21 of 21 Python Engineer Jobs in Central 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 ...

Staff Product Engineer | London Hybrid/Remote | AI x FinTech | Python, AI Workflows, Distributed Systems | £120k-£200k + Equity A VC-backed AI company is rebuilding how accounting work gets done, using agentic workflows and AI automation to eliminate the high-volume operational work that has resisted meaningful … platforms like SAP, NetSuite and Workday to automate complex financial workflows at scale. They are looking for a Staff Product Engineer to own meaningful product surface area end-to-end across backend systems, AI workflows, infrastructure, and frontend applications where required. This is a highly product-focused engineering role ...

Senior Product Engineer (Python/React) - Tech for good Salary: Up to £85k Location: 1-2 days p/week in London (some flexibility) Senior Product Engineer (Python/React) - would you like the opportunity to work for a tech for good organisation operating … restoration space? They’re currently seeking a Senior Product Engineer where you be a key member of their growing software team. You’ll be hands-on, writing high-quality code and shaping their engineering practices. As a Senior Product Engineer, you will get a lot of responsibility ...

leading Financial Services organisation in the City of London is looking to hire a Python Engineer to join its Core Engineering function on a permanent basis. This is a hands-on engineering role focused on building and maintaining the Python frameworks, libraries and applications used across … work closely with Senior Engineers and Technology Leaders across Front, Middle and Back Office teams to deliver scalable, well-engineered solutions while promoting Python best practices across the organisation. The role offers a base salary of up to £85,000 plus bonus and benefits and requires three days ...

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 ...

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 ...

Lead Software Engineer/Developer London/WFH to £120k Are you a skilled a backend focused Python technologist with team leadership experience? You could be progressing your career at a well-funded and profitable FinTech start-up. As a Lead Software Engineer you'll head … Central London office with flexibility to work from home twice a week in a hybrid model. About you: You're an experienced Software Engineer with Python expertise and a strong knowledge of software engineering best practices and full SDLC experience You have team leadership experience, happy to mentor ...

Python Trading Support Engineer Location: London, UK (5 days onsite) Compensation: £250,000 - £400,000 Total Compensation + Significant Upside Potential Visa Sponsorship & Relocation Support Available We are partnering with a leading global hedge fund undergoing a major transformation of its Front Office trading technology platform across … will join a highly technical Front Office engineering team responsible for a sophisticated OTC trading platform supporting multiple asset classes globally. Responsibilities include: Building Python-based automation, tooling, and engineering solutions for Front Office trading platforms Improving platform reliability, monitoring, observability, and operational tooling Working directly with Traders ...

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 ...

assess over £200bn of non-life insurance business? This is a mid to senior level software engineering role focused heavily on production-grade Python development. This is not a web-facing CRUD or API-endpoint development role. The core focus of this position is building high-performance computational pipelines … . The role: Technical Challenge: Take ownership of performance bottlenecks involving 4GB+ datasets. Architectural Input: Taking new features from conception to deployment Production-Grade Python: Apply software engineering best practices including OOP, unit testing, and CI/CD. Mathematical/Financial Logic: Translating complex analytical, mathematical, or financial logic ...

optimise scalable data pipelines , supporting both batch and streaming workloads, using technologies such as Apache Spark . Work extensively with data technologies , leveraging Python and SQL to deliver high-quality analytical and data-driven solutions. Lead the design and delivery of data-centric applications , translating complex business and analytical … implementing microservices architectures , ideally within cloud environments . Strong background in data engineering , including building and maintaining large-scale data pipelines. Advanced proficiency in Python and SQL . Practical experience working with large language models , including model fine-tuning and API-based integrations (e.g. OpenAI). Experience in solution ...

long-term maintainability Provide clear updates to stakeholders, supporting informed decision-making Key Skills & Experience Strong background in software engineering, either as a Senior Engineer or Technical Lead Experience with JavaScript (Node.js/TypeScript) or Python-based environments Proven experience leading teams through end-to-end technical delivery ...

Lead Software Engineer/Developer London/WFH to £120k Are you a skilled a backend focused Python technologist with team leadership experience? You could be progressing your career at a well-funded and profitable FinTech start-up. As a Lead Software Engineer you'll head ...

Contract Senior Software Engineer (Java or Python) | Inside IR35 Contract length: 6 months (with potential to extend) Location: London Working Environment: On-site You will be joining a private equity firm as a senior software engineer, to work across the following responsibilities: Develop and support … into auditable, production-grade code Provide production support, working with Platform and SRE teams as needed Key Requirements: Technical: 8+ years commercial experience in Python or Java across the full development lifecycle 5+ years in financial services (buy-side strongly preferred) Solid relational database skills; MS SQL Server ...

Staff Product Engineer London Hybrid/Remote AI x FinTech Python, AI Workflows, Distributed Systems £120k-£200k + Equity A VC-backed AI company is rebuilding how accounting work gets done, using agentic workflows and AI automation to eliminate the high-volume operational work that has resisted meaningful ...

Full-Stack Engineer (Mid-Level) – £75k + Equity – London (Hybrid) A well-funded AI startup based in central London is growing its engineering team and hiring a mid-level full-stack engineer. The company is focused on helping businesses integrate AI into real, day-to-day workflows — not just … High-impact role in a small, collaborative team What you’ll be doing You’ll work across both backend and frontend systems, primarily using Python and either React or Vue. There’s flexibility to lean into your strengths, but you’ll have ownership across the stack. What they ...

Data Engineer Hadoop/Cloudera/PySpark/Python Location: Sheffield (Hybrid 3 days per week preferred) c.£600 per day Inside IR35 Initial 6-month contract with strong likelihood of extension We are supporting a major global banking organisation on the growth of its Data Technology function … looking for an experienced Data Engineer to join a large-scale data transformation programme. This is an excellent opportunity to work on enterprise-grade data platforms, building and enhancing data pipelines that support critical business and regulatory functions across a complex global environment. Please note this role is aligned ...

deploying a new unified Auditing application (FastAPI/Cloud Run), merging internal and external audits into a single cloud-native architecture. Replace manual Python Jupyter notebooks with fully automated, regulatory periodic reporting engines via Cloud Run and Workflows. Eliminate legacy database silos by migrating transactional and analytical data into … unified Cloud SQL and BigQuery schemas. Responsibilities Build & Evolve the Platform: Architect and build serverless Python (FastAPI) microservices on Google Cloud Run to replace legacy monoliths. Data Pipelines & ETL: Build and maintain robust ETL/ELT pipelines streaming data from Cloud SQL and external third-party APIs into BigQuery. ...

Principal Engineer (Data & Platforms) Location: London (Hybrid) Role Overview We are seeking a Principal Engineer to provide technical leadership across complex, large-scale data platforms and engineering teams. This role sits at the intersection of data engineering, architecture, and strategic technology leadership, driving the design and delivery … Extensive experience in cloud data engineering and large-scale distributed systems Strong expertise in SQL (advanced optimisation and performance tuning, ideally BigQuery) Proficiency in Python and/or Node.js within production environments Hands-on experience with CI/CD pipelines (e.g. Jenkins or similar tools) Deep knowledge of data ...

Data Engineer Hadoop/Cloudera/PySpark/Python Location: Sheffield (Hybrid 3 days per week preferred) c.£600 per day Inside IR35 Initial 6-month contract with strong likelihood of extension We are supporting a major global banking organisation on the growth of its Data Technology function … looking for an experienced Data Engineer to join a large-scale data transformation programme click apply for full job details ...

platform and make a real difference to our customers. What you’ll do Design, build, and ship reliable backend services and APIs in Python (Flask) that power core product functionality. Own features end-to-end: data modelling (Postgres), API design, testing, production rollout and ongoing improvements. Help uphold strong … shipping, and maintaining a high-quality codebase. What we’re looking for 5+ years experience building and operating production backend systems. Strong experience with Python, and hands-on use of Flask (or similar frameworks). Solid understanding of Postgres (schemas, migrations, query performance, transactions). Experience designing and maintaining ...