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Principal Backend Engineer — Shape a SaaS Platform

A progressive tech company in Greater London is seeking a Principal Engineer to lead backend development. This role requires expertise in TypeScript and Node.js, and involves owning architectural decisions while mentoring junior engineers. The company values work-life balance with a hybrid model, offering 25 day ...

Remote Senior Backend Architect AI & Crypto Systems

A leading crypto company is looking for a Backend Engineer to architect and ship innovative solutions. You will join a diverse team focused on developing robust backend capabilities that integrate AI functionality within the Kraken platform. Ideal candidates should possess strong expertise in Rust and have a pro ...

Senior Backend Infra Engineer — Scale Data Systems

A leading data-driven software company in Greater London seeks a Software Engineer to build scalable solutions. The role involves designing infrastructure for complex data systems, contributing to open-source projects, and automating deployments. Ideal candidates have 6+ years of experience, strong coding skills ...

Senior Backend & AI Engineer Cloud Native, Hybrid

A leading tech company in Greater London seeks a Senior Full-Stack/AI Engineer to design and build robust backend systems incorporating AI solutions. The role requires expertise in various programming languages and AWS tools, emphasizing technical leadership and client collaboration. Candidates should have hands ...

Senior Backend Engineer Enterprise Platform (Node/TS)

A leading SaaS provider in the UK is seeking a skilled Software Engineer to work on their enterprise platform. You will be responsible for designing and enhancing software, managing project priorities, and collaborating with a dynamic team to impact the next generation of technology. Candidates should have over ...

Senior Backend Engineer, Fintech Payments & Treasury Remote

A leading fintech company in London seeks a Senior / Lead Engineer to build financial products for cross-border payments. You will design the infrastructure for collections and treasury, ensuring robust systems, leading design initiatives, and collaborating with product managers. Experience in backend systems an ...

Backend Product Engineer: Build Scalable Investment Tech

A financial technology firm in London is looking for a Software Engineer to join its Backend Engineering squad. The role involves developing high-quality software and solving complex problems. Ideal candidates will have at least 2 years of experience, strong collaboration skills, and a keen interest in investmen ...

Senior Backend Engineer: AI APIs & Scalable Infra

A leading technology company in Greater London is seeking a Senior Backend Engineer to work on advanced AI systems. The role involves building scalable APIs and improving inference infrastructure while collaborating with AI researchers. The ideal candidate will have strong skills in Python and Go, along with kno ...

Senior Backend Engineer, Data Platform (Hybrid London)

A global software company is seeking an experienced Software Engineer to build and scale their engineering teams in London. This hybrid role involves shaping product architecture and collaborating with talented teams using cutting-edge technologies. Candidates should have 6+ years of experience, a strong portfol ...

Senior Backend Engineer – Scale High Performance Microservices

A leading fintech company based in London seeks a Software Engineer with over 6 years of experience. The role involves architecting scalable microservices and developing automated tests. Proficiency in Golang or Python is essential, and experience in finance is a plus. Candidates will work in a collaborative env ...

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 ...

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, ...

Remote Senior Backend Engineer Python, Fintech Data

Zepz is looking for a Senior Backend Software Engineer to join their Reconciliation Engineering team in the UK. Your expertise in Python and data models will be essential for automating processes and resolving data discrepancies. You’ll work collaboratively with Finance and Data Operations teams to implement cri ...

Senior Backend Engineer, Football Platform (TypeScript + AWS)

A dynamic technology company in London is seeking a Senior Software Engineer to build and maintain backend services for their football fan platform. You'll work alongside the founding team, focusing on designing high-performance APIs and data processing systems. Ideal candidates will have strong TypeScript and N ...

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 ...

Senior Backend Engineer Scalable APIs & Reliable Systems

Omaze is seeking a Software Engineer to join their backend team in the United Kingdom. The role involves enhancing backend systems, engaging in cross-functional collaboration, and mentoring fellow engineers. Ideal candidates will have experience with backend technologies, API and database design, as well as a st ...

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 Orchestration for Autonomous Tech

Jack & Jill is seeking a Senior Backend Engineer to join their innovative team, aimed at building a orchestration platform for autonomous technology deployment. This role requires significant experience with API design and backend systems, particularly in Python and FastAPI. You will have the opportunity to shap ...

API Platform Engineer — Scalable Backend (Rust/C++)

x.ai in Greater London is seeking a backend infrastructure engineer to build the xAI API for developers worldwide. Ideal candidates will have expert knowledge of Rust or C++, experience in designing and maintaining distributed systems, and a strong understanding of observability and reliability. Responsibilities ...

Senior TypeScript Backend Engineer for Scalable Payments

Commercetools in London is hiring a TypeScript backend engineer to design and operate scalable payment systems in a hybrid environment. You will work closely with product management and lead architecture reviews, ensuring technical excellence across teams. Ideal candidates have experience in developing REST APIs ...

Senior Backend Engineer (Go) — Scale Microservices + Remote

Wheely Ltd. is seeking a Mid/Senior Backend Engineer to join their Marketplace team in West London. This role involves writing high-quality code in Go, developing microservices, and ensuring system performance. Candidates should have over 3 years of experience in backend service development and knowledge of rela ...

Lead SDET Backend API & Cloud Automation Architect

JPMorgan Chase & Co. is looking for a Lead Software Development Engineer in Test (SDET) to design and support automated testing frameworks for backend applications. This role involves collaborating with developers and engineers to deliver high-quality products utilizing Python, Docker, and CI/CD pipelines. The i ...

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 ...

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 ...

Senior Backend Engineer — Casino UX (Remote, UK)

A gaming technology company is seeking a Senior Backend Engineer to join their Casino UX team. This remote role involves building and maintaining backend systems, developing APIs, and ensuring high engineering standards. Candidates need 5+ years of experience, strong Python skills, and the ability to work in a f ...

Senior AI Platform Engineer Backend (TS/Node)

Contentful is seeking a Senior AI Software Engineer to innovate with AI Integrations. You will collaborate with product managers and designers to build AI-enabled features, design scalable AI platform features, and implement cutting-edge AI technologies. Ideal candidates will have a strong background in API desi ...

Senior Python Backend Engineer | Hybrid, APIs & Growth

A dynamic tech scale-up in England is looking for Mid and Senior Python Developers to join its back-end team. You will implement scalable solutions, design REST APIs, and ensure code quality in a collaborative setting. This full-time role offers a competitive salary of £60,000 - £80,000, hybrid working options, ...

Senior Backend Engineer — AI Platform & Growth (London)

W Talent is seeking a Senior Backend Engineer in London to enhance our AI platform. In this role, you will design and develop scalable backend services using Python, FastAPI, and Django, while ensuring high performance and security practices. You will have significant autonomy and contribute to architectural dec ...

Senior Backend Product Engineer — Remote AI Startup

Wilson Brown is seeking multiple Software Engineers at mid to staff levels in the UK, with options for fully remote or onsite/hybrid work in London. This role offers a competitive salary of up to £110K and an exciting opportunity to join a rapidly growing startup focused on an innovative AI platform. Ideal candi ...

Remote First Backend Engineer for Scalable APIs

Develop is looking for a Backend Engineer to join their forward-thinking team in the United Kingdom. This role involves designing and optimizing backend systems for a modern cybersecurity platform. You will engage in creating APIs, writing maintainable code, and troubleshooting backend issues. The position suppo ...

Product Tech Lead: Hybrid Python Backend Architect

A technology consulting company in London seeks a Product Technical Lead to drive the development of a complex software product. The role involves leading backend development using advanced Python skills and collaborating with product and design teams. Ideal candidates have a strong software engineering backgrou ...

Staff Backend Engineer Fintech Scale Up (London)

A leading fintech startup in London is looking for a Senior Backend Engineer to join their team. In this hybrid role, you will guide architectural decisions, solve complex technical problems, and mentor junior engineers. The ideal candidate will have over 7 years in backend engineering, strong skills in GoLang, ...

Backend Engineer, RiskOS — Real Time Identity Security

Socure in Greater London is seeking a highly skilled Software Engineer to join their dynamic engineering team. The role involves leading the design, development, and deployment of advanced software solutions, collaborating closely with cross-functional teams, and mentoring junior engineers. Candidates should hav ...

Senior Backend Tech Lead Scalable Microservices, Growth

Marshmallow is seeking a Technical Lead – Backend to lead a cross-functional team in building scalable customer flows and improving existing solutions. Candidates should have 8+ years of software engineering experience, including 2+ years in a lead role, strong expertise in microservices, and a commitment to men ...

Senior Backend Engineer — AI Powered Microservices & LLMs

Weekday AI is seeking a Senior Backend Engineer to build and scale intelligent backend systems for AI-driven applications in London. You'll design robust APIs, create scalable microservices, and integrate advanced AI capabilities like Large Language Models. Collaborating with cross-functional teams, you'll focus ...

New Grad Backend Engineer: AI & Data Pipelines

GodmodeHQ is looking for a New Graduate Backend Engineer to join their team in Waterloo, London. The role involves developing applications using Python and Django with a focus on AI solutions. You will assist in integrations, manage data pipelines, and help scale the company's innovative products. This is a grea ...

Lead Go Backend Architect — Fintech, Hybrid London

A fintech startup is seeking a highly experienced Lead Go Lang Engineer in London for a hybrid role. You will be pivotal in developing and scaling backend systems that handle millions of transactions. The ideal candidate will have at least 7 years of backend engineering experience, proficiency in GoLang and Post ...

Senior Software Engineer (Full Stack and Backend)

Senior • London, Barcelona, Edinburgh and Berlin Responsibilities Pragmatism and obsession for simplicity, efficiency, and performance Extensive experience in similar roles building technically complex products in any web programming language An expert level at server-si ...

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