I am currently working with a London-based Tier 1 investment bank who are actively seeking a PythonDeveloper on a long-term contract basis. What you'll need to succeed Strong Python programming experience within Financial Services - Mandatory Good understanding of quantitative finance Good experience developing and optimising Python-based calculators and models. Strong experience More ❯
Employment Type: Contract, Work From Home
Rate: £600.0 - £700.0 per day + Up to £700pd Umbrella
London, South East, England, United Kingdom Hybrid / WFH Options
Hays Specialist Recruitment Limited
I am currently working with a London-based Tier 1 investment bank who are actively seeking a PythonDeveloper on a long-term contract basis. What you'll need to succeed Strong Python programming experience within Financial Services - Mandatory Good understanding of quantitative finance Good experience developing and optimising Python-based calculators and models. Strong experience More ❯
Job Description: We are looking for a skilled PythonDeveloper to design, develop, and maintain scalable applications and data-driven solutions. The role involves building APIs, integrating systems, and optimizing backend processes. Key Responsibilities: Develop and maintain Python applications, APIs, and scripts. Work with databases (SQL/NoSQL) and ensure data integrity. Collaborate with cross-functional teams … to translate requirements into technical solutions. Optimize code for performance, scalability, and security. Support integration with cloud platforms, automation, or data pipelines. Required Skills & Experience: Strong proficiency in Python and related frameworks (Django, Flask, FastAPI). Experience with REST APIs, microservices, and backend development. Knowledge of databases (PostgreSQL, MySQL, MongoDB). Familiarity with cloud platforms (AWS/Azure/ More ❯
Job Description: We are looking for a skilled PythonDeveloper to design, develop, and maintain scalable applications and data-driven solutions. The role involves building APIs, integrating systems, and optimizing backend processes. Key Responsibilities: Develop and maintain Python applications, APIs, and scripts. Work with databases (SQL/NoSQL) and ensure data integrity. Collaborate with cross-functional teams … to translate requirements into technical solutions. Optimize code for performance, scalability, and security. Support integration with cloud platforms, automation, or data pipelines. Required Skills & Experience: Strong proficiency in Python and related frameworks (Django, Flask, FastAPI). Experience with REST APIs, microservices, and backend development. Knowledge of databases (PostgreSQL, MySQL, MongoDB). Familiarity with cloud platforms (AWS/Azure/ More ❯
Senior PythonDeveloper/Technical Lead - SQL/AWS/OOP - Contract Remote working Inside IR35/Umbrella - £450 - £500 (all inclusive day rate) which may be subject to change depending on applicable legislation or solution through which services are performed. We are currently recruiting for a team of senior Python Developers and Technical Leads required for … collaboration across other IT teams. Experience surrounding design and implementation of scalable software solutions is key. Key skills and responsibilities: Experienced in designing and developing scalable applications using Core Python and frameworks like Flask. Skilled in applying OOP principles, efficient data structures, and robust exception handling. Collaborates effectively with front-end teams using JavaScript, HTML, and CSS to deliver More ❯
The Role A leading global financial institution is seeking a PythonDeveloper (Contract) to join its Commodities Technology team. This group supports a fast-growing Commodities Index business that spans Oil, Gas, Power, Agriculture, and Metals, providing advanced analytics and tools for structuring and trading. You will play a key role in designing and delivering a new index … The position offers direct business interaction, exposure to real-world trading problems, and the opportunity to build robust, high-performance solutions in a dynamic environment. Responsibilities Develop and enhance Python-based models for: Historical index back-testing Daily pricing and index level generation Weighting and rebalancing logic Basket decomposition and attribution analytics Design and deploy scalable APIs (Flask/… gather requirements and iterate quickly on solutions. Implement testing frameworks, version control, and data validation processes. Integrate with market data, storage systems, and reporting platforms. Required Skills 5+ years' Python development experience, ideally within trading, risk, or financial services. Strong background with Pandas, NumPy, and data science libraries . Hands-on experience with Flask or FastAPI for API development. More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Feenicks Ltd TA Archway International
Were working with a fast-growing London-based fintech company to help them find a talented PythonDeveloper to join their dynamic engineering team. Please note: The client is unable to sponsor visas at this time. Applicants must have the right to work in the UK. Compensation Up to £60,000 base salary Performance-based bonus Hybrid Working … in their London office Responsibilities Design and architect complex systems and applications for the Financial Operations team Translate technical requirements into scalable software solutions Write clean, efficient, and maintainable Python code Participate in code reviews and uphold best practices across the development lifecycle Collaborate with stakeholders to gather requirements and provide project updates Optimize application performance by identifying and … resolving bottlenecks Requirements A degree in a STEM discipline (Science, Technology, Engineering, or Mathematics) Strong experience with Python Experience or a solid understanding of finance or financial systems Fullstack development experience using JavaScript and React Experience with Flask or similar Python web frameworks Familiarity with functional programming Experience working with PostgreSQL or other SQL databases Knowledge of Docker More ❯
Chester, Cheshire West and Chester, Cheshire, United Kingdom
Ascendion
We are urgently looking for a PythonDeveloper to join our Device Intelligence team. Position Summary: 12+ years of experience in Python development with expertise in OOP and software design principles. Strong knowledge of SQL (PostgreSQL, MySQL, or SQL Server) for complex queries and database optimization. Hands-on experience with Linux environments (bash scripting and deployment). More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Hays Specialist Recruitment Limited
I am currently working with a London-based Tier 1 investment bank who are actively seeking a PythonDeveloper on a long-term contract basis. What you'll need to succeed Strong Python programming experience within Financial Services - Mandatory Good understanding of quantitative finance Good experience developing and optimising Python-based calculators and models. Strong experience More ❯
Crofton Park, Greater London, UK Hybrid / WFH Options
Hays
I am currently working with a London-based Tier 1 investment bank who are actively seeking a PythonDeveloper on a long-term contract basis. Is this your next job Read the full description below to find out, and do not hesitate to make an application. What you'll need to succeed Strong Python programming experience within … Financial Services - Mandatory Good understanding of quantitative finance Good experience developing and optimising Python-based calculators and models. Strong experience developing high-performance APIs using Flask or FastAPI. Expertise in Pandas, NumPy and other computing libraries. Strong experience liaising with front-office stakeholders What you'll get in return Initial 6-month contract with extensions Up to £700pd umbrella More ❯
We're hiring for a PythonDeveloper for a company who is a leader in their industry. They're expanding their tech team as they scale, and this is a fantastic opportunity to play a key role in their growth. Skills: Strong experience withPython Data led experience and preference for a background in Data Engineering Experience working across More ❯
Sheffield, Yorkshire, United Kingdom Hybrid / WFH Options
Recruitment Revolution
build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend PythonDeveloper to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture click apply for full job details More ❯
York, Yorkshire, United Kingdom Hybrid / WFH Options
Recruitment Revolution
build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend PythonDeveloper to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture click apply for full job details More ❯
This is a fantastic opportunity to work a remote Senior Fullstack Developer for a major pharmaceutical company on a long term contract, outside IR35. The key skills required for this Senior Fullstack Developer are: Python React Typescript AI (desirable AWS SQL Kubernetes (desirable) If you do have the relevant experience for this remote, outside IR35 Senior Fullstack … Developer role, please do send through your CV. More ❯
transforming market research. You will be at the forefront of innovation, shaping a product that allows researchers to analyze complex survey data instantly using natural language. As a senior Pythondeveloper, you will lead architecture and backend development, taking ownership of key features from concept to deployment. You will design and implement new AI-powered analysis tools, refine … shape the technical roadmap, own performance and caching optimizations, and elevate the team by guiding and supporting junior developers through mentorship and code reviews. About you: Essential skills: Professional Python experience, including deep knowledge of FastAPI and async workflows. Proven ability to take ownership of features, lead development, and support junior engineers. A genuine love for writing code, demonstrated More ❯
West London, London, United Kingdom Hybrid / WFH Options
Client Server
Senior Full Stack Developer/Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets … with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Full Stack Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You … ll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Senior Full Stack Developer/Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets … with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Full Stack Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You … ll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own More ❯
Hammersmith, Greater London, UK Hybrid / WFH Options
Client Server
Senior Full Stack Developer/Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets … reading through the complete overview below. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Full Stack Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You … ll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own More ❯
Brook Green, Greater London, UK Hybrid / WFH Options
Client Server
Senior Full Stack Developer/Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets … reading through the complete overview below. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Full Stack Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You … ll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own More ❯
We’re seeking a topflight Senior Backend Developer with a strong software engineering background including 5+ years majoring in writing Backend applications using Python and Django (Rest Framework). The Senior Backend Developer will be joining a top-flight team of 45 at a world-class healthcare scaleup to help scale a native mobile app by 10x … 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 frameworks and More ❯
Leeds, West Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
Recruitment Revolution
build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for someone experienced in … working with modern data infrastructure. At Ask BOSCO® , we're on a mission to help brands spend smarter with our award-winning predictive analytics platform. As our Senior Backend Developer you won't just write code - you'll shape the future of a high-growth MarTech product, lead technical strategy, and work directly with founders, data scientists, and clients … matters, your technical brilliance is valued, and your work directly influences product growth and innovation, we'd love to hear from you. The Role at a Glance: Senior Backend Developer Remote Working/Leeds, HQ 2 Days per month £70,000 - £90,000 DOE Plus Benefits: including a 4-day week – we work smarter so that we can work More ❯
Leeds, West Yorkshire, United Kingdom Hybrid / WFH Options
RecruitmentRevolution.com
build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for someone experienced in … working with modern data infrastructure. At Ask BOSCO® , we're on a mission to help brands spend smarter with our award-winning predictive analytics platform. As our Senior Backend Developer you won’t just write code - you’ll shape the future of a high-growth MarTech product, lead technical strategy, and work directly with founders, data scientists, and clients … matters, your technical brilliance is valued, and your work directly influences product growth and innovation, we’d love to hear from you. The Role at a Glance: Senior Backend Developer Remote Working/Leeds, HQ 2 Days per month £70,000 - £90,000 DOE Plus Benefits: including a 4-day week – we work smarter so that we can work More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ashdown Group
A well-established business is looking for an accomplished Software Engineer with expert Python skills to join its organisation. Please note, this role is Outside IR35. The company embraces hybrid and flexible working so you will be able to work fully remotely, with occasional visits (perhaps once per month) to the office in London. Web, software, and AI-enabled … technology are fundamental to the success of the business so you must have proven experience of developing great software in Python and an interest in adopting cutting-edge technology. In order to be suitable for this Lead Software Engineer role you must be an accomplished developer with a passion for technology and desire to mentor a team. You … will hold proven experience delivering SaaS projects in Python and will be keenly interested in AI and ML. Experience with AWS and data engineering would be advantageous to your application. In this role of significant responsibility, you will be both a Lead Developer and guide 2 in-house developers and an offshore team. You will act as a More ❯
Islington, London, United Kingdom Hybrid / WFH Options
Ashdown Group
Overview A well-established business is looking for an accomplished Software Engineer with expert Python skills to join its organisation. This is an Outside IR35 role with hybrid and flexible working; you can work fully remotely with occasional visits to the London office (perhaps once per month). Responsibilities Lead Developer responsible for guiding 2 in-house developers … and an offshore team. Act as the technical authority on software written in Python and lead architectural discussions. Write code, ensure technical quality, and deliver complex software projects. Partner with key stakeholders to drive forward technological innovation and business growth. Qualifications and Skills Proven experience developing great software in Python with a passion for technology and an interest More ❯
currently made up of 9 employees in a start-up company. It is a hybrid role with 3 days per week on-site in Central London. Key Tech Stack: Python for data processing and backend logic SQL (PostgreSQL/SQL Server) for data querying and pipelines React (TypeScript) for intuitive, modern UIs Exposure to cloud platforms (AWS/Azure … Docker, or streaming tools (Kafka, Spark, etc.) is a plus Ideal Profile: 1-2 years' experience in a commercial software or data engineering role Strong coding skills in Python, SQL, and React Keen to work closely with clients and solve meaningful, complex problems A self-starter comfortable in a start-up environment Package & Perks: £35,000-£45,000 base More ❯