate has over 12 years of software engineering experience, with expertise in backend develo ...

Senior Backend Engineer Real Time Trading Systems

A global financial technology company in London is seeking experienced backend and full stack engineers. Candidates should possess strong skills in C++ and ideally have experience with TypeScript. The role involves building high-performance, reliable distributed systems for trading workflows, leading projects, a ...

Backend Product Engineer — Scale & Innovate with Elixir

Join a forward-thinking company as a Backend Engineer, where you'll play a crucial role in shaping the future of complex operations. This position involves developing and maintaining backend systems that ensure reliable performance at scale. You'll collaborate closely with team members to design innovative featu ...

Backend Engineer: Cloud Native APIs & Microservices (Remote)

A dynamic technology company in Greater London is seeking talented engineers to develop APIs and micro-services while using emerging technologies within a collaborative team culture. Responsibilities include designing and optimizing products, as well as taking ownership of project lifecycles from conception to p ...

Mid Level Rails Backend Engineer – Scale Subscriptions

A growing tech company in the UK is seeking a Mid-Level Backend Engineer to join their ambitious team. The role involves building and maintaining backend services with Ruby on Rails, collaborating cross-functionally, and ensuring performance and scalability of systems. Ideal candidates will have 2–4 years of exp ...

Senior Go Backend Engineer — Remote, Fintech Platform

A leading fintech firm in London is seeking an experienced backend engineer to join their growing team. The ideal candidate will have a strong background in Go development and a DevOps mentality. This role offers a competitive salary, employee share options, and the flexibility to work fully remote. Join a pione ...

Staff Backend Engineer (TypeScript/node.js) Flourish Platform

Job Description Job Description Join the team redefining how the world experiences design. Hey, g'day, mabuhay, kia ora, 你好, hallo, vítejte! Thanks for stopping by. We know job hunting can be a little time consuming and you're probably keen to find ou ...

Backend Python Engineer: AI powered Patent Platform

A leading AI-first patent research platform in the UK seeks a software engineer to develop core features and collaborate with senior engineers. Candidates should have over 2 years of engineering experience, strong Python skills, and familiarity with Django. This position requires working onsite three days per we ...

Senior Backend Engineer – Build Scalable Fintech Platforms

A leading fintech company is seeking a Senior Engineer to join their team. This position offers a salary range of £95,000 to £130,000, with benefits including flexible working options and a £1,000 learning budget. As a backend engineer, you will collaborate with cross-functional teams to build resilient solution ...

Senior Backend Engineer (EU/US/Canada Remote)

Location Remote from East Coast USA or Europe About Xata Xata is the modern Postgres platform that helps engineering teams ship faster with instant database branches, anonymized production‑like data, and zero‑downtime schema changes. We connect directly to your existing ...

Senior Backend Engineer Personalization & LLM Driven Music

Spotify is seeking a backend engineer to join the Personalization team in Greater London, UK. You will design and build backend systems powering music fulfilment experiences and collaborate with various teams to introduce innovative features. Ideal candidates should have strong backend engineering experience, in ...

Hybrid Go Backend Engineer – Microservices, Scale & Impact

Wheely is looking for a Mid/Senior Backend Engineer to join our Platform team in Greater London. This role focuses on developing scalable solutions primarily in Go, with responsibilities including the creation of new microservices and the migration from legacy services. We offer a competitive salary of £90,000 – ...

Senior Backend Engineer (Node/TypeScript) – High Impact

A major financial services group in the UK seeks a Senior Backend Engineer to join their engineering team. The ideal candidate will have over 3 years of backend development experience, particularly with Node or JVM frameworks. Responsibilities include delivering high-quality software, mentoring junior engineers, ...

Senior Backend Engineer (Node) — React Native & Cloud

A leading financial services group in the UK is seeking a Senior Backend Engineer to join their team. This role requires expertise in React Native and involves delivering high-quality features, resolving bugs, and addressing technical debt. The ideal candidate will have at least 3 years of experience in backend ...

Full Stack Engineer — AI Driven Backend Focus

Story Terrace Inc. is seeking a Full Stack Engineer in Greater London to help build and scale their platform. The role requires strong backend engineering skills and experience with API integration, alongside front-end development using TypeScript and relevant technologies like GCP and Docker. Benefits include 2 ...

Senior Backend Engineer for Voice AI & Personalization

A leading audio streaming service based in London is seeking to hire a backend engineer in the Personalization team. This role involves designing and operating backend services that power voice experiences. The ideal candidate will have strong experience with large-scale distributed systems, preferably in Python ...

Senior Backend Engineer (Node) – Build scalable services

Legal & General is seeking a Senior Backend Engineer in Greater London to join their engineering team. The role involves delivering high-quality features, resolving technical debt, and mentoring junior engineers. Candidates must have at least 3 years of experience in backend development, strong knowledge of arch ...

Senior Backend Engineer for DAG‑Driven Orchestration

Jack and Jill AI is seeking a Senior Backend Engineer to design an orchestration layer for deploying autonomous technology in heavy industries. You will build integrations using Python and FastAPI, ensuring platform reliability through CI/CD pipelines. This role offers a chance to directly influence the architec ...

Lisbon Onsite Backend QA Engineer | Relocation Support

A tech company in Lisbon is looking for a Backend QA Engineer to ensure the reliability and performance of backend systems. This fully onsite position involves collaborating with cross-functional teams and contributing to a high-quality standard in testing APIs and databases. Candidates should have 2–3 years of ...

Senior Backend Engineer Kotlin, API First, Hybrid

A leading cleantech company in Greater London is seeking a motivated software engineer to enhance their backend infrastructure. You will contribute to the development of API-first products using Kotlin, collaborate with various teams, and mentor junior developers. Ideal candidates should have commercial experien ...

Senior Kotlin Backend Engineer, Analytics Platform (Equity)

An innovative tech company in the United Kingdom seeks a Senior Backend Engineer to architect and build scalable data systems. The ideal candidate will design distributed analytics infrastructure using AWS and Kotlin, transforming complex datasets into actionable insights supporting billion-dollar risk decisions ...

Senior Node.js Backend Engineer — Product & Scale Impact

A leading tech company in Greater London is seeking a Senior Software Engineer to drive the evolution of their product and engineering capabilities. You will lead major project decisions, work on core features, and ensure system scalability. The ideal candidate possesses strong backend development skills, partic ...

Senior Backend Engineer Health Data Platform & APIs

A technology company focused on health data is seeking an experienced backend engineer to own and ship core platform systems. The candidate will design and implement solutions for ingesting and normalizing health data from various sources, manage APIs, and ensure the platform's reliability and security. Proficie ...

Backend Software Engineer I Remote & Flexible Schedule

A leading travel tech company is seeking a backend-focused full-stack engineer to tackle diverse technical challenges in their London or Oxford office. The candidate will work closely with product managers and designers throughout the software design process, enjoying regular code releases and a flexible work cu ...

Golang Search Engineer – Scalable Cloud native Backend

A tech-forward company in Greater London seeks a Search Golang Engineer to architect scalable AI-powered search systems. You'll build backend services in Golang, ensuring reliability and efficiency for millions of queries. Required is experience in developing scalable services, knowledge of distributed systems, ...

Hybrid Backend Engineer (Mid Level) TS/Node

A leading vehicle transaction platform in Greater London is seeking skilled Backend Engineers to join their expanding engineering team. The role involves developing new features, collaborating with cross-functional teams, and improving their platform. Successful candidates will have solid experience in Typescrip ...

Senior Backend Engineer Casino UX at Midnite

Job Title: Senior Backend Engineer - Casino UX Company Description: Midnite - Series C betting platform backed by $75M+ from Raine Group and Makers Fund. Join the Casino UX team to build the high-concurrency backend systems powering a modern betting experience. You will desi ...

Senior ML Compiler Engineer TPU Backend Lead

A pioneering tech company in Greater London is seeking a Senior Compiler Engineer to design and implement the ML backend for next-generation Optical Tensor Processing Units. The ideal candidate will have over 5 years of experience in software engineering with a deep focus on C/C++ and optimisation techniques for ...

AI First BackEnd Developers and... err, cats.

Back-End Developer – Responsibilities The Back-End Developer will work for a fast-paced startup in Central London. The Back-End Developer will enjoy hybrid working. The Back-End Developer will design and build robust server-side applications using .NET and C#. ...

Senior Backend Engineer – PHP/Symfony & API Architect

A dynamic technology company in Greater London is looking for a motivated mid/senior Backend Engineer to enhance their PHP and Node.js applications. This role focuses on driving technology strategies, developing a robust cloud-based content management platform, and ensuring high-quality code through testing prac ...

Financial Backend Engineer (Rust/Python) on AWS

A financial technology firm in London is seeking a financial software engineer to join their back-end team. This role involves designing and implementing systems for their award-winning platform. Candidates should have strong programming skills in Rust and Python, a degree in a relevant field, and an interest in ...

Remote Senior Backend Engineer Real Time MMORPG

A cutting-edge indie game studio is seeking a backend engineer to help scale their innovative MMORPG's infrastructure. This role involves managing a complex system of microservices on Google Kubernetes Engine, tackling real-time challenges in multiplayer gameplay. Ideal candidates will have hands-on experience w ...

Senior Backend Engineer – Rates & FX (Cloud Native)

A leading financial services provider in London is looking for a Senior Software Engineer to join their team. This role involves developing cloud-native solutions within an Agile framework and providing support and mentoring to team members. The ideal candidate will have extensive experience in .NET and API deve ...

Senior Staff Backend Engineer Lead Scalable Systems

A leading financial technology company in the UK is seeking a Senior Staff Engineer to guide technical direction across multiple squads. This role involves hands-on involvement in coding and architecture, mentoring engineers, and driving improvements in quality and scalability. Candidates should be skilled in le ...

Staff Backend Engineer, Lending Platform Scale & Impact

A leading fintech company is seeking a Staff Software Engineer to architect and implement large-scale systems for credit solutions. The ideal candidate has 6+ years of software engineering experience, with at least 2 years in a leadership role. You will design robust services and maintain high standards of techn ...

Technical Product Manager – Payments & Trading Ops (Backend)

A leading financial services firm in Greater London is looking for a Technical Product Manager to oversee critical operations like trading and payments. You will be responsible for defining and delivering your product roadmap while liaising with various stakeholders. The ideal candidate will have a technical bac ...

Technical Product Manager – Payments & Trading Ops (Backend)

A leading financial services firm is seeking a Technical Product Manager to take ownership of internal operations and manage key stakeholders. The ideal candidate has a technical background, product management experience in financial services, and is skilled in agile methodologies. You will work collaboratively ...

Senior Backend Engineer | Mimir OSS | UK | Remote

Overview Grafana Labs is a remote-first company offering Grafana, an open-source visualization tool used globally. The role focuses on the Grafana Mimir OSS project and Grafana Cloud Metrics, operating across major cloud providers. This is a remote opportunity; applicants based in Spain, Germany, ...

Mid Senior Backend Engineer AdExchange (Inventory & Enrichment)

Overview We’re looking for a Mid-Senior Backend Engineer - AdExchange (Inventory & Enrichment) to join our tech team and help build the future of neuro-contextual advertising at global scale. At Seedtag, our mission is to transform advertising by proving that effectiveness and user privac ...

Backend Engineer: Fast Growth, AI Driven, Hybrid

Zego is searching for a Backend Engineer to join their innovative team in Greater London. This role is ideal for someone early in their career who wants to grow rapidly. You will build, test, and ship backend services that substantially impact users. The ideal candidate will have a growth mindset and curiosity a ...

Senior Rust Backend Engineer: Build Secure, Scalable

Affinidi Group is seeking a Senior Software Engineer (Backend) with strong experience in Rust to develop secure, scalable backend systems for the Affinidi Elements platform. The ideal candidate will have deep knowledge of TypeScript and Rust, experience with AWS, and a proven ability to solve performance challen ...

Remote Backend Engineer, AdExchange — High Throughput AI

Seedtag is looking for a Mid-Senior Backend Engineer to join our AdExchange Engineering Team in Greater London. In this role, you will manage inventory and enrich bids with contextual data using technologies like Node.js and TypeScript. You will be responsible for making key technical decisions and ensuring the ...

Backend Engineer — Industrial AI & Edge Cloud Platform

MATTA in Greater London is looking for a skilled Backend Engineer to contribute to their innovative industrial AI initiatives. The role involves designing and scaling backend systems that manage real-time data for manufacturing processes. Ideal candidates should have at least 3 years of experience, proficiency w ...

Technical Product Manager – Payments & Trading Ops (Backend)

A leading global financial services firm in Greater London is looking for a Technical Product Manager to take ownership of internal operations such as payments and client management. The ideal candidate will possess a strong technical background and experience in Financial Services, particularly in wealth manage ...

Senior Python Backend Engineer Remote iGaming APIs

Burns Sheehan is seeking a Senior Software Engineer to join a rapidly scaling iGaming platform as a technical anchor for the backend team. This remote-first position requires strong backend engineering experience, particularly in Python, along with a proven ability in building production-grade APIs. The role inv ...

Senior TypeScript/Node.js Backend Engineer — AWS & GraphQL

Houseful is seeking a passionate Software Engineer to join their team in London. The role involves developing critical backend services using TypeScript, Node.js, and Apollo GraphQL. Ideal candidates should have a strong background in modern API development, experience in distributed systems, and a solid underst ...

Lead Software Engineer Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of cust ...

Software Engineer III Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of cust ...

Software Engineer (100% Backend, Python & AWS)

Software Engineer (100% Backend, Python & AWS)London (On-site, London Farringdon)Full-time, salary: £60,000-80,000Job SummaryAre you passionate about architecting the data and applicati ...

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