Senior Python Software Engineer

Company IconCitadel Securities
Location IconLondon

Overview In this role, you will craft next-generation software solutions that support multiple business areas across the firm. You’ll collaborate with business leaders to align priorities and deliver tailored technology, tackle complex pr...Read More>>.

Posted: September 14th, 2026
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Python Software Engineer

Company IconCboe Exchange
Location IconLondon

Overview In this role you will help build and expand the data pipeline and event streaming capabilities for Cboe Europe’s trading platforms. You will work within a small, skilled team to deliver reliable Python systems that scale with the...Read More>>.

Posted: September 14th, 2026
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Python Software Engineer Cyber Security

Company IconClient Server
Location IconLondon

Overview In this Python-focused role, you will shape a new Greenfield product within a leading cybersecurity company that leverages AI to defend against evolving threats. You’ll integrate backend Python work with Rust and other modern tec...Read More>>.

Posted: September 14th, 2026
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Senior Python Software Engineer

Company IconWorldQuant
Location IconLondon

Overview In this role you will help build and scale WorldQuant’s quantitative research and portfolio platform. You will work on high-performance, distributed software that powers large-scale research operations and live trading workflows....Read More>>.

Posted: September 14th, 2026
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Python Engineer- London

Company IconQuant Capital
Location IconLondon

Overview In this role you will join a high-profile trading desk to build and support automated trading tools and data-driven workflows. You’ll work closely with traders to develop analytics, risk, and portfolio tools that power ETF pricin...Read More>>.

Posted: September 14th, 2026
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Principal Python Software Engineer

Company IconCboe Exchange
Location IconLondon

Overview In this role you will help build and extend data pipelines and event streaming for the largest equities exchange in Europe, plus trade reporting platforms. You’ll lead cross-system projects and mentor developers while maintaining...Read More>>.

Posted: September 14th, 2026
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Python Software Engineer III

Company IconJP Morgan Chase
Location IconGlasgow

Overview In this Software Engineer III role within Corporate Technology, you will be a senior contributor shaping trusted, market-leading tech products with a focus on security, stability, and scalability. You’ll work in an agile, diverse...Read More>>.

Posted: September 14th, 2026
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Python Software Engineer - Intraday Trading

Company IconMillennium Management
Location IconLondon

Overview In this role you will develop and optimize real-time analytics and market data solutions for Millennium’s intraday trading and portfolio management platforms. You’ll collaborate with R&D and front-office teams to deliver scalab...Read More>>.

Posted: September 14th, 2026
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Python Software Engineer

Company IconOctopus Legacy
Location Icon

Join to apply for the Python Software Engineer role at Octopus LegacyOctopus Legacy is the place to plan for death and find support after loss.Having been on our own startup journey, Octopus Group recently bought a s...Read More>>.

Posted: June 6th, 2026
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Hybrid London Python Software Engineer (Data Pipelines)

Company IconThe Emerald Group Ltd, Search and Selection
Location IconLondon

The Emerald Group Ltd, Search and Selection is seeking a mid-level Software Engineer for a hybrid role in London. You'll be developing a SaaS platform for non-life insurance business, primarily focusing on Python development. Responsibilities include...Read More>>.

Posted: June 6th, 2026
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Python Engineer (Hybrid in London)

Company IconSignify Technology
Location IconLondon

Job Summary My client is looking for a skilled and experienced Python Developer with a strong background in Django, SQL/PostgreSQL, and hands‑on experience in the FinTech industry. The ideal candidate will play a key role in developi...Read More>>.

Posted: June 6th, 2026
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Low-Latency Python Software Engineer – Hybrid London

Company Icondevelop
Location IconLondon

A high-growth startup in London is looking for a Software Engineer (Python) to join their engineering team. You'll work on a cutting-edge trading platform and tackle real-time data challenges that impact market performance from day one. The position...Read More>>.

Posted: June 6th, 2026
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Python Software Engineer

Company IconDurlston Partners
Location Icon

Direct message the job poster from Durlston Partners Hedge Fund, Trading & Tech Headhunter at Durlston Partners Python Software Engineer – High-Frequency Trading We're working with a high‑frequency trading (HFT) fir...Read More>>.

Posted: June 6th, 2026
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Python Software Engineer

Company IconCboe Global Markets
Location IconLondon

Job Description Building trusted markets – powered by our people. At Cboe Europe, we inspire our people to solve complex challenges together because what we do matters. We provide the financial infrastructure that powers the global e...Read More>>.

Posted: June 6th, 2026
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Python Software Engineer

Company IconFundment Limited
Location IconLondon

Fundment is a fast-growing wealth infrastructure company transforming the £3 trillion UK wealth management industry. Our modern investment platform is becoming the platform of choice for financial advisers and their clients. We’re building h...Read More>>.

Posted: July 27th, 2026
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Senior Backend Python Engineer - Hybrid (London)

Company IconRullion - Eon
Location IconLondon

Rullion - Eon is seeking Senior Backend Python Engineers for a six-month contract in the UK. The role is hybrid with one day per week in London and a full-time schedule of 37 hours weekly. You will design and implement backend services using Pytho...Read More>>.

Posted: September 6th, 2026
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Python Software Engineer

Company IconValidus Risk Management
Location IconLondon

We are looking for a Python Software Engineer to join our Client Success Team.The vision of the Client Success Team is to establish a proactive, client-aligned feedback loop that accelerates high-impact feature delivery for the Validus H...Read More>>.

Posted: September 6th, 2026
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Python Software Engineer - Glasgow

Company IconJP Morgan Chase
Location IconGlasgow

Salary: £62,000 - 102,000 per year Requirements: Proven experience in a software engineering role Hands-on practical experience in system design, application development, testing, and operational stability...Read More>>.

Posted: September 8th, 2026
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Python Software Engineer

Company IconEx-Mil Recruitment Ltd
Location IconLeicester

Salary: £50,000 - 55,000 per year Requirements: Strong commercial software engineering experience. Minimum 3 years of civilian/commercial experience as a Software Engineer. Python. Linux....Read More>>.

Posted: September 9th, 2026
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Python Software Engineer - Reporting Technology

Company IconSelby Jennings
Location IconLondon

You will design, build, and maintain complex technology solutions that underpin regulatory and compliance functions, helping to identify, manage, and mitigate risks within a dynamic and constantly evolving environment. The position offers signi...Read More>>.

Posted: September 13th, 2026
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Python Software Engineer

Company IconAbound
Location IconLondon

About AboundWe’re redefining consumer lending in the UK, and beyond. Using advanced AI and Open Banking data, we make fair, affordable personal finance available to more people. While traditional lenders rely almost entirely on credi...Read More>>.

Posted: September 14th, 2026
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Python Engineer, Client Integrations (Hybrid London)

Company IconStream
Location IconLondon

Stream is hiring an engineer to join the Global Client Integrations team in London. You will architect, implement, and test integrations with client payroll, HR and WFM systems, as part of a 300+ person team across Europe and the USA.The ro...Read More>>.

Posted: September 14th, 2026
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Senior SQL/Python Software Engineer

Company IconJPMorganChase
Location IconGlasgow

JPMorganChase in the United Kingdom is seeking a Software Engineer III within Corporate Technology to design and deliver trusted market-leading technology products in a secure, scalable way.You will contribute to architecture, data analysis...Read More>>.

Posted: September 14th, 2026
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Front Office Python Automation Engineer – London (On‑Site)

Company IconRJC Group
Location IconLondon

RJC Group is seeking a Python Engineer to join the Front Office Automation team in London. You will design and build scalable automation solutions and end-to-end workflows that streamline business processes, working directly with the business to i...Read More>>.

Posted: September 16th, 2026
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Senior Python Software Engineer – 3–6 Contract, London

Company IconAnemoimarine
Location IconLondon

Anemoi Marine Technologies is seeking a Senior Software Engineer (Python) to lead hands-on development of our early-stage scientific software for a defined contract period in London. You will work with engineers and analysts to translate methods i...Read More>>.

Posted: September 17th, 2026
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Python Software Engineer — AI Video Processing

Company IconEnterprise Recruitment Ltd
Location IconLondon

Enterprise Recruitment Ltd is seeking a Software Engineer for a pioneering deep tech company focused on media technology in West London. The role involves applying Python engineering to real-world AI video processing challenges and offers a salary...Read More>>.

Posted: September 17th, 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: September 18th, 2026
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Python Software Engineer - 12 Month FTC

Company IconMotorsport Network, LLC
Location IconWoking

As a Python Software Engineer, you'll help design, build and support the next generation of software products that underpin our engineering and manufacturing operations. Working as part of the Factory Flow team, you'll contribute to a ma...Read More>>.

Posted: September 18th, 2026
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Python Software Engineer - 12 Month FTC

Company IconArrow McLaren IndyCar
Location IconWoking

As a Python Software Engineer, you'll help design, build and support the next generation of software products that underpin our engineering and manufacturing operations. Working as part of the Factory Flow team, you'll contribute to a ma...Read More>>.

Posted: September 18th, 2026
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Python Software Engineer - 12 Month FTC

Company IconMcLaren Racing Ltd
Location IconWoking

At McLaren Racing, software plays a critical role in how we innovate, make decisions, and improve performance on and off the track. We're looking for experienced Python Software Engineers to join our Software & Data Science team on a fix...Read More>>.

Posted: September 19th, 2026
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Python Software Engineer - Factory Flow (Contract)

Company IconMcLaren Racing Ltd
Location IconWoking

McLaren Racing is seeking a Python Software Engineer to join the Software & Data Science team on a fixed-term contract and help deliver Factory Flow, a major technology and business transformation programme.You will design, build and suppor...Read More>>.

Posted: September 19th, 2026
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Security Python Engineer - Hybrid Backend (Cambridge/London)

Company IconSalt
Location IconCambridge

Salt is seeking a mid-level Python developer focused on security to join its R&D-driven team with hybrid work options in Cambridge and London. You will build production-ready Python services, collaborate with ML researchers and SREs, and contribut...Read More>>.

Posted: September 19th, 2026
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Python Software Engineer - 12 Month FTC

Company IconMcLaren Racing
Location IconWoking

At McLaren Racing, software plays a critical role in how we innovate, make decisions, and improve performance on and off the track. We're looking for experienced Python Software Engineers to join our Software & Data Science team on a fix...Read More>>.

Posted: September 20th, 2026
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AWS/Python Software Engineer

Company IconE.ON Next Energy Ltd
Location IconLondon

Senior to Staff Software Engineer We’re looking for an experienced Senior to Staff Software Engineer to join our Engineering team and help us build technology that’s changing the way people use and interact with energy. At E.ON Next, we’r...Read More>>.

Posted: September 20th, 2026
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Full-Stack Python/React Engineer — London, Onsite

Company IconStation
Location IconLondon

Station is expanding its London team and seeks a Full Stack Software Engineer to own end-to-end product delivery. Expect scalable Python backends (FastAPI/Flask), React or Vue.js frontends, and event-driven data pipelines.Role includes Dock...Read More>>.

Posted: September 21st, 2026
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Python Software Engineer

Company IconFundment
Location IconLondon

Fundment is a fast-growing wealth infrastructure company transforming the £3 trillion UK wealth management industry. Our modern investment platform is becoming the platform of choice for financial advisers and their clients. We’re building h...Read More>>.

Posted: September 21st, 2026
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Python Engineer | High-Impact Start-Up | London

Company IconOho Group
Location IconLondon

Python Engineer | High-Impact Start-Up | LondonBuild software that does something that actually matters. A fast-growing technology start-up is looking for a Python Engineer to join an exceptional technical team working on a product des...Read More>>.

Posted: September 21st, 2026
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Python Software Engineer - Hybrid (Bristol) on SaaS Platform

Company IconRedRock Resourcing
Location Icon

RedRock Resourcing is partnering with a rapidly expanding financial services software provider to hire a Python Software Engineer. You will join a collaborative engineering team working on a large, established SaaS platform while modernising and e...Read More>>.

Posted: September 21st, 2026
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Senior Backend Engineer - C#/Python - London

Company IconOliver Bernard
Location IconLondon

Senior Backend Engineer | AI x FinTech | London | £80k + Equity + Unlimited HolidayOliver Bernard have recently partnered with a fast-moving AI fintech start-up that’s building an AI-native product fr...Read More>>.

Posted: September 21st, 2026
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Python Software Engineer - 12 Month FTC

Company IconVan Amersfoort Racing
Location IconWoking

At McLaren Racing, software plays a critical role in how we innovate, make decisions, and improve performance on and off the track. We're looking for experienced Python Software Engineers to join our Software & Data Science team on a fix...Read More>>.

Posted: September 21st, 2026
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Senior Full-Stack Engineer — Go/Python + React (Hybrid London)

Company IconVolter
Location IconLondon

Volter, London-based, seeks a Senior Full-Stack Engineer for a 6-month contract. You’ll own end-to-end delivery across the stack, building customer interfaces and backend services, APIs and data-powered features.You’ll work with founder...Read More>>.

Posted: September 21st, 2026
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Senior AWS & Python Cloud Engineer (London)

Company IconE.ON Next
Location IconLondon

E.ON Next in London is looking for a Senior to Staff Software Engineer to join our Engineering team and help us build technology that changes how people use energy. You will design and evolve scalable full-stack applications with Python and AWS, t...Read More>>.

Posted: September 22nd, 2026
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Python Software Engineer: Shape McLaren's Factory Flow

Company IconVan Amersfoort Racing
Location IconWoking

McLaren Racing is seeking an experienced Python Software Engineer to join the Software & Data Science team on a fixed-term contract. You will design, build, and support next-generation software underpinning engineering, manufacturing, and race ope...Read More>>.

Posted: September 22nd, 2026
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AI Labs Software Engineer Python Developer Finance London

Company IconeFinancialCareers
Location IconLondon

AI Labs Software Engineer (Programmer Software Engineer Developer Python Amazon Web Services AWS Strands Agents AI LangChain LangGraph CrewAI Google AutoGen Pydantic AI Bedrock AgentCore ADK Azure GCP Cloud Asset Manager Buy Side Investment Man...Read More>>.

Posted: September 22nd, 2026
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