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Backend Engineer (Python, FastAPI/Flask/DjangoGPU/CUDA) 📍 Bristol (Hybrid) 💰 £55,000 - £70,000 + Benefits 📝 Permanent The Opportunity An innovative analytics organisation operating within the insurance and risk sector is looking for a Backend Engineer to join th

Design, develop, test, and maintain secure, high-performance backend services using modern programming languages.

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

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 years of working in startups as a backend engineer;. Our backend tech stack is Spring Boot with Java/K

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.

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 technology consulting firm in Greater London is seeking an experienced Application Developer to support backend service development on AWS for their Supply Chain Command Centre solution. Ideal candidates will have over 10 years of AWS backend experience and a strong understanding of supply chain p

A dynamic tech company in Greater London is looking for a Backend Engineer to join the Promotions team. This role emphasizes backend expertise, particularly in Golang, and the ability to take ownership of complex initiatives in ambiguous settings.

Delivering high-performance, secure, and maintainable backend services through technical innovation, creative thinking, and efficient working practices. Solid understanding of computer science fundamentals (data structures, algorithms, networking) and a proven ability to apply them in creating high-

A cybersecurity solutions provider in the United Kingdom seeks a skilled Backend Engineer to design and develop backend systems for their innovative cybersecurity solutions.

A prominent mobile games company in Greater London is seeking a Product Director to lead product management for backend systems and internal SDKs.

A leading technology firm is seeking a Database Manager & Replication Manager to ensure efficient management of databases for SaaS clients.Located in Greater London, this role demands expertise in Java and PostgreSQL while focusing on building automated systems for multi-tenant environments.The succ

A leading car finance company in the UK is seeking a Java Engineer to design and build backend services that drive its operations.

Chumley is an early-stage tech startup building software that gives tradespeople the flexibility and tools they need to focus on their work, streamlining workflows and keeping more engineers operating at optimum levels.The team is small, ambitious, and focused on shipping practical, high-impact tool

You’ll be working in a team of backend engineers across MPG to spearhead the delivery and deployment of backend services for industry-leading game projects. We are looking for a highly experienced Principal Backend Engineer. Proven experience building backend infrastructure using infrastructure as

A cybersecurity company in Greater London is seeking a Senior Backend Engineer to tackle complex engineering challenges. You will design and evolve architectures for an integration platform connecting over 150 security tools and build backend services to support AI capabilities.

You’ll be joining our growing Engineering team as a Mid-Level Backend Engineer, reporting to the Engineering Manager. Our backend team powers critical capabilities like customer decisioning, third-party service integrations, automation for operational teams, and self‑serve functionality for cus

You'll be working closely with a team of skilled engineers to design scalable backend systems and contribute to a brand-new product.

As a backend engineer, you will collaborate with cross-functional teams to build resilient solutions and support customer outcomes. Experience with strongly-typed languages and backend development is crucial.

The position involves optimizing backend applications to meet performance demands and requires experience with microservices architecture, containerization, and Kubernetes.

This role involves developing and maintaining high-performance backend systems, integrating RESTful microservices, and leveraging big data tools like Spark and Kafka.

A leading Web3 infrastructure provider is seeking a Senior Backend Engineer to work on the WalletConnect Pay team. The role involves designing and maintaining backend services, owning the implementation and deployment of projects, and collaborating with various stakeholders.

A leading technology firm in Greater London is looking for a Senior Backend Engineer to take technical ownership of key product areas.

As a key member of the team, you will focus on backend software engineering, developing high-quality code in C#, and participating in the full development life cycle. This role emphasizes user-centric design and continuous improvement, requiring close collaboration with product, design, and backend

Hybrid: City of London (3 days per week onsite).Did you know financial fraud costs the UK economy £200bn+ per year, accounting for over 40% of crime in England and Wales? This early-stage FinTech is on a mission to fight financial crime and reduce scams in online payments.High-ownership, mission-dr

Candidates should have over 5 years of experience in DevOps, with proficiency in backend languages like Golang or Rust, and significant knowledge of cloud security, containerization, and CI/CD tools.

We help companies stay secure while moving fast.Built by engineers for engineers, The Teleport Access Platform delivers on-demand, least privileged access to infrastructure based on cryptographic identity and zero trust, with built-in identity security and policy governance, making the happy path fo

We’re looking for a Backend Engineer to join our Product team and help build exceptional products for fans, venues and artists. As a Backend Engineer, you will have a direct impact on what we build and how we build it, working alongside a very senior team of experts to deliver high‑quality featu

A leading blockchain payments company in the UK is looking for a Senior Backend Engineer to design and build backend systems for their financial infrastructure. The ideal candidate has over 5 years of backend engineering experience and a passion for scalable financial systems.

A BAFTA-winning games studio in Greater London is seeking a seasoned Backend Developer to design and develop scalable microservices. The role involves collaboration with technical teams to create robust backend services and optimizing performance on a high-traffic digital platform.

Candidates should have extensive backend development experience in data-driven B2B settings, strong programming skills in Python or Go, and expertise in API design and cloud infrastructure.

Backend Software Engineers at Palantir build software at scale to transform how organizations use data. Different backend languages, including Java, Rust, and Go.

A leading circular fashion marketplace in the UK is seeking a Staff Backend Engineer to drive the technical vision of their data platform.

A technology company in the engineering sector is seeking a Lead Engineer to guide backend and data engineering initiatives.

The ideal candidate possesses strong Python and backend skills along with a commercial mindset.

A financial services firm in Greater London is seeking an exceptional Software Engineer to join their Backend Engineering squad.

A leading global financial services firm in London seeks a Software Engineer III to join their Accelerator business.You will develop innovative products and tackle real-world problems in a collaborative environment.Strong skills in software development (Java/Kotlin) and a passion for fintech are ess

A technology firm in Greater London seeks a Manager, Software Engineering, to architect high-performance backend systems on AWS.

FYLD is looking for a Principal Backend Engineer. This is a critical role for the business as we continue to enhance our backend systems to support our growing product offerings and long-term roadmap. Design and develop containerised backend services and scalable APIs using Django, AWS, and Terrafor

Develop scalable backend architecture:. Design and optimise APIs and backend services that power Vega’s frontend applications and enable complex data workflows across the platform. Design and develop backend systems powering Vega’s AI-enabled platform, including LLM-driven workflows, intelligent

Candidates should have over 10 years of experience with backend systems and functional programming languages like Elixir and Scala.

A reputable engineering firm in the UK is seeking a Backend Software Engineer focused on designing and building software systems within high-assurance environments. The role requires expertise in backend development using Python and Go, along with experience in container orchestration with Docker an

A fast-growing technology company in the UK is seeking a Senior Backend Engineer to lead the development of backend features that support both customers and internal teams.

The successful candidate will lead and grow the engineering team focused on backend services for payment, checkout, and transactional workflows. Ideal candidates should have a strong background in backend engineering and experience in managing delivery across multiple workstreams.

This role requires strong experience in mobile and backend technologies, including React Native and.

The role involves leading backend service design, making critical architectural decisions, and mentoring engineering teams. Ideal candidates have 8+ years of experience in backend engineering, deep AWS expertise, and strong DevOps skills.

Walk us through past engineering work and how you think about complex, ambiguous backend problems. Ship & run backend systems that turn messy signals into truth. As a Senior Backend Engineer, you will own core parts of our Scala + Python data and agent infrastructure.