Senior Backend Python Developer - world class healthcare tech AWS, SQL, Python unit testing, TDD, CI/CD London hybrid - a day a week in the office c£70-85k negotiable Were seeking a Senior BackendDeveloper with a strong software engineering background including 5+ years majoring in writing Backend applications using Python and Django … Rest Framework). The Senior BackendDeveloper will be joining a top-flight team of 45 at a world-class healthcare scaleup to help scale a native mobile app by 10x over the next 12 months and take the app to the next level. The successful candidate will be analytical, proactive, and delivery focused. A high energy, self … of complexity. Proactively respond to analytics to ensure our products are robust and meet users needs Take technical ownership of areas of product Requirements: 5+ years of experience writing Backend applications using Python and Django (Rest Framework) or related frameworks, e.g. Flask, FastAPI or similar Good understanding of ORM (either Django or SQLAlchemy) Good understanding of Python Unit Testing More ❯
Principal BackendDeveloper (C#/.NET/Playwright) The Opportunity This is a career-defining role for a Principal BackendDeveloper who wants to be at the forefront of a growing SaaS organisation. You'll be joining a company that's scaling rapidly, building innovative products that make a real difference to its customers. This role … offers the chance to take ownership of backend systems, shape best practice, and mentor the next generation of engineers. The Role You'll provide technical leadership across backend development, ensuring systems are robust, scalable, and future-proof. Working closely with product owners, testers, and front-end teams, you'll bring engineering excellence into every decision. With a stack … cloud services, and automation frameworks, you'll be both hands-on in coding and guiding others to deliver their best work. Day-to-day responsibilities Architect and build scalable backend services in C#/.NET Drive adoption of clean coding practices, design patterns, and SOLID principles Mentor engineers, fostering a culture of growth, learning, and high performance Collaborate with More ❯
Principal BackendDeveloper (C#/.NET/Playwright) The Opportunity This is a career-defining role for a Principal BackendDeveloper who wants to be at the forefront of a growing SaaS organisation. You'll be joining a company that's scaling rapidly, building innovative products that make a real difference to its customers. This role … offers the chance to take ownership of backend systems, shape best practice, and mentor the next generation of engineers. The Role You'll provide technical leadership across backend development, ensuring systems are robust, scalable, and future-proof. Working closely with product owners, testers, and front-end teams, you'll bring engineering excellence into every decision. With a stack … cloud services, and automation frameworks, you'll be both hands-on in coding and guiding others to deliver their best work. Day-to-day responsibilities Architect and build scalable backend services in C#/.NET Drive adoption of clean coding practices, design patterns, and SOLID principles Mentor engineers, fostering a culture of growth, learning, and high performance Collaborate with More ❯
Sheffield, South Yorkshire, England, United Kingdom
Anna Maher Recruitment
Backend Web Developer – Sheffield – £30,000 to £40,000 Benefits An established and innovative technology business based in Sheffield is looking to recruit a talented Backend Web Developer to join their friendly and supportive team. This is a great opportunity to work on exciting, industry-leading web projects in a collaborative environment that values integrity, continuous … support and guidance to internal teams Key Skills & Experience Applicants should have a minimum of 2 years’ experience, with proven skills in at least three of the following areas: - Backend development using .NET - Backend development using alternative technologies - API integration - SQL Server and T-SQL - Version Control (e.g., Git) You will also bring: - Strong communication and collaboration skills More ❯
Founders that require Volunteers to survive and grow their tech startups due to their inability to hire paid talent. About the Opportunity We are looking for a highly skilled BackendDeveloper with expertise in Laravel to join our dynamic team. As a backenddeveloper, you will be responsible for creating and maintaining robust, scalable, and secure More ❯
We’re seeking a topflight Senior BackendDeveloper with a strong software engineering background including 5+ years majoring in writing Backend applications using Python and Django (Rest Framework). The Senior BackendDeveloper will be joining a top-flight team of 45 at a world-class healthcare scaleup to help scale a native mobile app … of complexity. Proactively respond to analytics to ensure our products are robust and meet users’ needs Take technical ownership of areas of product Requirements: 5+ years of experience writing Backend applications using Python and Django (Rest Framework)or related frameworks, e.g. Flask, FastAPI or similar Good understanding of ORM (either Django or SQLAlchemy) Good understanding of Python Unit Testing More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Context Recruitment Limited
Senior BackendDeveloper Salary: Up to £90,000 per annum Client: Leading Data Centre Provider We're working with a well-established Data Centre Provider to recruit a highly experienced Senior Backend Developer. This is a remote role open to UK-based candidates, offering the chance to work on large-scale systems that support critical national infrastructure. … This is an excellent opportunity for a seasoned backend engineer with deep expertise in Node.js and TypeScript, who enjoys architecting scalable solutions and working with modern cloud technologies. You'll be responsible for designing and building high-performance backend applications, contributing to the development of internal tools and processes, and ensuring code quality through testing and documentation. You … ll also help shape technical standards and collaborate closely with other teams across the business. Key Responsibilities Architect and develop scalable backend systems for enterprise-level applications Build and maintain robust Node.js services using TypeScript Optimise SQL queries and database performance Deploy and manage applications in cloud environments Customise build and development tools to suit project needs Apply best More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Eligo Recruitment
Are you a Back End Java Developer with experience within the iGaming and Gambling sector looking for a new and exciting challenge? BENEFITS : up to £95k depending on experience, fully remote, excellent benefits packageYou will be joining a rapidly expanding company within the iGaming sector, who are committed to providing top-tier gaming experiences to players around the world. … recognised among the top brands within our market, blending sports betting and online casino entertainment on a cutting-edge, custom-built platform. You will be a skilled Senior Java BackendDeveloper who is a self-motivated professional with a strong track record and a passion for excellence. You'll play a key role in developing innovative iGaming products … Your contributions will help deliver high-quality applications and services, reinforcing the company’s position as an industry leader. Core Responsibilities Work closely with the team to implement complex backend logic and platform solutions. Write clean, scalable, and maintainable code, adhering to industry best practices. Stay updated on the latest Java frameworks, libraries, and development techniques. Translate business needs More ❯
BackendDeveloper – Early Employee Opportunity We’re a fast-growing, funded startup building the next generation of data-driven platforms. As one of our early employees , you’ll join a small, multidisciplinary team working closely with the leadership team on the migration of our platform from v0 → v1 and the development of new features. This role offers a … clear path to grow into a senior developer or product owner as the company scales. What you’ll do: Build and expand backend applications using Python (FastAPI) Design and implement microservices and REST APIs Write clear documentation, unit tests, and end-to-end tests Work with AWS, Docker, SQLAlchemy, and SQL databases Deploy features via CI/CD More ❯
london (city of london), south east england, united kingdom
Intellect Group
BackendDeveloper – Early Employee Opportunity We’re a fast-growing, funded startup building the next generation of data-driven platforms. As one of our early employees , you’ll join a small, multidisciplinary team working closely with the leadership team on the migration of our platform from v0 → v1 and the development of new features. This role offers a … clear path to grow into a senior developer or product owner as the company scales. What you’ll do: Build and expand backend applications using Python (FastAPI) Design and implement microservices and REST APIs Write clear documentation, unit tests, and end-to-end tests Work with AWS, Docker, SQLAlchemy, and SQL databases Deploy features via CI/CD More ❯
BackendDeveloper – Early Employee Opportunity We’re a fast-growing, funded startup building the next generation of data-driven platforms. As one of our early employees , you’ll join a small, multidisciplinary team working closely with the leadership team on the migration of our platform from v0 → v1 and the development of new features. This role offers a … clear path to grow into a senior developer or product owner as the company scales. What you’ll do: Build and expand backend applications using Python (FastAPI) Design and implement microservices and REST APIs Write clear documentation, unit tests, and end-to-end tests Work with AWS, Docker, SQLAlchemy, and SQL databases Deploy features via CI/CD More ❯
priorities, and lean resources, but you embrace the challenge, staying focused under pressure, taking ownership, adapting quickly, and pitching in wherever needed. The Role We re looking for talented backenddeveloper with proven commercial experience to help us build the core infrastructure that shall power our entire platform. You ll be responsible for designing, developing, and maintaining secure … scalable APIs, data processing pipelines, and backend integrations with third-party services like Stripe, PayPal, and Open Banking providers. Key Responsibilities: Build and maintain robust RESTful APIs for mobile and web clients. Design and manage databases built in MongoDB and SQL Server to store, query, and aggregate user financial data. Develop data ingestion pipelines to process real-time and … batch data from external services. Optimize backend performance and ensure application scalability and resilience. Build authentication and authorization flows, following best practices for fintech-grade security. Write unit and integration tests, participate in code reviews, and contribute to continuous improvement. Collaborate closely with frontend/mobile engineers, product managers, and founders in agile development cycles. Contribute to infrastructure decisions More ❯
M27, Pendlebury, City and Borough of Salford, Greater Manchester, United Kingdom Hybrid / WFH Options
Earnly Limited
priorities, and lean resources, but you embrace the challenge, staying focused under pressure, taking ownership, adapting quickly, and pitching in wherever needed. The Role We’re looking for talented backenddeveloper with proven commercial experience to help us build the core infrastructure that shall power our entire platform. You’ll be responsible for designing, developing, and maintaining secure … scalable APIs, data processing pipelines, and backend integrations with third-party services like Stripe, PayPal, and Open Banking providers. Key Responsibilities: Build and maintain robust RESTful APIs for mobile and web clients. Design and manage databases built in MongoDB and SQL Server to store, query, and aggregate user financial data. Develop data ingestion pipelines to process real-time and … batch data from external services. Optimize backend performance and ensure application scalability and resilience. Build authentication and authorization flows, following best practices for fintech-grade security. Write unit and integration tests, participate in code reviews, and contribute to continuous improvement. Collaborate closely with frontend/mobile engineers, product managers, and founders in agile development cycles. Contribute to infrastructure decisions More ❯
London, Manchester Square, United Kingdom Hybrid / WFH Options
Liberty CL Recruitment
The Liberty Recruitment Group is excited to be working in partnership with a leading Tech-enabled Analytics Consultancy based in London, who are looking for a Senior BackendDeveloper to join their award-winning Insurance division. As part of a mixed technical team including back-end developers, testers, front-end developers and actuarial data scientists, you’d be More ❯
Ashford, south west england, united kingdom Hybrid / WFH Options
CLEO Systems
Senior BackendDeveloper- Node.JS Express new ideas, take initiative and save lives. Others talk about being brave, at CLEO Systems, we’re made that way. By providing highly capable, innovative, and integrated software solutions within integrated urgent care – every role at CLEO Systems is made to be brave. As a Senior Software Developer at Cleo Systems, you … will play a key role in designing, building, and maintaining robust, high-performance backend services that power our healthcare applications. You’ll work with modern technologies including Node.js, Redis, RabbitMQ, Postgres, and Docker to deliver scalable and secure software that directly supports clinicians and patients. You will take ownership of critical technical components, contribute to architecture decisions, and collaborate … be an experienced engineer who enjoys solving complex problems, writing clean and efficient code, and mentoring others to uphold best practices in software engineering. You will have experience with – Backend Development: Design, develop, and maintain backend services using Node.JS Messaging & Asynchronous Workflows: Build and manage reliable messaging patterns using queues such as RabbitMQ and Pub/Sub patterns. More ❯
Join us as Backend Software Developer to support the organisation, achieve its strategic objectives by the identification of business requirements and solutions that address business problems and opportunities. To be successful as Backend Software Developer, you should have the following skills/experience: Knowledge of React as a Front End development library. Working knowledge of Java. More ❯
Methods is now building a significant private sector client portfolio. Methods was acquired by the Alten Group in early 2022. Methods is currently recruiting for a Senior Back End Developer to join our team on a permanent basis. This role will be based on-site. Role: We are looking for a highly skilled Senior Back-End Developer to … join our team. The ideal candidate will have a strong background in Python and SQL, with extensive experience in developing and maintaining robust backend systems. You will work closely with our front-end developers, data engineers, and product managers to build scalable and efficient applications that meet the needs of our users. Your role will involve designing APIs, managing … teams using Jira and Confluence to track progress and share knowledge. Monitor and improve system performance with Prometheus and Grafana . Requirements: Proven experience as a Senior Back-End Developer or similar role. Strong proficiency in Python and SQL . Extensive experience with frameworks and libraries: Django , Flask , FastAPI , Asyncio , Aiohttp , and SQLAlchemy . Demonstrated experience in developing and More ❯
Liverpool, Merseyside, North West, United Kingdom Hybrid / WFH Options
Broster Buchanan Ltd
Broster Buchanan are partnered with a quickly growing eCommerce business who are looking for a Backend Integrations Developer with a strong background in e-commerce systems and backend integrations to join their fast-paced, tech-forward software engineering team. This role will focus on the development and maintenance of scalable, cloud-native software solutions that integrate their … remote working per week. On offer is a salary of £55k - £65k + 10% bonus (with plenty of flexibility for the right person). Responsibilities: Design, develop, and maintain backend integrations between e-commerce systems and ERP/WMS/Finance platforms. Build cloud-native, containerised applications and services using modern frameworks and design patterns. Create middleware and intranet … software development practices (e.g., GPT-assisted development, Agentic AI workflows) and suggest practical implementations. Participate in architecture reviews, sprint planning, code reviews, and knowledge sharing. Requirements: Strong experience in backend systems and technologies, such as .NET 8 or 9, C# or Golang Experience in various SQL dialects, including MySQL, MSSQL, PostgreSQL Familiarity with Redis, ElasticSearch and REST APIs Experience More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
iO Associates
Title: Mid Level .NET Developer Salary: Up to £65,000 P/A Location: Bristol- Hybrid (2- days on site) Our client is on an exciting journey to transform the way they deliver digital products and services to millions of customers. To help them achieve this, they're looking for a Mid-level Backend Software Engineer to join … C#, SQL, Azure, and Kubernetes, while collaborating with like-minded engineers and contributing to a strong, supportive tech community. What You'll Do Design, develop, and deliver high-quality backend solutions Collaborate on technical designs and influence architectural decisions Troubleshoot operational and integration issues Champion coding best practices and agile principles Keep up to date with emerging technologies and More ❯
St. Mary Cray, Kent, United Kingdom Hybrid / WFH Options
Ripple
Are you a developer who wants to build products that people genuinely love to use? Are you looking for a role where your features go live and immediately create engagement, excitement, and value for thousands of users? I am currently partnering with a leader in the UK's digital entertainment space to find a creative and driven Full Stack … Developer to join their mission. This is a fantastic opportunity to move beyond just being a coder and become a true product builder. You'll be joining a dynamic team where your voice is heard, your ideas are valued, and your code directly shapes the user experience from the ground up. This Role Offers You the Chance To: Deliver … use. Grow Your Skills: Contribute to a culture of continuous improvement, working with a modern stack and agile processes. The Ideal Candidate Profile: My client is looking for a developer who is: An experienced PHP professional with proven success using the Laravel framework. Comfortable across the stack, with solid skills in HTML, CSS, JavaScript, and MySQL. A natural collaborator More ❯
Portfolio are proud to be exclusively representing an award-wining, Software provider based in the heart of Manchester, providing people solutions to over 100,000 clients worldwide. In this role our client is looking for a candidate that possess an More ❯
Portfolio are proud to be exclusively representing an award-wining, Software provider based in the heart of Manchester, providing people solutions to over 100,000 clients worldwide. In this role our client is looking for a candidate that possess an More ❯
POSITION DESCRIPTION: Reynolds and Reynolds is currently seeking candidates with prior experience of software development in .NET to work on technical and functional enhancements within its automotive dealer management platforms.This is primarily a back-end role working in web services More ❯
Peterborough, Cambridgeshire, England, United Kingdom Hybrid / WFH Options
3Sixty Resourcing Ltd
Senior Back End Developer (Laravel/Shopify)Up to £75,000 P.A (DOE) Full-time, permanent Peterborough (Hybrid) In a nutshell... We have partnered with a fast-growing and innovative tech business in the Peterborough who are looking for a Senior Back End Developer with extensive Laravel experience to join their talented team. This is a chance to … customer support platforms (Gorgias, Zendesk, Intercom). Knowledge of containerisation (Docker), CI/CD pipelines, and real-time features. Contributions to open-source Laravel or Shopify projects. Tech Stack Backend: Laravel, PHP, MySQL Frontend: Livewire, Alpine.js, Tailwind CSS Cloud: AWS (SQS, S3, Lambda, EC2) Integrations: Shopify API, Stripe, Recharge, Klaviyo, Gorgias Tools: Laravel Horizon, Telescope, Sanctum, Cashier Queue: Redis … ecosystem. You'll be part of a collaborative team, working on complex customer analytics, loyalty programs, and real-time features with huge progression opportunities. Should this Senior Back-End Developer role be of interest. Then please apply or get in touch with one of our representatives for further information. 3Sixty Resourcing Ltd is an independent recruitment consultancy based in More ❯