Backend Developer (Python)

Company IconAdvanced Resource Managers (A.R.M.)
Location IconLondon

Overview In this role you will develop and modernise highly distributed Python backends for a tier 1 bank. You will work within a high-performing engineering team to deliver reliable, scalable systems that support critical production platfo...Read More>>.

Posted: October 1st, 2026
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Python C# Developer Quant Trading

Company IconQuant Capital
Location IconLondon

Overview In this role you will own the IT architecture and data platform for a global, multi-asset quantitative team at a high-profile hedge fund. You will shape the platform by integrating custom-built and third-party applications to meet...Read More>>.

Posted: October 1st, 2026
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Quant Developer (Python)

Company IconSQUAREPOINT CAPITAL
Location IconLondon

Overview In this role you work with quantitative researchers to design, implement, and deploy software that enables research and trading. You collaborate with technology peers to standardize and reuse components, taking ownership across the...Read More>>.

Posted: October 1st, 2026
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Python Risk Developer - Vice President

Company IconCitigroup
Location IconLondon

Overview In this role you will design and develop high-performance Python micro-services for Citi’s front-office commodities risk platform. You will work on a highly distributed system that processes large data volumes, using RabbitMQ for...Read More>>.

Posted: October 1st, 2026
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Senior Software Engineer - Build AI Tools (Python, GoLang)

Company IconCitigroup
Location IconBelfast

Overview In this role you will design and enhance a GenAI prompt security platform to safeguard AI/LLM-based applications, build automated security testing for diverse use cases, and own scalable security solutions. You will collaborate wit...Read More>>.

Posted: October 2nd, 2026
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Python Lead Software Engineer - Rates Live Risk & P&L

Company IconJPMorgan Chase & Co.
Location IconLondon

Description You will join a front-office engineering team that builds and operates core Rates trading tooling where correctness, resilience, and latency matter every day. The environment is fast-moving and highly collaborative, with stron...Read More>>.

Posted: October 21st, 2026
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Python Quant Developer — HFT Buildout

Company IconOxford Knight
Location IconLondon

Oxford Knight seeks a Python Quant Developer to join a small, highly technical team in London. You will build and evolve infrastructure across the full quantitative research and trading lifecycle, working directly with Portfolio Managers and Quant...Read More>>.

Posted: October 21st, 2026
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Senior Python Quant Developer – London

Company IconOxford Knight
Location IconLondon

This is an opportunity to join one of the world’s premier investment firms.The firm deploys systematic, computer-driven trading strategies across multiple liquid asset classes, including equities, futures and foreign exchange. You will be...Read More>>.

Posted: October 21st, 2026
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Software Engineering Internship (C++ or Python) – Summer 2027

Company IconWehrtyou
Location IconLondon

Hudson River Trading (HRT) is seeking highly motivated full-time students to join our Software Engineering Summer Internship Program. HRT brings together the sharpest minds across quantitative disciplines—math, computer science, physics, enginee...Read More>>.

Posted: October 21st, 2026
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Python Software Engineer – Equities Intraday Risk - VP – CIB

Company IconTesting Site - JPMC
Location IconLondon

We have an opportunity toimpactyour career and provide an adventure where you can push the limits ofwhat'spossible.As a Lead Software Engineer at JPMorgan Chase within theEquities LOB, youare an integral part of an agile team that works to...Read More>>.

Posted: October 21st, 2026
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Lead Python Software Engineer – Asset Management Data Platform

Company IconTesting Site - JPMC
Location IconLondon

Join us to shape the future of data and analytics at JPMorgan Chase. You’ll design and deliver technology solutions that directly impact our Asset & Wealth Management business. Collaborate with talented colleagues in an inclusive, agile environm...Read More>>.

Posted: October 21st, 2026
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Quantitative Developer - Python

Company IconQh4 Consulting
Location IconLondon

OverviewQuantitative Developer | Structured Finance | VP / Director Level — A fast-growing London-based investment firm at the cutting edge of fixed income and structured credit is looking for a quantitative developer to join a small...Read More>>.

Posted: October 21st, 2026
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Quantitative Developer - Python

Company IconAAA Global
Location Icon

Our client, a leading global hedge fund, is seeking a Quantitative Developer (Python) to join their Risk Technology team. This role offers the opportunity to work at the intersection of portfolio management, risk management, an...Read More>>.

Posted: October 21st, 2026
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Python Software Engineer - Hybrid working - Up to £250,000 Base (+ Bonus)

Company IconHunter Bond
Location IconLondon

Python Software Engineer – Data & Research PlatformsClient: Elite Proprietary Trading FirmCompensation: Up to £250,000 Base + BonusLocation: London (Hybrid...Read More>>.

Posted: October 21st, 2026
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Sr Lead Software Engineer - Data Engineering, Python/C++/KDB/AI

Company IconJPMorganChase
Location IconLondon

Join a dynamic, global analytics team within JPMorgan Chase's Commercial & Investment Bank, Electronic Trading Technology. As a Lead Software Engineer at JPMorgan Chase within Commercial & Investment Bank, Electronic Trading Technology, you wil...Read More>>.

Posted: October 21st, 2026
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python backend developer for a vehicle marketplace

Company IconNDA
Location IconLondon

ОписаниеA fast-growing digital team within a major automotive financial services group builds services for a vehicle marketplace and develops new digital products for the wider group.ЗадачиDesign and bui...Read More>>.

Posted: October 21st, 2026
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Lead Full Stack Python / Angular Developer - Startup (Remote)

Company IconRemotestar
Location IconCambourne

RemoteStar is looking to hire a Senior Python Developer on behalf of European clients with a fully remote work policy. About Client UK tech start-up focused on the development of AI LLM platforms for defense. Role Ov...Read More>>.

Posted: October 21st, 2026
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Senior Software Engineer - Build AI Tools (Python, GoLang)

Company IconCiti
Location IconNorthern Ireland

Paid Parental Leave Citi, the world leading global bank, has approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. Citi provides consumers, corporations, governments, a...Read More>>.

Posted: October 21st, 2026
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Lead Software Engineer - Applied AI/ML Python Engineer

Company IconTesting Site - JPMC
Location IconLondon

Join the Applied Artificial Intelligence and Machine Learning team as a Lead Software Engineer within Corporate and Investment Banking. You will play a pivotal role in transforming the operations of the world's largest bank. Y...Read More>>.

Posted: October 21st, 2026
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Sr Lead Software Engineer - Data Engineering, Python/C++/KDB/AI

Company IconAumni
Location IconLondon

Join a dynamic, global analytics team within JPMorgan Chase’s Commercial & Investment Bank, Electronic Trading Technology.As a Lead Software Engineer at JPMorgan Chase within Commercial & Investment Bank, Electronic Trading Technology,...Read More>>.

Posted: October 21st, 2026
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Python Software Engineer – Quantitative Hedge Fund : £120-180k

Company IconHunter Bond
Location IconLondon

Are you a world-class Python engineer ready to push your technical limits in one of the most intellectually rigorous environments in finance? Our client is a leading quantitative investment fund—combining deep research, cutting‑edg...Read More>>.

Posted: October 21st, 2026
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Sr Lead Software Engineer - Data Engineering, Python/C++/KDB/AI

Company IconJPMorgan Chase & Co.
Location IconLondon

Join adynamic, global analytics teamwithin JPMorgan Chase's Commercial & Investment Bank, Electronic Trading Technology.As a Lead Software Engineer at JPMorgan Chase within Commercial & Investment Bank, Electronic Trading Technology, you wi...Read More>>.

Posted: October 21st, 2026
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Python Software Engineer - Hybrid working - £70,000 - £225,000 Base (+ Bonus)

Company IconHunter Bond
Location IconLondon

OverviewSenior Quantitative Technology Consultant at Hunter BondJob Title: Python Software EngineerLocation: London / HybridSalary: £70,000 - £225,000 base (+ Bonus)ResponsibilitiesDesign, imple...Read More>>.

Posted: October 21st, 2026
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Senior Lead Software Engineer - Go / Kubernetes / Python - Public Cloud Engineering

Company IconJPMorganChase
Location IconLondon

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. We have an opportunity to impact your career and provide an adventure where you can push the...Read More>>.

Posted: October 21st, 2026
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Graduate Software Engineer, Trading Tech (C#/C++/Python)

Company IconAmsterdam Quant Society
Location IconLondon

Susquehanna is seeking a graduate software engineer in London to join our trading technology teams. You will work across C#, C++, and Python, contributing to high-performance systems and data-driven solutions while learning from senior technologis...Read More>>.

Posted: October 21st, 2026
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Backend Developer (Python)

Company IconBitWords Inc.
Location IconLondon

Build scalable backend services and APIs using Python, supporting millions of users across global markets.London / Remote 3+ years $90k - $140k Posted 1/7/2024Join our backend engineering team to build robust, scalable server-side ap...Read More>>.

Posted: October 21st, 2026
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Python Lead Software Engineer - Rates Live Risk & P&L

Company IconAumni
Location IconLondon

Description You will join a front-office engineering team that builds and operates core Rates trading tooling where correctness, resilience, and latency matter every day. The environment is fast-moving and highly collaborative, with st...Read More>>.

Posted: October 21st, 2026
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Software Engineer / AI Code Trainer (Python, Web, Full Stack)

Company IconFree resume
Location Icon

Software Engineer / AI Code Trainer (Python, Web, Full Stack) Job Description Who Should Apply We are looking for developers from all technical backgrounds and language specializations. If you write clean code and unders...Read More>>.

Posted: October 21st, 2026
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Java, Python Lead Software Engineering - Risk Data Platform & Strategy

Company IconJPMorgan Chase & Co.
Location IconLondon

Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, incl...Read More>>.

Posted: October 21st, 2026
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Senior Python Backend Software Developer

Company IconXelix
Location IconLondon

About usAt Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated...Read More>>.

Posted: October 21st, 2026
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Python Software Engineer, Factory Flow, Formula 1 Tech

Company IconMotorsport Network, LLC
Location IconWoking

McLaren Racing seeks experienced Python Software Engineers to join our Software & Data Science team on a fixed-term contract basis to deliver Factory Flow, a major technology transformation program. You will design, build and maintain Python servi...Read More>>.

Posted: October 21st, 2026
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Multiple Python Software Engineers Needed - SC/DV Clearance Needed

Company IconAreti Group | B Corp™
Location Icon

Multiple Python Software Engineers Needed - SC/DV Clearance Needed Areti Group has exclusively partnered with a rapidly growing startup seeking 8 Software Engineers to start ASAP. These roles are fully remote. This business has grown b...Read More>>.

Posted: October 21st, 2026
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Software Engineer III - Cloud/Java-Python/AI-ML

Company IconJPMorganChase
Location IconBournemouth

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.Job Description We have an opportunity to impact your career and provide an adventure where yo...Read More>>.

Posted: October 21st, 2026
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Remote Python Senior Developer – Trading & FIX

Company IconVersion 1 Solutions Limited
Location IconRoe Green

Version 1 Solutions Limited is seeking a skilled Python Developer with trading domain experience to join our dynamic team in the UK. You will develop, maintain, and enhance trading applications and FIX protocol solutions, collaborating with trader...Read More>>.

Posted: October 21st, 2026
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Software Engineer III - Cloud/Java-Python/AI-ML

Company IconJPMorgan Chase & Co.
Location IconBournemouth

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Software Engineer III at JPMorganChase within the Corporate Investment Bank Markets Technology team, youare an in...Read More>>.

Posted: October 21st, 2026
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Senior Software Engineer - Java/C#/C++/Python | Finance Tech

Company IconThomson Keene
Location IconNewcastle upon Tyne

Thomson Keene in Newcastle upon Tyne is seeking Engineers and Engineering Leaders with strong backgrounds in Java, C#, C++, or Python to join a rapidly growing consultancy. The roles are based in central Newcastle with five-day-a-week on-site work...Read More>>.

Posted: October 21st, 2026
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AI Software Developer (Python, JavaScript, ML)

Company IconSalt Digital Recruitment
Location IconLondon

AI Software Developer (Python, JavaScript, ML) - London/HybridDay rate: £500 - £800 (inside IR35)Duration: 6 - 12 monthsStart: ASAPHybrid: 3 days on site per weekAbout the RoleMy client is looking f...Read More>>.

Posted: October 21st, 2026
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Software Developer - Java / Python

Company IconHunter Bond
Location IconLondon

Role: Software Developer (Entry-Level)Where: London, United KingdomType: On-SiteThe roleOn behalf of a well-established fintech organisation, we are supporting the search for a motivated entry-...Read More>>.

Posted: October 21st, 2026
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Full-stack Python/Django Developer

Company IconRock Kitchen Harris
Location IconLeicester

We're looking for somebody friendly, quick witted and suitably experienced to join our small digital team in building secure, reliable content-managed websites and web applications for the likes of the NHS, Home Office, Taylor Wimpey, Hasbean/Ozon...Read More>>.

Posted: October 21st, 2026
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Principal Software Engineer - Full Stack Python/AWS - Executive Director

Company IconJPMorgan Chase
Location IconLondon

The Applied Innovation (of AI) Engineering team is an elite machine learning group strategically located within the Chief Data Analytics Office (CDAO) Technology group of JP Morgan Chase. AI Engineering tackle business critical priorities using...Read More>>.

Posted: October 21st, 2026
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Backend Developer (Python)

Company IconAdvanced Resource Managers Ltd
Location IconLondon

Backend Developer (Python)6 MonthsLondon (Hybrid)£550-650 per day (Inside IR35) ***Please note - The selected candidate MUST HAVE strong Banking Experience to be considered for this position*** My cli...Read More>>.

Posted: October 21st, 2026
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Aerospace RF Software Engineer (C/C++/C#/Python)

Company IconKeysight Technologies
Location IconPathhead

Keysight Technologies is seeking a motivated Software Engineer in Edinburgh to design and implement embedded and RF software for aerospace and defense projects. You will work with hardware, software, and test teams across sites, delivering robust,...Read More>>.

Posted: October 21st, 2026
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Senior Software Engineer - Real-Time Go/Python for Robotics

Company IconRecycleye
Location IconLondon

Recycleye is seeking a software engineer to join our small, focused team building the control software for our waste-separation systems. You’ll work across the stack—from low-latency Go services to Python data pipelines and web dashboards....Read More>>.

Posted: October 21st, 2026
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C / Python Software Engineer | High-Performance Systems | Permanent

Company IconSoCode Recruitment
Location IconCambridge

OverviewC / Python Software Engineer | High-Performance Systems | PermanentLocation: Cambridge (Hybrid) • Type: Full-time, Permanent • Salary: Competitive (dependent on experience)What you’ll be doingD...Read More>>.

Posted: October 21st, 2026
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Python Software Engineer II — AI-Driven, Secure & Scalable

Company IconJPMorgan Chase & Co.
Location IconBournemouth

JPMorgan Chase & Co. in Bournemouth is seeking a Software Engineer II to join Infrastructure Platforms. You will join an agile team delivering secure, scalable software components for the firm’s technology products.You will execute softwa...Read More>>.

Posted: October 21st, 2026
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Python Software Engineer II — AI Tools, Secure & Scalable

Company IconNext Frontier Capital
Location IconBournemouth

J.P. Morgan is seeking a Software Engineer II within Infrastructure Platforms to join an agile team delivering secure, scalable software components.You will design, develop, and troubleshoot code across the SDLC, using AI-assisted tools to...Read More>>.

Posted: October 21st, 2026
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Senior Software Engineer – Risk Services (Java / Python) - CRISIL

Company IconCRISIL
Location IconLondon

We are seeking a Senior Software Engineer to join the Risk Services team within Global Markets . This role focuses on designing and building scalable, distributed systems that support...Read More>>.

Posted: October 21st, 2026
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Senior Software Engineer - Build AI Tools (Python, GoLang) - Citi

Company IconCiti
Location IconBelfast

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career...Read More>>.

Posted: October 21st, 2026
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Python Trading Developer - Selby Jennings

Company IconSelby Jennings
Location IconLondon

Key Responsibilities Design, build and maintain business-critical trading infrastructure a...Read More>>.

Posted: October 21st, 2026
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Hybrid Software Test Automation Engineer (Python/C#, CI/CD)

Company IconAtlas Copco
Location IconEastbourne

Edwards Ltd. in Eastbourne, UK, is hiring a Software Test Automation Engineer for the R&D function in Vacuum Technique. The role is hybrid, blending remote work with the Eastbourne site.You will report to the Software Manager, Applications,...Read More>>.

Posted: October 12th, 2026
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