1 to 25 of 48 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 ...

Python Engineer Contract | £400£458 per day (Inside IR35) Active SC Clearance is essential Remote We are seeking a highly capable Python-focused Data Engineer to join a delivery-driven team building and supporting complex data platforms in Azure. This role is heavily weighted towards Python software engineering rather than traditional ETL-only work. The successful candidate will be someone who writes clean, maintainable, and well-tested Python code, and is comfortable treating data pipelines as production-grade software. A significant portion of the work involves designing and maintaining complex, test-driven Python ...

Senior Backend Engineer | Python, FastAPI & Scaling | Security SaaS Salary: £75k - £85k plus bonus Location: Fully remote, (UK-based) Sponsorship is not available for this role Prism Digital have partnered with a super interesting and niche VC-backed client specialising in attack surface management and automated red teaming. Their … products. You will be in charge of building scalable backend services and awesome messaging queues. You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily. So the ideal candidate will come from a background of working with applications that ...

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 Engineer £500 - £600 per day 2 days onsite We're working with a global healthcare and AI research organisation that's pioneering the use of advanced Machine Learning to accelerate the discovery and delivery of life-changing treatments. Their vision is to enable faster, personalised therapies that … improve patient outcomes worldwide - and they're seeking a Backend Software Engineer to help bring that mission to life. The Role You'll be joining a multidisciplinary AI/ML team responsible for developing the infrastructure and software that powers cutting-edge research and intelligent applications. The role focuses ...

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 ...

Python Engineer Contract £400£458 per day (Inside IR35) Active SC Clearance is essential Remote We are seeking a highly capable Python-focused Data Engineer to join a delivery-driven team building and supporting complex data platforms in Azure. This role is heavily weighted towards Python ...

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 ...

leading IT Consultancy is seeking a Python AWS Backend Engineer Developer on a contract basis. You will be needed to work onsite in London 2 days a week. Please DO NOT apply unless you can commit to this. The Python AWS Backend Engineer must have strong … Python coding skills. What You'll Do: The Python AWS Backend Engineer will play a part in building great experiences for our customers, continuously improving the quality and value of our products Collaborate with cross-functional teams to design and implement innovative solutions Develop and maintain Back ...

leading IT Consultancy is seeking a Python AWS Backend Engineer Developer on a contract basis. You will be needed to work onsite in London 2 days a week. Please DO NOT apply unless you can commit to this. The Python AWS Backend Engineer must have strong … Python coding skills. What You'll Do: The Python AWS Backend Engineer will play a part in building great experiences for our customers, continuously improving the quality and value of our products Collaborate with cross-functional teams to design and implement innovative solutions Develop and maintain Back ...

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. ...

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 ...

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 ...

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 Software Engineer – Visual Quality/Media – London Hybrid – Outside IR35 A London-based technology company is seeking a capable Python Developer to support development and maintenance of an in-house quality test framework used to validate next-generation video codec technology. Initial 3-month contract. … Requirements (selective) Strong Python development skills (multithreaded, production code) Linux development experience Familiarity with REST/HTTP/JSON tooling and containers (e.g., Docker) Experience in test frameworks, automation, or media/codec workflows beneficial Contract Details Duration: 3 months (extensions possible) Location: London, 2+ days onsite per week ...

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 ...