26 to 50 of 81 Permanent Senior Backend Developer Jobs

Mid-Senior Backend Developer (Node.js) 2 days p/week in London £45-70k depending on experience Would you like the opportunity to join a rapidly growing organisation who have doubled in size every 12 months for the past few years. They’re currently looking for … with Node.js Familiarity with message brokers like SNS, Kafka, or similar. AWS. Interest working with data would be a bonus. If you’re a Backend Developer who has a real interest in software and technology, please apply. More ❯

Mintago is looking for a talented Senior Backend Developer to join our growing team. As part of our innovative company, you will have the opportunity to work on building high-performance NodeJS services utilizing cutting-edge technologies and frameworks, all underpinned with TypeScript. In this role, you … will collaborate closely with our frontend developers, product owners, and other stakeholders to deliver scalable and reliable solutions. If you are passionate about backend development and eager to work in a dynamic, fast-paced environment where your contributions will make a significant impact, we would love to hear from … you. You will join Mintago as our 3rd Senior Backend Developer. You will play a pivotal role in shaping the future of technology within our company, working in a fast-paced, high-performance environment. This role provides you with the chance to significantly influence the direction of the More ❯

offices in 6 countries. Our offices are in London, Barcelona, Aarhus, Aalborg, Copenhagen, Stockholm and Oslo. What will you be working on? As a Senior Backend Developer, your primary tasks will include among other: Developing performance-critical and scalable microservices and APIs with state of the art … an agency or consultancy firm. You have experience with CMS system Umbraco or other such as Contentful, Storyblocks or other. Previous experience as a senior developer within a project team. You are familiar with basic software patterns and principles like SOLID, Domain Driven Development, Dependency Injection, CQRS etc. More ❯

Senior Developer - Backend C# Remote initially then hybrid – Horsham (3 Days Office/2 Remote) Profectus Recruitment is proud to be working exclusively with a leading technology client as they continue to scale their in-house engineering function. We are currently seeking a highly capable Senior Back-End Developer with a strong foundation in C# and deep experience in database-driven development. This is a fantastic opportunity to join a fast-moving, product-led environment, where technology underpins everything the business delivers. The successful candidate will play a key role in the ongoing development More ❯

Senior .NET Developer (£65k + benefits) Great opportunity for a Senior .NET Developer to join a SaaS scale-up in Manchester. Since their inception in 2015 this company has grown from start-up to scale-up, they now employ almost 200 people and have over … increments of value to their customers very frequently. This role sits within the team responsible for developing their flagship software platform and as a Senior .NET Developer you'll be given the opportunity to build, test and ship super-fast in a team that cares about engineering best More ❯

UK. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Job Description Senior Backend Developer with C# .net Working as part of the Digital team, you'll be responsible for the ongoing development and improvements … winning Travel Company. You Will Be Responsible For Leading the eCommerce web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - youll need to be able to analyse and suggest improvements to existing website … and familiar with JIRA and confluence Not afraid to challenge existing thinking in order to improve processes The Client will consider candidates with solid Backend development skills without Umbraco. The salary for this role will be in the range £55K to £80K per year depending on experience. The Client More ❯

Senior Backend Developer (Platform team) Europe About Smartcat Smartcat is building the future of work, where human expertise meets digital teammates to drive 10x to 1000x productivity gains for the world’s leading enterprises. We’re on the frontier of an entirely new category: Agentic AI. We … with us. Join us in unlocking global potential, one human and agent team at a time. Why you should join our team As a Senior Software Engineer on our Product Platform Team (which is focused on our Product’s API Gateway), you will play a pivotal role in rebuilding More ❯

Senior Backend Developer with C# .net Framework Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading the … eCommerce web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways to automate processes working … and familiar with JIRA and confluence Not afraid to challenge existing thinking in order to improve processes The Client will consider candidates with solid Backend development skills without Umbraco. The salary for this role will be in the range £50K to £80K per year depending on experience. The Client More ❯

Social network you want to login/join with: Senior Python Developer, Principal BackEnd Developer, Flask, Up to £90k + Benefits, London Client: Experis UK Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 16.05.2025 Expiry Date: 30.06.2025 Job … Description: We are seeking a talented and driven Backend Engineer to join a dynamic team focused on creating and deploying innovative software solutions. The role involves working closely with cross-functional teams, including engineering, product management, design, and QA, to develop cutting-edge features that power our platform. Key … product management, design, and QA teams. Promote best practices: Advocate for and enforce coding standards, architectural patterns, and best practices, leveraging your expertise in backend technologies to guide peers and ensure high-quality code. Automation and process improvement: Enhance development efficiency, reliability, and scalability through creating automated processes that More ❯

At CORUS we are looking for a Senior Backend Developer (.Net & Azure) to join our team in an international insurance project. Location: 100% remote from Spain Main tasks : Take the responsibility to design and implement the integration solution based on the business requirements throughout the entire project More ❯

VC, we are accelerating our vision to become the go-to provider for AI-driven automation solutions across the globe. About the Role As Senior Backend Developer in the Product team, you are responsible for building features and designing and implementing new endpoints. This involves diverse tasks … We Work About You 5+ years working with Python and frameworks like Django, Flask, or FastAPI, with a strong command of building and optimizing backend systems. Hands-on experience with relational/SQL databases, ensuring efficient and reliable data management. Well-versed in software engineering essentials such as unit More ❯

lead digital transformation in the tourism industry and create products that inspire travelers worldwide, we want to hear from you. YOUR IMPACT As a Senior Backend Developer, you'll play a key role in building the integration framework that powers our travel marketplace. You'll develop scalable … Enhance system reliability with monitoring, caching, and automated testing. Collaborate cross-functionally to drive innovation and integration efficiency. WHO YOU ARE? 4+ years in backend development with Node.js & TypeScript . Strong expertise in NestJS and scalable backend architectures. Experience with PostgreSQL , including performance optimization. Proficiency in RESTful APIs More ❯

lead digital transformation in the tourism industry and create products that inspire travelers worldwide, we want to hear from you. YOUR IMPACT As a Senior Backend Developer, you'll play a key role in building the integration framework that powers our travel marketplace. You'll develop scalable … Enhance system reliability with monitoring, caching, and automated testing. Collaborate cross-functionally to drive innovation and integration efficiency. WHO YOU ARE? 4+ years in backend development with Node.js & TypeScript . Strong expertise in NestJS and scalable backend architectures. Experience with PostgreSQL , including performance optimization. Proficiency in RESTful APIs More ❯

Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 05.05.2025 Expiry Date: 19.06.2025 col-wide Job Description: We're Hiring: Senior Java Developer (Backend Focus) Compensation: Up to 77k DOE + bonus + other benefits Are you passionate about building robust backend systems and delivering high-quality, scalable applications? We're looking for a Senior Java Developer to join an exciting, collaborative project team working at the cutting edge of backend engineering. You'll play a key role in designing , developing , and launching new features that make a … Java technologies (Java 11+, JDK 17) and gain experience in a cloud-native, microservices-driven environment. What you’ll be doing: Design clean, scalable backend systems with a strong focus on best practices. Collaborate with a talented engineering team to design, build, and maintain high-quality applications. Maintain code More ❯

We're now looking for a Senior Developer to join the Conferma team to build and maintain the systems that enable billions of pounds of B2B payments each year. From part of our development team, you'll work in an Agile environment to deliver innovative and robust solutions. … to deliver exciting new features and help us reach new markets worldwide. You will ensure our software is extensible, robust, performant and secure. A Senior Software Developer at Conferma is responsible for: Building the mobile, web and backend platforms that streamline payment processes, reduce admin and improve More ❯

We're now looking for a Senior Developer to join the Conferma team to build and maintain the systems that enable billions of pounds of B2B payments each year. From part of our development team, you'll work in an Agile environment to deliver innovative and robust solutions. … to deliver exciting new features and help us reach new markets worldwide. You will ensure our software is extensible, robust, performant and secure. A Senior Software Developer at Conferma is responsible for: Building the mobile, web and backend platforms that streamline payment processes, reduce admin and improve More ❯

Senior Software Developer (TS/SCI) Full Time-Regular Washington, DC, VA, US Title: Senior Software Developer Clearance: Active TS/SCI Required Location: NCE Overview: IntelliBridge is an award-winning national security company looking for a Software Developer to support a Special Operations contract. More ❯

providing continuous support through vigilant monitoring, swift debugging, and rigorous testing . Drive Innovation: You'll spearhead the automation and ongoing enhancement of our backend, pushing the boundaries of what's possible. Your primary focus will be on creating a scalable, serverless architecture that's ready to meet the … challenges of tomorrow. Requirements You're already experienced in working as a backend developer for >6 years and have very good knowledge of development with TypeScript in Node.JS Lambdas . You use Infrastructure as code and have experience in AWS Serverless Services . You have experience with SQL … You're ready to step up and take responsibility within a team-As a dedicated team player , you're motivated to develop robust, scalable backend systems and contribute to the foundation of a powerful, connected customer ecosystem. You are motivated to develop yourself further in the areas and are More ❯

Join a Gold status Adobe agency as Senior Backend Adobe Commerce Developer. Use the latest tech on award-winning projects for exciting brands. Enjoy paid-for training, flexible working, bonuses, and clear progression. If you have strong experience of Adobe Commerce backend development in a fast-paced … who cares wins which ensures collaboration, innovation, and client success. The Opportunity As we continue to grow 20% YOY, we’re looking for a Senior Backend Adobe Commerce Developer to join our team. You’ll feel at home in a well-established and multi-certified development team … building bespoke modules, integrations, and backend solutions for large scale, complex Adobe Commerce projects. You’ll regularly perform code reviews, participate in technical planning, troubleshoot and resolve technical issues, and ensure the performance, scalability and security of backend systems. Utilising your strong technical knowledge, you’ll be able More ❯

k + Benefits 2 days on site in North London 3 days remote I am recruting for a talented and driven Backend Engineer to join a dynamic team, focused on the creation and deployment of innovative software solutions. As a Backend Engineer, you will work closely with cross … product management, design, and QA teams. Promote best practices : Advocate and enforce coding standards, architectural patterns, and best practices. Your in-depth knowledge of backend technologies will help guide and support your peers, ensuring high-quality code. Automation and process improvement : Increase development efficiency, reliability, and scalability by creating … frameworks). Expertise in designing architectures that meet scalability, reliability, and security goals. Strong problem-solving skills, particularly in product development. Solid understanding of backend best practices, coding standards, and architectural patterns. Experience in automating builds (CI/CD), feature flags, and automated testing. Bonus Skills: Experience with message More ❯

mission to reimagine the multiplayer gaming landscape, with an emphasis on crafting groundbreaking survival experiences that champion player agency and drama . As a Backend Programmer at Red Rover Interactive, you will play a crucial role in the development of our backend systems and services that power our … for designing, developing, and maintaining APIs, databases, and server-side applications, ensuring that our games are always running smoothly. Develop, maintain, and optimize scalable backend systems, including databases, servers, and APIs, to support real-time multiplayer gaming experiences. Collaborate with game developers, designers, and frontend engineers to design backend … with game mechanics and features. Implement and maintain RESTful APIs, WebSocket services, and other communication protocols. Ensure the security, reliability, and scalability of all backend systems. Monitor and troubleshoot server performance, including load balancing and system health. Develop database schemas, manage data storage solutions, and optimize queries to ensure More ❯

Your experience as a Senior Rust Developer is required to join a motivated company in the gaming space, currently seeking a talented and experienced professional to work on projects serving a global community of enthusiasts. Noted for their record of successful projects and strong support from top investors … for the subject matter and a genuine passion for technology. This is an awesome company doing awesome things. If you're a quality Rust Developer, then this one is for you. #J-18808-Ljbffr More ❯

with major tech brands including Instagram , Facebook and Google. Role Overview Given our exciting and progressive growth plans, we are looking for an exceptional Senior Back-End Engineer to come join our global business. Working collaboratively in a cross-functional product team within a tribe , you will beaccountable for … systems and tools/protocols like Kafka, and gRPC will be a plus. Experience - Have experience (~3+ years) working on internal product engineering teams, developer tools, developer productivity or infrastructure products at scale. Adaptable - Are a generalist engineer with an ability to pick up new frameworks quickly and More ❯

to make investing accessible and commission-free, they’re genuinely reshaping how everyday people build their financial futures. They’re now looking for both Senior and Staff Backend Engineers to join the team. The stack is primarily TypeScript and Node.js , but they’re open to strong backend … on: Scalable infrastructure to power both web and mobile platforms Automation tools and performance improvements Reliability and systems engineering Salary: Up to £107K for Senior Up to £120K for Staff Benefits: 25 days holiday + bank holidays + your birthday off Enhanced pension scheme Private health insurance Dedicated learning More ❯

to make investing accessible and commission-free, they’re genuinely reshaping how everyday people build their financial futures. They’re now looking for both Senior and Staff Backend Engineers to join the team. The stack is primarily TypeScript and Node.js , but they’re open to strong backend … on: Scalable infrastructure to power both web and mobile platforms Automation tools and performance improvements Reliability and systems engineering Salary: Up to £107K for Senior Up to £120K for Staff Benefits: 25 days holiday + bank holidays + your birthday off Enhanced pension scheme Private health insurance Dedicated learning More ❯