17 of 17 Python Engineer Jobs in the Thames Valley

Lead Python Engineer | Python, FastAPI, Start-up | Remote, £90-105k I'm working with a well-funded, mission-driven healthtech company building innovative technology that makes healthcare more accessible and easier to use. They're scaling their engineering team as they expand their platform across … internationally. They're hiring a Lead Python Engineer to take technical ownership of their backend and API layer. This is a senior IC (staff/principal-level) role with real influence over architecture, standards and delivery. What you'll be doing: Owning backend architecture across core services Designing ...

mission to make AI safe and reliable for anyone to use. To help us succeed, our team is looking for a Senior Python Engineer, and we're hoping it's you! In this role! You'll help lead and implement the improvement of algorithms, optimising execution, usability … package architecture of our ML Verification packages. Note that this is a Python code focused role, rather than a Data Science role, so Python programming skills are the priority, where as Machine Learning and Data Science skills are secondary. There will be plenty of opportunity to get involved ...

Senior Software Engineer (Python/Backend) | Python (Flask), TypeScript , AWS Location: London-based, Highly Flexible (Open to Remote Working Outside London) Compensation: £110,000 + Equity Role: Senior Full Stack (70% Backend/30% Frontend) The Challenge We are representing a highly profitable, London-based technology scale … startup phase, successfully scaling to 16 people with a client base of hundreds of global brands. They are currently looking for a tenured backend Python specialist to own the \"engine\" of their platform. This is a high-autonomy role where you aren't just shipping tickets—you are architecting ...

Python Software Engineer (AI/Life Sciences) — London (Hybrid) | £50k–£70k + equity I'm working with an early-stage AI + life sciences startup in London that's building a platform used to support scientists working on real drug development challenges. They're hiring a Software Engineer (roughly 2–4 years experience) to join as an early engineering hire. What they need: Strong Python fundamentals (clean code, testing, maintainability) Experience building APIs/backend services Experience with data pipelines/data processing workflows Comfortable working in an early-stage environment (ownership, ambiguity, fast iteration) Someone ...

Full-Stack Engineer (Python/Django/React) London Based Scale Up - Up to £90k DOE + Bonus Our client is a London-based SaaS scale-up operating at the intersection of LegalTech and FundTech. The business focuses on solving a highly specific, high-value problem within investment … recently secured Series-C funding. This isn't a "bit of frontend, bit of backend" role. Our client is hiring a Full-Stack Engineer to build the engine that powers modern legal workflows — the systems that turn slow, manual legal work into fast, automated, scalable software used ...

data pipelines Develop backend services and APIs to support data processing and analytics Build integrations with external vendors and market data providers Tech Stack Python AWS (Lambda, ECS, CloudFormation, S3) GitHub Actions (CI/CD) Vue.js (optional frontend involvement) Requirements 2+ years' experience as a Data Engineer or Backend Engineer Proficiency in Python Experience with Java server side/UI components Strong problem-solving skills and the ability to work independently Experience in a start-up or high-growth environment is a plus Benefits Competitive base salary with performance-based bonus Private healthcare ...

Role: Software Engineer — Clearing & Post‐Trade Systems Skills: Python, Distributed Systems, Databases, Financial Infrastructure Location: London Compensation: £500K TC Overview Join a high‐impact engineering group building next‐generation clearing and post‐trade systems that support large‐scale algorithmic trading. You'll design and implement core services that … guarantee reliability, accuracy, and latency‐sensitive performance across global trading infrastructure. Key Responsibilities Build, scale, and maintain Python services that manage trade capture, clearing, and settlement processes. Design distributed systems to ensure data integrity and fault tolerance across trading and back‐office pipelines. Work closely with trading, operations ...

boards, that takes as inputs the requirements of a circuit board and automatically outputs a complete design, ready for manufacture. As a Lead Software Engineer, you'll create simple and elegant solutions to difficult technical problems that the world has not solved before. You will work in close collaboration … infrastructure, APIs, complex database queries, ML models. Learn, use, and improve best practices and processes for high-quality software development. Our technology stack includes Python 3.11, PostgreSQL, Django, mypy, GraphQL, Docker, Redis, Typescript, React. Qualifications We're only considering exceptional candidates, with the following pre-requisites: 5+ years ...

Summary About: Kalisa is a GenAI platform turning knowledge and expertise into secure AI solutions, in minutes. Core skills required: Python, Flask, LangChain, RAG, Generative AI product development, LLMs, Guard railing, anti-hallucination techniques and GenAI evaluation techniques. Other skills considered: Tailwind CSS, HTMX, AWS or Azure … role, we encourage you to apply and look forward to hearing about your tech journey. Who you are We are seeking an experienced Flask Python AI Engineer with LangChain Experience with a proven track record in building and deploying production-grade GenAI applications. You will join a small ...

hedge fund, operating across all liquid asset classes with a strong, technology-driven and scientific approach to investing. Our client is looking for a Python Software Engineer to help evolve and scale their high-performance trading platform, delivering the speed and reliability that the fund relies on. … incident response, and collaborating closely with front-office developers, researchers, traders, and platform teams to improve reliability, performance, and scalability across the platform. Stack: Python, AWS, Linux The firm offers a highly collaborative culture with strong engineering ownership, direct exposure to front-office trading systems, and the opportunity ...

Software Engineer (C#, C++, Python, TDD, Applied Engineering)Oxford - 4 days per week in office.£45000 - £70000 + Package.- Must have a Computing/STEM Degree (2:1 or higher).- Can work in their Oxford head office 4 days a week. Your new company … function and will require your own vehicle. Your new role This role sits in the core Development team and would suit a Software Engineer with a passion for Science/Applied Engineering with commercial Full Stack experience. You'll participate in the full development lifecycle from user story generation ...

Senior Software Engineer – AI Operations (Python/Golang) Location: London (Hybrid) Work Model: Hybrid (office & home) Employment Type: Permanent, Full-time About the Role We're building a next-generation AI Operations platform that supports large-scale streaming, content delivery, and live digital services used by millions … customers globally. As a Senior Software Engineer – AI Operations, you'll play a key role in designing and scaling complex systems that enable alert ingestion, correlation, automation, and AI-assisted operational intelligence. This is a highly hands-on, technical role with real influence over platform architecture, engineering standards ...

accomplished Python developer, you know your way around APIs, have a strong handle on supporting or configuring SaaS solutions and you thrive on customer interaction. Are you ready to make your mark on future-proof software? We are Preservica and our groundbreaking active digital preservation solutions … skills and a positve can-do attitude. Responsibilities: Lead portions of customer onboarding projects, including data ingest and metadata mapping. Develop and maintain scripts (Python, PowerShell, or similar) to automate customer workflows. Work with APIs to support integrations Collaborate with senior team members to troubleshoot and resolve customer issues. ...

Software Engineer (C#, C++ or Python, ML, STEM Degree)Oxford - 3-4 days per week in office.£45000 - £68000 + Package. - Must have a Computing/STEM Degree (2:1 or higher).- Can work in their Oxford head office 3-4 days week. Your new company … passion for Mechanical Engineering/Physical Modelling with commercial Software Development experience - you must have written production grade code in C#, C++ or Python for application development (not web apps or embedded) and an interest in pushing Machine Learning over time. Your new role In this role ...

Full-Stack Engineer (React/Python/AI) Location: London (Hybrid) Salary: £100,000 + Equity About the Company: An early-stage, well-funded tech startup building AI-powered software to help businesses make smarter decisions and improve operational performance. The team is small, highly technical, and mission … driven, giving you the chance to shape both the product and engineering culture. The Role: We're looking for a Full-Stack Engineer to join a fast-moving, collaborative team. You'll work across the stack — crafting sleek UIs in React, building scalable back-end systems in Python ...

commercial leads Maintain high standards of documentation, testing, and code quality About You 5+ years in software development Strong backend experience - C# and Python Experience in SQL What will I get? Remote working Competitive salary Flexible working arrangements Opportunity to build and lead your own team Private healthcare Pension ...

business tools to execute actions autonomously. Enterprise Security: Architecting strict data boundaries and complex permissioning. What You Bring: Strong backend/systems engineering experience (Python/Django/Langchain Agentic stack) with a recent focus on LLM application layers (e.g., agentic workflows, complex RAG, React). A proven track ...