1 to 25 of 47 Backend Developer Jobs in London

Senior .NET Developer 24 month contract (possible extension of 12 months) £500 PD, Inside IR35 Hybrid, 2 days a week in Office A widely recognised government body, utilised daily by millions, is looking for a Senior Software Developer to help build out a new bespoke development project. The … architecture and change review. • Offer development expertise and insights to facilitate the effective evaluation of new technologies. • Rectify software application defects following agreed-upon developer operations practices. What experience do I need? • Experience in developing, supporting, and maintaining data-centric, complex, and computation-intensive Azure end-user web applications more »

Backend Software Engineer - Node.JS London office 4 days per week 1 WFH Contract hire for 6 months paying £500 - £700 per day You role will involve: ● Leading a project from architectural design, through to implementation and delivery. ● Working alongside Product, Quant Research, DevOps and other teams to design & build … succeed ● A minimum of 4+ years experience in Software Engineering ● Exceptional understanding of Javascript/Typescript ● Solid understanding of NestJS, Express or similar NodeJS backend frameworks ● Cloud Architecture & System Design (preferably AWS) ● Experience with microservices/distributed systems ● Experience with test frameworks (Jest, Cypress, Mocha, etc.) Bonuses/Great more »

start to finish, and be responsible for the code you write. You build it, you run it. Key Requirements Several years experience as a backend engineer Experience with AWS: ECS, Lambda, API Gateway, SNS/SQS Strong testing practices, especially Test Driven Development Experience with Enterprise Integration Patterns An more »

Senior Back End Developer Does working for an innovative start-up, at the forefront of data analytics and generative AI systems interest you? We're excited to have partnered with this fast-growing and disruptive organisation that specialises in machine learning, and developing accurate AI systems. As a Senior … Back End Developer, you will be taking up a senior position within the development team helping enable image recognition tasks and implementing webhook endpoints. You will also have the opportunity to execute performant ways of handling imaging, rendering in 3D and made processable by AI models. The ideal candidate more »

First Point Group is recruiting for a Back End Software Engineer with strong Golang experience. Our client specializes in providing messaging operations and service management solutions for some of Europe’s leading telecommunication operators. This role is fully remote, with more »

Parkopedia is the world's leading connected car services provider used by millions of drivers and organisations such as Apple, Here, TomTom and 20 automotive brands ranging from Audi to Volkswagen. Parkopedia has the mission of providing the best in more »

Are you passionate about crafting robust, fault-tolerant code that powers unforgettable travel experiences? Do you thrive in an environment where innovation and collaboration are valued? If so, we have an incredible opportunity for you! About the company: We are more »

Backend Developer - London (hybrid) - 28 month contract One of our public sector clients requires a Senior Backend Developer to join their team as part of an on-going project. You will have the following skills and experience: Expert knowledge of developing integrated back-office solutions using more »

Senior Backend Developer | £85,000 + Bonus (Hybrid - London) | Node.js 💻 Senior Backendnd Developer 💰 Up to £85,000 p/a + Bonus 🌍 18m+ Customers in 20+ countries worldwide 🚀 Market Leader - 5 year modernisation plan ⚙️ Preferred Tech: Node.js; TypeScript; Kubernetes; AWS 📍 The Company: I’m working with a … platform, increase their product portfolio, and enhance their international expansion. That’s where you come in! 💼 The Role: They are currently seeking a Senior Backend Engineer to join a brand-new team dedicated to this exciting transformation. In this role, you'll play a pivotal part in expanding the … and B2C customers. Across the company there are circa 45 developers, with each team possessing up to 6 developers with either a frontend or backend focus, with a Product Owner, BA, Tester and Scrum Master. These horizontal teams are key for their architectural sanctity as they continue to grow more »

Backend Developer Node.js/Java Script/Fintech Contract £500 P/D - (OUTSIDE IR35) We have a long-standing client of ours who are looking for a very strong backend developer to join them as they take on an architecture project of their AI product more »

on the cloud using latest open-source technologies. We love to build reliable and simple solutions. We are looking for a Java/Koltin Backend Developer, motivated, efficient, that loves both coding and good practices. Here are some of the technologies used at Landytech: Backend: Kotlin, Java … You have a Bachelor's degree in Computer Science, Mathematics or any stem subject You have 4-6 years of experience as a Java Backend Developer, preferably in a start-up, fast-paced environment You have experience with designing & building business services in micro-services/cloud architecture more »

dynamically visualize the deal from end-to-end, enabling them to plan, execute and record the deal visually. We are looking for an experience backend developer to join our agile team. We are a well-funded technology scale-up who are transforming legal services delivery. We are at more »

Senior Back End Developer (Mobile Payments/Azure/C#) Methods are looking for a Senior Back End Developer to work on an initial 12 month programme of work with a client of ours. The position is also expected to extend for a further 12 months. The role … on site in the Central London office location. The role has also been confirmed to fall Inside IR35. Role Overview The Senior Back End Developer will have expert knowledge of defining and building integrated solution for using: Azure DevOps CI/CD Pipelines, C# .Net Core, ASP.NET Core, Azure … JavaScript, CSS, HTML, PowerShell, Microsoft SQL Server, XML, Agile Scrum, Azure Cloud, Azure Active Directory B2C, Bicep, Microsoft Identity Platform. The Senior Back End Developer will work with all others as necessary within the project including the Product Owners, Solution Architects, Tech Lead and other stakeholders to establish an more »

processes like architecture and change review. Offer development expertise to evaluate and integrate new technologies effectively. Address software application defects in accordance with agreed developer operations practices. Key Qualifications: Expertise in software engineering techniques, including implementing flexible design patterns and configuring off-the-shelf systems. Broad knowledge of planning more »

Back End Developer | Hybrid, Bromley | £75,000 P/A! Are you a skilled Back End Developer ready to significantly impact a growing, scaling business? Join a rapidly growing entertainment-focused membership platform shaking up the entertainment space. Our clients want to be the leaders in giving their more »

Back-End Developer (Remote - UK, 1 Day/Month London Office) £65,000 - £70,000 per annum We are working with a dynamic trading company looking for a talented Back-End Developer to join their growing team. In this remote-first role, you will play a key part … in building and maintaining the critical backend systems that power their trading operations. Responsibilities Design, develop, and maintain robust back-end systems using Node.js (min. 5 years experience) Build and implement APIs using WebSockets and API Gateway Integrate with AWS services including Kinesis Data Streams (experience highly desirable) Collaborate … like Terraform Automate deployments using CI/CD pipelines You will be a great fit if you have: Proven experience as a Back-End Developer (min. 5 years) Strong experience with Node.js and related technologies Experience with building and deploying web sockets and APIs Solid understanding of AWS cloud more »

The Role Tec Partners is collaborating with a fintech business looking to hire a backend Python engineer to join a high-performing team. The company delivers a suite of products and its core offering centers around a trading platform. Following a period of success, they are building a new more »

One of our public sector clients requires a Backend Developer to assist with an ongoing project. You will be responsible for making upgrades to an existing application using Microsoft Azure. Skills and experience required: Expert in deploying and maintaining high traffic APIs. Expert in investigating and diagnosing production more »

Senior Backend Developer Luminary is looking for a Senior Backend Developer who can architect and build stable, scalable, and secure APIs to support our growth. We are looking for an accomplished senior backend developer proficient in Node.js and SQL/NoSQL databases to join … Your expertise and insight will be instrumental in scaling our operations and realising our ambitious vision within the music tech industry. As a Senior Backend Developer at Luminary, you will work closely with Platform developers and clients of your APIs and report directly to the Platform Director. Working … primarily on our Node.js, AWS-hosted stack, you will own Platform APIs and database design and lead the way to a best-in-class backend architecture. We do sprints and standups, communicate frequently, support each other, value each other’s opinions, and constantly strive to improve our working environment more »

Kotlin Backend Developer (Hybrid) – Up to £100k Spinks has collaborated with the UK's clean-tech scale up in the renewable energy and EV charging space. They are currently seeking a Kotlin Backend Developer to join their dynamic tech team based in London. What You Will … Do: Contribute to our client's backend infrastructure built in Kotlin. Ship maintainable, robust, and tested code in production. Contribute to the technology strategy and architecture by suggesting new technologies, techniques, and solutions. Collaborate with Product Owners and other team members to deliver value incrementally and regularly. Coach and more »

Join Our Dynamic Team as a Versatile Backend Developer! 🚀 We're Expanding Our Tech Horizon! 📍 On-Site in London 🔍 Are you passionate about building robust backend systems and eager to dive into a wide array of applications? We're looking for a talented and versatile Backend Developer to join our innovative team! This role offers the chance to work on cutting-edge projects, focusing on API connectivity and event-driven architecture that will challenge and grow your skills. Why Quadra? Introducing Quadra, a ground-breaking platform at the intersection of institutional investment and the more »

creates new opportunities for driven and skilled individuals to join one of the fastest-growing consultancies globally. Job Description We are seeking an experienced Backend Java Software Developer with a strong background in the Financial Services Domain. The ideal candidate should possess a solid foundation in backend … Qualifications Bachelor’s degree in computer science, Software Engineering, or a related field (or equivalent experience). Proven experience (5+ years) working as a backend Java Developer. Strong proficiency in Java programming language , SQL and Springboot. Strong problem-solving skills with a proactive attitude towards tackling challenges. Strong understanding … methodologies and collaboration tools (e.g., Jira, Confluence). Strong understanding of Object-Oriented Analysis and Design (OOAD) principles. Experience with Spring Boot framework for backend development. Proficiency in data modelling and database design. Ability to collaborate effectively within cross-functional teams and communicate technical concepts clearly. Desirable Skills: Experience more »

Senior Back End Developer (Java, SQL, API, XML, MySQL) Working from home (Travel to Belgium once a quarter) £65,000 - £75,000 + 10% performance related bonus + 4% pension contribution + Company benefits Are you a Senior Backend Developer looking to directly contribute to the success … team, with the purpose of building and maintenance of relevant back-end systems, tailored to clients needs. This role would suit a Back End Developer looking to have the freedom to be creative and directly contribute to the success of a company working on exciting Back-End projects where … successfully on all devices Remote working with quarterly visits to office base in Europe for essential project meets and team bonding exercise THE PERSON: Backend Developer Willing to travel to Belgium once a quarter Experience Java, SQL and MySQL Familiarity with JSON and XML Key words: Java, SQL more »

Senior Backend Developer 1-year contract Inside IR35 - £450 per day East London location 2 days per week onsite Our client has developed a real-time travel app, the app launched on iOS devices in August 2020 and on Android in December 2020. The first phase included multi … 4.7 and 4.4 respectively in the Apple and Android app stores. With this new workload in mind, we are looking to find a Senior Backend Developer to join on an initial 1-year contract. To be considered for this role you need to demonstrate proven experience in the … working on complex and large-scale, cloud-based systems and unified API’s over the past 5 years Technical Skillset needed: The Senior Software Developer will have expert knowledge of defining and building integrated solutions using: CI/CD Pipelines Azure DevOps C# .NET Core ASP.NET Core Microsoft SQL more »

Backend Developer | PHP | Laravel | up to £75k | Hyper growth property Tech FTSE 100 - Industry leader in the online property search market!! One of my long standing clients of 2023 have recently been acquired by a FTSE 100 company to propel their platform to the next level. They are … and Redis. Contributing to key technical decision making and promoting the latest and emergent technologies. Process: 3 quick stages (initial, technical chat & HR chat) Backend Developer | PHP | Laravel | up to £75k | Hyper growth property Tech more »