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We are looking for a Senior Backend Engineer to join our new Quantitative Sports team. 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-

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

Our backend tech stack is Spring Boot with Java/Kotlin/Groovy, MySQL and Opensearch, hosted on AWS. Our frontend is React with Typescript, and you will be expected to contribute small features to the frontend (though the role is at least 95% backend). You're an experienced engineer with multiple ye

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. You will be in charge of building scalable backend services and awesome messaging que

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

Lead Java Backend EngineerHybrid - 2 days per week in Newcastle/LondonThis is an opportunity for a Lead Java Backend Engineer to shape the backend technical direction, bring teams together, and introduce modern engineering practices that support scalable, secure, and high-performing systems.

Software Architect Java - BackEnd, Back End Google Cloud (GCP)Contract: Until December 2026 - RenewableLocation: Essex Offices (located between Brentwood and Basildon) 4 days a weekRate: £600 per Day Inside IR35The finance and banking division of this engineering company and household name is se

A leading digital transformation consulting firm in London is looking for a senior candidate for their newly formed AI team.The role involves leveraging AI to automate data analysis, requiring 15-20 years of experience and proficiency in Python and FastAPI.Ideal candidates will possess strong design

A prestigious trading firm is looking for skilled Java Engineers to design and deliver high-performance backend services in a cloud-native environment.

A BAFTA-winning game studio is seeking an experienced Backend Developer to design and implement scalable microservices for a high-traffic digital platform. The role involves collaborating with technical teams to create robust backend services, utilizing technologies like Javascript, C#, and cloud pl

We’re looking for a talented Backend Software Engineer to join our agile, delivery-focused, and highly motivated team. Collaborate with cross‑functional teams to design, develop, and deliver robust backend services.

An established technology firm is seeking a talented Senior Software Engineer in London.You will develop and maintain high-performance applications while mentoring junior engineers.The ideal candidate has 6–11 years of Python experience, is well-versed in Django or Flask, and has strong skills in

Strong proficiency in backend programming languages like Java, Python or Go.

As a Senior Backend Developer, you'll be working in an environment that is collaborative, fast-moving, and delivery-focused where engineers are trusted to own features end-to-end, contribute to technical direction, and make sensible architectural decisions as the platform evolves. Senior Backend Dev

A leading energy company in the UK is seeking a Senior Backend Software Engineer to design and manage cloud-based software platforms.

Join a diverse team to work on building robust backend features using Typescript, PHP, and Golang while addressing complex challenges in a mission-driven environment. Ideal candidates will have a minimum of 2 years of backend experience and strong ownership of their technical designs.

A leading global financial services firm in Greater London is seeking a Java Developer to engineer advanced applications that redefine finance.You will be involved in all software lifecycle stages, from design to deployment, and will collaborate with cross-functional teams.Ideal candidates will have

Solid understanding of computer science fundamentals (data structures, algorithms, networking) and a proven ability to apply them in creating high-quality, scalable backend systems. Experience with security best practices for backend development. We’re seeking a seasoned Backend Developer with a p

This role involves building and enhancing Java backend services, while also maintaining Python ETL processes.

A progressive tech company in Greater London is seeking a Principal Engineer to lead backend development.

A leading engineering firm in the UK is looking for a skilled engineer to lead through hands-on development of backend services using C# and.

A pioneering Health Tech organization seeks an Engineering Lead (Integration) in Greater London to spearhead the development of scalable integration platforms.This hands-on leadership role demands expertise in C#,.NET, Azure, and mentorship of a team of 5+ engineers.You will set architectural standa

A fintech SaaS company is seeking a Senior Back-end Engineer to join its high-growth team in London.This role involves leading the design of scalable microservices and developing RESTful APIs using Java 21 and Spring Boot.The ideal candidate will have over 7 years of back-end development experience

A leading energy company in London is seeking a Senior Software Engineer to join their Data team.You will be tasked with building stable APIs and a presentation layer for complex energy data, working primarily in Python.Candidates should possess over 4 years of experience in software development wit

We’re looking for an experienced (or senior) backend engineer to join the engineering team. Our backend engineers mostly work with Python and Django on an increasingly more service‑oriented architecture.

We are looking for an exceptional Software Engineer, to join our Backend Engineering squad.

We're hiring a Senior Backend Engineer to work on some of the most interesting problems in cybersecurity — building the platform that connects 150+ security tools, serves enterprise customers at scale, and now powers a new generation of AI capabilities. Build the backend services that power our AI

A leading technology firm is looking for a Software Engineer in London with 5-9 years of experience to join their engineering team.The ideal candidate will design, develop, and maintain scalable software systems using Python, collaborating with cross-functional teams.Key responsibilities include bui

A game industry tech company is looking for a Technical Support Engineer to provide expertise on backend systems for large-scale international game projects. Ideal candidates will have extensive backend development experience, proficiency in programming languages like C++ or Go, and a solid understa

A modern banking startup in the UK seeks an experienced Backend Engineer to enhance their technology products.

A dynamic technology startup in London is looking for a Product Engineer focused on the Backend. This role involves scaling and evolving backend infrastructure, designing APIs, and implementing AI capabilities.

In this role, you will collaborate with various teams to enhance the backend of their innovative financial services.

Mid/Senior/Staff) Backend Engineer – London.

As a Backend Engineer on Stripe's Core Technology team, you'll build the financial infrastructure that powers the internet economy.

A leading financial technology company is seeking a (Mid/Senior/Staff) Backend Engineer in London.

As a Senior Backend Engineer at OpenAI London, you'll work on the systems that power some of the world's most advanced AI products.

Out of the successful launch of Chase in 2021, we're a new team, with a new mission.We're creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential.Our team is key to our success.We value collabo

A leading audio streaming service seeks an experienced backend engineer to design and build scalable systems for its internal commerce platform. The ideal candidate has over 5 years of experience in backend development, with proficiency in Python or Java, and is skilled in cloud platforms like GCP o

A leading tech firm in Greater London is seeking a Senior Software Engineer (Backend) to lead the development of their Charge Point Management System and customer-facing platforms.

A tech company in the United Kingdom is seeking a Member of Technical Staff specializing in backend and infrastructure.

This role involves designing and building backend services and features for generative AI workloads. The ideal candidate will have experience with production backend systems, proficiency in Python, and expertise in frameworks like Flask and Next.

Collaborate with Product, Design, and users to deliver reliable backend solutions. Strong experience building scalable APIs and high-traffic backend systems. They are looking for a Lead Backend Engineer who is passionate for the DeFi space and has a real hunger to work in a lean but highly skilled t

At TripleTen, we’re creating innovative learning products that empower people to master IT professions like software engineering, data science, business intelligence, and QA — no matter their prior experience.Our AI-driven and thoughtfully designed platform helps students build real skills and a

A technology company is looking for skilled backend developers to evolve its platform capabilities.

The Senior Java Developer will be responsible for both backend and the introduction of innovations in new services, enjoying fully remote working options and a salary of up to £70K.

A leading software business in the security space is looking for a Staff Backend Engineer to join their UK team.

Our mission is to enable everyone to build wealth.We reinvent how trading and investing work by creating exceptional products people love.Fostering a culture of excellence and high velocity is the key to our success.Today, we serve over 5 million clients, with more than €30 billion in assets under