24 of 24 Backend Developer Jobs in London

Senior Python Backend Developer - Python, Django Central London/Hybrid - one day in the office £75-85k + benefits Were seeking a topflight Senior Python Backend Developer with a strong software engineering background including 7+ years majoring in writing Backend applications using Python … Django (Rest Framework). This is a seriously weighty, complex, technically challenging role; the successful Backend Developer will be 'red hot' on the core backend skill requirements. Demonstrably the 'go to' person in your role. DevOps expertise is strongly advantageous. The Python Backend Developer will ...

Senior Backend Developer (C#/.Net) | Brand New Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Backend Engineer with a .Net (C#) focus for a Trading House that build cross asset trading systems. The FinTech are building from … ground up and currently expanding their team to work on a completely greenfield build, payments platform. As a Senior Backend, your role will be to come in and build out a new Payments platform working very closely with another engineer to redesign parts of the system and lead from ...

Senior Python Backend Developer Central London - one day a week in the office £75-85k + benefits We’re seeking a topflight Senior Python Backend Developer with a strong software engineering background including 7+ years majoring in writing Backend applications using Python and Django … Rest Framework). This is a seriously weighty, complex, technically challenging role; the successful Python Backend Developer will be 'red hot' on the core backend skill requirements. Demonstrably the 'go to' person in your role. DevOps expertise is strongly advantageous. The backend Python Developer will ...

hiring a Backend Developer/Engineer (Remote) Earn Up to $5,000/Month as a Coding Expert (Remote/Flexible) Location: Remote (US, UK, Canada, Australia, or New Zealand) About the Role Join a global community of coding professionals shaping the next generation of Artificial Intelligence. … Backend Developer, you'll use your technical knowledge to train, evaluate, and refine AI systems, helping them better understand and generate high-quality code. What You'll Do Create and answer computer science–related questions to train AI models. Review, test, and evaluate AI-generated code for correctness ...

Senior Python Backend Developer - Python, Django Central London/Hybrid - one day in the office £75-85k + benefits Were seeking a topflight Senior Python Backend Developer with a strong software engineering background including 7+ years majoring in writing Backend applications using Python ...

Senior Backend Python Developer (Cloud & Microservices) Salary: Up to £90,000 Location: Hybrid, London HQ Reporting to: Head of AI and Data Science Overview Our client is hiring a Senior Backend Python Developer to build and maintain scalable backend systems supporting AI and automation projects. … successful candidate will work on cloud-based microservice architectures , helping integrate AI systems and backend infrastructure within the organisation’s technology ecosystem. Key Responsibilities Design and develop high-quality, efficient backend systems using Python . Build and maintain microservices and RESTful APIs . Integrate backend systems with ...

Lead Backend Developer Location: London - 1x a month Salary: Up to £120,000 (D.O.E) + benefits Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives … ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role ...

Senior Backend Developer Location: London - 1x a month Salary: Up to £95,000 (D.O.E) + benefits Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily … This is an exciting opportunity for a motivated Senior Engineer who wants to grow in a high-performing, forward-thinking business. As a Senior Backend Engineer, you'll play a central role in building and scaling the systems that power their insurance platform. You'll focus on developing Python ...

Senior Python Backend Developer Kings Cross, London- Onsite 2/3 days a week 6 month contract Inside of IR25 £750 - £800 per day My client is seeking a highly skilled software engineer to join its AI/ML team, contributing to the development of cutting-edge applications … that accelerate drug discovery and enable personalised therapies. The ideal candidate will have strong Python backend development experience, preferably with FastAPI, and be proficient in cloud-native infrastructure (Google Cloud preferred), DevOps practices, and automated testing. While a background in life sciences is a plus, a passion for improving ...

Senior Backend Developer Location: London - 1x a month Salary: Up to £95,000 (D.O.E) + benefits Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily ...

client are a global consultancy, working on a project in the Investment Banking space, they are on the lookout for an Adobe AEM Backend Developer to come in on a contract basis. Key Skills/Requirements: Must have AEM Components experience AEM Core Development Experience Adobe Experience Manager ...

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a three-month contract but there is potential for it to be extended. … full-time role, 40 hours per week. If this role feels right, send us your CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt ...

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a three-month contract but there is potential for it to be extended. … full-time role, 40 hours per week. If this role feels right, send us your CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt ...

hybrid working set up and therefore you will be required to attend the office minimum twice per week. About The Role As a Senior Backend Engineer, you will join a cross-functional distributed team of colleagues where you will contribute to the development of a modern, cloud-first system … domain within the broader Quinyx system while being expected to take ownership of the system as a whole. You will continuously cooperate with other backend or frontend engineers, QA engineers, product owners, and designers across the R&D team. We are building one of the most successful workforce management ...

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 ...

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 ...

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 ...

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 ...

Back End Developer/Software Engineer (C# .Net Core Cloud CQRS) London/WFH to £100k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Back End Developer role at a successful … scaling Retail FX Brokerage working on complex and interesting Greenfield systems with continual learning and self development opportunities. As a Back End Developer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React ...

Chief Technology Officer (CTO) - Hands-On Back-End Developer Remote-Friendly London HQ Award-Winning Agricultural Technology Software Company Join an award-winning agricultural analytics software company that's redefining sustainable food production through data-driven technology . We're seeking a hands-on Chief Technology Officer … Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline Proven experience as a Back-End Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency ...

Chief Technology Officer (CTO) - Hands-On Back-End Developer Remote-Friendly | London HQ | Award-Winning Agricultural Technology Software Company Join an award-winning agricultural analytics software company that's redefining sustainable food production through data-driven technology . We're seeking a hands-on Chief Technology Officer … Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline Proven experience as a Back-End Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency ...

Fully Remote Award-Winning Agricultural Technology Software Company Competitive salary plus company share scheme Chief Technology Officer (CTO) - Hands-On Back-End Developer Remote-Friendly | London HQ | Award-Winning Agricultural Technology Software Company Join an award-winning agricultural analytics software company that's redefining sustainable food production through data … Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline Proven experience as a Back-End Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency ...