25 of 25 Backend Developer Jobs in London

Backend Developer Location: Heathrow Hours: 9am-5:30pm Salary: £30,000 - £40,000 Job Overview The Digital Promotion (Backend) Developer is based at Head Office, London Heathrow, and reports directly to the Digital Promotion Manager. The role is responsible for the design, development, and maintenance … software solutions that support the company's digital operations and internal business systems. Working closely with the IT Analyst and business stakeholders, the Developer builds reliable, scalable applications and automation workflows that drive operational efficiency across the organisation. The role requires strong technical skills across Python, JavaScript ...

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 ...

club for hotel lovers with over 1.3 million members and a hand-picked collection of more than 2,400 hotels. The role of the Backend Developer is critical to the next phase of Mr & Mrs Smith’s growth as we continue to curate the world’s most desirable … maintainable. You value collaboration, enjoy sharing knowledge with your teammates and appreciate constructive feedback through code reviews and technical discussions. You have experience building backend applications in PHP and are excited by the opportunity to help evolve a platform used by millions of travellers. You will be working ...

Role: Backend Software Developer Client: Start up/Scale Up Compensation: £100,000 P/A + Comps Location: London (Hybrid/Flexible working) Overview Are you a Python expert ready to build cutting-edge systems powering real-world AI innovation? Join one of London’s most exciting … startups, where we’re scaling fast and solving complex problems at the intersection of technology, data, and intelligence. We’re looking for a Backend Developer who thrives in dynamic environments — someone who loves clean code, scalable architecture, and being part of a team that’s pushing boundaries. ...

Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels … full-time role, 37 hours per week. If this role feels right, send us your CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt ...

Senior Backend Engineer Location: London Full Time - 40 hours pw Rate: £700 - £800 Duration: 6 months Hybrid - 2-3 days in London offer OR 100% remote Work supporting our new generation of games. You will challenge and refine our way of working with internal technology. YOUR ROLE … Java Backend Developer you will be a part of a team with the mission to build and maintain technology to support the studio in creating our new games. This includes integrating with existing tech, developing new creative solutions for our games, investigating problems reported by the game teams ...

Node.JS Backend Developer Location : London Role Type: Permanent Work Setup : Hybrid - 3 days in the office Who We Are Vanguard is a global investment firm known for low-cost funds and ETFs, helping investors achieve long-term financial goals with transparent, disciplined strategies. What you'll do Develop ...

design and agile delivery, we continue to build innovative digital services that truly make a difference. Role Purpose We are looking for an experienced Backend Developer to design, build, and maintain scalable, secure Server Side services and APIs, while contributing to the adoption of Agentic AI capabilities within … clearly for other engineers and stakeholders. Work closely with QA, DevOps, and product teams within an Agile/Scrum delivery model. Technical Skills Core Backend Languages: Java 11/17/21 (or later), with working knowledge of Kotlin/Scala a plus Frameworks: Spring Boot, Spring MVC, Spring ...

Location: London, UK Industry: Investment Banking We're looking for an experienced Backend Developer to join a leading investment bank and help drive innovation that empowers people and businesses across Asia, Africa, and the Middle East. This role is part of the Blade function, delivering strategic initiatives that … make a real impact. Prior banking experience is highly desirable. Key Responsibilities As a senior developer, you'll be driving our platform forwards and delivering quality solutions to business-critical customer requirements. Based in London, you will collaborate in a dynamic global team with fellow technologists, business analysts, project ...

Backend PHP Developer £450 per day (6 Months+/Option of working from Remote/Outside IR35) Greenfield project! Opportunity to work in a small team to build and engineer a customer account management solution using open standards that will sit at the heart of a new system ...

CTDI is looking for a Senior Backend PHP Developer to work on developing a Greenfield backend REST API for the transport industry. This contract offers £500 per day for 12 months, with the option to work remotely. You will collaborate closely with a Senior API Engineer within ...

Join a remote-first team as a contract Backend Developer, where you'll take ownership of key technical decisions, collaborate with cross-functional teams, and contribute to an exciting project in the independent music space. Enjoy flexibility, growth opportunities, and a supportive culture. What … suits you best. Culture : Regular social events and a chance to be part of a collaborative, supportive team. The Role As a back-end developer, you’ll play a key role in an exciting project, working closely with product and business leads to develop technical solutions. Your expertise will ...

Description \n We are seeking a Remote Senior Backend Java Developer. A hands-on role in modernising our core platform. This individual will be help in driving the migration away from Legacy systems into, cloud-native architectures, and working closely with your team to acheiuve these goals. This … evolve containerised deployment pipelines using Docker and CI/CD principles. \n Challenge Designs and architectural decisions \n Essential Skills & Experience \n Backend & Microservices \n *Proficiency in Java with a good understanding of microservices architecture. \n *Experience with Spring Boot, Spring Data, GraphQL JPA, and Hibernate. \n *Good knowledge ...

Platform/Backend Engineer We're looking for a Platform Engineer/Backend Engineer with strong Java, AWS and Kubernetes skills. Skills required: Extensive experience in Java 11 and above, Spring Framework, MVC, JDBC, Hibernate, REST Microservices/API's, Cloud API's and AWS services such … Terraform Strong Kubernetes experience, including cluster concepts, deployments, services, ingress, config maps, secrets, autoscaling, monitoring/observability and troubleshooting containerized workloads. Extensive experience in backend development using Oracle PL/SQL and NoSQL databases The contract is for 12 months, inside IR35 and is full time on site ...

looking for a Senior Backend Platform Developer to build modern services for the company's contact center systems. This is a software engineering role first: where you will design APIs, serverless services, data flows, observability tooling, and AI-enabled workflows that support our customer and agent experience. … telephony and contact center workflows onto modern platforms, with enough design discipline to support future scale. What We're Looking For 5+ years of backend software engineering experience, ideally with Node.js or TypeScript. Strong API design, system architecture, integration, debugging, and asynchronous systems experience. Hands-on experience with ...

Jobtailor in the United Kingdom seeks a skilled Java Spring Boot developer to migrate and rebuild core architecture, design robust connectors for global channels, and optimize the catalog publication flow. You will translate legacy business rules into reliable BCP assets and ensure real-time stock and price synchronization. ...

systems that process high volumes of transactions in real time. Although the team primarily develops in C#, they are very open to experienced Java backend engineers looking to transition into .NET. What you'll be doing Building high performance backend trading applications Designing scalable distributed systems Developing APIs … backend services Working closely with traders and front office stakeholders Contributing to architecture and technical design Modernising cloud based infrastructure Working across the full software development lifecycle What they\'re looking for Strong commercial C# or Java experience Trading systems experience in any asset class Front office technology experience ...

working closely as a team to maintain a high standard of code quality and system reliability. Location: London Required Skills • Strong commercial experience building backend services in Kotlin • Deep experience with XP practices, including: Mob programming as a primary way of working Test‐driven development (TDD) Continuous refactoring ...

company are looking for a Lead Developer to join our world-class digital technology consultancy and home to a diverse, smart, curious, and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business and customer challenges. We help … operations. This is a Hybrid role working from our London office 2 days a week. Shape the Future of Digital Innovation As a Lead Developer, you will provide technical leadership across squads, defining architecture, guiding engineering best practices, and ensuring high-quality delivery aligned with client and business goals. ...

Responsibilities Play a role in migrating and rebuilding core architecture in Java Spring Boot Design and optimize technical connectors for various global channels Rebuild the catalog publication flow addressing technical complexities Collaborate on transferring complex ...

About us At the company, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes ...

remediation, advancing AI from assisted analysis toward closed-loop resolution; Architect and optimize large-scale distributed systems to continuously improve throughput, reliability, observability, and developer experience. Work closely with engineering, security, infrastructure, and AI business teams to understand real-world requirements and drive complex projects from design to adoption … Minimum Qualifications: Bachelor's degree or higher in Computer Science or a related field, with experience in designing, building, and continuously evolving large-scale backend systems; Proficiency in one or more programming languages, such as Go, Java, C++, Python, or Rust, with strong computer science fundamentals, sound coding practices ...

commerce solutions with multiple investment rounds and have offices in 5 countries. Role: We are looking for a top-notch lead back-end developer who is prominent with modern and distributed web technologies and Machine Learning algorithms. You will be responsible for developing RESTful services to handle high volume … availability, sub-200ms latency) , and run analysis and segmentations on top of them. We are not looking for just a Java and Sprint Boot developer , but a software engineer that can turn business requirements into technical solutions, and then working products by collaborating with technical architect. We are asking ...

Join a team of superheroes!👊 Teamtailor is an Employer Branding & ATSSaaS platform used by over 3.000 companies 🤩, 110.000 users🕺🏻in 90 countries around the world 🌏 Working at Teamtailor means working at a young, international, and ...

value of technology and build a more sustainable, more inclusive world. About the job you're considering Capgemini is seeking a talented SAP ABAP Developer to join our Application Development & Maintenance (ADM) team, supporting a highly secure and business-critical SAP S/4HANA environment. This is an opportunity ...