Junior Java Developer –Python, Ruby, Fintech50

Company IconQuant Capital
Location IconLondon

Overview As a Junior Java Developer at Quant Capital, you join a fintech-focused tech team working with a high-profile client. You’ll contribute across the stack, emphasize core Java development, and support release management and infrast...Read More>>.

Posted: September 14th, 2026
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C++/Python Quantitative Developer - Cross Asset XVA and Capital Analytics (Vice President)

Company IconCitigroup
Location IconLondon

Overview In this role you will develop analytics libraries and quantitative models for Citi’s trading business, supporting pricing, risk management, and governance. You work closely with Traders, Structurers, and technology teams to deliv...Read More>>.

Posted: September 14th, 2026
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Senior Full Stack Developer (Python) - Networks, Vice President

Company IconState Street Bank
Location IconLondon

Overview In this role you will help deliver automated network and security solutions for a global network team, shaping the next generation of network automation. You’ll contribute to a full-stack development effort, aligning software wit...Read More>>.

Posted: September 14th, 2026
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Quantitative Developer, Python - Trading Teams EMEA

Company IconTower Research Capital
Location IconLondon

Overview In this role you will enhance the research framework by building Python tools, collaborating with on-site researchers, and improving the simulation/backtest infrastructure. You will monitor and support quantitative research jobs an...Read More>>.

Posted: September 14th, 2026
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Angular Developer with Python and AWS

Company IconLTM
Location IconLondon

Overview In this role you will design and develop scalable, secure web apps and cloud-native solutions using Angular, Python and AWS. You’ll work in a small, collaborative team to deliver clean code and integrate components across systems...Read More>>.

Posted: September 14th, 2026
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Design Developer ( Python / C# / JavaScript) Top Company

Company IconRobert Half
Location IconLondon

Overview In this role you will build tools that shape architecture and interior design, bridging software engineering and design. You’ll develop Rhino/Grasshopper plugins, Revit/Dynamo tools and web applications, while contributing to Aut...Read More>>.

Posted: September 17th, 2026
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Senior Full Stack Developer – Python & Cloud

Company IconIntellectual Capital Resources
Location IconCambridgeshire

Overview In this role you will help design and build a scalable cloud services platform for customers. You will work closely with a small, experienced team in a VC-backed startup environment, tackling end-to-end development from product inc...Read More>>.

Posted: September 22nd, 2026
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Lead Backend Developer Python Java AWS

Company IconClient Server
Location IconLondon

21 hours ago Be among the first 25 applicantsThis range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDirect message the jo...Read More>>.

Posted: June 6th, 2026
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Quantitative Developer (C#/Python)

Company IconQuanTech Partners
Location Icon

We are looking for a talented senior full stack developer with experience in building risk systems and databases. In this role, you will be responsible for the development, maintenance, and support of critical risk systems that calculate P&L, V...Read More>>.

Posted: June 6th, 2026
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Realtime Data & Trading Apps Developer (Python) – London

Company IconMustard Systems Ltd.
Location IconLondon

A leading technology firm in London is seeking a mid-senior level software developer with expertise in Python. You will design and build features, collaborate on code quality, and take ownership of production software. Ideal candidates have a degree...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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Backend Software Developer (Python) - London - £90,000 + Comps

Company IconHunter Bond
Location Icon

Backend Software Developer (Python) - London - £90,000 + Comps We’re looking for a Backend Developer who thrives in dynamic environments — someone who loves clean code, scalable architecture, and being part of a team that’s push...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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Backend Developer (python and GCP) - £525 inside IR35

Company IconExalto Consulting
Location Icon

OverviewBack-End developer (python and GCP) - £525 inside IR35ResponsibilitiesExperience with frontend technologies including ReactStrong experience deploying and managing applications on Google Cloud Pla...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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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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Graduate Developer: Python/Linux/C#/Java — Remote (UK)

Company IconNoir Consulting
Location IconLondon

A leading technology company is seeking a Graduate / Junior Developer to join their team in London, offering flexibility with remote work. Applicants should have a foundational knowledge of Python, Linux, C#, or Java, ideally from their degree or ind...Read More>>.

Posted: July 6th, 2026
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Full Stack Developer (Python and Java) - Consultancy

Company IconHamilton Barnes Associates Limited
Location IconLondon

Looking for a role with plenty of growth opportunities?Join one of the world's leading IT services, consulting, and business solutions organization. Backed by decades of experience, the company consistently ranks among the top global IT...Read More>>.

Posted: July 13th, 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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C++/Python Quantitative Developer - Cross Asset XVA and Capital Analytics (Vice President)

Company IconCitigroup Inc.
Location IconLondon

The Quantitative Analyst is a strategic professional who stays abreast of developments within own field and contributes to directional strategy by considering their application in own job and the business. Recognized technical authority for an...Read More>>.

Posted: August 8th, 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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Impactful DevOps Application Developer: Python & AWS

Company IconExperis
Location IconLondon

Experis is seeking an Application Developer (DevOps) in London with hybrid work options and UK-wide remote availability. The role focuses on environment management, development and testing of Java features, and continuous improvement of delivery p...Read More>>.

Posted: August 29th, 2026
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Senior Python Quant Developer, London - Oxford Knight - UK-Based Only

Company IconNaija UK Connect Limited
Location IconLondon

Senior Python Quant Developer, London - Oxford Knight - UK-Based Only Company Company Oxford Knight Location Location London, UK Type Type full_time Sponsorship Check with employer...Read More>>.

Posted: August 30th, 2026
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Python Core Developer - Middle Office in London - UK-Based Applicants Only

Company IconNaija UK Connect Limited
Location IconLondon

Python Core Developer - Middle Office in London - UK-Based Applicants OnlyCompanyCompany Oxford KnightLocationLocation London, UKTypeType full_timeSponsorshipSponsorship Check with emplo...Read More>>.

Posted: August 31st, 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 - No Visa Sponsorship Advertised

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 Senior Python Quant Developer role with Oxford Knight in London offer...Read More>>.

Posted: September 9th, 2026
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Senior Python Quant Developer, London – Systematic Trading: 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.Oxford Knight is seeking a Senior Python Quant Developer in London for a ful...Read More>>.

Posted: September 16th, 2026
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Python Data Product Developer (Streamlit & SQL)

Company IconSAGA PLC
Location IconCity of Westminster

Saga PLC in London requires a Python Developer (Data Products) to turn data into intuitive, scalable applications. You will build self-service data products using Python, Streamlit and SQL, collaborating with stakeholders across the business to de...Read More>>.

Posted: September 21st, 2026
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Data Visualization Developer — Python, Dash & React

Company IconManchester Digital
Location IconManchester

MHCLG is seeking a proficient Front End Software Developer to join our data team. You will build scalable dashboards with Python Plotly Dash and React, collaborating with analysts to deliver accessible data tools for housing and local government p...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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Hybrid London Automation Developer - Python & Ansible

Company IconTatton Recruitment
Location IconLondon

Certain Advantage is seeking an Automation Developer in London to design, build and maintain automation ecosystems across connectivity and infrastructure services. The role is a hybrid position with onsite requirements three days per week, initial...Read More>>.

Posted: September 21st, 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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Design Technology Developer | Python / C# / JavaScript | TOP COMANY!

Company IconRobert Half
Location IconLondon

Design Technology Developer | Python / C# / JavaScript | Central LondonIf you’re a developer who wants technical challenge, creativity and the chance to build something genuinely innovative, th...Read More>>.

Posted: September 19th, 2026
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Senior Python Quant Developer - Cross-Asset XVA & Capital Analytics

Company IconGrid Dynamics
Location IconLondon

Grid Dynamics is seeking an experienced C++/Python Quantitative Developer to join a high-impact analytics team focused on Cross Asset XVA and Capital Analytics. You will develop libraries for pricing and risk, and work with Traders, Structurers, a...Read More>>.

Posted: September 14th, 2026
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Quant Developer - Python Tools for Research & Backtests

Company IconTower Research Capital
Location IconLondon

A leading quantitative trading firm in Greater London is seeking a Quant Developer to join its EMEA Development team. This role involves developing tools for quantitative trading strategies, enhancing the simulation framework, and providing support f...Read More>>.

Posted: June 26th, 2026
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SC-Cleared Python/Flask Developer — 6-Month Portsmouth Contract

Company IconHarvey Nash Group
Location IconWoodhouse

Harvey Nash Group is seeking a Python/Flask Developer for a 6-month contract based in Portsmouth, with an onsite commitment of 1 day per month. The role requires active SC clearance and will operate Inside IR35.You will develop Python/Flask...Read More>>.

Posted: September 21st, 2026
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Senior Software Developer (C/Python)

Company IconEntrust
Location IconFen Ditton

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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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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Tech Lead Developer - Python, AWS & Terraform

Company IconNetcompany
Location IconLondon

Netcompany seeks a Technical Lead to drive technical direction across multiple services, balancing hands-on coding with architecture leadership. You will influence design, coding standards and quality assurance while working across diverse tech st...Read More>>.

Posted: September 22nd, 2026
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Senior Quant Developer: Python, Systematic Trading

Company IconiSAM
Location IconLondon

iSAM is seeking an experienced quant developer to join our London team. This role spans data, strategy development and production monitoring, ensuring the system is stable, scalable and robust from inception to production.You will work clos...Read More>>.

Posted: September 23rd, 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: September 23rd, 2026
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