Senior C# Developer (Java/Python) – Finance Systems

Company IconSynechron
Location IconBelfast

A leading technology consulting firm is seeking a skilled C# Developer based in Belfast, Northern Ireland. This role requires over 10 years of experience in C# along with proficiency in Python or Java. The ideal candidate will have strong SQL skills...Read More>>.

Posted: June 6th, 2026
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Senior Backend Developer (Django/Python)

Company IconUpdraft
Location IconLondon

Updraft. Helping you make changes that pay off. Updraft is an award winning, FCA-authorised, high-growth fintech based in London. Our vision is to revolutionise the way people spend and think about money, by automating the day to day d...Read More>>.

Posted: June 6th, 2026
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C# Developer with (Python or Java)

Company IconSynechron
Location IconBelfast

We have an immediate opening for a C# Developer with experience in Python or Java, possessing over 10 years of experience at Synechron, based in Belfast, Northern Ireland. Job Role: C...Read More>>.

Posted: June 6th, 2026
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Lead Software Engineering - Python - Front Office Quant Developer

Company IconNext Frontier Capital
Location IconLondon

Lead Software Engineering - Python - Front Office Quant Developer LONDON, LONDON, United Kingdom Job Description Join us and make a real impact in a high-energy front office role where your ideas shape the future of tra...Read More>>.

Posted: June 6th, 2026
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Full Stack Developer (React/Python) - Up to £180k + Exceptional Bonus - Elite FinTech Firm - London

Company IconHunter Bond
Location IconLondon

Perks: Modern tech stack, flat team structure, collaborative culture, beautiful workspace We're working with a top-tier FinTech client who is looking for outstanding Full Stack Developers to join their high-performing team. You'...Read More>>.

Posted: June 6th, 2026
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C# Developer - BELFAST- (Java or Python)

Company IconSynechron
Location IconBelfast

Synechron is looking for an experienced C# Developer, with knowledge/understanding of .Net Framwork/Net Core to join our development team working for a leading global bank. We are specifically looking for hands-on experience with version contro...Read More>>.

Posted: June 6th, 2026
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Junior Quant Developer: Front Office Trading (Python)

Company IconHunter Bond
Location IconLondon

A leading FinTech firm in London is seeking a Junior Quantitative Developer/Researcher. This role offers a competitive salary up to £120k and a significant bonus. Ideal candidates will have strong Python skills and a background in Quant Development...Read More>>.

Posted: June 6th, 2026
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Distributed Compute Developer (Python) - London - Up to £225k + Benefits

Company IconHunter Bond
Location IconLondon

Salary: up to £225,000 P/A Location: London The role: We are looking for a Distributed Compute Engineer to help build the backbone of a next-generation compute platform designed to operate at extreme scale. In thi...Read More>>.

Posted: June 12th, 2026
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Full Stack Developer (Java / Python / Go)

Company IconDianaduggan
Location IconBelfast

Full Stack Developer (Java / Python / Go) Belfast Contract Our client is seeking a Full Stack Developer (Java / Python / Go) to join a leading global Tier 1 financial institution undergoing a major transfor...Read More>>.

Posted: June 21st, 2026
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Graduate / Junior Developer, Python, Linux, C#, Java – London

Company IconNoir
Location IconLondon

Graduate / Junior Developer, Python, Linux, C#, Java – London (Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer) Since 2006 our client’s revo...Read More>>.

Posted: July 6th, 2026
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Quantitative Developer & Researcher - Python for Markets

Company IconMillennium
Location IconLondon

Millennium is seeking a Python-focused quantitative analyst to join its Information Technology team in London. You will conduct margin analysis across fixed income and equities, develop and maintain production models, and collaborate with treasury...Read More>>.

Posted: August 4th, 2026
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Quantitative Developer (C++/Python) for Pricing & Risk

Company IconCitigroup Inc.
Location IconLondon

Citigroup Inc. in London is seeking a Quantitative Analyst to develop analytics libraries for pricing and risk management and to create advanced quantitative models for trading.The role emphasizes collaboration with Traders, Structurers, an...Read More>>.

Posted: August 8th, 2026
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Quantitative Developer – Multi-Asset Analytics (Python)

Company IconLegal & General
Location IconLondon

Legal & General is seeking a highly skilled Quantitative Developer to build Python-based services for multi-asset investments in London. You will design scalable analytics for portfolio construction, risk analysis and performance measurement, coll...Read More>>.

Posted: August 21st, 2026
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Low-Latency Trading Software Developer (C++/Python)

Company IconDRW
Location IconLondon

DRW in London is seeking a Software Developer to join a team of experienced technologists, quantitative researchers, and traders. You will contribute to the full tech stack, from hardware and software to grid computing, with immediate responsibili...Read More>>.

Posted: August 21st, 2026
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Senior Developer (G7) - Python & Django

Company IconSummer-Browning Associates Ltd
Location IconManchester

SBA are currently supporting our Central Government client who are seeking a Senior Developer (G7)| (Python & Django) on an initial 6 month contract.Location: London, Bristol OR Manchester (hybrid office attendance)You w...Read More>>.

Posted: August 29th, 2026
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Senior Developer (G7) - Python & Django

Company IconSummer-Browning Associates
Location IconLondon

SBA are currently supporting our Central Government client who are seeking a Senior Developer (G7)| (Python & Django) on an initial 6 month contract.Location: London, Bristol OR Manchester (hybrid office attendance)You will have:...Read More>>.

Posted: August 29th, 2026
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Lead Python DevTools Engineer: AI-Driven Developer Platform

Company IconJPMorgan Chase & Co.
Location IconScotland

JPMorgan Chase & Co. in the United Kingdom invites a Lead Software Engineer to join the Athena Core DevTools team.You will design and build systems that accelerate daily work for thousands of engineers, shaping the engineering experience fr...Read More>>.

Posted: August 29th, 2026
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Lead Software Engineering - Python - Front Office Quant Developer

Company IconJPMorgan Chase & Co.
Location IconLondon

Business Unit Commercial & Investment BankPosting Date 07/20/2026, 03:40 PMLocations 25 Bank Street, Canary Wharf, London, Greater London, E14 5JP, GBJob Schedule Full timeJob DescriptionJoi...Read More>>.

Posted: September 8th, 2026
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Senior Backend Developer (Django/Python)

Company Iconupdraft.com
Location IconLondon

Updraft. Helping you make changes that pay off.Updraft is an award winning, FCA-authorised, high-growth fintech based in London. Our vision is to revolutionise the way people spend and think about money, by automating the day to d...Read More>>.

Posted: September 9th, 2026
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Senior Python Quant Developer - London - Systematic Trading - Oxford Knight - UK-based Applicants Only

Company IconNaija UK Connect Limited
Location IconLondon

UK-based applicants — this role does not advertise visa sponsorship. Right-to-work in the UK is preferred. Foreigners may still enquire with the employer. This blog post highlights a Senior Python Quant Developer role with Oxford Knigh...Read More>>.

Posted: September 10th, 2026
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Quantitative Developer (Systematic Options/Python) – Tier 1 Hedge Fund – Excellent Compensation & Benefits

Company IconMondrian Alpha
Location IconLondon

Our client, a tech-first, rapidly expanding hedge fund based in London seek a python expert to join their systematic options as a Quant Developer and work along side one of the firms highest performing portfolio managers. As the principa...Read More>>.

Posted: September 13th, 2026
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Quantitative Developer — Trading Desk Infrastructure (Python)

Company IconMondrian Alpha
Location IconLondon

Mondrian Alpha in London seeks an experienced Quantitative Developer to sit on a desk with a Portfolio Manager, building and enhancing trading and research infrastructure to support the investment strategy. You will work closely with quantitative...Read More>>.

Posted: September 14th, 2026
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Software Developer - Java/Python - £60,000 + Comps - London

Company IconHunter Bond
Location IconLondon

On behalf of a well-established fintech organisation, we are supporting the search for a motivated entry-level Software Developer to join their front-office engineering team in London. This opportunity is ideal for a recent graduate or early-ca...Read More>>.

Posted: September 14th, 2026
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Software Development Lead (C++, C#, Python) - Hybrid

Company IconSYSTRA UK & Ireland
Location IconReading

SYSTRA UK & Ireland is seeking a Principal Consultant (Software Development) to design, build, and maintain high-performance software systems. You will work closely with the Technical Lead and cross-functional teams to deliver reliable features, c...Read More>>.

Posted: September 21st, 2026
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Hybrid Full-Stack Developer: Python/JS (London, 6mo)

Company IconIntec Select Ltd
Location IconLondon

Intec Select Ltd. is seeking a Full Stack Developer to join their London-based technology team on a hybrid, contract basis.The role focuses on building customer-facing and internal platforms with a Python backend and modern JavaScript front...Read More>>.

Posted: September 21st, 2026
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ML Infrastructure Developer (Python/Rust) - Up to £200k base + Bonus + Benefits - London

Company IconHunter Bond
Location IconLondon

Salary: up to £200,000 P/A + Bonus (DOE) Location: London The role: We are seeking an ML Infrastructure Engineer to join a fast-growing team focused on optimising the performance and scalability of machine learning syste...Read More>>.

Posted: September 22nd, 2026
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Senior Software Developer (C/Python)

Company IconEntrust
Location IconCambridge

Job title: Senior Software Developer (C/Python Systems)Location: Cambridge (Hybrid, 3 days onsite)Job type: Permanent, full-timeAbout the Position:You will join a team working on Linux system tools...Read More>>.

Posted: September 22nd, 2026
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Quant Strategy Developer - Python - Systematic Trading : £300k

Company IconHunter Bond
Location IconLondon

We’re working with a leading quantitative trading firm that is looking to add a Strategy-focused Software Engineer to one of its established intraday trading teams.This is a role for someone who enjoys sitting at the intersection of so...Read More>>.

Posted: September 22nd, 2026
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Data-Driven C# Developer | Python & API Integration

Company IconJefferies
Location IconLondon

Jefferies International's Middle Office Development team is seeking a C# Developer with strong data focus to join our team in London. The role involves building interfaces for data flows and supporting a new SaaS platform, with hands-on coding in...Read More>>.

Posted: September 24th, 2026
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Python Counterparty Credit Risk Senior Developer, Vice President

Company IconCitigroup Inc.
Location IconCity of Westminster

maintaining the Counterparty Credit Risk applications, leveraging in-house Python and C++ model libraries.Supporting and improving CI/CD (build, testing and release management) of the credit risk application.Contributing to the codebase to opti...Read More>>.

Posted: September 25th, 2026
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Web App Developer - React/Python, Azure Cloud, Hybrid

Company IconPurchaseyourfreedom
Location IconLondon

Talan UK is seeking a Web Application Developer to join a cross-functional team building modern Python-based web applications. You will work across Python services and React/Vite frontends, contributing to reliability, performance, and developer e...Read More>>.

Posted: September 26th, 2026
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Senior Software Developers/Engineers with Python, Terraform and Go

Company IconFree-Work
Location IconLondon

Senior Software Developers/Engineers with Python, Terraform and Go Our Client is looking to recruit brilliant Software Developers/Engineers with upwards of 7 to 10 years solid proven track record of developing complex applications with P...Read More>>.

Posted: September 26th, 2026
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Edge Platform Developer I (Go/Python) – Hybrid Bath

Company IconNCR Corporation
Location IconBath

NCR Voyix, Bath, UK, is seeking a Software Developer I to join the Engineering team in a hybrid role. You will contribute to edge CI tooling and collaborate with developers across the organisation to deliver robust, scalable software.Ideal...Read More>>.

Posted: September 26th, 2026
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London Onsite Full-Stack Developer — Python + React

Company IconDNS INFO LTD
Location IconLondon

DNS INFO LTD seeks an experienced Full Stack Developer with strong Python and React.js expertise to design, develop, and maintain scalable web applications. You will build microservices, REST APIs, and cloud-native frontend solutions in a collabor...Read More>>.

Posted: September 22nd, 2026
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Full-Stack Web Developer — Node, Python & React

Company IconCritical Playground LLC
Location IconLondon

Bureau for Visual Affairs in Borough, London, is seeking a Midweight Full-Stack Web Developer to join our team. You will work on a range of projects from content platforms to ecommerce, using Node.js and Python, with React and GraphQL, and you wil...Read More>>.

Posted: September 22nd, 2026
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Tech Lead: Software Development (C++, C#, Python) – Hybrid

Company IconSYSTRA UK & Ireland
Location IconAncoats

SYSTRA UK & Ireland in Manchester is seeking a Principal Consultant (Software Development) to design, build and maintain high‑performance software systems. You will work with a cross‑functional team to deliver Paramics Discovery using C++, C#,...Read More>>.

Posted: September 25th, 2026
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Senior Cloud Developer - AWS, Python/JS, SC Clearance

Company IconUBDS Group
Location IconLondon

UBDS Group is seeking an experienced Senior Developer to deliver secure, modern digital products for Government and Defence. You will design, build, test and deploy cloud-based applications in AWS, collaborating with Architects, Product, Design an...Read More>>.

Posted: September 25th, 2026
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Senior Quant Developer, Rates Analytics (Python/C++)

Company IconCiti
Location IconLondon

Citi's Markets Quantitative Analysis Rates team is seeking a Quant Developer to join a global financial institution in London. You will apply strong Python and C++ skills to develop analytics and support senior management with MI data, balancing s...Read More>>.

Posted: September 27th, 2026
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Lead Quant Developer: Rates Analytics (Python/C++)

Company IconCitigroup Inc.
Location IconLondon

Citi is seeking a Quant Developer for the Markets Quantitative Analysis Rates team in London. You will apply programming and quantitative skills to prepare information used by senior management to understand market reactions, delivering MI data un...Read More>>.

Posted: September 27th, 2026
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Senior Full-Stack Developer - Python/Django | Hybrid

Company IconErin Associates Ltd
Location Icon

Erin Associates Ltd in Teesside is seeking an experienced Senior Full Stack Developer to shape technical direction and build features across the Python/Django platform. The role involves collaborating with customers to translate requirements into...Read More>>.

Posted: September 27th, 2026
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