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    Senior Backend Engineer Python/Golang Microservices

    Thought Machine in Greater London is seeking a Back End Engineer to lead the development of their Vault product. The ideal candidate must have over 6 years of experience as a Software Engineer and proficiency in Python or Golang. The role involves designing scalable microservices, writing automated tests, and ma ...

    Data Protection Automation Engineer Python & Ansible

    Soda is looking for a Data Protection Automation Engineer to work in London, United Kingdom. The ideal candidate will have extensive experience in software development, specifically with Python and Bash, and must be well-versed in automation tools like Ansible. Responsibilities include defining automated testing ...

    Client‑Facing Cloud Engineer (Go/Python)

    Thought Machine is seeking a Forward Deployed Engineer to act as the primary technical interface with clients in the United Kingdom. This hands-on role involves embedding with client engineering teams, delivering implementations, and writing production-quality code primarily in Python or Go. The ideal candidate ...

    Lead Cloud Platform Engineer — Java & Python

    JPMorgan Chase & Co. is seeking a Lead Software Engineer for its Cloud Engineering Acceleration team in Greater London. This role involves designing platform services, maintaining production code, and fostering team culture. The ideal candidate should have proficiency in core programming languages, hands-on expe ...

    Senior Python Engineer in London Soda

    We're seeking an experienced Python Engineer Join a scaling FinTech company revolutionizing the way businesses access finance, supporting their future growth. As a key member of our team, you'll develop cutting‑edge technology that empowers businesses and contributes to your approach. Bonu ...

    Senior Software Engineer Python / hx Renew

    Who Are We? Taking care of our customers, our communities and each other. That’s the Travelers Promise. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 170 years. Join us to discover a culture that is rooted in ...

    Quant Dev Systematic Equities Trading (Python)

    Maven’s Systematic Equities team deploys research-driven strategies across global equity markets, powered by some of the most advanced technology available. Our approach to trading is scientific and process-driven, with a strong emphasis on a flexible research environment, providing us with efficient means ...

    Fixed Income Python Engineer | Quant Trading

    Paragon are working with a global quant hedge fund, who have enjoyed a long period of success, marking them as one of the world's leading trading firms. London expansion continues at an aggressive rate. Part of this build will be to hire an experienced Software Engineer to join a high-performing ri ...

    Senior Software Engineer (Python/Rust) London

    Validus is looking for a software engineer to join our back-end team. This team is responsible for designing, implementing and maintaining the systems and services powering the rapidly growing, award-winning technology offering at Validus. The back-end team is part of the broader technology team wor ...

    Python Data Engineer — Scalable Research Platforms

    Hunter Bond in Greater London is seeking an experienced Python Software Engineer for data and research platforms. This hybrid role focuses on building distributed systems and data tooling to enhance quantitative research efficiency. Candidates should possess a degree in Computer Science or a related field, and h ...

    Python Software Engineer Data & ML Ops

    Mitra Bio, a cutting-edge skincare company in the UK, is seeking a skilled software engineer to transform 'research-level' code into production-ready software. The ideal candidate will have over 5 years of experience, with expertise in Python and a strong understanding of AI models and data cloud infrastructure. ...

    Remote Python Engineer Quant Trading Fintech

    Hunter Bond is looking for an experienced Python Software Engineer to join their high-performance computing team in Greater London. You will be responsible for building automated software solutions that are integral to the trading business. The role demands solid Python expertise, an understanding of market conn ...

    Founding Backend Engineer | Python, LangGraph, AWS

    OB has partnered with an early-stage, venture-backed startup building AI agents for production data pipelines They are looking for a Founding Backend Engineer to own and build their core systems. The role combines backend systems, product engineering and agentic workflows Tech stack: Python ...

    IRRBB Quant Analyst — Behavioural Modelling & Python

    Starling Bank Limited is looking for an Analyst in the Quantitative Analytics team within Treasury. This role involves developing and maintaining behavioural models for the Bank, collaboration across Treasury areas, and leveraging deep financial and programming skills. Ideal candidates will possess a graduate-le ...

    Quantitative Analyst – Structured Finance (Python/Pandas)

    RCQ Associates - Financial Markets Specialists is expanding their team in London with a new role focused on structured finance execution and research. Candidates should possess a STEM PhD and strong Python experience, particularly with Pandas. The position involves assisting in structured finance deals, developi ...

    Python Quant Engineer: Systematic Equities Trading

    Maven Securities is hiring an experienced Python Engineer (Platform/ML) to join their mid-frequency equities desk in London. The role involves building and maintaining the trading platform, ensuring it is production-ready and addressing urgent needs. Essential skills include excellent Python experience, Linux fa ...

    Backend Engineer, Threat Intelligence (Python/Django)

    watchTowr is looking for an ambitious Engineer with strong Python experience to join their Backend Engineering squad. This role focuses on enhancing their threat intelligence capabilities by building systems that collect and analyze security data. The ideal candidate has 3-8 years of software engineering experie ...

    Senior Python (Django) Engineer (EU based)

    Digis is a European company of 200 employees. The company was founded 9 years ago and has managed to grow from a startup into a reliable partner for our clients. We took the best from the product and outsourcing company. You collaborate directly with the client’s team, make business trips… Digis is ...

    Senior Python Engineer, AI Platforms & Scale

    Lawhive is seeking a Senior Python Engineer to join their AI Engineering & Infrastructure team. In this role, you will develop production-ready APIs, improve application reliability, and scale AI systems for legal use cases. You should have strong experience in Python, familiarity with API design, and knowledge ...

    Senior Python Engineer Internal Tools & Observability

    A leading Fintech company in London seeks a Software Engineer to join their technology team. This role involves designing scalable Python-based tools and enhancing internal platforms that support high availability and reliability. Required skills include expertise in Python, Linux systems, and observability tool ...

    Python Lead Engineer – Global Commodities Platform

    A leading financial services company is seeking a Python Lead Software Engineer to join its Commodities Derisking Team. You will be responsible for developing next-generation applications for trading desks globally, leveraging your expertise in Python and experience with agile methodologies. Ideal candidates wil ...

    Software Engineer Python Cloud graduate level

    Canonical Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our custome ...

    Senior Lead Software Engineer Python / Java

    Job Description We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top‑night technology products. As a Senior P ...

    Senior Python Engineer Cloud API & Leadership

    A leading consulting firm is seeking a Senior Python Engineer based in Greater London to design and develop scalable software solutions. The role requires strong expertise in Python frameworks and cloud environments, especially AWS, Azure, or GCP. Responsibilities include mentoring staff and leading technical di ...

    Senior Python Architect Rates Risk & PnL

    A leading financial institution is looking for an experienced Senior Athena Python Rates Software Engineer. In this role, you will develop and integrate solutions for trading desks handling rates products, focusing on high-impact systems for risk management and P&L analysis. Your responsibilities include maintai ...

    Green Tech Python Fullstack Engineer (AWS)

    A leading energy-tech company in the Greater London area is seeking a Python Software Engineer to join their core product team. The ideal candidate will work in a hybrid environment, resolving critical engineering challenges in a fast-paced green tech setting. They will have ownership over design decisions, cont ...

    Backend Engineer, AI Platform (Python) Remote

    A cutting-edge AI technology company is looking for back-end engineers with expertise in Python to enhance their core platform. The role is flexible and supports remote work globally, while offering competitive salary and learning opportunities. Ideal candidates will have a strong background in backend developme ...

    Senior Python Microservices Engineer (GenAI & Agentic)

    A forward-thinking engineering consultancy is seeking a Senior Software Engineer specializing in Python to design and build scalable services and APIs for an automated code modernization platform. The role requires strong engineering skills, experience with microservices, and a genuine interest in GenAI. This po ...

    Python Software Engineer: Trading Systems Innovator

    A global proprietary trading firm in Greater London is seeking a Software Engineer proficient in Python. This role involves refining trading systems and collaborating with quants and traders on innovative applications. The ideal candidate will have a Bachelor's degree in Computer Science or a related field and a ...

    Senior AI Engineer (Python) – Hybrid, London

    A technology solutions provider is looking for an AI Engineer with robust Python expertise to help build intelligent, scalable AI solutions. The role requires developing, training, and deploying ML/DL models, and collaborating with diverse teams to ensure successful integration into applications. Candidates shou ...

    Senior Software Engineer Python / hx Renew

    Who Are We? Taking care of our customers, our communities and each other. That’s the Travelers Promise. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 170 years. Join us to discover a culture that is rooted in ...

    Python Backend Engineer – Cloud Integrations (Azure)

    A professional services firm based in London is seeking a Backend Developer to lead the integration of their finance system into a cloud-based platform. The ideal candidate will have strong skills in Azure Service Bus and Python development, as well as experience in building robust integrations. This contract ro ...

    Senior Software Engineer Python / hx Renew

    * Consult with users to determine hardware, software or system functional specifications, manage interaction between the systems and other technical support areas, and define technical requirements and coordinate team resources to solve problems.* Guide the team to tackle problems at differentiating levels of co ...

    Senior Software Engineer – Cloud Native Python

    A leading energy company is looking for a Senior Software Engineer to join their team in London. In this role, you will design and develop software solutions that support critical systems aimed at achieving Net Zero by 2050. This position requires strong technical leadership and collaboration with cross-function ...

    Senior Python Engineer & Platform Tech Lead

    A tech-driven financial services firm is looking for a Senior Engineer to lead the technical execution of projects. You will mentor junior developers and collaborate with teams in operations and finance to design innovative solutions. The ideal candidate has at least 8 years of experience in software development ...

    Python Engineer Fintech SaaS (Hybrid, London)

    A leading SaaS platform is seeking a passionate Python Engineer to join their dynamic team in London. The role involves designing and developing Python applications, collaborating with cross-functional teams, and contributing to the platform's architecture. Candidates should have strong Python skills and experie ...

    Senior Python Backend Architect Lead & Mentor

    An established technology firm is seeking a talented Senior Software Engineer in London. You will develop and maintain high-performance applications while mentoring junior engineers. The ideal candidate has 6–11 years of Python experience, is well-versed in Django or Flask, and has strong skills in building REST ...

    Senior Python Engineer: Backend Architect & Mentor

    A technology company in London is seeking a Senior Software Engineer to join its engineering team. The role requires deep expertise in Python, with responsibilities including designing scalable applications, leading software development projects, and mentoring junior engineers. The ideal candidate will have 6-11 ...

    Python Data Platform Engineer — Hybrid London

    A leading trading firm in London is looking for an experienced Python Software Engineer to join their team. This role focuses on designing and developing data and research platforms that support quantitative research. The candidate should possess strong Python skills, experience with distributed systems, and a d ...

    Python Software Engineer — Trading Platform & Tools

    A diversified trading firm in London seeks a Python Software Engineer to join a new team enhancing tools for Traders and Quantitative Researchers. You’ll manage technology needs for proprietary systems, accelerate workflows, and collaborate on innovative solutions in a high-impact role. Ideal candidates possess ...

    Senior AI Operations Engineer (Python/Golang)

    A leading media company is seeking a Senior Software Engineer in Greater London to design, build, and maintain complex systems for AI-assisted operations. The role requires proficiency in Golang and Python along with experience in AWS and automated testing frameworks. You will lead the strategic development of t ...

    Senior Platform Engineer Python & AI Tools

    As a Lead Software Engineer at JPMorgan Chase & Co. in the Athena Core DevTools team, you will play a pivotal role in designing and building tools to improve the daily work of thousands of engineers. Your responsibilities include developing developer-facing products such as IDE interfaces and test infrastruct ...

    Python Engineer – Quant Trading & Data Science

    Java Script Works is seeking a Python Engineer to join a globally recognized High-Frequency Trading firm. The ideal candidate will have strong Python skills and experience with modern data processing libraries. Web development skills, familiarity with Linux, and a 2:1 STEM degree are required. As part ...

    Python QA Engineer Test Automation Specialist

    Stars Arena is seeking an experienced QA Engineer to join their team in London. The ideal candidate should have a strong background in Python and test automation, ensuring the delivery of high-quality systems. This full-time position requires collaboration with development teams and a commitment to enhancing rel ...

    Software Engineer II Python & Systems Design

    Preferred Qualifications, Capabilities, and Skills Prior experience in Python is helpful but not required.Experience with Javascript/React helpful but not required. About Us J.P. Morgan is a global leader in financial services, providing strategic advice and delivering quality ...

    Backend Engineer (Python) in London LinuxRecruit

    Backend Engineer (Python) London, United Kingdom Posted 10 months ago Tech stack Python Backend Overview Be a part of the advancement of treatments by joining the backend engineering function. Utilize your knowledge of Python to enha ...

    Senior Quantitative Analyst Python Modeling & Risk

    LegalAndGeneral in Greater London is seeking a Senior Quantitative Analyst to join their Investments Quantitative team. In this role, you will develop and enhance financial models using Python, lead various projects, and support model governance. The ideal candidate has extensive programming experience in Python ...

    Python Engineer, Index Fixed Income, Associate

    **About this role** **Job Purpose/Background:** The Index Fixed Income (IFI) team has responsibility for managing Blackrock’s Index Fixed Income portfolios, including Exchange Traded Funds (ETFs), mutual funds, & segregated mandates. The IFI team liaises closely with many areas of Fixed Income ...

    Python Engineer in London Quant Capital

    Job Opportunity: Python Engineer Quant Capital is urgently looking for a Python Engineer to join our high-profile client, a globally recognized High-Frequency Trading firm. They highly value technology, particularly the open-source variety. Requirements: Python proficiency < ...

    Cloud Platform Engineer (Python) — AWS & Azure

    Clearwater Analytics in Greater London is seeking a Platform Engineer to build and enhance the Beacon Cloud platform for financial institutions. The role involves product development, cloud infrastructure management in a collaborative team environment. The ideal candidate should possess strong Python s ...

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      Python Developer Fastapi Sql Databricks Jobs in London Job Search Guide, Trends and Insights