1 to 25 of 45 Python Engineer Jobs in London

Founding Software Engineer | Python | Early-Stage AI Start-Up | London Founding Software Engineer (Python) required to build, scale, and own the technical foundation of a well backed, early-stage AI start-up from day one. This is a rare opportunity for a strong Python Software … Engineer to join at the ground floor, working directly with the founders to define the architecture, ship core systems, and shape the long-term technical vision of the company. You’ll have genuine ownership, influence key technical decisions, and play a central role in taking the product from early ...

Python Engineer in finance looking to work on greenfield projects? This is an opportunity to join a global private equity firm that is taking a tech-first approach. You’ll be working as a Python Engineer, closely with stakeholders across both investments and technology. This small … team is looking for a Python engineer to directly support the investment team. You’ll be interfacing with the business regularly, so strong communication skills are important. Ideal person is tech first (Strong Python engineering fundamentals, API design) while getting exposure to modern tech across the stack ...

Python Software Engineer/Developer (Data ML) Remote UK to £75k Are you a data savvy Python Software Engineer? You could be progressing your career in as a hands-on Python Software Engineer role as part of a friendly and supportive international team … their UK presence; their platform enables an insurance quote to be made to the consumer within 60 seconds, using just 4 clicks. As a Python Software Engineer you will play a key role in building the foundational platforms that enable Machine Learning at scale across all countries where ...

Python Software Engineer – Data & Research Platforms Client: Elite Prop Trading Firm Location: London (Hybrid) Compensation: Up to £275,000 Base + Bonus Overview An elite prop trading firm is seeking an experienced Python Software Engineer to join a growing engineering team focused on building large-scale … complex models. The firm operates a technology-first culture, with strong emphasis on engineering quality, scalability, and reproducibility in research. The Role As a Python Software Engineer, you will design and build distributed systems and data tooling that support quantitative research at scale. Key responsibilities include: Designing ...

Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + Equity Build AI-powered systems that automate real-world workflows at scale. This is an opportunity to join a fast-growing AI startup building an AI-driven platform automating … property management workflows, transforming how compliance, maintenance, and tenant communication are handled across the UK property sector. As a Lead Python Engineer, you'll design and build scalable backend systems, APIs, and AI-driven applications, working at the intersection of software engineering, automation, and AI integration. ...

Python Engineer 📍 London (Hybrid) 💷 Up to £180,000 + Bonus + Full Benefits 🚀 The Opportunity Join a leading global hedge fund where technology sits at the core of trading strategy and performance. As a Python Engineer, you’ll work directly with Portfolio Managers, Quants, and Analysts … impact P&L. This is a hands-on, front-office role with immediate visibility and influence. 🔧 What You’ll Do Design, build, and maintain Python-based trading and research infrastructure Develop bespoke analytics and visualisation tools in close partnership with investment teams Optimise data pipelines, automate complex workflows ...

Python Software Engineer/Developer London onsite to £100k Are you a data savvy Python Software Engineer? You could be progressing your career in an impactful role at a start-up Hedge Fund/FinTech founded by two hugely successful financial trading entrepreneurs. As a Python Software Engineer you'll join a small team to design and develop scalable, low latency backend trading systems services including APIs and data-driven research platforms that directly support investment and research teams. You'll focus on backend Python and FastAPI development within a modern development environment ...

Python AI Engineer with Databricks exposure Overview We are looking for a Python AI Engineer (with Databricks exposure) with hands-on experience in Generative AI, backend development, and database-driven applications. The role involves designing and building AI-enabled applications, developing APIs and services to deploy … Collaborate with data engineers, product teams, and domain experts to build production-grade AI solutions. Required Technical Skills • 7+ years of experience as a Python developer which atleast the last 3+ years have been on AI/GenAI solutions • GenAI/AI development experience: LLM applications, AI workflows ...

Senior Automation Engineer (Python, LLM, Spark, ETL) Role Overview We are seeking a highly skilled Senior Automation Engineer with expertise in Python, Large Language Models (LLMs), Spark, and ETL development. The role focuses on building intelligent automation solutions, scalable data pipelines, and integrating AI capabilities into … enterprise workflows. Automation & Python Development Design and develop automation frameworks using Python. Build reusable scripts for data processing and operational tasks. Develop APIs and integration services. LLM & AI Integration Implement LLM-based automation solutions. Integrate AI models for data enrichment and automation. Develop and optimize prompt engineering strategies. ...

Senior Software Engineer Python London, N7 (Hybrid) £75,000 £90,000 + Equity Deep Tech Scale-Up Sponsorship available - have to be a UK resident and based locally to the role. Were partnered with a well-funded deep tech scale-up with a global footprint, currently scaling their … internal platforms and looking for a Senior Cloud Software Engineer to play a key role in building systems that support cutting-edge research and engineering. This is a high-impact opportunity to work in a complex, hybrid environment (cloud and physical systems), where your work directly enables breakthrough technology. ...

Python Software Engineer/Developer (Data ML) Remote UK to £75k Are you a data savvy Python Software Engineer? You could be progressing your career in as a hands-on Python Software Engineer role as part of a friendly and supportive international team ...

Python Software Engineer/Developer London onsite to £100k Are you a data savvy Python Software Engineer? You could be progressing your career in an impactful role at a start-up Hedge Fund/FinTech founded by two hugely successful financial trading entrepreneurs. As a Python Software Engineer you'll join a small team xxuwjjq to design and develop scalable, low latency backend trading systems services inclu... Apply promptly! A high volume of applicants is expected for the role as detailed below, do not wait to send your CV. ...

Lead AI Python Engineer We’re working with an early-stage AI product company in London building software that automates real-world operational workflows using Python and applied AI. This is a hands-on engineering role focused on designing and building backend systems, APIs, and data-driven … code reviews, and help shape technical decisions as the team grows. You’ll be responsible for: Designing and building scalable backend services using Python Developing APIs that support core product functionality Integrating LLM and AI-driven features into workflows Improving system performance, reliability, and maintainability Collaborating cross-functionally ...

Senior Software Engineer (Python) Hybrid London (2 days/week) Up to £100,000 + Benefits We're hiring a Senior Software Engineer to play a key role in building and scaling a high-impact ad-fraud prevention platform used globally. This is a senior IC role … contribute to strong team practices Collaborate closely with Product, Design, and Data teams What we're looking for: Strong experience as a Senior Software Engineer in modern product teams Proven ability to design and deliver scalable, reliable systems Experience operating production services Strong coding, code review, and technical leadership ...

Backend Software Engineer - Python Location: London (in-office 4 days per week, non-negotiable) Type: Full-time Reports to: Head of Engineering Salary: £90,000-£105,000 + benefits Are you a Senior Backend Engineer who thrives on designing and scaling complex systems? Do you enjoy working … from architecture through to production, while contributing to the overall technical direction. Key Responsibilities Design, build, and own backend services and data pipelines in Python Develop and operate streaming systems using Kafka or similar technologies Work with graph-based data structures and algorithms to support analytics and decision-making ...

Description Python Software Engineer/Developer London onsite to £100k Are you a data savvy Python Software Engineer? You could be progressing your career in an impactful role at a start-up Hedge Fund/FinTech founded by two hugely successful financial trading entrepreneurs. … Python Software Engineer you'll join a small team to design and develop scalable, low latency backend trading systems services inclu... ZIPC1_UKTJ ...

Senior Python Engineer | Full Stack | Real-time Data Platform 3 days onsite (nr Oxford) every 6 weeks This is a backend-led full stack role at an early stage technology company building a production grade SaaS platform for real-time data systems and analytics at scale. This … features and also contribute directly to the core platform as the business accelerates through its next phase of growth. You will work primarily in Python, reaching into React on the frontend and working across AWS to ship and support full features end to end. What you will be doing ...

hiring for - Senior MLOps/Python Cloud Engineer job location : London UK Job Type : Permanent job details: We are hiring a Senior MLOps/Python Cloud Engineer The project centres on building a next-generation parametric pricing engine taking a robust Python prototype and transforming … service integrated with the client's core insurance platform. This is a hands-on technical role with real ownership. You will be the lead engineer on the ground making key architectural decisions, building cloud infrastructure from scratch, and driving best practices across the project. Build API and integration layers ...

Senior Python Software Engineer (Contract) Location: London (Hybrid) Contract: Initial term until end of year Client: Consultancy Overview We are seeking an experienced Senior Python Software Engineer to join a high-impact consultancy engagement. This is a hands-on, individual contributor role focused on designing … newly formed AI-focused team, working at the intersection of advanced analytics, financial risk, and modern software engineering. The Role As a Senior Engineer, you will architect, develop, and deploy robust backend systems that automate complex analysis across data, codebases, documentation, and workflow tools. A core focus will ...

hiring for - Senior MLOps/Python Cloud Engineer job location : London UK Job Type : Permanent job details: We are hiring a Senior MLOps/Python Cloud Engineer The project centres on building a next-generation parametric pricing engine taking a robust Python prototype and transforming ...

London (Hybrid) £900 per day | 12-month contract (initial) A leading Tier 1 investment bank is seeking a Senior Python Engineer to join its front-office Equities Risk & PnL Technology team , supporting a high-profile, multi-year transformation programme. This is a critical, fully funded initiative focused … building and enhancing risk and PnL platforms within a front-office environment. Key responsibilities include: Designing and developing scalable server-side components in Python (with some exposure to Java where required) Building and enhancing systems that support real-time risk, pricing and PnL calculations Working closely with traders, quants ...

Senior Software Engineer/Principal Software Engineer- C++, Python - Financial/Banking. Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity. … drive a highly efficient technology used by several markets around the world. To be successful in this role as a Principal Software Engineer - C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work in OOP and work with other ...

London (Hybrid) £900 per day 12-month contract (initial) A leading Tier 1 investment bank is seeking a Senior Python Engineer to join its front-office Equities Risk & PnL Technology team , supporting a high-profile, multi-year transformation programme click apply for full job details ...

Lead Full Stack Engineer/Developer (Python React FastAPI) London/WFH to £70k Are you a full stack technologist with leadership skills? You could be progressing your career at a global, not-for-profit organisation that help to protect the rights and revenue of record producers … used without permission or leaked prior to release. They also collect and distribute music chart data across global regions. As a Lead Full Stack Engineer you'll make the architectural decisions and provide technical leadership to a small, talented team, selecting the right technologies based on scalability, maintainability ...

/Customer Engineer | London (5 Days Onsite) | Conversational AI/Enterprise SaaS | Hypergrowth AI Startup | Python, APIs, Integrations, LLMs | £150k-£180k + Equity + Benefits A hypergrowth AI company is building enterprise-grade conversational AI agents used by some of the world's largest brands to automate … with enterprise stakeholders to ensure successful deployments. Required experience: 5+ years in Forward Deployed Engineering, Solutions Engineering, Technical Consulting, Implementation Engineering, or similar Strong Python skills with ability to write production-quality code Experience working with APIs, integrations, workflows, and enterprise systems Experience delivering technical customer solutions ...