11 of 11 Permanent Senior Backend Developer Jobs in the UK

Senior Backend Developer VC-backed Tech : Node/MongoDB Fully remote in the UK Have you worked for a start-up or scale-up software company? Are you passionate about solving clients' real problems and making a difference in their business? Do you have 5+ years' commercial … only agenda is making sure everything they do is to the best of their abilities. They are looking for a pro-active, analytical Senior Backend Developer to join a growing team. You will have an entrepreneurial and empathetic mindset that propels you to commit to delving deep ...

Senior Backend Engineer VC-backed Tech : Node/MongoDB Fully remote in the UK Have you worked for a start-up or scale-up software company? Are you passionate about solving clients' real problems and making a difference in their business? Do you have 5+ years' commercial development … only agenda is making sure everything they do is to the best of their abilities. They are looking for a pro-active, analytical Senior Backend Engineer to join a growing team. You will have an entrepreneurial and empathetic mindset that propels you to commit to delving deep into ...

Senior Backend Developer (Typescript, NodeJS) Looking for a Senior Backend developer with very strong Typescript and NodeJS due to growth and success, for a highly talented development team. My client is looking for an experienced software developer who can hit the ground running … from day one with significant commercial experience as a backend developer to work on the following tech stack: NodeJS/Typescript/Mocha/Sinon/Terraform/Git/Gitlab CICD/Docker AWS (ECS, EC2, Kinesis, Firehose, RDS, Lambda, S3, DynamoDB, SQS, SNS) Databases – Postgres/ ...

Role: Senior Backend Developer Type:Fixed Term Employment (1year) Location: UK (Remote) Client:Tavant Technologies Mandatory Skills - Java, Spring Boot Experience 8+ years Job Description We are looking for a Senior Backend Developer with strong experience in Java, Spring Boot, microservices architecturesto xxuwjjq design … build, and scale backend systems in a cloud-native environment. The role requires a hands... Candidates should take the time to read all the elements of this job advert carefully Please make your application promptly. ...

Senior Backend Developer (.NET | AI-First SaaS Platform) 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 … autonomous systems that plan, build, and operate security awareness and human risk workflows, supported by strong guardrails and observability. We’re looking for a Senior Backend Developer who wants to build production-grade backend services that power these systems, working in a multinational, AI-first engineering ...

Senior Backend Engineer (PHP) - Fareham - £60k + bonus and benefits (office based for the first 3 months and then hybrid thereafter) Tech: OOP, PHP, MySQL, Git Focus: TDD, Agile, systems optimisation & Greenfield development Bonus: Kubernetes, AWS/GCP, Docker An exciting new opportunity for a Senior Backend ...

Senior Backend Engineer/Head of Backend Development (Python/AWS) Fintech | NYC (Remote) | No C2C | Full-time role Compensation : £90,000–£120,000 (negotiable for star talent upon tech test) We are working with a well-funded fintech platform transforming how complex financial data flows across … distribution products. ● Shape the architecture, cloud strategy, and engineering culture of a venture-backed fintech at an early stage. The Role This is a senior backend role focused on designing and scaling the core engine that powers ingestion, validation, and distribution workflows. The environment demands production-grade reliability ...

Senior Backend Engineer 📍 London (Hybrid) 🚀 Early-Stage | AI Platform | Enterprise-Grade Systems We’re partnering with an ambitious early-stage AI company building a challenge-based interview intelligence platform. The product replaces CV-noise with real signal — evidence from real work and real human capability. They … full build mode toward launch. Small team. High standards. High ownership. No corporate theatre. They’re hiring a Senior Backend Engineer to build the enterprise backbone of the platform — high-concurrency APIs, event-driven systems, and reliability foundations that transform complex hiring inputs into secure, trusted, GDPR-safe ...

launch - and we operate like a top-tier creative engineering studio: small team, high taste, high ownership, no corporate theatre. We’re hiring a Senior Backend Engineer to build the enterprise backbone: high-concurrency APIs, event-driven systems, and reliability foundations that turn messy hiring inputs into trusted ...

Senior DotNet Backend Developer – WealthTech SaaS Platform – London, UK – 6 Month Contract (Outside IR35) A global wealth management technology provider is seeking multiple DotNet Backend Developers to contribute to its core enterprise SaaS platform used by private banks and wealth management firms. We’re looking … wealth management. Backed Development Work across the full software development lifecycle (SDLC), from requirement gathering to testing and deployment Design and develop robust backend services using .NET Core/C# Build and maintain scalable RESTful APIs and collaborate with front-end developers on UI integration Develop and maintain Azure ...

maintain high-performance services using C# and ASP.NET Core. Implement asynchronous patterns and background processing using Hangfire. Integrate AI model APIs into existing backend architectures. Address and mitigate security challenges across the full application stack. Required Skills and Experience Deep expertise in C#, ASP.NET Core, and dependency injection. Strong ...