21 of 21 Senior Python Developer Jobs in London

Senior Python Developer - Python, SQL, Databricks, AWS/Azure OB have partnered with a Global Insurance Leader, who are expanding their Python Engineering team, with Senior Python Developer, skilled with Python, SQL, Databricks and Cloud Infrastructure. In this role, you will play a key part in designing and building new capabilities … such as high-performance API's and high-frequency event streams, as well as making improvements to their current platform. Senior Python Developer - Python, SQL, Databricks, AWS/Azure Key skills and experience: Python FastAPI SQL Databricks AWS/Azure API's Hybrid working with 3-days a week required in a Central London office … Pays up to £90k + benefits To be considered, you must be UK based Senior Python Developer - Python, SQL, Databricks, AWS/Azure More ❯

Senior Python Developer - Python, SQL, Databricks, AWS/Azure OB have partnered with a Global Insurance Leader, who are expanding their Python Engineering team, with Senior Python Developer, skilled with Python, SQL, Databricks and Cloud Infrastructure. In this role, you will play a key part in designing and building new capabilities … such as high-performance API's and high-frequency event streams, as well as making improvements to their current platform. Senior Python Developer - Python, SQL, Databricks, AWS/Azure Key skills and experience: Python FastAPI SQL Databricks AWS/Azure API's Hybrid working with 3-days a week required in a Central London office … Pays up to £90k + benefits To be considered, you must be UK based Senior Python Developer - Python, SQL, Databricks, AWS/Azure More ❯

Senior Backend Developer - Python, AWS, Django Central London/Hybrid -one day in the office £75-85k + benefits Were seeking a topflight Senior Backend Developer with a strong software engineering background including 8-9+ years majoring in writing Backend applications using Python and Django (Rest Framework). This is a seriously … weighty, complex, technically challenging role; the successful Backend Developer will be 'red hot' on the core backend skill requirements. Demonstrably the 'go to' person in your role. The Backend Python Developer will be joining a team of 45 at a world-class healthcare scaleup. With each integration of a new hospital group there is an acceleration of … analytics to ensure our products are robust and meet users needs Take technical ownership of areas of product Required: 8-9+ 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 ❯

Python Developer - Python, Django, REST API's, AWS, JavaScript OB are partnered with a Global Financial Services company, who are looking to add a highly skilled Python Developer to their team. In this role, you'll be working their Python backend systems, developing new features and collaborating with different teams, to ensure product goals … are met. Python Developer - Python, Django, REST API's, AWS, JavaScript Key Skills and Experience: Strong knowledge of Python Experience with Python frameworks (Django preferred) PostgreSQL REST API'S Docker Cloud experience (AWS preferred) Knowledge of Frontend Technologies (JavaScript, HTML, CSS) This is a hybrid role with 2-3 days a week required in a … London based office Base salary of £75k-£90k depending on skills and experience To be considered, you must be UK based Python Developer - Python, Django, REST API's, AWS, JavaScript More ❯

Job Title: Senior Python Developer (Python/Django) Location: Fully Remote Job Type: Full-Time Salary 80k - 100k About the Company: A fast-growing tech company revolutionizing the e-commerce/data analytics sector with cutting-edge software solutions. Join their dynamic engineering team and contribute to innovative projects. Job Description: We're looking for a … passionate Python Developer (Python/Django) with 5 + years of experience. This role offers the opportunity to work in a fast-paced, collaborative environment and grow your skills. Key Responsibilities: Develop and maintain scalable applications using Python (Django). Build and integrate APIs and third-party services. Participate in Agile development cycles and CI/… Collaborate with cross-functional teams. Requirements: Computer Science or STEM degree from a top Russell Group University (1st or 2:1). 5+ years of full-stack development experience (Python/Django). Strong experience with SQL databases (PostgreSQL/MySQL). Familiarity with DevOps tools (Docker, Kubernetes, AWS/GCP/Azure). Experience with API development and More ❯

Senior Python Developer** (Contract) Duration: 3 Months (Possibility for extension) Location: Remote (Occasional travel to London as and when required) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile We are seeking a highly skilled Senior Python Developer with senior-level expertise to join our dynamic team. Your … our AI assets. Stay abreast of emerging AI technologies, including LLMs, agentic architectures, and application integrations. Skills & Experience: Proven expertise in full stack development with a strong focus on Python (backend) and React (frontend). In-depth knowledge of Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and related AI/ML concepts. Demonstrated ability to design scalable, reliable … Strong team collaboration skills, with a proactive approach to problem-solving. Hands-on expertise with LangChain. Experience with AI model deployment and optimization strategies. Technical Expertise Required: Proficient in Python Experienced with REACT.js Familiar with Node.js Knowledge of Docker Understanding of LangChain Experience with cloud platforms such as Amazon Web Services (AWS) or Azure Familiarity with LLMs and RAG More ❯

Clients include large Private Equity funds, Asset Managers, listed Corporates, high-growth tech companies and many more. Learn more about why we do what we do here. The role: Senior Python Developer Join our lean UK-based technology team as a Senior Python Developer, where you'll play a pivotal role in the development … side REST and GraphQL APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language (ideally Python, but experience in C++/C#/Java/etc would also be considered) Experience working on mission-critical applications, following a robust SDLC Excellent communication and problem-solving … skills; and a strong aptitude for learning Experience and enthusiasm for test-automation and CI/CD Strong STEM degree or equivalent professional experience Desirable skills: Deep knowledge of Python, including any of the frameworks we currently use: Flask, SqlAlchemy, Alembic, Pydantic Experience with relational databases, ideally Postgres Experience of message-based architectures, and queuing technologies, i.e. RabbitMQ Experience More ❯

Senior Software Developer - Python 12-Month Contract Inside IR35 Role Details Location: London or Manchester (2 days/week onsite + monthly team rotation) Duration: 12 months Clearance: BPSS to start; active SC required due to timsecale of the project Team: 10 direct reports, part of a 60+ programme Experience: 4+ years Essential Skills Technical: Strong Python … high-quality, well-documented code Ownership of the full development process Collaborative working with user-centered design (UCD) teams Thrives in small, agile, multi-disciplinary teams Key Responsibilities: Develop Python-based applications and data services Build and maintain APIs and open data platforms Ensure code is of high quality and well-documented Work closely with UCD teams and technical … experts in an agile environment What We're Looking For: Senior Python developer with strong focus on code quality Experience working with data services Comfortable working in small, agile teams and collaborating with UCD teams More ❯

Senior Software Developer – Python/Ruby Location: London (2/3 days per week on-site) Rate: Up to £650/day (Inside IR35 – 12-month Contract) A major UK government department is seeking an experienced Senior Software Developer to play a key role in the redevelopment of a critical national open data platform. This … practices. Representing the team in internal and external technical discussions and communities. What You’ll Bring To thrive in this role, you will need: Expert-level coding ability in Python or Ruby, plus experience with at least one other modern language. A strong track record of developing and delivering production-grade web services. Experience working with Git and writing More ❯

Senior Backend Developer (Python) Kings Cross, London- Onsite 2/3 days a week 6 month contract Inside of IR35 £750 - £800 per day My client is seeking a highly skilled software engineer to join its AI/ML team, contributing to the development of cutting-edge applications that accelerate drug discovery and enable personalised therapies. The … ideal candidate will have strong Python backend development experience, preferably with FastAPI, and be proficient in cloud-native infrastructure (Google Cloud preferred), DevOps practices, and automated testing. While a background in life sciences is a plus, a passion for improving healthcare through technology is essential. The role involves integrating AI/ML components into scalable web applications, collaborating across … technical teams, and continuously improving software quality and performance. Key responsibilities Back end development for a Python web application Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high quality software implementations according to best practices, including automated test suites and documentation Develop, measure, and monitor key metrics for all tools and services More ❯

platform that helps companies deploy smart agents, supercharge workflows, and innovate at scale. And here s the best part: we re just getting started. We re looking for a Senior Azure/Python Developer with a flair for AI to join the core team building the future of intelligent automation. If you thrive in fast-paced, idea … + flexible remote work + a culture that values speed, quality, and innovation. • A tech stack You ll Love Working With: Azure AI Foundry, Azure AI Search, AKS, Python, VS Code (Copilot), Docker, Kubernetes. What you ll be doing: • Architect and build AI-first features using Azure s cutting-edge ecosystem • Design scalable, cloud-native solutions with a collaborative … high-speed team • Code with precision in Python • Supercharge your dev flow using GitHub Copilot • Write code that s clean, tested, and production-ready - every time • Work in tight, iterative sprints where ideas turn into deployed solutions fast What you ll bring: • Expertise across Azure s AI stack: AI Foundry, Search, AKS • Strong command of Python - and the More ❯

platform that helps companies deploy smart agents, supercharge workflows, and innovate at scale. And here's the best part: we're just getting started. We're looking for a Senior Azure/Python Developer with a flair for AI to join the core team building the future of intelligent automation. If you thrive in fast-paced, idea … + flexible remote work + a culture that values speed, quality, and innovation. • A tech stack You'll Love Working With: Azure AI Foundry, Azure AI Search, AKS, Python, VS Code (Copilot), Docker, Kubernetes. What you'll be doing: • Architect and build AI-first features using Azure's cutting-edge ecosystem • Design scalable, cloud-native solutions with a collaborative … high-speed team • Code with precision in Python • Supercharge your dev flow using GitHub Copilot • Write code that's clean, tested, and production-ready - every time • Work in tight, iterative sprints where ideas turn into deployed solutions fast What you'll bring: • Expertise across Azure's AI stack: AI Foundry, Search, AKS • Strong command of Python - and the More ❯

platform that helps companies deploy smart agents, supercharge workflows, and innovate at scale. And here’s the best part: we’re just getting started. We’re looking for a Senior Azure/Python Developer with a flair for AI to join the core team building the future of intelligent automation. If you thrive in fast-paced, idea … + flexible remote work + a culture that values speed, quality, and innovation. • A tech stack You’ll Love Working With: Azure AI Foundry, Azure AI Search, AKS, Python, VS Code (Copilot), Docker, Kubernetes. What you’ll be doing: • Architect and build AI-first features using Azure’s cutting-edge ecosystem • Design scalable, cloud-native solutions with a collaborative … high-speed team • Code with precision in Python • Supercharge your dev flow using GitHub Copilot • Write code that’s clean, tested, and production-ready - every time • Work in tight, iterative sprints where ideas turn into deployed solutions fast What you’ll bring: • Expertise across Azure’s AI stack: AI Foundry, Search, AKS • Strong command of Python - and the More ❯

platform that helps companies deploy smart agents, supercharge workflows, and innovate at scale. And here’s the best part: we’re just getting started. We’re looking for a Senior Azure/Python Developer with a flair for AI to join the core team building the future of intelligent automation. If you thrive in fast-paced, idea … + flexible remote work + a culture that values speed, quality, and innovation. • A tech stack You’ll Love Working With: Azure AI Foundry, Azure AI Search, AKS, Python, VS Code (Copilot), Docker, Kubernetes. What you’ll be doing: • Architect and build AI-first features using Azure’s cutting-edge ecosystem • Design scalable, cloud-native solutions with a collaborative … high-speed team • Code with precision in Python • Supercharge your dev flow using GitHub Copilot • Write code that’s clean, tested, and production-ready - every time • Work in tight, iterative sprints where ideas turn into deployed solutions fast What you’ll bring: • Expertise across Azure’s AI stack: AI Foundry, Search, AKS • Strong command of Python - and the More ❯

Senior Java Engineer Location: London (1-2 days a week in the office, mandatory on Thursdays) Experience: Minimum 8-10 years Technical Skills: Proficiency in Java 8 (transitioning to Java 17) Retail banking experince Python Experience with Spring Boot 2.4 and above Knowledge of Continuous Integration Apigee Java Testing API experience If all the above skills match your More ❯

We are looking for a talented and experienced Market Data Python Developer for one of our global Investment Banking Clients. In this role, you will play a key part in developing and maintaining cutting-edge quantitative tools and infrastructure used by our front-office traders and other teams. Requirements Responsibilities: Be a self-starter and plan/schedule … of inclusivity and uphold company values. Qualifications: Bachelor's degree or equivalent with a quantitative emphasis in mathematics, engineering, or computer science. Minimum of 5 years of experience in Python development, with a strong understanding of object-oriented programming principles. Experience with pandas, numpy, matplotlib, scipy, and web frameworks like Flask or FastAPI is a plus. Good understanding of More ❯

engineering how institutions handle short-term investmentswith clean code, smart automation, and a touch of elegance. Youll sit between the tech and operations worlds turning complexity into clarity. Your Python builds the logic that keeps everything flowing smoothly, from trade execution to data orchestration. What Youll Be Doing Building and designing systems that the financial ops team actually use … daily. Writing lean, reliable Python code that scales. Spotting inefficiencies and automating them before anyone else does. Collaborating across teams to translate business needs into solid engineering. Bringing ideas to the table Youre Likely Someone Who Has a STEM background and lives in Python. Loves solving real-world data and finance challenges. Enjoys seeing your work have measurable, immediate More ❯

Senior Backend Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (Global) Are you ready to build the core systems that power one of the fastest-growing cybersecurity platforms on the planet? ?? This is your chance to join a research-driven, venture-backed security scale-up thats trusted by some of the worlds biggest enterprises and critical infrastructure providers. Recognised … by Gartner, armed with $29M+ in funding, and scaling aggressively worldwide, theyre on a mission to reshape how organisations stay ahead of real-world cyber threats. As a Senior Backend Engineer , youll play a key role in building scalable, high-performance backend systems that ingest, process, and serve data on millions of assetshelping global security teams uncover exposures before … platform experience Continuously improving systems performance, deployment, and monitoring as the company scales globally What theyre looking for: 5+ years experience designing and maintaining mission-critical backend applications Strong Python engineering skills , with a track record of building performant, maintainable, and testable systems Solid background in microservices architecture Proficiency with Postgres & MongoDB (relational + non-relational) Experience with event More ❯

Hedge Fund - Senior C++ Quant Developer - Equities - Linux - Python - Data/Algos/Low latency Hedge Fund background essential C++ (Version 11 upwards), Linux, Python (nice to have). Trading systems experience - ideally experience working in the equities space. Ideally the technical has experience with algo implementation. Quantitative Developer - Equities Technology We are in search … of a Quantitative Developer to join our team who is passionate about designing, architecting, and implementing low latency C++ systems that are not only robust, resilient, and accurate, but also exceptionally fast. Our team works directly with the firm's central trading teams. By constructing and maintaining this high-performance infrastructure used by these teams, this developer will … with trading teams to gather requirements and develop solutions in a fast-paced environment Qualifications 5+ years of professional experience in a Front Office, financial services environment as a senior contributor 10+ years cumulative, professional experience Strong background in data structures, algorithms, and object-oriented programming in C++ Permanent role - Central London based - 5 days a week in the More ❯

Senior Full Stack Developer - Hybrid - £650/day Outside IR35 | React | .NET | Python | AWS | API | Asset Management | Wealth Management Looking to speak with experienced Full Stack Developers to join a client of ours within the Asset space. They're looking to build a new division within the tech team and are looking for a Senior/… days onsite in London Up to £650/day Outside IR35 Initial 6-month contract Key Skills Strong experience in full-stack development, with React, and .NET or Python Hands-on experience with AWS Strong API development and integration experience Experience with event-driven architecture Senior Full Stack Developer - Hybrid - £650/day Outside IR35 | React | .NET … Python | AWS | API | Asset Management | Wealth Management More ❯

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (3days in the office and 2 days from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front … end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally start-up or scale-up experience Why us More ❯