offices in 6 countries. Our offices are in London, Barcelona, Aarhus, Aalborg, Copenhagen, Stockholm and Oslo. What will you be working on? As a SeniorBackendDeveloper, 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 seniordeveloper within a project team. You are familiar with basic software patterns and principles like SOLID, Domain Driven Development, Dependency Injection, CQRS etc. More ❯
We're Hiring: Senior Java Developer (Backend Focus) 🚀 Role: Senior Java Developer Model: Onsite Bournemouth 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 real impact. This is a great opportunity to work with the latest 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 integrity More ❯
Horsham, West Sussex, South East, United Kingdom Hybrid / WFH Options
Profectus
SeniorDeveloper - 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 ❯
crawley, west sussex, south east england, united kingdom Hybrid / WFH Options
Profectus Recruitment
SeniorDeveloper - 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 ❯
London, England, United Kingdom Hybrid / WFH Options
Smartcat Platform Inc
SeniorBackendDeveloper (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 ❯
mission to make investing accessible and commission-free, this company is reshaping how everyday people build their financial futures. They’re looking for a SeniorBackend Engineer to join their team. While the current stack is primarily TypeScript and Node.js, they’re open to candidates with a strong … experience in any backend technology who are willing to transition and learn their ecosystem. The role The company has both web and mobile platforms, and as a SeniorBackend Engineer, you'll work on the backend to support these growing platforms. You'll focus on building … developing automation tools, and improving the overall system performance and reliability as the platform scales. Virtual job fairs Requirements 5+ years’ experience with any backend technology Startup experience Degree (Computer Science, Software Engineering or related) The role offers a salary of up to £100K plus benefits! 25 days holiday More ❯
mission to make investing accessible and commission-free, this company is reshaping how everyday people build their financial futures. They’re looking for a SeniorBackend Engineer to join their team. While the current stack is primarily TypeScript and Node.js, they’re open to candidates with a strong … experience in any backend technology who are willing to transition and learn their ecosystem. Online job hunting tools The role The company has both web and mobile platforms, and as a SeniorBackend Engineer, you'll work on the backend to support these growing platforms. You … on building infrastructure, developing automation tools, and improving the overall system performance and reliability as the platform scales. Requirements 5+ years’ experience with any backend technology Startup experience Degree (Computer Science, Software Engineering or related) The role offers a salary of up to £100K plus benefits! 25 days holiday More ❯
mission to make investing accessible and commission-free, this company is reshaping how everyday people build their financial futures. They’re looking for a SeniorBackend Engineer to join their team. While the current stack is primarily TypeScript and Node.js, they’re open to candidates with a strong … experience in any backend technology who are willing to transition and learn their ecosystem. The role The company has both web and mobile platforms, and as a SeniorBackend Engineer, you'll work on the backend to support these growing platforms. You'll focus on building … infrastructure, developing automation tools, and improving the overall system performance and reliability as the platform scales. Requirements 5+ years’ experience with any backend technology Startup experience Degree (Computer Science, Software Engineering or related) The role offers a salary of up to £100K plus benefits! 25 days holiday + Bank More ❯
mission to make investing accessible and commission-free, this company is reshaping how everyday people build their financial futures. They’re looking for a SeniorBackend Engineer to join their team. While the current stack is primarily TypeScript and Node.js, they’re open to candidates with a strong … experience in any backend technology who are willing to transition and learn their ecosystem. The role The company has both web and mobile platforms, and as a SeniorBackend Engineer, you'll work on the backend to support these growing platforms. You'll focus on building … infrastructure, developing automation tools, and improving the overall system performance and reliability as the platform scales. Requirements 5+ years’ experience with any backend technology Startup experience Degree (Computer Science, Software Engineering or related) The role offers a salary of up to £100K plus benefits! 25 days holiday + Bank More ❯
mission to make investing accessible and commission-free, this company is reshaping how everyday people build their financial futures. They’re looking for a SeniorBackend Engineer to join their team. While the current stack is primarily TypeScript and Node.js, they’re open to candidates with a strong … experience in any backend technology who are willing to transition and learn their ecosystem. The role The company has both web and mobile platforms, and as a SeniorBackend Engineer, you'll work on the backend to support these growing platforms. You'll focus on building … infrastructure, developing automation tools, and improving the overall system performance and reliability as the platform scales. Requirements 5+ years’ experience with any backend technology Startup experience Degree (Computer Science, Software Engineering or related) The role offers a salary of up to £100K plus benefits! 25 days holiday + Bank More ❯
mission to make investing accessible and commission-free, this company is reshaping how everyday people build their financial futures. They’re looking for a SeniorBackend Engineer to join their team. While the current stack is primarily TypeScript and Node.js, they’re open to candidates with a strong … experience in any backend technology who are willing to transition and learn their ecosystem. The role The company has both web and mobile platforms, and as a SeniorBackend Engineer, you'll work on the backend to support these growing platforms. You'll focus on building … infrastructure, developing automation tools, and improving the overall system performance and reliability as the platform scales. Requirements 5+ years’ experience with any backend technology Startup experience Degree (Computer Science, Software Engineering or related) The role offers a salary of up to £100K plus benefits! 25 days holiday + Bank More ❯
mission to make investing accessible and commission-free, this company is reshaping how everyday people build their financial futures. They’re looking for a SeniorBackend Engineer to join their team. While the current stack is primarily TypeScript and Node.js, they’re open to candidates with a strong … experience in any backend technology who are willing to transition and learn their ecosystem. The role The company has both web and mobile platforms, and as a SeniorBackend Engineer, you'll work on the backend to support these growing platforms. You'll focus on building … infrastructure, developing automation tools, and improving the overall system performance and reliability as the platform scales. Requirements 5+ years’ experience with any backend technology Startup experience Degree (Computer Science, Software Engineering or related) The role offers a salary of up to £100K plus benefits! 25 days holiday + Bank More ❯
Social network you want to login/join with: Senior Python Developer, Principal BackEndDeveloper, 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 ❯
VC, we are accelerating our vision to become the go-to provider for AI-driven automation solutions across the globe. About the Role As SeniorBackendDeveloper 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 ❯
City of London, England, United Kingdom Hybrid / WFH Options
Randstad (Schweiz) AG
VC, we are accelerating our vision to become the go-to provider for AI-driven automation solutions across the globe. About the Role As SeniorBackendDeveloper 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 ❯
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 SeniorDeveloper 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 SeniorDeveloper 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 SeniorDeveloper 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 SeniorDeveloper 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 ❯
Leeds, England, United Kingdom Hybrid / WFH Options
All Response Media Limited
Description: We are seeking a highly skilled and motivated SeniorBackend Engineer with a strong foundation in Python and object-oriented programming. In this role, you will be responsible for designing, developing, and maintaining the server-side components of our software applications. You will collaborate closely with cross … functional teams—Data Engineers, Cloud Engineers, and Product stakeholders—to deliver scalable, secure, and efficient backend solutions. The ideal candidate will have solid experience in CI/CD pipelines, cloud infrastructure (especially AWS), and modern backend architectures. Exposure to JavaScript and PHP is desirable, and familiarity with event … both organically and new business wins and is now ranked in the top 15 UK Media Planning and Buying agencies. Headed by the most senior executive board of any UK-based performance agency, with over 160 talented professionals working from our offices in London, Leeds, Amsterdam and Paris, we More ❯
us as we set new standards in trust, innovation, and the future of iGaming. SUMMARY OF THE POSITION KTO is actively seeking an experienced Senior Java BackendDeveloper to join our dynamic team. We're in need of a self-driven individual with a proven track record … efficiently, ensuring our continued success and leadership in the industry. MAIN RESPONSIBILITIES Collaborate with a team to understand and implement complex logic in our backend platform solutions. Write maintainable and scalable code following best practices. Stay up-to-date with the latest techniques, frameworks, and libraries relevant to Java … backend development. Translate business requirements into technical solutions, estimate time and costs, and determine requirements and specifications. Develop, test, and deploy backend solutions to our clients' satisfaction. Provide ongoing maintenance for present and future projects. Work collaboratively with cross-functional teams to define and develop product roadmaps. Collaborate More ❯
Back, Scotland, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Back End Adobe Commerce Developer, back col-narrow-left Client: The Pixel Location: back, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 12.05.2025 Expiry Date: 26.06.2025 col-wide Job … Description: Join a Gold status Adobe agency as SeniorBackend 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 … who cares wins which ensures collaboration, innovation, and client success. The Opportunity As we continue to grow 20% YOY, we’re looking for a SeniorBackend Adobe Commerce Developer to join our team. You’ll feel at home in a well-established and multi-certified development team More ❯
Join a Gold status Adobe agency as SeniorBackend 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 SeniorBackend 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 ❯