76 to 100 of 108 Permanent Backend Developer Jobs

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 ❯

And even though insurance is our everyday business - as an insurer we are not ordinary. We are as diverse and surprising as Berlin. From the students to the board of directors, we are a team of motivated, smart and creative 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 ❯

building hotel related software; we're revolutionizing the hospitality industry with technology that powers over 91,000 hotels worldwide. As a Senior Back-end Developer on our team at Reviewpro Reputation , you'll be part of a dynamic and innovative environment where your skills can make a real difference. … the team that design the software that processes billions of review, survey, and management data daily. In this team you will enjoy a real backend development experience since you will: Design the database and model data; in our system this part is crucial due to the amount of information … the microservices that live in our ecosystem; we have many microservices exchanging and serving data to the outside world. As a Senior Back-end Developer, you will own your tasks and decide how to tackle them, working in a great team of experienced developers; we love both working together 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 ❯

new platform/marketplace with an user interface, registration, profile creation, service list, payment integration, reviews and ratings, dispute resolution, etc. Role: Back-end developer responsibilities. 1. System Architecture Design Design and implement a scalable and maintainable backend architecture. Ensure the application can handle high traffic, complex workflows … like PayPal, Stripe, etc.). Messaging system (real-time chat between users and sellers). Review and rating system. Develop APIs to connect the backend to the front-end and mobile applications. 3. Database Design and Management Design efficient, normalized database schemas to handle: User data. Service listings. Transactions … like: Payment processing. Geolocation. Analytics (e.g., Google Analytics, custom dashboards). Email and notification systems. 7. Collaborating with Frontend Developers Ensure smooth communication between backend APIs and frontend (e.g., Vue.js). Work closely with front-end teams to deliver consistent user experiences. 8. Code Reviews and Mentorship Conduct code More ❯

a purpose. We are committed to supporting your success in both your professional and personal lives. Position Overview We are recruiting for a Java Developer to design and develop complex new software products and make significant enhancements to existing software. The ideal candidate is a hands-on developer More ❯

Senior Back-End Developer - Laravel/PHP - Fully Remote Senior Back-end Developer – Laravel/PHP, RESTAPI, MySQL, Microservices We are looking for a Senior Back-end Developer with strong Laravel experience to join a remote team building a high-end platform. This is a fully remote … the UK (or UK Timezone +/- 2 hours). This is an exciting oppotunity to join a growing Tech Team in a Senior Developer role. There is lots of opportunity for development and progression! The Role You’ll be working on a web and app-based platform, playing … a key role in designing, developing, and maintaining backend systems. The focus is on scalability, performance, and clean code and this is a team that values high-quality engineering. What you’ll be doing Developing and maintaining backend systems in PHP (Laravel) Designing and optimising REST APIs Ensuring More ❯

Back End Developer Location: Hull/Hybrid Salary: £30000-35000 per annum DOE + Flexible Working, Every other Friday off and Excellent Benefits Are you ready to be a changemaker in performance marketing? Do you want to be part of an award agency that offers flexible working and the … opportunity to have every other Friday off? Summit has an exciting opportunity for a Back End Developer to join us on a full-time hybrid basis. We offer flexible start and finish times as well as having every other Friday off . We trust our people to work flexibly … from home. For the right candidate, we may also consider greater flexibility around office time. What will you be doing? As a Back-End Developer within our Product Development team at Summit, you will be responsible for the back-end development of our market-leading, proprietary technology solutions for More ❯

Join an innovative OEM at the forefront of EV charging technology. We are looking for a Back End Developer to help build robust, scalable systems that power the future of electric vehicle infrastructure. You will work with modern technologies to develop backend services, APIs, and databases, ensuring the … opportunity to be part of a fast-growing sector and contribute to developing sustainable transport solutions. What we are looking for: Strong experience in backend development using languages such as Python, Node.js, or Java Experience working with cloud platforms such as AWS, Azure, or Google Cloud Knowledge of database … management, including SQL and NoSQL databases An understanding of scalable architecture, system security, and best practices in backend development Further information can be given upon request and subject to meeting suitability criteria More ❯

will be developing, enhancing and supporting the Company’s customer engagement platform which deals with the various customer communication channels. CRM operates as a backend team who are in the process of expanding the product offering to the Business whilst also preparing to re-architect parts of the solution … matters to stakeholders across different areas of the Business. Experience with software development methodologies and best practices. Understanding of the development of automation and developer tooling such as Continuous Build and CI systems. Bachelor’s degree in Computer Science or a relevant discipline, or relevant professional experience. Main Responsibilities More ❯

will be developing, enhancing and supporting the Company’s customer engagement platform which deals with the various customer communication channels. CRM operates as a backend team who are in the process of expanding the product offering to the Business whilst also preparing to re-architect parts of the solution … matters to stakeholders across different areas of the Business. Experience with software development methodologies and best practices. Understanding of the development of automation and developer tooling such as Continuous Build and CI systems. Bachelor’s degree in Computer Science or a relevant discipline, or relevant professional experience. Main Responsibilities More ❯

iO Associates are supporting a growing technology consultancy in the Security and Defence sector in their search for an experienced Back-End Developer who thrives in high-assurance environments. Location: Cheltenham - hybrid working available Rate: £625 - £700 per day, Inside IR35 Duration: 12 months+ Due to the exciting nature More ❯

Back End Developer - West Yorkshire Technologies: PHP/Laravel/MySQL/HTML/CSS Join a thriving eCommerce retailer as a Back End Developer during a time of ongoing success and growth. Salary up to £45k Office in Huddersfield - office based 3 days a week As a More ❯

Senior Software Developer/Manager (C++ Back-End Development) Location: San Diego, CA Clearance: Current and Active Secret Description Our customer is seeking a highly skilled and strategic senior software professional with extensive experience in the defense sector to drive software development of critical products and programs by driving … in aligning our technical capabilities with the mission-critical needs of our government, Department of Defense (DoD), and federal security customers. As a Senior Developer, you will be responsible for delivering best in class software products from concept through delivery, ensuring solutions are market-ready and meet the highest … software products that meet federal security and compliance standards, including NIST, FIPS, and other relevant frameworks. • Must be an expert back-end C++ software developer/engineer/programmer, capable of coordinating technical delivery across firmware, UI/UX and AI/ML SW engineering teams. • 5+ years of More ❯

build scalable infrastructure powering AI-driven legal automation. You'll work with cutting-edge tech to build and optimise high-performance systems. Key Responsibilities Backend Development: Build and refine APIs and services using Python (FastAPI, Pydantic). Scalable Infrastructure: Design, implement, and optimise cloud-based solutions for AI workloads. More ❯

s ambitious journey towards becoming one of the world's Top 3 Economies smoother. Job Brief: We are looking for a Back-End Web Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side … well. Preferred Technical Expertise: Bachelor's or Master's degree in Computer Science, Information Systems, or equivalent. Typically 2.5-3 years of experience. Software developer programming experience (2+ years) Advanced knowledge of JavaScript, Node.js, Python, Java Basic knowledge of Design and Architectural patterns Good understanding of HTTP(S) protocol More ❯

Job Title: Back-End Developer Location: Reading (Hybrid) Salary: Up to £60,000 DOE Are you passionate about building powerful backend systems that drive real-world impact? Benefits! ? Hybrid Flexibility - Balance office time and remote work your way ? Modern Tech Stack - Node.js, Python, .NET, cloud-native tools & more More ❯

Back End Developer/Software Engineer (Rust Low Latency) Remote UK to £150k Are you a back end technologist seeking an opportunity to progress your career, working on cutting edge tech within the cryptocurrency space? You could be joining an early stage start-up building a cross chain liquidity … you: Salary to £150k Remote working, flexible start/finish times Opportunity to join a scaling tech company Your role: As a Back End Developer you'll join a small technology team, working with Rust on the core platform, building low latency and highly parallelised systems with a focus … Computer Science You're collaborative with experience of collaborating with remote, geographically dispersed colleagues Apply now to find out more about this Back End Developer/Software Engineer (Rust Low Latency Cryptocurrency) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their More ❯

We are willing to accept a totally remote candidate from the UK - 90K base Experience in architecting large and/or enterprise level Backend-end applications. Develop and maintain robust, high-performing NodeJS applications utilising TypeScript. Ideally 10+ years of server side development. Experience in using and deploying to … optimised SQL. Customise development and build tools. Implement industry standard best practices and utilise renown supporting libraries. Assist in designing, implementing, and maintaining our backend development tools and processes. Write clean, tested, well-documented, and maintainable code that adheres to coding standards and best practices. Continued contribution to both … and integrated testing for all delivered code. Collaborate and coordinate with frontend developers. Stay up to date with latest trends and emerging technologies in backend NodeJS development and share knowledge with the team. More ❯