1 to 25 of 64 Python Engineer Jobs in Central London

Founding Backend Engineer | Python, TypeScript, LLMs, RAG | Seed-Funded B2B SaaS | £100,000 - £160,000 + Early Stage Equity | London, Hybrid | Can Sponsor + Relocate The Company We’re supporting a well-funded Seed-stage B2B SaaS startup backed by top-tier European investors. They are automating … next phase is product expansion, deeper automation, and building intelligent systems that turn unstructured data into actionable insights at scale. About the Founding Backend Engineer | Python, TypeScript, LLMs, RAG | Seed-Funded B2B SaaS | £100,000 - £160,000 + Early Stage Equity | London, Hybrid | Can Sponsor + Relocate ...

Principal Software Engineer - Python - Fully Remote Experienced Python Engineer needed for an early-stage Start-Up that is already profitable and looking to expand the founding team. You will be looking to work for a Start-Up and be trusted to take responsibility on the development. … Looking for a world class Python Engineer , with experience with Typescript and ideally DevOps to play a crucial role. About you: 5+ years of professional Software Engineering Experience with proficiency in Python Professional experience with TypeScript Product focussed - worked closely with product during the development cycle, translating ...

Principal Software Engineer - Python - Fully Remote Experienced Python Engineer needed for an early-stage Start-Up that is already profitable and looking to expand the founding team. You will be looking to work for a Start-Up and be trusted to take responsibility on the development. … Looking for a world class Python Engineer , with experience with Typescript and ideally DevOps to play a crucial role. About you: 5+ years of professional Software Engineering Experience with proficiency in Python Professional experience with TypeScript Product focussed - worked closely with product during the development cycle, translating ...

Python Engineer This is an exciting opportunity within the growing domain of trading, working for one of the worlds most successful trading firms, As a Python Engineer you will be joining a company that encourages the development of your knowledge, skills and experience, which will allow … Hybrid role Central London based Permanent role 6 Figure Salary Package Responsibilities include : - Working closely with the data scientists and trading team - Building robust Python microservices - Understanding and delivering high quality solutions - Develop full stack applications with the use of python - Implementation of methods and pipelines of data ...

Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Python engineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised … Sunday Times Best Places to Work , that’s looking for a Senior Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global ...

Senior Engineer Location: Hybrid (London-based office – 2 days per week) Salary: Up to £80,000 + 10% bonus Overview We’re looking for a Senior Python Engineer to join a growing digital team working on exciting projects in the automotive industry. The company is part … improve the customer experience and help retailers deliver great service. What you’ll be doing Designing, developing and scaling backend systems built primarily in Python Leading technical decisions around architecture, tooling and best practices Mentoring engineers and contributing to raising engineering standards across the team Collaborating closely with Product ...

Principal Python Engineer London | Permanent | Hybrid Ncounter is supporting a global investment firm in hiring a Software Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering and distributed … opportunity to build scalable tools and frameworks used across the business. What youll do: Design, develop, and maintain performant, reliable frameworks and services in Python Build productivity tools and platforms that streamline workflows across investment and technology teams Contribute to code reviews and best practices, improving overall development quality ...

Backend Engineer - Python, Rust Paying £90k-£140K + Equity 5 days a week onsite in Central London Oliver Bernard have partnered with a stealth AI company, founded by world-class engineers with backgrounds from top-tier Silicon Valley firms, is looking to grow its core engineering team … tackling one of the biggest challenges in applied AI: bridging the gap between general models and real-world processes. We’re hiring a Backend Engineer with a strong backend foundation to join a highly technical, fast-moving team. The company is building complex systems that interact with ...

Senior Backend Software Engineer (Python) Web3 Hybrid (HQ: London) £90k - £150k Plexus has another great opportunity with a Senior Backend Engineer (Python) position. Youll play a pivotal role in designing and building robust, scalable backend systems that form the backbone of Web3-first products. Your work … products. Develop and maintain RESTful APIs using Python. Connect backend services with Web3 technologies, including blockchains, DAOs, and smart contracts. Requirements: Strong proficiency in Python and SQL. Hands-on experience with modern Python web frameworks (FastAPI, Flask, or Django). Solid understanding of cloud infrastructure and deployment environments. ...

Principal Software Engineer | Python | Commodities Trading | London Our client is a global investment manager with a strong footprint across major financial centres. They manage multi-asset, commodities, and derivatives strategies for institutional and wholesale clients worldwide. The environment combines the scale and stability of an established asset manager … data-driven technology Close collaboration between trading, quant research, risk and technology teams The firm is now looking for a strong, passionate and experienced Python Engineer to join the Front Office Technology team. They are re-architecting the stack to be cloud-native on AWS , with Python ...

Senior Backend Software Engineer (Python) Web3 Hybrid (HQ: London) £90k - £150k Plexus has another great opportunity with a Senior Backend Engineer (Python) position. Youll play a pivotal role in designing and building robust, scalable backend systems that form the backbone of Web3-first products click apply ...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust ...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust ...

Senior Python Software Engineer – Analytics & Optimisation • £75,000–£85,000 + bonus • UK or Netherlands | Hybrid (2 days office) Our client is a high-growth marketing technology company reshaping how global brands measure and optimise marketing performance. With a world-class team spanning the UK, Netherlands … tools. You’ll be joining at a pivotal moment, taking ownership of critical modules in a platform used by industry leaders worldwide. The Senior Python Software Engineer – Analytics & Optimisation will play a central role in the development of a high-performance analytics engine powering marketing decisions. This ...

Software Engineer | Python | RAG | Retrieval Augmented Generation | DAG | Dagster | London, UK The role We are hiring an agent-focused software engineer to build internal agentic frameworks for our discovery product. You will define and implement the operating system that allows scientists to run repeatable, agent … evaluation infrastructure so every agent run is reproducible and reviewable by scientists and customers. Core responsibilities Own the architecture and implementation of agentic workflows (Python-first), including state management, retries, branching logic, and human-in-the-loop checkpoints. Build and maintain a tooling interface layer that standardises how agents ...

Senior Python Engineer - Backend Salary: £65,000 – £80,000 + 10% bonus Hybrid: 2 days per week in the office (Holborn, London) We're looking for a Senior Python backend Engineer to help build highly scalable, reliable, and well-designed backend services that power exceptional digital … technical discussions. Identify opportunities to improve engineering workflow and Agile practices. Tech Stack You’ll work with a modern and flexible tech setup including: Python · FastAPI · AWS · OpenSearch · PostgreSQL · Django · GitHub · Kubernetes · Helm · Terraform What You’ll Need Strong experience building backend systems in Python (any framework). ...

Python Engineer Up to £475 Per day inside IR35 Long term contract Remote UK/EU We're looking for a BE Engineer to design and build high-quality backend systems and data pipelines that power the analytics platform. You'll collaborate with engineers and the Product … full software lifecycle, leading on scalable services that ingest, transform and deliver data to our frontend applications and customers. You'll bring strong Python skills, experience with microservices and data ingestion/ETL pipelines , and an eye for clean, maintainable code. Familiarity with AI-assisted dev tools (GitHub Copilot ...

Machine Learning Engineer | Python | Pytorch | Natural Language Processing | LLM | Large Language Models | Remote, Europe About Us We build AI assistants that make technical knowledge instantly accessible. As a research engineer, you will work on advancing our system’s ability to answer increasingly complex technical questions. Our technology … note that this position is fully remote in Europe but you MUST have the right to work in your country of residence. Machine Learning Engineer | Python | Pytorch | Natural Language Processing | LLM | Large Language Models | Remote, Europe ...

Machine Learning Engineer | Python | Pytorch | Natural Language Processing | LLM | Large Language Models | Remote, Europe About Us We build AI assistants that make technical knowledge instantly accessible. As a research engineer, you will work on advancing our system’s ability to answer increasingly complex technical questions. Our technology … note that this position is fully remote in Europe but you MUST have the right to work in your country of residence. Machine Learning Engineer | Python | Pytorch | Natural Language Processing | LLM | Large Language Models | Remote, Europe ...

Senior Software Engineer - Python & C++ We’re supporting a scaling tech-driven business at the intersection of finance and software. This is a pivotal role in a product-led team pushing performance boundaries with elegant code. You’ll be surrounded by sharp minds, real autonomy, and early influence … over architecture decisions. With live deployments already in the hands of major industry players, this isn’t theory - it’s execution. The Software Engineer (Python & C++) will take ownership of complex systems from design through deployment, translating innovation into live tools used by some of the world ...

Python Engineer Up to £475 Per day inside IR35 Long term contract Remote UK/EU We're looking for a BE Engineer to design and build high-quality backend systems and data pipelines that power the analytics platform. You'll collaborate with engineers and the Product ...

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where … global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly ...

SENIOR PYTHON ENGINEER LOCATION: London (Hybrid) SALARY: £100,000 + Equity Join a fast-growing innovator transforming property management through AI-driven solutions. Shape the future of automation and make a real impact in a high-growth environment. THE OPPORTUNITY This is a fast-growing innovator … professionals operate and succeed. ROLE AND RESPONSIBILITIES As part of the engineering team, you’ll design and build robust backend systems and APIs using Python and frameworks such as FastAPI, Flask, or Django. The role involves integrating AI models into production environments and optimizing data pipelines for efficiency ...

Founding Engineer | Early-Stage AI Start-Up | Python | 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 … central role in taking the product from early traction through to scale. About you: 5+ years of professional Software Development experience Expert in Python End-to-end ownership of features and systems, from design through to production Comfortable working across the stack, including frontend development with TypeScript and React ...

Principal Python Engineer London Permanent Hybrid Ncounter is supporting a global investment firm in hiring a Software Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering and distributed ...