1 to 25 of 107 Backend Developer Jobs in London

Lead Backend Developer/Software Engineer (Python Java AWS) London/WFH to £115k Are you a backend focussed software developer with leadership skills? You could be progressing your career at a scale-up tech company (established 10 years), that enables smart matching for commercial van … carbon neutral targets. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Lead Backend Developer you'll head up a team of 4-5 within an Agile environment to design and develop, troubleshoot and solve complex software … issues to help scale and future proof the business. You'll focus on backend Python and Java engineering on AWS but there's a range of other tech in the stack (JavaScript, Vue.js, TypeScript and of course a bit of legacy PHP!), you'll be encouraged to explore new More ❯

Lead Backend Developer/Software Engineer (Python Java AWS) London/WFH to £115k Are you a backend focussed software developer with leadership skills? You could be progressing your career at a scale-up tech company (established 10 years), that enables smart matching for commercial van … carbon neutral targets. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Lead Backend Developer you'll head up a team of 4-5 within an Agile environment to design and develop, troubleshoot and solve complex software … issues to help scale and future proof the business. You'll focus on backend Python and Java engineering on AWS but there's a range of other tech in the stack (JavaScript, Vue.js, TypeScript and of course a bit of legacy PHP!), you'll be encouraged to explore new More ❯

Lead Backend Developer/Software Engineer (Python Java AWS) London/WFH to £115k Are you a backend focussed software developer with leadership skills? You could be progressing your career at a scale-up tech company (established 10 years), that enables smart matching for commercial van … carbon neutral targets. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Lead Backend Developer you'll head up a team of 4-5 within an Agile environment to design and develop, troubleshoot and solve complex software … issues to help scale and future proof the business. You'll focus on backend Python and Java engineering on AWS but there's a range of other tech in the stack (JavaScript, Vue.js, TypeScript and of course a bit of legacy PHP!), you'll be encouraged to explore new More ❯

Backend Developer (Node.js) Overview Our client's technology powers thousands of retail websites, providing tools to help clients retain users and gain valuable analytical insights. They are seeking a talented Node.js Backend Developer with a strong background in serverless architecture, MySQL, distributed systems, infrastructure as code … and extensive AWS experience. As a key member of their development team, you will be responsible for building and maintaining high-performance, scalable backend systems. Your role will include designing, developing, and maintaining cutting-edge backend solutions, as well as mentoring junior developers. Responsibilities Design and implement serverless … backend solutions using Node.js, MySQL, and AWS technologies. Develop and maintain APIs and microservices to support various applications. Collaborate with cross-functional teams to gather requirements and propose effective solutions. Stay updated with emerging technologies and trends in backend development and AWS services. Document technical specifications, architectural decisions More ❯

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 a … 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 ❯

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 a … 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 ❯

Job Description Senior Backend Developer with Umbraco C# .net 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 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 ❯

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 from gathering … 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 ❯

Job Description Backend Developer (Umbraco) - Senior-level 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 alongside More ❯

Location: London EC2 (Office-based, 5 days pw - Monday to Friday) Salary: £70,000 – £80,000 + bonus Type: Full-time, Permanent Backend Java Developer Overview A leading FCA-regulated financial technology firm is seeking an experienced Backend Java Developer to join its growing team. This More ❯

Location: London EC2 (Office-based, 5 days pw - Monday to Friday) Salary: £70,000 – £80,000 + bonus Type: Full-time, Permanent Backend Java Developer Overview A leading FCA-regulated financial technology firm is seeking an experienced Backend Java Developer to join its growing team. This More ❯

Location: London EC2 (Office-based, 5 days pw - Monday to Friday) Salary: £70,000 – £80,000 + bonus Type: Full-time, Permanent Backend Java Developer Overview A leading FCA-regulated financial technology firm is seeking an experienced Backend Java Developer to join its growing team. This More ❯

Location: London EC2 (Office-based, 5 days pw - Monday to Friday) Salary: £70,000 – £80,000 + bonus Type: Full-time, Permanent Backend Java Developer Overview A leading FCA-regulated financial technology firm is seeking an experienced Backend Java Developer to join its growing team. This More ❯

Location: London EC2 (Office-based, 5 days pw - Monday to Friday) Salary: £70,000 – £80,000 + bonus Type: Full-time, Permanent Backend Java Developer Overview A leading FCA-regulated financial technology firm is seeking an experienced Backend Java Developer to join its growing team. This More ❯

Location: London EC2 (Office-based, 5 days pw - Monday to Friday) Salary: £70,000 – £80,000 + bonus Type: Full-time, Permanent Backend Java Developer Overview A leading FCA-regulated financial technology firm is seeking an experienced Backend Java Developer to join its growing team. This More ❯

to excel in a dynamic, high-energy environment. Join our team and help shape the future of AI. 🌎 Location and Legalities This full-time Backend Web Developer position is based onsite in our brand-new Ultralytics office in London, UK. Applicants must have legal authorization to work in … the UK, as Ultralytics does not provide visa sponsorship. 🚀 What You'll Do As a Backend Web Developer at Ultralytics, you will be the architect behind the scalable, high-performance services that power Ultralytics HUB. You will build the backbone that supports our global community in training and … frontend and AI research teams to deliver seamless, end-to-end features for our cutting-edge AI models. 🛠️ Skills and Experience 5+ years of backend development experience, with a strong portfolio of building scalable, production-grade web services. Expert-level proficiency in Python and significant experience with modern web More ❯

to excel in a dynamic, high-energy environment. Join our team and help shape the future of AI. 🌎 Location and Legalities This full-time Backend Web Developer position is based onsite in our brand-new Ultralytics office in London, UK. Applicants must have legal authorization to work in … the UK, as Ultralytics does not provide visa sponsorship. 🚀 What You'll Do As a Backend Web Developer at Ultralytics, you will be the architect behind the scalable, high-performance services that power Ultralytics HUB. You will build the backbone that supports our global community in training and … frontend and AI research teams to deliver seamless, end-to-end features for our cutting-edge AI models. 🛠️ Skills and Experience 5+ years of backend development experience, with a strong portfolio of building scalable, production-grade web services. Expert-level proficiency in Python and significant experience with modern web More ❯

to excel in a dynamic, high-energy environment. Join our team and help shape the future of AI. 🌎 Location and Legalities This full-time Backend Web Developer position is based onsite in our brand-new Ultralytics office in London, UK. Applicants must have legal authorization to work in … the UK, as Ultralytics does not provide visa sponsorship. 🚀 What You'll Do As a Backend Web Developer at Ultralytics, you will be the architect behind the scalable, high-performance services that power Ultralytics HUB. You will build the backbone that supports our global community in training and … frontend and AI research teams to deliver seamless, end-to-end features for our cutting-edge AI models. 🛠️ Skills and Experience 5+ years of backend development experience, with a strong portfolio of building scalable, production-grade web services. Expert-level proficiency in Python and significant experience with modern web More ❯

to excel in a dynamic, high-energy environment. Join our team and help shape the future of AI. 🌎 Location and Legalities This full-time Backend Web Developer position is based onsite in our brand-new Ultralytics office in London, UK. Applicants must have legal authorization to work in … the UK, as Ultralytics does not provide visa sponsorship. 🚀 What You'll Do As a Backend Web Developer at Ultralytics, you will be the architect behind the scalable, high-performance services that power Ultralytics HUB. You will build the backbone that supports our global community in training and … frontend and AI research teams to deliver seamless, end-to-end features for our cutting-edge AI models. 🛠️ Skills and Experience 5+ years of backend development experience, with a strong portfolio of building scalable, production-grade web services. Expert-level proficiency in Python and significant experience with modern web More ❯

excel in a dynamic, high-energy environment. Join our team and help shape the future of AI . Location and Legalities This full-time Backend Web Developer position is based onsite in our brand-new Ultralytics office in London, UK. Applicants must have legal authorization to work in … the UK, as Ultralytics does not provide visa sponsorship. What You'll Do As a Backend Web Developer at Ultralytics, you will be the architect behind the scalable, high-performance services that power Ultralytics HUB . You will build the backbone that supports our global community in training … and AI research teams to deliver seamless, end-to-end features for our cutting-edge AI models . ️ Skills and Experience 5+ years of backend development experience, with a strong portfolio of building scalable, production-grade web services. Expert-level proficiency in Python and significant experience with modern web More ❯

excel in a dynamic, high-energy environment. Join our team and help shape the future of AI . Location and Legalities This full-time Backend Web Developer position is based onsite in our brand-new Ultralytics office in London, UK. Applicants must have legal authorization to work in … the UK, as Ultralytics does not provide visa sponsorship. What You'll Do As a Backend Web Developer at Ultralytics, you will be the architect behind the scalable, high-performance services that power Ultralytics HUB . You will build the backbone that supports our global community in training … and AI research teams to deliver seamless, end-to-end features for our cutting-edge AI models . ️ Skills and Experience 5+ years of backend development experience, with a strong portfolio of building scalable, production-grade web services. Expert-level proficiency in Python and significant experience with modern web More ❯

an agentic AI system that seamlessly integrates into clients' systems, automating compliance and portfolio risk analysis processes Job Summary: We are seeking a skilled Backend Developer with 2-5 years experiences to join our dynamic team. In this role, you will be instrumental in designing, building, and maintaining … the backend infrastructure that powers our SaaS platform. You will work closely with cross-functional teams to ensure seamless integration and the optimal performance of our systems. Responsibilities: Work closely with our data and engineering teams to understand and improve the current code repository and dataset structures. Build and … data integrity and security through the implementation of best practices and industry standards. Collaborate with frontend developers, data scientists, and product managers to integrate backend services with AI/ML models and frontend applications. Implement data processing pipelines to handle large volumes of financial data efficiently. Write clean, maintainable More ❯

an agentic AI system that seamlessly integrates into clients' systems, automating compliance and portfolio risk analysis processes Job Summary: We are seeking a skilled Backend Developer with 2-5 years experiences to join our dynamic team. In this role, you will be instrumental in designing, building, and maintaining … the backend infrastructure that powers our SaaS platform. You will work closely with cross-functional teams to ensure seamless integration and the optimal performance of our systems. Responsibilities: Work closely with our data and engineering teams to understand and improve the current code repository and dataset structures. Build and … data integrity and security through the implementation of best practices and industry standards. Collaborate with frontend developers, data scientists, and product managers to integrate backend services with AI/ML models and frontend applications. Implement data processing pipelines to handle large volumes of financial data efficiently. Write clean, maintainable More ❯

an agentic AI system that seamlessly integrates into clients' systems, automating compliance and portfolio risk analysis processes Job Summary: We are seeking a skilled Backend Developer with 2-5 years experiences to join our dynamic team. In this role, you will be instrumental in designing, building, and maintaining … the backend infrastructure that powers our SaaS platform. You will work closely with cross-functional teams to ensure seamless integration and the optimal performance of our systems. Responsibilities: Work closely with our data and engineering teams to understand and improve the current code repository and dataset structures. Build and … data integrity and security through the implementation of best practices and industry standards. Collaborate with frontend developers, data scientists, and product managers to integrate backend services with AI/ML models and frontend applications. Implement data processing pipelines to handle large volumes of financial data efficiently. Write clean, maintainable More ❯