City of London, Greater London, UK Hybrid / WFH Options
X4 Technology
Role: Contract PythonDeveloper Domain: Oil, Gas and Energy Day rate: 600 - 750/d (inside IR35) Location: London (Hybrid 3 days per week) Contract: 6 months (likely extension) X4 Technology are working with a global Oil, Gas and Energy firm in London seeking an experienced Contract PythonDeveloper for a high-impact engagement. Youll be … driven platforms and back-end systems in a complex and fast-moving environment, collaborating across teams to deliver cutting-edge solutions in the energy sector. Responsibilities of the Contract PythonDeveloper (Commodities) Lead the design, development and optimisation of robust Python-based applications and services Build scalable, secure APIs and data pipelines using modern frameworks and tools … solutions across the stack Drive continuous improvement through code reviews, automation, and performance tuning Ensure best practices around security, scalability, and maintainability are applied throughout Requirements for the Contract PythonDeveloper (Commodities) 8+ years of software engineering experience, with 4-6 years of professional Python development Strong experience building RESTful APIs and working with frameworks such as More ❯
PythonDeveloper - 550 Per Day 4 months - Fully Remote Consultancy Overview: A market leading organization operating within the consultancy space is searching for an experienced PythonDeveloper to join one of their customers. Role & Responsibilities: Develop and maintain Python-based products. Manage backlog items proactively. Perform deployments and security updates. Maintain accurate run books and … documentation. Escalate genuine issues while working independently. Contribute to improvements in AWS deployments and operations. Technical Requirements: Strong experience with Python 3 and developing production systems. Experience with AWS-deployed products. Familiarity with secure deployments, patching, and maintenance. Able to create and maintain run books and technical documentation. Autonomous and proactive, with minimal supervision needed after onboarding. SFIA Level … capability preferred. Strong communication skills for release docs, CAB changes, and run books. Rate & Duration: 550 Per Day 4 months Fully Remote PythonDeveloper - 550 Per Day 4 months - Fully Remote Consultancy More ❯
Quantitative DeveloperPython Fixed Income 4 days in office A leading global investment firm is looking for a Python Engineer to work directly with portfolio managers and traders in its front office team. This role is focused on delivering high-quality tools and data solutions to support fixed income trading and investment activity. This is a permanent … position, based in London, offering a very competitive package. The Role: Build and maintain front office applications in Python to support trading and decision-making. Collaborate closely with PMs and traders, translating business needs into technical solutions. Engineer and manage data pipelines using technologies such as MongoDB, Snowflake, and AWS (or other cloud platforms). Ensure scalable, reliable, and … high-performance systems that directly impact trading outcomes. Requirements: Strong Python engineering skills. Direct front office experience working alongside PMs and traders. Exposure to fixed income products (bonds sufficient; no need for complex derivatives). Familiarity with data engineering tools and cloud platforms (MongoDB, Snowflake, AWS or similar). This is an excellent opportunity for a Python Engineer More ❯
Quantitative DeveloperPython Fixed Income 4 days in office A leading global investment firm is looking for a Python Engineer to work directly with portfolio managers and traders in its front office team. This role is focused on delivering high-quality tools and data solutions to support fixed income trading and investment activity. This is a permanent … position, based in London, offering a very competitive package. The Role: Build and maintain front office applications in Python to support trading and decision-making. Collaborate closely with PMs and traders, translating business needs into technical solutions. Engineer and manage data pipelines using technologies such as MongoDB, Snowflake, and AWS (or other cloud platforms). Ensure scalable, reliable, and … high-performance systems that directly impact trading outcomes. Requirements: Strong Python engineering skills. Direct front office experience working alongside PMs and traders. Exposure to fixed income products (bonds sufficient; no need for complex derivatives). Familiarity with data engineering tools and cloud platforms (MongoDB, Snowflake, AWS or similar). This is an excellent opportunity for a Python Engineer More ❯
Were looking for a Python Engineer to work with one of the worlds largest book publishers, aiding the sale, marketing & distribution of A-list authors across the globe. This position is In the Growth and Analytics team utilising huge quantities of data in order to better support authors and help them gain further exposure to their works, encompassing thousands … of different books at one time providing analysis throughout the supply chain, to marketing & sales for domestic markets in the UK, and further abroad internationally. Skills And Experience Required Python experience Be great to have a web framework Flask, FastAPI, Django, etc Data manipulation with Pandas/numpy SQL Server This role is great for; Python Engineers early … in their Career that want access to a great learning culture and mentorship. Python Engineers with a love for knowledge that want to help bring amazing ideas to the wider public. Python engineers with a strong desire to explore the potential and capabilities of AI as applied to data analysis & manipulation. Salary - Up to 56,000 dependent on More ❯
Title: Software Engineer (PythonDeveloper) Location: London, UK Employment Type: Contract Duration: Long Term Overview: We are seeking a skilled Software Engineer with strong programming expertise in Python and hands-on experience in data manipulation, analysis, and software engineering best practices . The ideal candidate will be passionate about clean, maintainable code and capable of building scalable … efficient solutions. Key Responsibilities: Develop, test, and maintain Python-based applications and scripts. Perform data cleaning, transformation, and analysis using Pandas and NumPy . Design and implement modular, reusable, and testable code following best practices. Collaborate with cross-functional teams to integrate data and software components. Utilize version control tools (Git) for code collaboration and management. (Optional) Build and … enhance interactive dashboards using Plotly Dash for data visualization. Work with REST APIs to fetch and send data between front-end and back-end systems. Required Skills & Experience: 1. Python Programming Strong understanding of functions, classes, and object-oriented programming (OOP) . Experience with list comprehensions, generators, and error handling . Proficiency in managing virtual environments and package dependencies More ❯
Title: Software Engineer (PythonDeveloper) Location: London, UK Employment Type: Contract Duration: Long Term Overview: We are seeking a skilled Software Engineer with strong programming expertise in Python and hands-on experience in data manipulation, analysis, and software engineering best practices . The ideal candidate will be passionate about clean, maintainable code and capable of building scalable … efficient solutions. Key Responsibilities: Develop, test, and maintain Python-based applications and scripts. Perform data cleaning, transformation, and analysis using Pandas and NumPy . Design and implement modular, reusable, and testable code following best practices. Collaborate with cross-functional teams to integrate data and software components. Utilize version control tools (Git) for code collaboration and management. (Optional) Build and … enhance interactive dashboards using Plotly Dash for data visualization. Work with REST APIs to fetch and send data between front-end and back-end systems. Required Skills & Experience: 1. Python Programming Strong understanding of functions, classes, and object-oriented programming (OOP) . Experience with list comprehensions, generators, and error handling . Proficiency in managing virtual environments and package dependencies More ❯
and AI-powered services, with an emphasis on trust, resilience, and common digital standards. Candidates will join a cross-functional team shaping next-generation public services through cutting-edge Python engineering and AI. Overview The PythonDeveloper will design and implement high-performance, secure services in the Business Layer, enabling personalised, AI-driven citizen services. Responsibilities Develop … and maintain APIs and services using Python, FastAPI/Django/Flask, and modern cloud tooling. Build secure and performant integrations between the Business Layer and other systems. Design and optimise data pipelines and transformation logic for large-scale services. Contribute to highly available, fault-tolerant workloads supporting millions of daily interactions. Collaborate within agile teams alongside product owners … architects, and engineers. Essential Skills Proven Python development experience in production. Strong knowledge of RESTful APIs and asynchronous frameworks (FastAPI, AsyncIO, etc.). Experience with cloud environments (AWS Lambda, API Gateway, Serverless). Solid understanding of SQL/NoSQL databases and caching technologies (Redis, DynamoDB, PostgreSQL). Active UK Security Clearance. Desirable Experience building or securing mission-critical, public More ❯
Python Engineer + LLMs - London | Hybrid (3 days max onsite) 70,000 - 85,000 NearTech's working with a fast-moving FinTech investing heavily in generative AI, and theyre now hiring an Python Engineer with LLM experience to join a predominently product-led, engineering-first team shaping internal AI tools from the ground up. (N.B. I've also … advertised the role as an AI software Engineer but it's a better fit for an out and out python engineer who has moved into the AI space/tinkered within LLMs. The company are not looking for out and out data scientists/MLEs at this point in time) Youll build back-end systems in Python that … how GenAI gets used in real-world business tooling - so I'd expect candidates to have a few years' of experience of shipping in production. Youll be working on: Python back-end services that interface with LLMs RAG pipelines/conversational (Chatbot assistants) Containerised deployments, CI/CD, and MLOps workflows Scalable APIs and microservices What they're looking More ❯
are working with a growing SaaS company that's building a powerful platform to help businesses manage employee shares and incentive plans. They are looking for a driven Senior Python/Django Developer in the UK to join their fully remote team and play a key role in the next phase of product growth. This is a hands … world problems in legal and financial workflows. The platform is already delivering meaningful value to clients, and theres plenty of room for innovation. What Youll Be Doing Writing backend Python code to build and enhance core product features Working across the full development lifecycle; planning, building, testing, and shipping software Contributing to the platforms performance, reliability, and scalability Collaborating … independently in a remote setup Background in computer science, or a proven record of delivering quality software Curious, proactive, and motivated to write great code and improve as a developer Bonus Points For Experience With NumPy, Pandas HTML, CSS, JavaScript Git LaTeX Cybersecurity best practices Financial, legal, or compliance-related tech Location & Setup The engineering team is fully remote More ❯
Senior Backend Engineer (Python/Django) ClimateTech Start-up | London Bridge | 3 days onsite 8595k + early-stage equity Tired of being just another engineer? Heres your chance to be the third backend hire at a fast-growing ClimateTech start-up making a real dent in global carbon emissions. At Minimum , youll: Solve hard technical challenges from scaling data … stage start-up shipping fast, making decisions that matter, and helping shape the product See direct impact your code helps global organisations decarbonise What youll bring: 510 years with Python (ideally Django) Strong problem-solving & system design skills Start up mindset fast, collaborative, comfortable with ambiguity Passion for clean tech + building meaningful products Why join? 8595k + early … stage equity 28 days holiday The chance to leave your mark on a product that fights climate change Not just another Python role. This is your opportunity to build, shape, and solve with impact. Apply now (dont worry if your CV isnt perfect - well sort that later). martin@mnrecruit.net 07859 911 079 - Happy for you to call me More ❯
Senior Backend Engineer (Python/Django) ClimateTech Start-up | London Bridge | 3 days onsite 8595k + early-stage equity Tired of being just another engineer? Heres your chance to be the third backend hire at a fast-growing ClimateTech start-up making a real dent in global carbon emissions. At Minimum , youll: Solve hard technical challenges from scaling data … stage start-up shipping fast, making decisions that matter, and helping shape the product See direct impact your code helps global organisations decarbonise What youll bring: 510 years with Python (ideally Django) Strong problem-solving & system design skills Start up mindset fast, collaborative, comfortable with ambiguity Passion for clean tech + building meaningful products Why join? 8595k + early … stage equity 28 days holiday The chance to leave your mark on a product that fights climate change Not just another Python role. This is your opportunity to build, shape, and solve with impact. Apply now (dont worry if your CV isnt perfect - well sort that later). martin@mnrecruit.net 07859 911 079 - Happy for you to call me More ❯
specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen AI Solutions, providing fully remote working with ad hoc client site travel (fully expensed). They are looking for a Python/GenAI Full Stack Consultant (Junior-Mid) to join a rapidly growing team, building cutting-edge digital solutions, primarily within Government, Finance, Retail & Energy sectors. Budget: 55k + full … benefits + fully remote Primary requirements: Must be eligible for SC Clearance Backend Development: Experience in building microservices using Python with FastAPI, Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical More ❯
We are looking for a talented senior full stack developer with experience in building risk systems and databases. In this role, you will be responsible for the development, maintenance, and support of critical risk systems that calculate P&L, Value-at-Risk, Scenarios and Risk exposures across our portfolios. You will be joining an innovative team and will be … a key contributor to our suite of reporting and analysis tools, which provide insights to risk and trading teams through Python, Excel, and web-based platforms. You will operate within a highly collaborative environment with a diverse team of quantitative researchers, risk managers, and traders. This position offers a unique opportunity to lead greenfield projects, designing and implementing new … systems and tools from the ground up. The technology stack within our team is primarily C# and Python backends, SQL databases, RabbitMQ, REST, React and Excel UI. Exposure to C++ is beneficial as interaction with the quant library is usual. A degree in Computer Science, Engineering, Finance, Mathematics, or a related quantitative field. Should have solid Maths or science More ❯
We are looking for a talented senior full stack developer with experience in building risk systems and databases. In this role, you will be responsible for the development, maintenance, and support of critical risk systems that calculate P&L, Value-at-Risk, Scenarios and Risk exposures across our portfolios. You will be joining an innovative team and will be … a key contributor to our suite of reporting and analysis tools, which provide insights to risk and trading teams through Python, Excel, and web-based platforms. You will operate within a highly collaborative environment with a diverse team of quantitative researchers, risk managers, and traders. This position offers a unique opportunity to lead greenfield projects, designing and implementing new … systems and tools from the ground up. The technology stack within our team is primarily C# and Python backends, SQL databases, RabbitMQ, REST, React and Excel UI. Exposure to C++ is beneficial as interaction with the quant library is usual. A degree in Computer Science, Engineering, Finance, Mathematics, or a related quantitative field. Should have solid Maths or science More ❯
