Backend Developer
3 days ago
OverviewLocation: City Of London, England, United KingdomWe are seeking an experienced Backend Developer to design, develop, and maintain scalable backend services and REST APIs using Python and Node.js. You will work closely with product, front-end, and DevOps teams to deliver high-performance, secure, and reliable systems.ResponsibilitiesBuild RESTful APIs and microservices using Node.js (Express/NestJS) and/or Python (FastAPI/Django/Flask)Design and manage relational and NoSQL databases (PostgreSQL, MongoDB)Implement user authentication and authorization (OAuth2, JWT)Integrate with 3rd-party APIs and external servicesOptimize system performance and monitor API uptimeWrite unit/integration testsCollaborate on DevOps, CI/CD, and deployment workflowsRequired SkillsStrong experience with backend development in Node.js and/or PythonAPI design best practices (versioning, error handling, rate limiting)Database design and querying (SQL, MongoDB, or DynamoDB)Experience with containerization (Docker/Kubernetes) and API documentation (Swagger/OpenAPI)Knowledge of security principles (input validation, CORS, XSS, etc.)Git-based workflows and agile development practicesNice to HaveExperience with GraphQLTask queues and async jobs (Celery, BullMQ, RabbitMQ)Familiarity with cloud platforms (AWS, GCP, Azure)Logging and monitoring (ELK, Prometheus, etc.)Soft SkillsStrong problem-solving mindsetClear documentation and communication skillsTeam player with the ability to work independentlySeniority levelAssociateEmployment typeFull-timeJob functionInformation TechnologyIndustriesIT Services and IT Consulting #J-18808-Ljbffr
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Backend Developer
4 days ago
City Of London, United Kingdom Consortia Full timeOne of the UK's largest media distributors is looking for a Backend Developer to be a large cog in their development wheel. The team you'll be joining is quite small so this is a great opportunity to showcase your skills and make an impact at this Central-London-based company.They are looking for someone who can:Create backend components for mobile using...
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Backend Developer
19 hours ago
City Of London, United Kingdom Public Sector Resourcing Full timeSC Clearance Requirement SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the...
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Backend Developer
16 hours ago
City Of London, United Kingdom RGH-Global Ltd Full timeOverview Our clients 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...
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Backend Engineer
2 days ago
London Area, United Kingdom The Developer Link Full timeBackend Engineer – London (Hybrid)Our client is a fast-growing software business delivering market-leading ticketing products to forward-thinking organisations worldwide. Their platform is used by hundreds of thousands of people and powers ticket sales for some of the world's most prestigious live entertainment brands.They're now looking for a Backend...
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Senior Backend Developer
7 days ago
City Of London, United Kingdom Lavanda Ventures Ltd. Full timeAbout Lavanda Lavanda is an award-winning UK proptech scale-up and leader in flexible living technology solutions for the world's largest institutional real estate enterprises. Our clients include CA Ventures, JLL, Scape, iQ, Greystar, Europa Capital, Aberdeen Standard Investments and many others. Lavanda is SaaS technology platform first and foremost. More...
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Senior Backend Developer
22 hours ago
City Of London, United Kingdom Rullion Full timeOverview 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. The role is Hybrid, with one day a week...
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Python Backend Developer
1 week ago
City Of London, United Kingdom Djangojobs Full timePIE Mapping is a mapping consultancy looking for a Python backend developer to join our expanding team. We supply industry-leading mapping solutions for local authorities, freight operators and entertainment venues.Your key responsibilities will be:Helping to design and develop APIs to expose our data and servicesWorking closely with the lead developer to...
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Backend Python Developer
1 week ago
City Of London, United Kingdom Adecco Full timeSoftware Engineer - AI/ML Leading Pharma Client 6-Month Contract Inside IR35 Hybrid (3 Days Onsite) My client, a global pharmaceutical leader, is looking for an experienced Software Engineer to contribute to the development of cutting-edge AI/ML solutions aimed at transforming healthcare. This is a 6-month contract, inside IR35, offering hybrid working (3...
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Team Lead
19 hours ago
City Of London, United Kingdom Axi Full timePlease note that we will only be able to accept candidates who have the appropriate rights and documentation for employment in London, United Kingdom. Who we are. Axi is a leading global provider of margin and deliverable Foreign Exchange, Contracts for Difference (CFDs), and Financial Spread betting. Our business has evolved into a world‑class,...
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Senior Backend Developer- UK
1 day ago
City Of London, United Kingdom Buildots Full time# Senior Backend Developer- UKLondon**About Buildots**Buildots is revolutionizing the construction sector by introducing advanced AI and Computer Vision technologies into the traditional construction world. Our platform seamlessly transforms construction sites into digital environments, where data is the key to saving time and minimizing costs. Every day, we...