Principal Data Scientist - AI in London - Opus 2

Company IconJava Script Works
Location IconLondon

Principal Data Scientist – AI London, United Kingdom Posted 11 months ago Tech Stack TypeScript Java Artificial Intelligence Python Requirements Pro...Read More>>.

Posted: June 6th, 2026
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Lead Integration Architect - Real-Time Banking, API-First

Company IconFalcon Smart IT Limited
Location IconLondon

Falcon Smart IT Limited is seeking an experienced Integration Architect to join their team in London on a FTC basis for 1 year. The role requires deep integration expertise and a cloud-native mindset, focusing on real-time Ledger, Payments, and FX...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer – AI & Prompt Engineering - £100k - Python/ TypeScript

Company IconLa Fosse
Location Icon

This range is provided by La Fosse. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from La Fosse Head of Practice - So...Read More>>.

Posted: June 6th, 2026
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Strategic API & Integration Architect (Contract)

Company IconGreat British Energy Group
Location IconLondon

Great British Energy Group is seeking an Integration Architect for a 5-month contract, working in a hybrid model across London, Lytham, Durham, or Glasgow. The role is integral to a Core Banking Transformation programme, emphasizing API strategy a...Read More>>.

Posted: June 6th, 2026
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VP of Engineering: Cloud, AI & Microservices Leader

Company IconESR Healthcare
Location IconLondon

A leading tech consultancy in London is seeking a VP of Engineering to lead engineering teams and manage client relationships. The ideal candidate will have over 15 years of experience, including 5 years in a senior role. Responsibilities include pro...Read More>>.

Posted: June 6th, 2026
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Python Counterparty Credit Risk Senior Developer, Vice President

Company IconCiti
Location IconLondon

The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations firm‑wide....Read More>>.

Posted: June 6th, 2026
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Senior Python Risk Developer, VP — Counterparty Credit (Hybrid)

Company IconCitibank (Switzerland) AG
Location IconLondon

Citibank (Switzerland) AG is looking for a Python Counterparty Credit Risk Senior Developer in London. This role focuses on the development and maintenance of applications for derivatives credit risk and exposure calculations.The successful...Read More>>.

Posted: June 6th, 2026
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Hybrid Quantitative Equity Researcher (Python & Signals)

Company Icon115 SEI Investments (Europe) Ltd.
Location IconLondon

115 SEI Investments (Europe) Ltd. is seeking a Quantitative Equity Researcher based in London to develop stock selection signals and enhance proprietary models. This role involves maintaining assigned portfolios and contributing to research and pr...Read More>>.

Posted: June 6th, 2026
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Senior Python Developer - Counterparty Credit Risk & Derivatives

Company IconJobs via eFinancialCareers
Location IconLondon

Jobs via eFinancialCareers is looking for a Counterparty Credit Risk Senior Application Developer to enhance regulatory applications at Citi. This role involves extensive development work in Python and C++, focusing on derivatives risk management....Read More>>.

Posted: June 6th, 2026
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Data Scientist (Python & SQL) - Freelance AI Trainer

Company IconMindrift
Location IconLondon

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What This Opportuni...Read More>>.

Posted: June 6th, 2026
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Senior C# Backend Architect — Greenfield Payments Platform (London, 3 days in-office)

Company IconVirtueTech Recruitment Group
Location IconLondon

A global financial technology firm is seeking a Senior C# Software Engineer to architect a greenfield payments platform in Central London. This role requires expertise in C#, .Net Core, and SQL, focusing on creating robust and high-performance backen...Read More>>.

Posted: June 6th, 2026
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Hybrid QA Test Engineer – Web, API & Automation

Company IconPharmacy2U | Certified B Corp
Location IconLeeds

A leading online pharmacy in Leeds is seeking a QA Test Engineer to design and execute tests across web and mobile platforms. This role involves manual and exploratory testing, collaborating with Agile teams, and maintaining test documentation. The p...Read More>>.

Posted: June 6th, 2026
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Field-Based Business Development Manager — Flexible Hours & Unlimited Commissions

Company IconDojo
Location Icon

A leading payments provider in the UK is seeking a self-driven Talent Acquisition Specialist to build relationships with clients and offer tailored solutions. This is a self-employed role with unlimited earning potential through commissions and flexi...Read More>>.

Posted: June 6th, 2026
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AI-Driven Backend Engineer for Financial Analytics

Company IconClearwater Analytics, Ltd.
Location Icon

Clearwater Analytics, Ltd. in the United Kingdom is seeking a Software Engineer to join their Alternative Assets Engineering team. This role focuses on developing innovative solutions for fund analytics and collaborating with investment profession...Read More>>.

Posted: June 6th, 2026
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Frontend React DeveloperAbout the Role: in London - S&P Global

Company IconJava Script Works
Location IconLondon

Frontend React Developer Location: London, United Kingdom Posted about 1 year ago About the Role We are seeking an experienced and passionate Senior Frontend React UI Developer to build out our front-end w...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - AI Platform & Scalable Systems

Company IconGradient Labs Limited
Location IconLondon

A leading AI technology firm in Greater London is seeking a Backend Engineer to own and architect systems essential for AI agents. In this role, you will design resilient infrastructure ensuring reliability and rapid iteration. Candidates must have e...Read More>>.

Posted: June 6th, 2026
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Senior .NET Backend Engineer for AI-Driven Cloud Apps

Company IconCreateFuture
Location IconCity of Edinburgh

CreateFuture is seeking a talented backend developer to join their team in Edinburgh. The role involves developing backend services and APIs while ensuring code quality and maintainability. Strong knowledge in C# .NET is essential, along with expe...Read More>>.

Posted: June 6th, 2026
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Senior Ruby on Rails Backend Engineer

Company IconStory Terrace Inc.
Location IconLondon

A fast-growing tech company in Greater London is seeking a Senior Backend Engineer to lead the development of scalable backend features. You will collaborate closely with cross-functional teams and contribute to the technical direction of projects. T...Read More>>.

Posted: June 6th, 2026
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Strategic API Security Architect | Cloud & Zero Trust

Company IconeTeam
Location IconKnutsford

A leading tech firm is seeking an API Security Architect to define and oversee the implementation of enterprise-grade API security architecture. Key responsibilities include designing secure APIs, defining security standards, and leading architectura...Read More>>.

Posted: June 6th, 2026
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SDET Engineer - Automation, API & Security Testing

Company IconScrumconnect Consulting
Location IconSwansea

Scrumconnect Consulting is hiring a Software Development Engineer in Test (SDET) to join their team in Swansea. The role involves designing and maintaining automated test frameworks, ensuring quality in high-volume digital services.Ideal ca...Read More>>.

Posted: June 6th, 2026
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Lead Python Engineer – AI & Data

Company IconRAW Search
Location IconLondon

We’re working with a leading consulting firm on a long‑term engagement with a major financial services client. They are looking for a Lead Python Engineer to set the engineering bar across several Python services while remaining highly hand...Read More>>.

Posted: June 6th, 2026
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Senior Frontend Engineer, Payments API & Security (Equity)

Company IconJack and Jill AI
Location IconLondon

A fintech startup seeks a Senior Frontend Engineer to build secure payments infrastructure. You will design robust developer-facing APIs and work across backend services and frontend solutions. Ideal candidates have 3-10+ years in software engineerin...Read More>>.

Posted: June 6th, 2026
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Python Developer – FinTech SaaS Analytics (Hybrid)

Company IconSpencer Scott - Technology Recruitment
Location Icon

A well-known FinTech Software Company is seeking a Mid-Level Python Developer to design, build, and optimise analytics and data workflows on a greenfield SaaS platform. Collaborating with actuaries and data scientists, you'll enhance Python-based fea...Read More>>.

Posted: June 6th, 2026
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Remote Full-Stack Engineer — AI-Driven Python & React

Company IconVersion 1
Location IconCity of Edinburgh

A leading technology company in Scotland is looking for a Software Developer to work in a collaborative Agile Scrum team. This role focuses on developing scalable web applications using Python and React while integrating AI capabilities for client pr...Read More>>.

Posted: June 6th, 2026
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Python Software Engineer – AI Security Platform (Hybrid London)

Company Iconjobs.frontdoordefense.com - Jobboard
Location IconLondon

Darktrace is seeking a Specialist Software Engineer in London to lead the prototyping and development of AI security features. This hybrid position allows for work from home while requiring at least two days in the London office. Responsibilities inc...Read More>>.

Posted: June 6th, 2026
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API Security Architect – Product & Cloud

Company IconPontoon Solutions
Location IconLondon

Pontoon Solutions is seeking a Security Architect (API / Product Security) to enhance the Security Architecture team. This hybrid role requires a solid background in security, strong communication skills, and the ability to guide engineering teams...Read More>>.

Posted: June 6th, 2026
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Forward-Deployed Python AI Engineer (Customer-Facing, Hybrid)

Company IconThe Developer Link
Location Icon

A legal AI software company is seeking a Senior Python Software Engineer to work closely with enterprise customers on bespoke solutions. This role requires experience in AI/ML workflows and a customer-facing background. The ideal candidate will balan...Read More>>.

Posted: June 6th, 2026
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Remote C# Backend Dev (Azure, SQL, APIs)

Company IconTieTalent
Location Icon

A leading tech startup in the UK seeks a remote C# SQL Back End Developer. The ideal candidate will have strong skills in .NET and SQL Server, and be ready to tackle various development challenges. Responsibilities include building and maintaining ba...Read More>>.

Posted: June 6th, 2026
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Full-Stack Developer (React + Python/ AI-enabled Focus)

Company IconClearRoute
Location IconLondon

Role This full-stack developer role requires someone with with a strong front-end focus, responsible for building the Data Portal interface and integrating it with backend services and AI capabilities. The role requires expertise in mo...Read More>>.

Posted: June 6th, 2026
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Remote Senior PHP Developer – Symfony & REST API Expert

Company IconPropeller
Location IconLondon

A digital agency in London seeks a Senior Developer to create PHP-based projects for exciting brands. Responsibilities include managing development processes, collaborating with team members, and communicating technical concepts to clients. Candidate...Read More>>.

Posted: June 6th, 2026
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Lead Backend Developer — Remote, High-Impact Public Platform

Company IconGreat British Energy Group
Location IconLondon

The Electoral Commission is seeking a Lead Developer for a pivotal role in delivering high-impact digital public services. This position involves end-to-end ownership of a significant platform, transitioning a voter information service in-house an...Read More>>.

Posted: June 6th, 2026
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QA Automation Engineer – UI/API for GovUK Services

Company IconScrumconnect Limited
Location IconLondon

London, United Kingdom | Posted on 15/05/2026 Scrumconnect Consulting is a people‑first digital consultancy delivering impactful solutions across both the public and private sectors. We specialise in building high‑performing, diverse...Read More>>.

Posted: June 6th, 2026
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Senior Python Developer — Front Office Risk Tech (LLM/RAG)

Company IconCiti
Location IconBelfast

Citi is looking for an experienced Applications Development Senior Programmer Analyst in Belfast. This role requires participation in developing and implementing application systems in collaboration with the Technology team.As part of the W...Read More>>.

Posted: June 6th, 2026
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Buy-Side Trading Systems Developer (Python/.NET/Angular + Databricks)

Company IconNextWave Consulting Ltd
Location IconLondon

# Buy-Side Trading Systems Developer (Python/.NET/Angular + Databricks)LondonWork Type:Fixed Term ContractApply Now**Buy-Side Trading Systems Developer (Python/.NET/Angular + Databricks)**NextWave Consulting is hiring a software developer to support...Read More>>.

Posted: June 6th, 2026
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Senior Python Developer - Trading & Risk Platforms

Company IconAd Astra Consultants
Location IconLondon

Ad Astra Consultants is seeking a skilled Python Developer with 6–10 years of experience to work on trading and risk management systems in investment banking. The position involves developing backend applications and data processing logic that s...Read More>>.

Posted: June 6th, 2026
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Django Developer – Investment Management (London)

Company IconStars Arena
Location IconLondon

Stars Arena is looking for a Django Developer to join their Investment Management team in London. This full-time position offers compensation of up to £90K. Candidates must have a 2:1 degree in Computer Science, Maths, Physics, or Chemistry from a R...Read More>>.

Posted: June 6th, 2026
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Hybrid QA Automation Engineer in Newcastle — C# & API Testing

Company IconRonald James Ltd.
Location IconNewcastle upon Tyne

Ronald James Ltd. is seeking an Automation QA Engineer to enhance the quality and reliability of their platform. This hybrid role requires 2 days a week in the Newcastle-upon-Tyne office. The successful candidate will design, develop, and maintain...Read More>>.

Posted: June 6th, 2026
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Senior Developer Experience Writer: API & SDK Docs

Company IconBloomReach
Location IconLondon

A leading tech company is seeking a Senior Technical Writer to enhance the developer experience within their Engagement Docs Team. This role offers flexibility to work remotely while playing a crucial role in organizing product knowledge and document...Read More>>.

Posted: June 6th, 2026
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Hybrid QA Automation Engineer | Playwright & API Testing

Company IconRedRock Resourcing
Location IconWest Midlands

A market-leading software company in the West Midlands is seeking an experienced QA Automation Engineer to enhance their software testing function. You will be responsible for creating advanced API-integrated automated testing scripts primarily using...Read More>>.

Posted: June 6th, 2026
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Senior QA Automation Engineer — Shopify & API Testing

Company IconBeauty Pie
Location IconLondon

Beauty Pie is seeking a QA Automation Engineer to develop automated test frameworks for their Web and Mobile platforms. This role requires at least 3 years of experience in Test Automation, strong knowledge of APIs, and a proactive approach to testin...Read More>>.

Posted: June 6th, 2026
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Backend-Focused Full Stack Developer | Hybrid/Remote UK

Company IconSAI HARA LIMITED
Location Icon

A tech solutions company is looking for a Full Stack Web Developer in the UK. The candidate will manage backend systems, develop eCommerce solutions, and collaborate with frontend teams. Strong skills in backend technologies, database management, and...Read More>>.

Posted: June 6th, 2026
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CAE Software Engineer (C++/Python) - Agile & Remote Options

Company IconAdvanced Design Technology Ltd
Location IconLondon

Advanced Design Technology Ltd is seeking a Software Engineer to join our dynamic development team based in Central London. This role will involve full stack development on Windows, implementing cutting-edge features using C++ and Python in an Agi...Read More>>.

Posted: June 6th, 2026
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Backend Elixir AI Engineer – Hybrid London, Equity

Company IconClient Server Ltd.
Location IconLondon

Client Server Ltd. is seeking a Software Developer / Engineer (Backend Elixir AI) to join their team in London. This position offers a competitive salary of up to £130k, allowing for flexible working with 1-2 days weekly at the London office....Read More>>.

Posted: June 6th, 2026
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Python Developer | Global Investment Tech | London, hybrid

Company IconSGI
Location IconLondon

Python Developer | Global Investment Tech | London, hybrid We’re working with a leading global investment firm operating across public and private markets, supporting a broad institutional and wealth client base. The business...Read More>>.

Posted: June 6th, 2026
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Automation QA Lead for Front & Back‑End Microservices

Company IconSugama Technologies LTD
Location IconLondon

Sugama Technologies LTD is seeking a skilled candidate with a strong eCommerce background and expertise in automation to push traditional boundaries within the company.The role involves leading teams in both front-end and back-end services,...Read More>>.

Posted: June 6th, 2026
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Full-Stack Engineer (Python/React) - Agile SaaS Dev

Company IconJob Search Place Limited
Location IconWest Town

Job Search Place Limited is seeking a Developer to join their cross-functional Agile team. You will be responsible for developing scalable software solutions, implementing application features, and collaborating closely with other team members. A...Read More>>.

Posted: June 8th, 2026
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Java Developer – Cloud & Geospatial (On-site 3 days/week, SC Cleared)

Company IconCBSbutler Holdings Limited trading as CBSbutler
Location Icon

CBSbutler Holdings Limited trading as CBSbutler is seeking a Java Developer in Guildford, offering a competitive daily rate of £500 - £520. The role involves developing scalable software solutions within an Agile Scrum team for a global defence...Read More>>.

Posted: June 8th, 2026
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Senior Software Developer - Django, React & SQL

Company IconLSL Property Services plc
Location IconKettering

LSL Property Services plc in Kettering is seeking a Senior Software Developer to develop, test, and maintain software applications. The ideal candidate will have strong skills in Python, Django, and ReactJS, alongside excellent database management...Read More>>.

Posted: June 10th, 2026
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Senior Python Dev: Cloud Automation & CI/CD Lead

Company IconAllwyn UK
Location IconWatford

Allwyn UK in Watford is seeking a Senior Automation Engineer to drive the design and management of automation and monitoring platforms. Ideal candidates will have strong AWS, Terraform, and Python skills.This role includes establishing secu...Read More>>.

Posted: June 11th, 2026
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Technical Support Team Lead - Python, Automation & Coaching

Company IconProcentia - Pensions Software Solutions
Location IconBristol

Procentia - Pensions Software Solutions is seeking a Technical Support Team Leader to provide leadership and technical excellence. The ideal candidate will manage the support team, focusing on Python-based troubleshooting and automation while ensurin...Read More>>.

Posted: June 12th, 2026
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