1 to 25 of 45 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 ...

Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights sourced … from direct connections to their clients systems. You will be joining a strong team of Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial toolsscalable, secure, and smart. If you're an experience Software Engineer whose passionate about Python, excited ...

Senior Software Engineer (AI Focus) - £80,000-£140,000 + Benefits + Shares + Bonus | London, Edinburgh, or Manchester | Hybrid (Up to 3 Days Onsite per Week, usually less) Join one of the UK's most exciting AI consultancies, an official OpenAI Global Partner founded by a leadership team … multimillion-pound tech business. They're expanding rapidly and looking for Senior AI/ML Software Engineers (Backend or Full Stack) with strong Python skills and a genuine passion for AI/ML, scalable systems, and modern cloud architecture. You don't need ...

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 ...

Staff Engineer (Python) – IC4 📍 Hybrid - London OR Manchester 💰 £90,000 - 110,000 We’re looking for a Staff Engineer (IC4) to help shape the technical direction of a fast-growing, product-led engineering organisation. This is a senior individual contributor role with platform-level impact . … work primarily in Python , contributing to the design and evolution of backend services and data-heavy systems, with some React exposure where needed to unblock teams and improve end-to-end delivery. What you’ll be doing Setting architectural direction across multiple services and teams Leading complex, cross-cutting ...

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 ...

Freelance/FTC Opportunity – Python Automation Engineer We are looking for a Python Automation Engineer to join our team onsite at client’s London office on a freelance or fixed-term contract basis . The ideal candidate will have strong experience in mobile device automation (Android … proactive, problem-solving mindset. 🔧 Responsibilities & Skills Required Mobile Automation: Proven experience working on Android and iOS device automation . Programming Expertise: Strong proficiency in Python and Java — must have . Frameworks: Hands-on experience with Python or Java-based frameworks such as PyNum, PyTest, PyUnit, Django, PyCharm , etc. ...

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 ...