1 to 25 of 29 Backend Developer Jobs in Berkshire

Job Summary: We are seeking a highly skilled Python Backend Developer with strong experience in building Microservices-based architectures and cloud-native server less solutions on AWS . The ideal candidate will be responsible for designing, developing, and maintaining scalable backend systems, ensuring high performance and responsiveness to requests from front-end applications and third-party systems. … Key Responsibilities: Design and develop robust backend services and RESTful APIs using Python (FastAPI, Flask, or Django) Build and deploy microservices that are scalable, loosely coupled, and independently deployable Develop and manage serverless applications using AWS Lambda , API Gateway , DynamoDB , S3 , SNS , SQS , and Step Functions Implement event-driven architectures and data processing pipelines Collaborate with front-end developers … through unit testing , integration testing , and code reviews Automate deployments using CI/CD pipelines and Infrastructure as Code (IaC) tools like CloudFormation or Terraform Monitor, debug, and optimize backend systems for performance and scalability Required Skills & Experience: 7+ years of backend development experience using Python Strong experience in designing and implementing microservices Hands-on experience with AWS More ❯

join with: Location: London EC2 (Office-based, 5 days pw - Monday to Friday) Type: Full-time, Permanent Overview A leading FCA-regulated financial technology firm is seeking an experienced Backend Java Developer to join its growing team. This is a unique opportunity to contribute to the design and development of a brand-new trading platform from the ground More ❯

Social network you want to login/join with: If you're a seasoned backend developer craving more impact than just turning around tickets, this is your chance to join a trailblazing SaaS innovator where automation and AI tools are not a concept, they’re already deeply woven into day-to-day engineering. You'll work in a … a fast-scaling technology company revolutionising procurement and logistics on a global scale. Their digital products support thousands of users worldwide. You'll be part of a highly engaged backend team, remote-first collaboration are standard, and long-term growth is prioritised. Your Role Write robust, maintainable backend code across APIs and business logic layers Partner with cross … grade functionality Apply automation tools daily to streamline dev tasks and prototype quickly Leverage AI tooling daily for faster problem-solving and prototyping What You’ll Bring Experience developing backend systems and ready to step into a senior role Strong proficiency with Node.js, TypeScript, and GraphQL Familiarity with modern development tools that enhance engineering efficiency A solid grasp of More ❯

Social network you want to login/join with: DV Cleared Software Engineer, Java Developer, Python, Backend Engineer, slough col-narrow-left Client: Experis UK Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Our client, a global organisation, urgently … to join their team on a permanent basis working with their Central Government clients. In order to be successful, you will have the following experience Highly experienced back end developer, with experience in working on Government or Defence applications (DV Cleared) Build solutions as part of a DevSecOps and Agile ecosystem DV Cleared Within this role, you will be More ❯

a global impact, and ready 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 deploying state-of-the-art computer vision models. Your key responsibilities will include: Designing, building … essential functionalities. Collaborating closely with 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 frameworks like FastAPI or Django. More ❯

a global impact, and ready 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 deploying state-of-the-art computer vision models. Your key responsibilities will include: Designing, building … essential functionalities. Collaborating closely with 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 frameworks like FastAPI or Django. More ❯

SThree are pleased to announce we’re recruiting for a talented Senior Java Back End Developer to join our excellent team, based in Bank, London. The Senior Java Back End Developer will design, develop, test and support capabilities in our digital experience platform to create competitive advantage for SThree, as part of a small software development team. About More ❯

Social network you want to login/join with: Why this Junior Back End Developer position is like ballet., slough col-narrow-left Client: Mongoose Gray Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: We are seeking a Junior Back … End Developer to join a fast-growing SaaS business in central London. The role offers a salary of £35,000 per annum, with potential for more based on performance, and involves hybrid working on a 4+1 basis. The successful candidate will be part of a culture that values work/life balance and will have the opportunity to work More ❯

Mid-Senior Backend Developer (Node.js), Slough Client: Oliver Bernard Location: Slough, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: Mid-Senior Backend Developer (Node.js) 2 days per week in London £45-70k depending on experience Join a rapidly growing organization that has doubled … growth. Key requirements: Experience with Node.js Familiarity with message brokers like SNS, Kafka, or similar Experience with AWS Interest in working with data (a bonus) If you are a Backend Developer with a passion for software and technology, please apply. Note: If you do not hold a passport for the country of the vacancy, you might need a More ❯

in this job description. Our ideal candidate Our technology team is seeking a new full-time team member to bring leadership, longevity and high-quality software development to our backend repository and codebase at Legal Utopia. They will be detailed and methodical in their approach to backend software development to deliver precise, accurate and reliable endpoints, apis and … to our frontend team to enable them to fully realise our Product Owner and Head of Design’s hard work to bring compelling services to our customers. The Lead Backend Developer shall be enthusiastic to input into senior developer and business level support to make improvements to our backend codebase whilst responding to needs as the … frontend team deliver more significant architectural codebase changes to streamline our frontend development. The candidate would collaborate and cooperate with the lead frontend developer to establish a symbiotic workplace and development environment with senior input from the Head of IT and experienced contractors. The candidate will provide input and feedback on the code and processes, as well as take More ❯

Social network you want to login/join with: Back End Developer - Python - Trading Applications, slough col-narrow-left Client: Harrington Starr Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: Backend Developer – Python £650/day – 6 months … workflows. This is a business that backs its tech, delivers fast, and builds for the long-term. The must-haves: Strong Python experience (hands-on and recent) Experience building backend services in a product team Kafka or other message queue systems Comfortable working in fast-moving agile squads Experience in commodities or trading (preferred but not essential) Nice to More ❯

Backend Developer – Python £650/day – 6 months – Inside IR35 – 3 days onsite (London) Python – Kafka – AWS – TypeScript – Commodities Trading You'll be working for a leading energy trading business, building out a modern post-trade platform that's genuinely pushing boundaries – live PnL, intraday position reporting, and digitised front office workflows. This is a business that backs … its tech, delivers fast, and builds for the long-term. The must-haves: Strong Python experience (hands-on and recent) Experience building backend services in a product team Kafka or other message queue systems Comfortable working in fast-moving agile squads Experience in commodities or trading (preferred but not essential) Nice to haves (in order of priority – at least More ❯

x4 Senior PHP Software Engineers/Backend Developers – PHP/Symfony/Restful API Fintech start-up - Office based in London 🌳🌳🌳 Areti has exclusively partnered with a Fintech start-up urgently seeking x7 PHP Software Engineers/Backend Developers for a Fintech start-up based in the UK on a FULLY REMOTE basis. My client has just received … in one of the most talented software engineering teams around and will offer the chance to move into a tech lead position very quickly. If you are a talented developer looking for a company that offers fully remote working, then please send your CV to me today. I have interview slots already pre-booked so suitable candidates will be More ❯

x6 PHP Software Engineers/Backend Developers – PHP/Symfony/Restful API - Fintech start-up based in the UK 🌳🌳🌳 Areti has exclusively partnered with a Fintech start-up urgently seeking x6 PHP Software Engineers/Backend Developers for a Fintech start-up based in the UK. (FULLY REMOTE) My client has just received funding and looking to … in one of the most talented software engineering teams around and will offer the chance to move into a tech lead position very quickly. If you are a talented developer looking for a company that offers fully remote working, then please send your cv to me today. I have interview slots already pre-booked so suitable candidates will be More ❯

efficient execution, and collective achievement. This position offers competitive compensation, including salary and equity. The Role: As one of the initial Full Stack Engineers with a strong emphasis on backend development, you will be instrumental in designing, constructing, and scaling the core infrastructure of this fintech platform. You'll be responsible for deploying production-ready code weekly, managing key … reliability of services for a rapidly expanding user base (aiming to serve over 100,000 active customers). In this hands-on capacity, your contributions will involve: Creating Robust Backend Systems: Conceptualising and implementing resilient, event-driven solutions utilising technologies such as queues, message brokers, and databases to power the central fintech application. Promoting Technical Excellence & Language Adaptability: Crafting … future technical direction. What They're Seeking: The team is open to both experienced senior engineers and promising mid-level candidates. Ideal applicants will possess: A profound understanding of backend fundamentals, including queues, databases, message brokers, event-driven architectures, and system monitoring. Proficiency in TypeScript/Node.js or similar contemporary languages, coupled with the aptitude to quickly master new More ❯

a mission 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 engineers from any background who are keen to learn More ❯

a mission 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 engineers from any background who are keen to learn More ❯

strong traction across financial services, healthtech, and telecom, and a $90B+ market in sight, we're scaling fast in 2025 and beyond. ? The Role We’re looking for a Backend Engineer (Kotlin) to evolve and scale the control-plane of our SaaS platform. With customer adoption climbing, we need extra fire-power to extend core services and keep pace … with new feature demand. Reporting to the Backend Team Lead , you’ll build services that power everything the UI depends on. You’ll work closely with Product Management on feature design and pair with frontend engineers. The role offers plenty of scope to shape architecture, own features end-to-end, and putting your stamp on architectural decisions that drive More ❯

Job Title: Python Backend Developer (Senior, IC) 💰Salary: Up to £140,000 per year + equity (further flexibility for exceptional candidates) 🏙Working Arrangement: Hybrid (3 days in office), London 📝 Employment Type: Permanent ✅ Core Tech : Python, PostgreSQL, AWS ☑ Other Tech: BigQuery, pub/sub, Celery, Redis, RabbitMQ, Typescript, React ⚠ Opportunity to scale an innovative ML learning product to meet … pioneering education platform. Their product is utilising ML to change the way people learn - and customers are loving it! 📋 The Task? You'll be working to scale up the backend systems to meet the rapidly growing surge of demand. Once scalability has been tackled, it's all speed ahead on new feature development! 💭 What's in it for you … come with scaling start-up products. 👀 Sounds like something that could be right for you? Hit apply! i Alternatively, you can reach me at jonty@limitlessrec.co.uk Job Title: Python Backend Developer (Senior, IC More ❯

best practices, including SOLID principles and design patterns. Diagnose and resolve technical issues; provide ongoing technical support. Proficiency in both Mandarin and English (working languages). Solid experience with backend programming, particularly Golang and Lua. Hands-on experience with PostgreSQL, Redis, and Kafka. Strong understanding of RESTful API design and implementation. Experience with Nginx and Linux-based environments Familiarity More ❯

Role – Back-End Developer Office travel – Hybrid (3 Days a week in the office) Location – Central London Salary – £80,000 - £90,000 + Benefits Infinite Talent has partnered with a renewable energy start-up backed by a global business to recruit for two Back-End Developers on a permanent basis. We are seeking two experienced Back-End Developers to More ❯

in the production and delivery of our work. Our values are kindness, accountability, creative thinking, awareness and teamwork. We are looking for an ambitious, experienced, and creative Back End Developer to join our team. You will be working on our largest projects, including an ambitious SAAS based website in the EdTech space, helping to improve and grow their existing More ❯

Social network you want to login/join with: Junior/Mid Level Back End Developer, reading col-narrow-left Client: IDEMIA Location: reading, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: This role requires you to be in the office in More ❯

Here at Responsiv, we are looking to add a new Java Backend Developer to our … team. If you have skills in API and Web product development, we need YOU to enhance our capabilities, become embedded within Responsiv, and deliver on technical projects. ? As anJava BackendDeveloper, you'll work in a small team of talented developers, playing a crucial role in delivering internal and external projects and collaborating with other departments. This role will give you … This is a technical role that requires self-motivation, problem solving, time planning, and excellent written and spoken communications, including presentations to senior stakeholders and mixed audiences. ? As theJava BackendDeveloper, your primary focus will be: Developing system-to-system integration solutions for customers. Contributing to the commercial product development of the Responsiv Unity and Responsiv Cloud product families. ? About You More ❯

Founding Backend Engineer – Build the AI Stack Powering the Future of Hardware Techmunity are exclusively hiring for a Founding Backend Engineer to help build the technical foundation of a next-generation AI startup that's rethinking how the physical world gets engineered. This role is for builders. You’ll be part of a small, high-agency team designing … the backend infrastructure for a deeply technical product — one that could redefine how robots, rockets, vehicles, and machines are developed over the next decade. The Mission Software engineering has had its “Copilot moment.” Hardware hasn’t — yet. This startup is building an AI-native platform for hardware engineers, starting with robotics and aerospace. It’s a secure, collaborative system … being recruited now will be front and centre in that journey — shaping not just product architecture, but culture, pace, and credibility with future customers and investors. The Role – Founding Backend Engineer You’ll be responsible for designing and building critical parts of the backend platform, including: Secure execution environments to safely run user-defined tools in the cloud More ❯