51 to 75 of 94 Backend Developer Jobs in the UK

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract but there is potential for it to be extended. … a full-time role, 40 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 … a Server-less first approach to application design, collaborating within an agile team alongside other backend engineers and product designers. * Strategize, develop, test, and deploy new features and experiments. * Engage in collaborative coding practices such as pair programming and code reviews within the team. * Contribute to resolving the complexities More ❯

Backend Mobile App Developer London - 4 Days on-site £50,000 - £85,000 DOE + Equity + Private Healthcare + Unlimited Annual Leave This is an excellent opportunity for a Mid-level Backend Mobile App Developer to join a rapidly growing start-up offering great progression … product. Within this position you will collaborate with cross-divisional teams and stakeholders The ideal candidate will have at least 1 years' experience in Backend development with Python (Django Framework) and have a 1st class degree in a relative subject. Equally, any exposure to Frontend development would be beneficial … for future progression but is not essential. This is a fantastic opportunity for a Junior to Mid-Level Front End Developer to join a rapidly expanding start-up at an important time where you will have great progression opportunities. The Role: Back End Mobile App Development Improving and maintaining More ❯

Who we are looking for A Software Developer, who will work in a small team of talented developers following agile practices to develop high quality, scalable solutions on Linux and Cloud platforms. You will be joining our Sports placement and cashout team, working on our flagship Sports systems, enhancing … latency, highly available and scalable solutions. Working in an environment with high volumes of transactions. Exposure to mentoring or leadership. Development of automation and developer tooling, continuous build and CI systems. Experience working with Scrum or other agile software development methodologies. Main Responsibilities Identifying technical areas of improvement. Supporting More ❯

Exciting Opportunity with a Leading Sports Fan Community! 🚀 Are you passionate about architecting and building robust backend systems and love sports? Here's your chance to join a dynamic and growing company that is building the world's largest sports fan community! 🏅⚽🏀 We’re on a mission to connect … fans with their favorite clubs through exclusive content, events, and personalized experiences. As we continue to scale, we’re looking for an experienced Senior Backend Developer to join our team and help us build the backbone of this community. About the Role What you'll do: Build backend … Tech Stack you'll use: NestJS, GraphQL, AWS (EKS, RDS, S3, Redis, SQS), Stripe, OpenSearch Required Skills & Experience 5+ years in Node.js/NestJS backend development Strong GraphQL and database design skills Knowledge of event-driven architecture and message queues Experience working in Kubernetes environments (AWS EKS a plus More ❯

We are recruiting a Backend Software Developer on behalf of a growing digital consultancy. In this role, you will be working on a cloud-heavy, AI-enhanced project within the public sector, supporting a central government client. The ideal candidate will have strong experience with Node.js, Python, and More ❯

At Tether, we're not just building products; we're pioneering a global financial revolution. Our cutting-edge solutions empower businesses-from exchanges and wallets to payment processors and ATMs-to seamlessly integrate reserve-backed tokens across blockchains. By harnessing More ❯

Senior Backend Engineer London-based tech company helping clients engage in marketing strategies with audiences in virtual worlds. Your Focus: As a Senior Backend Engineer focused on Data Pipelines and API Optimisation, you’ll be central to our platform's performance and scalability. You’ll design, build, and … on the systems that handle data ingestion, transformation, and delivery - ensuring they are scalable, reliable, and performant. You should have a strong background in backend engineering, particularly around distributed systems, database optimisation, and API development. You’ll work with technologies like JavaScript and TypeScript to build robust services that … meet high standards for performance and reliability. This role is ideal for someone experienced, self-driven, and excited about leading backend projects involving large-scale data handling and API improvements. Your technical leadership will help evolve our infrastructure and mentor other engineers as we scale. Skills, Knowledge, and Expertise More ❯

Senior Backend Engineer London-based tech company helping clients engage in marketing strategies with audiences in virtual worlds. Your Focus: As a Senior Backend Engineer focused on Data Pipelines and API Optimisation, you’ll be central to our platform's performance and scalability. You’ll design, build, and … on the systems that handle data ingestion, transformation, and delivery - ensuring they are scalable, reliable, and performant. You should have a strong background in backend engineering, particularly around distributed systems, database optimisation, and API development. You’ll work with technologies like JavaScript and TypeScript to build robust services that … meet high standards for performance and reliability. This role is ideal for someone experienced, self-driven, and excited about leading backend projects involving large-scale data handling and API improvements. Your technical leadership will help evolve our infrastructure and mentor other engineers as we scale. Skills, Knowledge, and Expertise More ❯

on development experience while supporting field operations. You will work closely with fitters during deployments (often during evenings or weekends) and gradually grow into backend development using AWS services. Key Responsibilities Support on-site teams during installations Update systems based on field input Edit geofences and assist with backend More ❯

on development experience while supporting field operations. You will work closely with fitters during deployments (often during evenings or weekends) and gradually grow into backend development using AWS services. Key Responsibilities Support on-site teams during installations Update systems based on field input Edit geofences and assist with backend More ❯

Backend Engineer (AWS-based SaaS Platform, LLM-powered)* Project: 4- to 6-week build sprint Location: Remote (2–3 h overlap with UK time) Fee: Fixed-price USD $4,000-$6,000 About Us We’re a boutique consultancy spinning up an AI-enabled SaaS product. Our AWS backbone … a small admin UI on top of this platform, integrating an LLM-driven scoring pipeline plus a few external APIs. What You’ll Tackle *Backend feature work* •⁠ ⁠Design and ship REST or GraphQL endpoints. •⁠ ⁠Build multi-tenant data models and role-based workflows. •⁠ ⁠Trigger emails and webhooks for status More ❯

Overview As a Server Software Developer/Engineer, you will contribute to the design, implementation and support of features/functionality. You will collaborate with a team of engineers to design and build best-in-class experiences for our users. NOTE: This role will be 4 days a week … Computer Engineering, or in a relevant field. Experience with a cloud platform: AWS, Google Cloud, etc. Essential Skills Several years of experience in a backend Java development role. Strong understanding of relational databases and proficiency with a relational DB. Strong knowledge of RESTful API design. Excellent understanding and experience … solving. Excellent verbal and written communication skills. Good working knowledge of revision control and code review tools like Git/Github. Experience Comfortable writing developer tests. Experience working in high performance Agile Scrum teams. Experience with distributed computing. Experience in web development. Skills with Java/Kotlin. Experience working More ❯

our clients by building digital teams that extend their capabilities and allow them to leverage our talented nearshore resources. We are currently seeking a Backend Developer experienced in Bigcommerce Integrations to join one of our client teams! You are going to join a team of cross-disciplined professionals … data exchange between BigCommerce and third-party applications. Develop and maintain custom scripts for workflow automation . Requirements Required Skills: 3+ years experience in backend development with BigCommerce APIs . Strong knowledge of Node.js, Python, PHP, or Ruby for API integrations. Experience working with RESTful APIs, GraphQL, and Webhooks More ❯

Urgent Contract & Perm Requirements (Green Badge) - DV Clearance Required - Gloucestershire (2-3 days) ?? LM Recruitment are now actively recruiting for multiple Backend Developers (Green Badge essential) both contract and perm due to my client's strong, long-term pipeline of projects ahead. To be considered, you will be DV More ❯

play a key role in shaping Paessler PRTG, which more than 500,000 users rely on every day. We are currently looking for a Backend Software Developer to take our monitoring software to the next level. You will be part of a 7-person cross-functional team focused … into our products. At Paessler, you can expect a modern work environment where we value your skills. If you already have experience as a developer and are looking for a new challenge, apply now! This position is based in the Czech Republic. YOUR TASKS You will work in an More ❯

Job Title: Back End Developer Location: Bristol (Hybrid) Salary: Up to £55,000 DOE Do you thrive on building robust, high-performance applications? Are you passionate about clean code, scalable architectures, and optimizing databases? We're looking for a Back End Developer to develop and maintain the core More ❯

At Great State , we create digital products and services that make a real impact. We're looking for a Software Engineer to help us push the boundaries of technology, craft exceptional digital experiences, and mentor the next generation of engineers. More ❯

Job Description Front and Backend C# Dot Net Javascript Software Developer with Umbraco Our Client is an established leader in the travel industry. They are looking to recruit a Full Stack Dot Net Software Developer to work on a major transformation programme for this award-winning Luxury More ❯

Senior C# Developer Hybrid - London (1-2 days onsite) up to £60,000 + Bonus Healthcare Tech We're working exclusively with a fast-growing healthcare technology provider that supports vital data infrastructure for NHS-aligned services and private health organisations across the UK. They're on the lookout … for a Senior C# Developer to help modernise internal platforms, automate data processes, and build robust Azure-based systems that directly impact patient and clinical outcomes. This is a brilliant opportunity to join a compact Agile team where your ideas will shape real-world solutions. You'll be hands More ❯

Role - Junior Back End Dev Location - Hybrid/Leeds Salary - £50K ish depending on experience My client is several versions into a usable AI chatbot and has a requirement for a junior Back End to assist the Full Stack/ More ❯

for the world. This is what #LifeAtBNY is all about. We’re seeking a future team member for the role of Senior Back End Developer, Vice President to join our Engineering team. This role is located in Manchester (hybrid). In this role, you’ll make an impact in More ❯

Senior Back-End Developer – Cambridge – Flexible Working Our mission is to empower organisations by creating intelligent, scalable solutions that enhance employee skills and improve business performance. Our team thrives on pushing boundaries, embracing bold ideas, and driving technical excellence in everything we do. We’re looking for a talented … Senior Back-End Developer to join us and help scale and optimise our cloud-based systems. Key Responsibilities: Design and maintain high-performance back-end systems using Clojure. Architect and deploy applications on AWS (ECS Fargate & CDK). Build and manage containerised applications with Docker. Develop scalable APIs and More ❯

Senior Back-End Developer – Cambridge – Flexible Working Our mission is to empower organisations by creating intelligent, scalable solutions that enhance employee skills and improve business performance. Our team thrives on pushing boundaries, embracing bold ideas, and driving technical excellence in everything we do. We’re looking for a talented … Senior Back-End Developer to join us and help scale and optimise our cloud-based systems. Key Responsibilities: Design and maintain high-performance back-end systems using Clojure. Architect and deploy applications on AWS (ECS Fargate & CDK). Build and manage containerised applications with Docker. Develop scalable APIs and More ❯

Longer-term secondments are also possible. Requirements: 1st or 2:1 in Computer Science or similar from a top university Good knowledge of web backend languages and technologies Solid understanding of databases and SQL, especially large databases Willingness to learn new languages and frameworks For historic reasons, some of More ❯

Longer term secondments are also possible. Requirements: 1st or 2:1 in Computer Science or similar from a top university Good knowledge of web backend languages and technologies Solid understanding of databases and SQL, especially large databases Willingness to learn new languages and frameworks For historic reasons, some of More ❯