26 to 50 of 70 Backend Developer Jobs

Senior Backend Web Developer (Multi-Language) with AI Expertise Location: Bristol In House/Hybrid (must be within commutable distance of Bristol) Employment Type: Full-time Experience Level: Senior Salary: £60k - £80k About the Role We are seeking a highly skilled Senior Backend Web Developer with … expertise across multiple backend technologies such as Python, .NET, and PHP to join our growing development team working on our AI communications platform. In this role, you will architect, build, and maintain robust backend systems while also providing mentorship and technical leadership to a team of junior developers. ...

client is building a fast-growing marketing platform and looking for a Senior Solutions Architect/Backend Developer to play a pivotal role in shaping the architecture of their next-generation platform. You’ll design, build, and scale mission-critical systems, working closely with experienced backend engineers … Solutions Architect with deep AWS expertise Production experience with TypeScript (Node.js) or Python Hands-on development using AWS Solid understanding of modern backend engineering, CI/CD, and integrations Confident communicator who enjoys collaborating and leading technical direction What we offer A small, highly capable team building innovative products ...

Description: Role/Job Title: Mobile Backend Developer (JAVA/Kotlin) Work Location: Manchester Tues/Wed/Thur The Role Seeking a Senior Application Engineer (Backend cloud based application development) with deep technical expertise and thought leadership. You will drive strategy for your area of expertise … across teams and foster a developer community within your domain. The role involves mentoring junior staff, ensuring high-quality deliverables, promoting best practices like TDD and BDD, and leading engineering practices across the SDLC. Your Responsibilities: Provide advanced technical expertise in Backend Development, supporting the team with effective ...

Role: Backend Software Developer Salary: £100,000 P/A + Comps Location: London (Hybrid/Flexible working) Client: Start up/Scale Up 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. What ...

Senior Backend Developer (PHP) - £55,000 - On-site The Team & Technology The Web Development team is a core part of the business, responsible for building and maintaining the digital platforms that power our user experience. We manage the websites that onboard all users, the customer portals used ...

Description: Role/Job Title: Mobile Backend Developer (JAVA/Kotlin) Work Location: Manchester Tues/Wed/Thur The Role Seeking a Senior Application Engineer (Backend cloud based application development) with deep technical expertise and thought leadership. You will drive strategy for your area of expertise … across teams and foster a developer community within your domain click apply for full job details ...

Backend API & Integrations Developer Typical UK Salary: £55,000 – £85,000 per year Key Responsibilities: • Build and maintain backend APIs supporting all portal modules. • Integrate with telecom APIs, SIP platforms, and webhook systems. • Implement database schemas and optimise queries. • Develop the tender module, supplier marketplace backend … summarisation logic. • Maintain API gateway routing and service-to-service communication. • Work with DevOps on deployment and reliability. Required Skills: • Strong Node.js or Python backend development. • Experience with RESTful API design. • Database experience (PostgreSQL, MySQL, or MongoDB). • Experience integrating 3rd-party APIs. • Understanding of async workflows and queues. ...

Senior Backend Engineer (PHP) - OOP, PHP, MySQL, TDD - Fareham, Hampshire. This is an in office role. - Salary circa £60,000 plus benefits An exciting new opportunity for a Senior Backend Engineer to join an entrepreneurial business based in Fareham. Working within a dedicated LAMP environment and reporting ...

existing buildings. Their product plays a key role in helping customers reach net-zero climate goals . They're looking to hire a Backend .NET Developer to support their growing team. As a Microsoft Gold Partner , they work with modern tools and technologies, and this role offers … chance to develop solutions in a cloud-based environment. Tasks Develop scalable , reliable , and efficient backend services for our cloud-native IoT platform . Take ownership of entire functional areas or services and guide them through the full development lifecycle . Actively shape system architecture and select the most ...

Developer Salary: Up to £60,000 + Performance Bonus (up to 10%) An innovative technology company is seeking a PHP Developer to join their growing team. This organisation is dedicated to delivering cutting-edge digital solutions and security-focused applications that protect users across multiple platforms. As part … backend development team, you will play a key role in building and optimising systems that power customer onboarding, account management portals, and APIs for a suite of security products. This is an opportunity to work on high-traffic applications in a fast-paced environment, using modern technologies and best ...

About us Embark on a transformative journey as a Senior Software Developer with a world-renowned energy innovator committed to reshaping the future of our planet's energy landscape. In this unique opportunity, you'll be at the forefront of cutting-edge technology, contributing to the development of software …/CD pipelines, and automated deployments. Profile Degree in Computer Science, Software Engineering, or a related field. 4+ years of hands-on experience in backend development with .NET/C#. Strong expertise in Microservices architecture , REST APIs, and event-driven systems . Hands-on experience with Azure cloud services ...

very best people to join our growing team. And as part of our rapid expansion, we’re looking for an experienced Senior Backend Developer to join our in-house development team. This is the perfect opportunity to lead technical initiatives, manage a team of your fellow developers … help shape our backend architecture. Key Responsibilities: Design and architect scalable backend systems and APIs Establish and improve coding standards and best practice Optimise database performance and design efficient data models Implement advanced catching strategies and data persistence solutions Develop and lead testing procedures Conduct thorough code reviews ...

Title: Java Backend DeveloperLocation: Toronto/New York/Mount Laurel (On-site)Duration: 6 months (possibility of extension)Implementation Partner: InfosysEnd Client: To be disclosedJD: Minimum Years of Experience: 5+ Years Strong experience in Java, Spring Boot, and Microservices API development and integration experience Building scalable backend ...

Senior Developer (Contract, AI-Driven Environment, Node.JS) We’re looking for an experienced backend senior developer to support API development and backend delivery for a high-traffic consumer platform. You’ll work alongside front-end engineers to build scalable, secure, and performant systems using modern tools … Code, Codex, or similar) to speed up development Make confident technical decisions with minimal guidance Follow clear architectural standards and established development patterns Understand backend performance, scalability, and security at production scale Build reliable, maintainable APIs and data systems Collaborate effectively with front-end developers to design and implement ...

skills can be applied meaning a vast array of opportunities are now available to you. Examples of some of these are listed below: - Junior Developer Website Support Developer Junior Web Developer Content Editor Wordpress Developer Junior Software Developer Junior Front or Back End Development Development ...

global leading Martec organisation is looking to add a talented Staff Software Engineer to their close-knit, back-end software developer community.The role will be hands-on as well as leading the team to shape the future backend systems. As a Staff Software Engineer, you'll lead backend … tolerance, and data-heavy workloads while influencing product strategy.Requirements: Strong foundations in algorithms, data structures, and distributed systems Experience building and operating large-scale backend systems Expertise in system and API design, scalability, and performance tuning Proficiency in a modern backend language (Java preferred) Knowledge of cloud-native ...

global leading Martec organisation is looking to add a talented Staff Software Engineer to their close-knit, back-end software developer community. The role will be hands-on as well as leading the team to shape the future backend systems. As a Staff Software Engineer, you'll lead … backend architecture, scaling secure distributed systems for a growing customer base. Set engineering standards, mentor engineers, and collaborate across teams to deliver scalable features. Tackle challenges in performance, fault tolerance, and data-heavy workloads while influencing product strategy. Requirements: Strong foundations in algorithms, data structures, and distributed systems Experience ...

Key Responsibilities AEM Development: Design, develop, and maintain AEM components, templates, workflows, and OSGi services using Java and the Sling framework. Front-End Integration: Collaborate with UX/UI teams to integrate front-end code ...

Senior Backend Software Engineer A rapidly scaling, AI-driven health-tech organisation (Series A funded) is hiring an experienced Senior Backend Engineer to help build and scale the backend infrastructure powering cutting-edge clinical knowledge tools used by hundreds of thousands of clinicians globally. This … small, highly capable team of clinician-engineers at the forefront of AI in healthcare. The Opportunity You will design, build, and optimise cloud-first backend systems, with a strong emphasis on AWS Serverless , LLM-powered workflows, and highly reliable production infrastructure. This is the chance to help define ...

Backend Engineer – London (Hybrid, 2 days/week in office) Harvey Nash have partnered with true Tech For Good, a fast-growing health-tech scale-up. They’ve recently secured significant funding and are expanding their engineering team in London. The Role You’ll help build and scale … backend systems behind their core platform. Expect to design secure, high-performing APIs, work across a fully serverless AWS environment, support an event-driven architecture, and collaborate closely with product and engineering teams. You’ll own features end-to-end and contribute to systems connecting thousands of members. What ...

existing buildings. Their product plays a key role in helping customers reach net-zero climate goals . They're looking to hire a Backend .NET Developer to support their growing team. As a Microsoft Gold Partner , they work with modern tools and technologies, and this role offers … chance to develop solutions in a cloud-based environment. Tasks Develop scalable , reliable , and efficient backend services for our cloud-native IoT platform . Take ownership of entire functional areas or services and guide them through the full development lifecycle . Actively shape system architecture and select the most ...

Key Responsibilities AEM Development: Design, develop, and maintain AEM components, templates, workflows, and OSGi services using Java and the Sling framework. Front-End Integration: Collaborate with UX/UI teams to integrate front-end code ...

Title: Back-End Developer Location: Warwick, once per month onsite Remuneration: Daily rate up to £500 Contract Details: Fixed Term Contract, 12 months, Full Time Responsibilities: Lead the back-end development of a cutting-edge website using Drupal/Acquia Site Studio, ensuring top-notch standards. Design and implement ...

strengthen online safety for everyday users. With continuous growth and new product innovation underway, the team is now looking for an experienced PHP Developer to join their high-performing engineering function. The Role As a Senior PHP Developer, youll play a key part in shaping and improving ...

Join a global community of talented professionals to shape the future of AI. Earn up to $15 USD/hr and additional rewards based on quality of submission. The following information provides an overview of ...