9 of 9 Permanent Backend Developer Jobs in London

Backend Python Developer (Azure AI) Location: Remote/Hybrid Type: Full-time Our client is a fast-growing consulting business building an AI-driven platform on native Microsoft Azure services. They are looking for a strong Backend Python Developer to join their team and play … work in a lean, high-impact environment where speed, quality, and innovation matter. The Role The successful candidate will: Design, build, and maintain backend services in Python , writing clean, maintainable, production-grade code. Develop and deploy AI-powered features using Azure-native services including Azure AI Foundry, Azure ...

Location: London (Hybrid) Type: Permanent Rate/Salary: Competitive Role Overview A leading financial organisation is seeking a Backend Java Developer to design and build robust backend services and applications within a high-availability, performance-critical environment. Youll work on modern Java services and microservices, delivering reliable … hybrid role based in London, with an expectation to attend the office three days per week. Key Responsibilities Design, develop and maintain backend services using modern Java (Java 17+), following secure coding and clean architecture principles. Build and evolve microservices and RESTful APIs to support scalable and resilient platform ...

Backend Python Developer – AWS (Energy Trading Platform) Contract - London (Hybrid – 3 days onsite) £700 - £900 per day Inside IR35 We’re working with a leading energy trading organisation that’s looking to hire a Backend Python Developer to join their London team , working on a modern … based post-trade platform. This is a hands-on contract role focused on backend development, supporting live intraday trading, position management and P&L reporting for a front-office energy trading environment. You’ll be part of a fast-moving engineering team building and enhancing business-critical systems used ...

Use your Java and AWS knowledge to build secure, scalable cloud-based services for medical researchers London with hybrid working; to £90k DoE + options and benefits This company is developing an AWS-based platform ...

Description: As a Specialist II in Backend Development, you will leverage your expertise in Java 17/21 and Java EE library migrations to enhance and upgrade middleware systems. Your role will involve working with Oracle 19C databases and ensuring seamless SOAP/REST integration. Key Responsibilities: Develop … maintain backend systems using Java 17/21 and the Spring MVC framework. Manage and execute Java EE library migrations and middleware upgrades. Ensure efficient database management and operations with Oracle 19C. Implement and maintain SOAP/REST integrations to support system interoperability. Collaborate with cross-functional teams ...

Lead Backend Engineer | Node.js, TypeScript, Microservices, APIs, Event-Driven Architecture, AI | London | Up to 130k salary + equity This is an opportunity to join a fast-scaling AI startup building an AI operating system for property management, automating up to 80-90% of repetitive workflows across compliance, maintenance … strong early traction and growing demand, they are building toward becoming a category-defining platform in a multi-billion-pound industry. As a Lead Backend Engineer, you'll take ownership of the backend architecture, APIs, and microservices that power an AI assistant operating in real-time production environments. ...

Lead Backend Engineer Node.js, TypeScript, Microservices, APIs, Event-Driven Architecture, AI London Up to 130k salary + equity This is an opportunity to join a fast-scaling AI startup building an AI operating system for property management, automating up to 80-90% of repetitive workflows across compliance, maintenance ...

Australia. The platform helps insurers, loss adjusters and contractors assess damage, generate estimates and produce structured reports. The role A hands-on backend engineering seat. Most of the week is spent building, reviewing and operating production code. There is a clear path to broader technical ownership (architecture leadership, mentoring ...

Australia. The platform helps insurers, loss adjusters and contractors assess damage, generate estimates and produce structured reports. The role A hands-on backend engineering seat. Most of the week is spent building, reviewing and operating production code. There is a clear path to broader technical ownership (architecture leadership, mentoring ...