Senior Principal Engineer - Cloud Lead & Mentor (AWS/Python)

Company IconGolang Works
Location IconLondon

A tech company in London seeks a Principal Engineer to integrate hands-on expertise with leadership skills in a collaborative environment. This role involves mentoring team members while utilizing AWS, Terraform, and Python. The successful candidate...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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Calypso Specialist - Senior Backend Engineer (6-12 mo)

Company IconBoardroom Appointments
Location Icon

A UK-based technology firm is seeking a Senior Software Engineer for a 6-12 month contract. The ideal candidate will possess a bachelor's degree in computer science, extensive Calypso experience, and a strong background in Capital Markets. Responsibi...Read More>>.

Posted: June 6th, 2026
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Software Engineer (Python / Data Collection Systems)

Company IconTempleton & Partners - Innovative & Inclusive Hiring Solutions
Location IconLondon

OverviewOur global technology client is looking for an experienced Software Engineer to join their pioneering Reality Labs research team, working on the next generation of immersive devices such as smart glasses and VR headsets....Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer – Hybrid, AI‑Driven Payments

Company Icon0026 Checkout Technology Ltd
Location IconLondon

0026 Checkout Technology Ltd is seeking a Senior Software Engineer to develop next-generation payment technologies that enhance merchant acceptance rates and customer experiences. This role involves mentoring junior engineers, collaborating with d...Read More>>.

Posted: June 6th, 2026
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Senior AI Python Engineer - Remote-First Flexible

Company IconNearform
Location Icon

Nearform is searching for a Senior Python Engineer with AI expertise in the United Kingdom. The role involves designing and building applications, optimizing performance, and collaborating with teams. Candidates should have deep knowledge of Python,...Read More>>.

Posted: June 6th, 2026
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Platform Delivery Lead — API-First Fintech (12m FTC)

Company IconMLM SEARCH
Location IconLondon

MLM SEARCH is seeking a Technology Delivery Manager for a 12-month fixed term contract. The ideal candidate will lead technology delivery across a modern fintech platform, ensuring integration architecture and alignment with design.Experien...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer (Python/ Automation) in Cambridge - Imagination Technologies

Company IconImagination Technologies
Location IconCambridge

Senior Software Engineer (Python/ Automation) Cambridge, United Kingdom Posted 10 months ago Tech Stack Automation Python Software Engineer Responsibilities Ca...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer - React, Node.js & AWS (London)

Company IconOliver Bernard
Location IconLondon

A leading technology firm is seeking a Senior Software Engineer with expertise in React, Node.js, and AWS. The role is hybrid, allowing for flexibility while working closely with product and design teams. You will take ownership from concept through...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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Senior Software Engineer – Hybrid (PHP/Laravel, React, AWS)

Company IconG.Digital
Location IconSheffield

A growing technology firm in Sheffield seeks a Senior Software Engineer to drive best engineering practices and oversee the development of high-quality software. The role involves working with PHP, Laravel, React, TypeScript, and AWS while collaborat...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer (TypeScript, Node.js, AWS) - 12 month maternity cover

Company IconHouseful Limited
Location IconLondon

Hybrid - 2 days per week in our London HQAlto Software Group is a B2B SaaS company that powers more than half of all UK housing transactions each year. We create software solutions that connect businesses and consumers, delivering a one-...Read More>>.

Posted: June 6th, 2026
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Senior Quantitative Python Engineer - Trading & Risk

Company IconVBeyond Europe
Location IconLondon

VBeyond Europe is seeking a Python Developer with strong experience in trading and risk management systems within investment banking. The ideal candidate will develop backend applications and data processing logic supporting risk calculations, tra...Read More>>.

Posted: June 6th, 2026
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Quantitative (Python) Developer - Hybrid London - Up To 250k!

Company IconOpus Recruitment Solutions
Location Icon

Quantitative Developer – Python – Central LondonWe’re a fast‑paced blockchain scale‑up looking for Quantitative Developers with proficiency in Python, Pandas, NumPy, and experience from the Trading world.We’re on the...Read More>>.

Posted: June 6th, 2026
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Digital Marketing Tech Consultant — API & Conversions Expert

Company IconIntec Select
Location IconLondon

A leading global technology company is seeking a Digital Marketing Technical Consultant in London. This role involves guiding clients on optimal implementation of advanced marketing technologies, focusing on API integrations. The ideal candidate has...Read More>>.

Posted: June 6th, 2026
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Python ML Engineer for Greenfield Projects - Hybrid

Company IconCititec
Location IconGlasgow

Cititec in Glasgow, Scotland is hiring a Machine Learning Engineer for 12 months to support two upcoming greenfield projects. This role offers a hybrid work model, requiring 3 days a week in the Glasgow office while focusing on Python-driven ML ap...Read More>>.

Posted: June 6th, 2026
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Head of API & Data Pre-Sales

Company Icon9fin
Location IconLondon

9fin is seeking a Head of Pre-Sales to lead the technical sales efforts for their innovative API and Data Feed Products. This role requires a seasoned professional with over a decade of technical sales experience in financial institutions, specifical...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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Digital Banking Test Lead – API and Payments

Company IconAlpha Bank London Limited
Location IconLondon

Alpha Bank London Limited is seeking a Test Lead to oversee the delivery of change initiatives related to multi-currency products and integrations in a hybrid work environment. The ideal candidate will have extensive experience in QA and test leaders...Read More>>.

Posted: June 6th, 2026
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NHS Data & API Transformation Analyst (Hybrid Contract)

Company IconBrio Digital
Location Icon

A healthcare consultancy firm is seeking an experienced Business Analyst for a national NHS data project. This hybrid role requires expertise in API integration and data flows to improve healthcare interoperability. Candidates should have experience...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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Lead Backend Engineer - Platform Architect (Contract, UK)

Company Iconitecopeople
Location Icon

A leading IT consultancy is seeking a Contract Software Engineer / Lead Developer to join their team in the UK. This role involves back-end development of a new platform using advanced software design patterns. The ideal candidate has over 5 years of...Read More>>.

Posted: June 6th, 2026
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Structured Finance Data Scientist: Python & ML (London)

Company IconRCQ Associates - Financial Markets Specialists
Location IconLondon

RCQ Associates - Financial Markets Specialists is expanding its team in London. This new position involves executing structured finance deals and developing analytical tools. Candidates will conduct research on various asset classes and gain valua...Read More>>.

Posted: June 6th, 2026
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Senior PHP/React/AWS Full-Stack Engineer — Mentoring

Company IconDentro Talent
Location IconBracknell

Dentro Talent is seeking a Senior Full Stack Developer to join their growing retail/eCommerce business in Bracknell. This role involves working on a modern tech stack including PHP, React, MySQL, and AWS. You will design and optimise both front-end a...Read More>>.

Posted: June 6th, 2026
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Backend Engineer for AI Startup — Ownership & Impact

Company IconLinuxRecruit
Location IconLondon

An innovative AI startup in Greater London is seeking a Software Engineer to join its high-caliber team. In this role, you will work on backend systems integrating with LLMs, having direct conversations with customers and shaping products that make a...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack Engineer, PHP/Laravel — AI-Driven Platform

Company IconSuperscript
Location IconLondon

Superscript is seeking a senior product-focused engineer who can ship ambitious features while maintaining a reliable platform. The successful candidate will work closely with product teams and leverage AI tools to enhance delivery speed and quali...Read More>>.

Posted: June 6th, 2026
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Software Engineer (Python/Golang/DevOps) - Up to £60,000 - ID37652

Company IconHumand Talent
Location IconLondon

Software Engineer (Python/Golang/DevOps) - Up to £60,000 - ID37652 This range is provided by Humand Talent. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range...Read More>>.

Posted: June 6th, 2026
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Blockchain Backend Expert

Company IconSuperland Inc
Location IconLondon

SuperlandInc is a blockchain technology company that specializes in creating powerful dapps and cryptocurrencies for startups and medium-level enterprises. Our in‑house team of software engineers are experts in the MEAN and MERN technology st...Read More>>.

Posted: June 6th, 2026
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Senior Athena Python Engineer - Rates Risk & PnL

Company IconJPMorgan Chase & Co.
Location IconLondon

A leading global financial services firm is seeking an experienced Senior Athena Python Rates Senior Lead Software Engineer. In this role, you will design, develop, and integrate solutions that support trading desks and back office functions for rate...Read More>>.

Posted: June 6th, 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: June 6th, 2026
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Senior Backend Engineer: Low-Latency Trading Systems

Company IconTP ICAP Group Services Ltd
Location IconLondon

TP ICAP Group Services Ltd is looking for a Senior Back-End Engineer in London to design, develop, and maintain robust server-side applications and APIs. The role involves collaborating with Architects and delivering high-performance systems acros...Read More>>.

Posted: June 6th, 2026
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Go Backend Engineer — AI‑Powered FinTech

Company IconZILO
Location IconLondon

A leading FinTech company in the UK is seeking a Software Engineer (Go) to develop high-performance back-end services for financial applications. The ideal candidate will have a Bachelor’s in Computer Science and experience with JavaScript, HTML, a...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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AI Interfaces & API Engineer

Company IconAnthropic
Location IconLondon

Anthropic is looking for a skilled software engineer to join the Claude.AI product team. This role involves building innovative APIs and interfaces that facilitate interactions with advanced AI models. Collaborate with a talented team to redefine...Read More>>.

Posted: June 6th, 2026
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Contract Data Scientist - Python, SQL & ML (Project-Based)

Company IconMindrift
Location IconBirmingham

Mindrift is looking for data scientists to design computational problems for various industries. The role involves creating challenging scenarios requiring Python programming and statistical analysis, while ensuring solutions are viable for real-w...Read More>>.

Posted: June 6th, 2026
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Technical Business Analyst (Python and Investment banking) - Lorien Impellam

Company IconLorien Impellam
Location IconLondon

Job Description Business Analyst – Investment Bank (Contract) Location: London (Hybrid) Contract Length: 6 months Start Date: ASAP Overview We are working with a leading global investment bank see...Read More>>.

Posted: June 7th, 2026
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Senior Software Engineer — Lead Scalable Backend & AI

Company IconAICADIUM SINGAPORE PTE. LTD.
Location IconPenarth

AICADIUM SINGAPORE PTE. LTD. is looking for a Senior Software Engineer to join our vibrant team, responsible for all aspects of back-end development. The ideal candidate will demonstrate strong technical abilities, the capability to drive well-con...Read More>>.

Posted: June 8th, 2026
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Senior AI Platform Engineer — Python, Lead & Impact

Company IconDormont Manufacturing Co
Location IconLondon

Dormont Manufacturing Co is seeking a Senior Software Engineer for the Frontier product, tackling complex challenges with AI-driven insights. You'll collaborate with engineers and cross-functional teams, working in an Agile environment to meet cus...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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Category Manager (12 month fixed term contract)

Company IconHighland Spring Ltd
Location IconBlackford

At Highland Spring, we're proud to be the UK's favourite water brand. Every drop of our natural source water is drawn from protected, organic land in the Ochil Hills, and we're committed to caring for the land, our people, our customers and the...Read More>>.

Posted: June 11th, 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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Full-Stack Engineer — Build Scalable Backend & AI-Driven UI

Company IconSolve Intelligence
Location IconLondon

A transformative legal tech startup in Greater London is seeking a Full-Stack Engineer (Back-End Leaning) to help build core infrastructure at speed. You will interact with an expert team to develop both front-end and back-end solutions, ensuring AI...Read More>>.

Posted: June 11th, 2026
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Backend Engineer at London-based voice AI startup

Company IconJack & Jill
Location IconLondon

Backend Engineer Salary: Not Disclosed Company: London-based voice AI startup building real-time interpretation infrastructure Location: London, UK Job Description: As the second backend...Read More>>.

Posted: June 11th, 2026
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Staff Software Engineer: Build Scalable AI API Platform

Company IconJack & Jill
Location IconLondon

Jack & Jill, a neuroscientific AI startup, is seeking a Staff Software Engineer to lead the development of a scalable public API platform. You will bridge symbolic reasoning and LLMs to create reliable AI systems for tier-1 financial institutions....Read More>>.

Posted: June 11th, 2026
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Backend Engineer for Real-time Voice AI Platform

Company IconJack & Jill
Location IconLondon

Jack & Jill is looking for a Backend Engineer to join their London-based voice AI startup. You will work directly with the technical founder to build production-grade infrastructure powering real-time voice interpretation.Your role involves...Read More>>.

Posted: June 11th, 2026
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API Enterprise Sales Executive (German Market)

Company IconRevolut
Location Icon

About RevolutPeople deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spendin...Read More>>.

Posted: June 11th, 2026
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API Enterprise Sales Executive (Spanish Market)

Company IconRevolut
Location Icon

About RevolutPeople deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spendin...Read More>>.

Posted: June 11th, 2026
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