1 to 25 of 39 Python Engineer Jobs in London

SENIOR PYTHON ENGINEER LONDON £65,000 - £85,000 You’re a problem-solver who thrives on complex data challenges and wants to see your work make a measurable impact? Here’s your chance to join. Work with real-world ML datasets, cutting-edge data systems, and a platform … data and higher ROI. Your work will directly support their mission to make digital advertising more transparent and impactful. THE ROLE As a Senior Python Engineer , you’ll play a key role in building and improving the core platform that powers the AI-driven traffic protection and analytics ...

Principal Python Engineer London | Permanent | Hybrid Ncounter is supporting a global investment firm in hiring a Python 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 … build scalable tools and frameworks used across the business. What you’ll 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 Work ...

Senior Software Engineer, Python, Django, ReactJS, JavaScript, PHP, Mainly Remote, Central London Senior Software Engineer (Python, Django, ReactJS) required to work for a fast growing and exciting business based in Central London. However, this role is mainly remote. We need an experienced Python Developer … team members across multiple time zones, including offshore development teams Build relationships and foster team cohesion across geographical and cultural boundaries. Experience required: Expert Python/Django developer with full-stack capability (ReactJS, JavaScript, PHP) Skilled in CI/CD pipelines, automated testing, and deployment best practices Solid experience ...

Senior Software Engineer, Python, Django, ReactJS, JavaScript, PHP, Mainly Remote, Central London Senior Software Engineer (Python, Django, ReactJS) required to work for a fast growing and exciting business based in Central London. However, this role is mainly remote. We need an experienced Python Developer … team members across multiple time zones, including offshore development teams Build relationships and foster team cohesion across geographical and cultural boundaries. Experience required: Expert Python/Django developer with full-stack capability (ReactJS, JavaScript, PHP) Skilled in CI/CD pipelines, automated testing, and deployment best practices Solid experience ...

Senior Software Engineer, Python, Django, ReactJS, JavaScript, PHP, Mainly Remote, Central London Senior Software Engineer (Python, Django, ReactJS) required to work for a fast growing and exciting business based in Central London. However, this role is mainly remote. We need an experienced Python Developer ...

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 … leveraging AI-driven automation to streamline operations. As part of their engineering team, you'll design and build robust backend systems and APIs using Python and frameworks like FastAPI, Flask, or Django. The role involves integrating AI models into production environments and optimizing data pipelines for efficiency and scalability. ...

Data Software Engineer/Developer (Python Spark Azure) London/WFH to £100k Are you a data centric Software Engineer with strong Python coding skills? You could be progressing your career in a senior, hands-on Data Software Engineer role at a scaling, global technical … services company as they look to expand their product offerings with a new SaaS data analytics platform. As a Data Software Engineer you will join a small team focussed on a huge data platform that provides analytics on mortgage based securities in US markets and is set to revolutionise ...

Senior Python software engineer - with strong Maths background Are you a software engineer who thrives on building robust, scalable products with a strong foundation in mathematics and analytics? We’re specifically looking for an engineer—not a data scientist—to join ScanmarQED as a Senior Python Software Engineer and play a key role in developing the core technology behind our Pulse platform—a product used by leading companies worldwide to solve complex optimization and modeling challenges. You’ll collaborate with an international team, take ownership of product modules, and help drive innovation ...

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 ...

Title: QA Automation Engineer (Python/PyTest/Cosmos DB)-Banking Client Exp Required Location: London- 3Days/week Onsite Duration: 6months+ Contract Inside IR35 500GBP/Day Role Overview We are looking for a QA Automation Engineer to join a Pod-based delivery team working … handle large transaction volumes and business-critical data. The ideal candidate will be hands-on in manual and automated testing, with strong experience in Python, PyTest, and exposure to Cosmos DB. The role also requires close collaboration with developers, product owners, and data engineering teams in an Agile ...

Python Engineer Financial Services (Contract, Remote) A financial markets firm are looking for experienced Python developers to help contribute to foundational data and systems work as part of their future deployment of AI models within the firm.You will work across a portfolio of middle and back-office … systems projects, building enterprise-grade production systems and data pipelines, principally in Python. 5+ years of experience in commercial software engineering 3+ years in Python developing enterprise production-grade applications/systems Strong understanding of data structures and modern data architecture Basic understanding of financial products and trade flows ...

Data Engineer (Python) - Leading Asset Manager | London (Hybrid) Brand-new team. High autonomy. Big impact and high bonus! A top Asset Manager is building a new data function from scratch , and they need a sharp Data Engineer to help define and deliver their future data strategy. … London office, 2 days WFH (flexible when needed). The Role Build and optimise scalable data pipelines for a new Data Lake Work with Python, SQL, Spark, AWS, Docker, CI/CD Orchestrate workflows using Airflow, Prefect, or Dagster Support ETL, API integrations, and high-quality data validation Translate ...

Python Engineer Financial Services (Contract, Remote) A financial markets firm are looking for experienced Python developers to help contribute to foundational data and systems work as part of their future deployment of AI models within the firm.You will work across a portfolio of middle and back-office ...

Senior Software Engineer/Developer (Python AWS) London/WFH to £130k Are you a Python technologist with experience of Front Office trading environments? You could be progressing your career on the Asset Management side of a global Japanese bank as they expand this product offering within … UK. As a Senior Software Engineer you will take ownership of a Greenfield trading systems build, in an impactful role that will directly affect the PnL and success of the business. You'll design, build and maintain highly performant, robust, scalable trading systems including cloud infrastructure, collaborating with front ...

Founding Full Stack Engineer (Python/TypeScript) London - £180K plus equity Halian is currently working with a stealth-stage AI startup is hiring its first technical team member. If you want to build core AI systems from the ground up and move faster than a typical tech organisation … decisions Work across backend, frontend, data, and cloud systems Solve high-impact problems (including the ones we havent discovered yet) Tech youll work with Python + TypeScript/Node.js (in equal measure) API integrations, ETL, schema validation React/TypeScript, Supabase, AWS Data quality systems and pipeline tooling Whatever ...

Python Data Engineer - Multi-Strategy Hedge Fund Location: London | Hybrid: 2 days per week on-site | Type: Full-time About the Role A leading multi-strategy hedge fund is seeking a highly skilled Python Data Engineer to join its technology and data team. This … role focused on building and optimising data infrastructure that powers quantitative research, trading strategies, and risk management. Key Responsibilities Develop and maintain scalable Python-based ETL pipelines for ingesting and transforming market data from multiple sources. Design and manage cloud-based data lake solutions (AWS, Databricks) for large volumes ...

Full Stack Engineer/Developer (Python TypeScript) London/WFH to £120k Are you a technologist with start-up experience looking for your next opportunity? You could be progressing your career at a tech start-up that is producing an AI native data pipelining platform. As a Full … Stack Engineer within a small team, you will build and implement new features across the full tech stack, with a focus on backend Python and TypeScript and some React work on the front end. You'll take ownership and work across the full development lifecycle, collaborating with customers ...

Full Stack Engineer/Developer (Python TypeScript) London/WFH to £120k Are you a technologist with start-up experience looking for your next opportunity? You could be progressing your career at a tech start-up that is producing an AI native data pipelining platform. As a Full … Stack Engineer within a small team, you will build and implement new features across the full tech stack, with a focus on backend Python and TypeScript and some React work on the front end. You'll take ownership and work across the full development lifecycle, collaborating with customers ...

Lead Data Engineer (SQL Python Snowflake) London/WFH to £85k Are you a skilled data technologist with strong leadership and stakeholder management skills? You could be progressing your career in a senior, hands-on Data Engineer position at a global tech company that provide data centric … government organisations to enable them to discover and analyse data and customer feedback. What's in it for you: As a Lead Data Engineer you'll earn a competitive package: Salary to £85k Bonus Unlimited holiday allowance Flexible working (x1 day a week in London) Private medical insurance ...

Cleared Python Data Engineer Azure & PySpark Contract | £400£458 per day (Inside IR35) SC Clearance is essential We are looking for an experienced Data Engineer with strong Python skills to join a delivery-focused team working on complex data platforms in Azure. Although this … data engineering role, the lead engineer is specifically looking for someone who is highly competent in Python, as a significant part of the work involves developing and maintaining complex, test-driven data flows. You will be responsible for building scalable data pipelines using Python and PySpark, optimizing ...

Startup - Backend Python Engineer A pair of second time founders who have already built and exited successful ventures are assembling a new elite engineering team for their next AI startup! They have secured top tier backing (8 figures!), built early traction with thousands of users … backend systems that could redefine how people interact with AI every day! 💡 The Role Build core backend services, APIs and distributed systems in Python Design architecture, data flows and infrastructure foundations from day zero Work directly with the founders on product strategy and technical direction Move fast ...

have to be as strong on the AI side as the true AI Engineers, your key impact will come on the Python side. Over time, you'll pick up the expert level skills in AI and vice versa for the others. So, with that, it'll be no surprise … that you're going to need to be a great Python software developer. Additionally, strong experience working with data and building microservices will also be a huge plus. Some experience with LLMs/GenAI will be necessary but you don't need to be an expert. ...

Role: Staff Software Engineer Location: London – Hybrid (2-3 days per week) Compensation: Up to £180,000 + equity We’re working with a fast-growing technology company transforming a highly traditional global industry through advanced AI and computer vision. Their platform turns complex, real-world environments into rich … already live across multiple international markets and is backed by a strong group of institutional investors and industry leaders. The opportunity: Staff Software Engineer This is a rare opportunity to join a small, high-calibre engineering group as a founding member of a newly established London R&D team. ...

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 ...