Senior Software Engineer - Machine Learning (f/m/d)

Company IconContentful
Location IconLondon

About The OpportunityBecome part of the AI revolution at Contentful where we build real world AI solutions for thousands of active customers. At Contentful you will help imagine, drive, and build ML solutions which produce immed...Read More>>.

Posted: April 11th, 2026
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Lead Software Engineer - Front end in Alderley Edge - Royal London Group

Company IconJava Script Works
Location IconAlderley Edge

This is a job posted by our partner JoobleBelow is a snippet of the job description. To read the full text, please click on the "Apply Now" link.Required QualificationsEnterprise web development experience with Angular...Read More>>.

Posted: May 6th, 2026
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Full Stack Developer Python Django Go AWS

Company IconClient Server
Location IconLondon

Full Stack Developer / Engineer (Python Django Flutter Go AWS) London to £90k Are you a full stack technologist who enjoys working on Greenfield apps? You could be progressing your career at a tech scale‑up that are enjoying...Read More>>.

Posted: May 18th, 2026
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Senior Backend Engineer, Messaging & Notifications (AI‑First)

Company IconMiro
Location IconLondon

Miro is looking for a Senior Backend Engineer to join the Messaging team in Greater London. The ideal candidate will design and implement scalable backend services for notifications and must have over 6 years of backend experience, particularly with...Read More>>.

Posted: May 18th, 2026
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C++ Software Engineer - Hybrid working - Up to £350,000 Base (+ Bonus)

Company IconHunter Bond
Location IconLondon

C++ Software Engineer – High Frequency Trading Client: Scientific Quant Fund Location: London (Hybrid) Compensation: Up to £350,000 Base + Bonus Overview An elite scientific quant fun...Read More>>.

Posted: May 18th, 2026
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Senior Salesforce Developer — Lightning, Apex & DevOps

Company IconFalcon Smart IT (FalconSmartIT)
Location IconLondon

Falcon Smart IT (FalconSmartIT) is seeking a skilled Salesforce Developer in Greater London, UK. This role requires extensive experience with Salesforce implementations, particularly in customization and technical solutions using Salesforce Lightning...Read More>>.

Posted: May 18th, 2026
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Hybrid Full-Stack Engineer (Python/TS) — Equity & Impact

Company IconOliver Bernard
Location IconLondon

Oliver Bernard is seeking a Mid-Level Full-Stack Engineer in London offering up to £75k plus equity. This role at a funded AI startup involves working across a Python backend and Vue/React frontend in a small, fast-growing team. Ideal candidates wil...Read More>>.

Posted: May 18th, 2026
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Freelance Remote Full-Stack Engineer to Accelerate NHS Care

Company IconPaloma Health
Location IconLondon

Paloma Health is seeking a Fullstack Engineer to enhance the Paloma Portal, an AI-powered patient pathway and Electronic Patient Record software. In a hybrid or remote setting, you will collaborate across teams, developing innovative solutions for au...Read More>>.

Posted: May 18th, 2026
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Senior Fullstack Engineer, Vendor Risk (Remote & Equity)

Company IconVanta
Location IconLondon

Vanta is looking for a Senior Fullstack Engineer in Greater London to lead complex projects in Vendor Risk Management. You will have the opportunity to mentor engineers and work on external attack surface scanning. The ideal candidate has over 7 year...Read More>>.

Posted: May 18th, 2026
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Hybrid BI Developer: Turn Data into Real Impact

Company IconHolland Mountain
Location IconLondon

Holland Mountain is seeking a BI Developer to work in a dynamic hybrid environment based in London Bridge. The successful candidate will be responsible for translating evolving requirements into effective data solutions while managing multiple projec...Read More>>.

Posted: May 18th, 2026
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Kotlin Backend Engineer — Payments & Distributed Systems

Company IconHomerun B.V.
Location IconLondon

Katanox is seeking a Software Engineer to enhance backend systems that manage transactions in the hospitality sector. Your role will center on developing secure, high-availability services handling real payments and bookings. Ideal candidates will ha...Read More>>.

Posted: May 18th, 2026
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Senior Data Backend Engineer - Search Quality (Remote)

Company IconYelp, Inc
Location IconLondon

Yelp, Inc is seeking a data-oriented backend engineer in Greater London, UK to enhance internal systems and improve Search. You will collaborate with various teams to build scalable backend platforms, requiring expertise in object-oriented languages,...Read More>>.

Posted: May 18th, 2026
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FPGA Software Engineer | Systematic Hedge Fund

Company IconParagon Alpha - Hedge Fund Talent Business
Location IconLondon

Paragon Alpha are partnered with a leading $50 Billion Systematic Hedge Fund who have seen exponential growth over the 2020s.As part of their continued London expansion, they are hiring a FPGA Software Engineer to support their in...Read More>>.

Posted: May 18th, 2026
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Developer Relations Engineer — AI Vector & RAG (Remote)

Company IconQdrant
Location IconLondon

Qdrant is seeking a Developer Relations Engineer to empower developers in building sophisticated AI applications. This position combines hands-on technical work with community engagement. Responsibilities include developing open-source applications,...Read More>>.

Posted: May 18th, 2026
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Senior Backend Engineer (Rust) (m/f/d)

Company IconAffinidi
Location IconLondon

About The Company Affinidi is a technology company dedicated to changing data ownership for good. We empower businesses and individuals with control and ownership of their data, with a comprehensive approach to managing their holistic...Read More>>.

Posted: May 18th, 2026
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Graduate RegTech Backend Engineer - Python

Company IconSuade Labs Ltd
Location IconLondon

Suade Labs Ltd is looking for candidates for its Graduate Software Engineering programme based in London. As a RegTech Engineer, you will design and build systems that power regulatory reporting solutions. Applicants should have a bachelor's or maste...Read More>>.

Posted: May 19th, 2026
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Senior Back-End Engineer, Trading Platform

Company IconTryApplyNow
Location IconLondon

Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has e...Read More>>.

Posted: May 19th, 2026
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Senior Fullstack Engineer, Signals - Remote Security

Company IconEntrust
Location IconLondon

Entrust is seeking a Senior Fullstack Software Engineer for their Signals Team in London. This role involves designing and developing secure, scalable applications while mentoring other engineers. Successful candidates will have 5+ years of experienc...Read More>>.

Posted: May 19th, 2026
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Low-Latency Algo Dev - EMS/OMS & SOR Engineer (Hybrid)

Company IconHarrington Starr
Location IconLondon

Harrington Starr is seeking an experienced Algo Developer to join their London engineering team. This role focuses on designing and building a low-latency, high-throughput trading system within the digital asset space. Ideal candidates will have over...Read More>>.

Posted: May 19th, 2026
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Graduate Software Engineer & AI Advisory Consultant

Company IconSoftwire
Location IconLondon

Softwire is looking for a Graduate Consultant Software Engineer in Greater London. This permanent role blends high-level software engineering with client advisory, helping clients transform their businesses through innovative AI-driven solutions. The...Read More>>.

Posted: May 19th, 2026
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Lead Java Backend Engineer — High-Performance Risk Systems

Company IconP2P
Location IconLondon

P2P in Greater London is looking for a highly experienced Java Backend Engineer to lead the development of high-performance risk systems. The role involves designing scalable JVM services, collaborating with quantitative teams, and optimizing the exi...Read More>>.

Posted: May 19th, 2026
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Product Developer, Soho Home - 12 Month FTC

Company IconSoho House & Co
Location IconLondon

The Role As a Product Developer within our Upholstery team, you will be responsible for bringing commercially viable, design‑led furniture to life—from initial concept through to production. Working closely with Design, Product Dev...Read More>>.

Posted: May 19th, 2026
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Senior .NET Full‑Stack Engineer (Cloud & API)

Company IconStepStone Group
Location IconLondon

The StepStone Group is looking for a Senior Full Stack Engineer to join their Profile domain product teams. In this role, you will work across the back-end and front-end, leveraging your expertise in C# and .NET Core primarily in cloud-native AWS...Read More>>.

Posted: May 20th, 2026
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Principal Engineer & Tech Lead — Tech for Good

Company IconStars Arena
Location IconLondon

Stars Arena is looking for a skilled tech lead to manage projects, solve complex problems, and drive technical excellence. Ideal candidates should have strong programming skills, preferably in Python, and a solid background in software engineering. E...Read More>>.

Posted: May 20th, 2026
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Senior Software Engineer — Enterprise AI Platform Architect

Company Iconwriter.com
Location IconLondon

writer.com is looking for an exceptional senior software engineer to join their enterprise AI platform team in Greater London. The role involves designing and building generative AI services using Python, optimizing APIs, and ensuring scalable arc...Read More>>.

Posted: May 20th, 2026
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RegTech Backend Engineer Graduate – Flexible Hours

Company IconSuade
Location IconLondon

Suade is seeking a RegTech Engineer to join their Graduate Software Engineering programme in London. You will work on developing innovative RegTech software, translating regulatory requirements into code primarily using Python, and collaborating w...Read More>>.

Posted: May 20th, 2026
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Senior Fullstack Engineer: Identity & Security (Hybrid)

Company IconEntrust
Location IconLondon

Entrust is seeking a Senior Fullstack Software Engineer to join our London team. In this role, you will design and develop secure applications supporting digital identity services, collaborating with cross-functional teams to deliver high-impact s...Read More>>.

Posted: May 20th, 2026
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Senior Full-Stack Engineer: Remote Energy Impact

Company IconAmber Electric Pty
Location IconLondon

Amber Electric Pty, based in the UK, is seeking a Senior Full Stack Engineer to join their dynamic team. The ideal candidate will contribute to optimizing energy usage and driving the transition towards renewables through innovative technology, in...Read More>>.

Posted: May 20th, 2026
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Senior Backend Engineer, Gaming - Global, Low Latency

Company IconTencent
Location IconLondon

Tencent is hiring an experienced backend developer for their gaming division in Greater London. The ideal candidate has over 8 years of backend development experience, including at least 5 years in the gaming industry. Responsibilities include provid...Read More>>.

Posted: May 20th, 2026
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Senior Full-Stack Engineer — 3D WebGL & AI Visualization

Company IconEncord
Location IconLondon

Encord, based in Greater London, is seeking a full-stack engineer ready to tackle challenges in 3D rendering and spatial data visualisation. In this role, you will build high-performance frontend experiences while maintaining an owner mentality fr...Read More>>.

Posted: May 20th, 2026
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Java (Kotlin) Developer (Agile, Test-Driven) AVP

Company IconCitibank (Switzerland) AG
Location IconLondon

## Java (Kotlin) Developer (Agile, Test-Driven) AVPApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26944371Engineer the future of global finance. At Citi, our Tech team...Read More>>.

Posted: May 20th, 2026
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Senior Rust Backend Engineer – Secure, Scalable Systems

Company IconAffinidi Group
Location IconLondon

Affinidi Group seeks a Senior Software Engineer (Backend) with expertise in Rust to help develop secure, scalable backend systems for the Affinidi Elements platform. The role includes responsibilities across product design, architecture, and engineer...Read More>>.

Posted: May 20th, 2026
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Field Deployment Software Engineer – AI & Robotics

Company IconDurlston Partners
Location IconLondon

Durlston Partners is looking for an engineer in Greater London for a hybrid role combining software engineering and hands-on field work. You will travel to customer sites to deploy products and write code for complex systems. A degree in Computer Sci...Read More>>.

Posted: May 20th, 2026
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Senior Backend Engineer — Java & Data Services Architect

Company IconMASS Analytics
Location IconLondon

MASS Analytics is seeking a Senior Backend Engineer in London to design and maintain backend services using Java. The role involves analyzing user requirements, developing backend architecture, and ensuring efficient database integration with SQL and...Read More>>.

Posted: May 20th, 2026
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AI-Native Full-Stack Engineer — Build Autonomous Commerce

Company IconDELLI
Location IconLondon

DELLI is seeking a Full-Stack Engineer based in London to build its agentic platform. This role involves working across the entire technology stack, from backend systems to frontend user experiences. Responsibilities include developing core features...Read More>>.

Posted: May 20th, 2026
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Senior Backend Engineer - Scale AI Pipelines (Hybrid)

Company IconAntler
Location IconLondon

A dynamic technology startup in London is seeking a Backend Engineer to build robust, scalable systems for its AI platform. The ideal candidate has over 4 years of software engineering experience, particularly in a venture-backed environment. Respons...Read More>>.

Posted: May 20th, 2026
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SQL Developer: Snowflake + Power BI Specialist

Company IconArthur Recruitment
Location IconLondon

Arthur Recruitment is seeking a SQL Developer to join a growing insurance business in Greater London. This permanent role requires 4-5 years of experience in SQL development, with exposure to modern data platforms like Snowflake, Microsoft Dataverse,...Read More>>.

Posted: May 20th, 2026
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Java Front-End Web Developer — Life Insurance Dashboards

Company IconJas Gujral
Location IconLondon

Jas Gujral is seeking an Internet Developer based in Stratford, E15. The ideal candidate will have strong experience in Java and JavaScript, along with a solid understanding of Life Insurance systems and business dashboards. Excellent spoken and writ...Read More>>.

Posted: May 20th, 2026
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Full-Stack Engineer – Rapid Delivery & Impact (Stock Options)

Company IconBlink group
Location IconLondon

Blink group is seeking a skilled Full Stack Engineer based in London to join their dynamic team. You’ll be responsible for developing and maintaining full-stack applications using technologies like TypeScript, Node.js, and React, as well as supp...Read More>>.

Posted: May 20th, 2026
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Principal Software Engineer, Data Platform & AI Architect

Company IconInstitutional Shareholder Services Inc.
Location IconLondon

A leading financial data firm in Greater London is seeking a Principal Software Engineer to provide technical leadership in the development of a financial data distribution platform. The ideal candidate will have a strong background in data engineeri...Read More>>.

Posted: May 20th, 2026
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Senior WordPress Backend Engineer - PHP, Gutenberg

Company IconJava Script Works
Location IconLondon

Java Script Works is looking for a skilled developer to create enterprise-level WordPress plugins and themes primarily using PHP and React.js. The successful candidate will drive strategy in collaboration with multiple disciplines and lead the techni...Read More>>.

Posted: May 20th, 2026
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Remote Java Developer - SC Cleared, Microservices - Hays

Company IconJava Script Works
Location IconLondon

Java Developer – SC Cleared, Microservices Up to £550 per day (Inside IR35)London / Remote (Occasional travel) My client is looking for a Java Developer with Active SC Clearance to work on a business-critical programme ASA...Read More>>.

Posted: May 20th, 2026
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Junior C++ Developer for Quant Trading

Company IconQuant Capital
Location IconLondon

Quant Capital is seeking a Junior C++ Developer to join their team in London, UK. The role offers a unique opportunity to work at the forefront of trading technology, collaborating with experienced professionals. You should have strong skills in C++...Read More>>.

Posted: May 20th, 2026
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Generative AI Back-End Engineer — Scalable Systems

Company IconNeo4j
Location IconLondon

Neo4j is looking for a Staff-Level Full-Stack Software Engineer in Greater London. You will expand the suite of GenAI offerings and be responsible for designing, developing, and maintaining high-performance back-end systems using Python. The ideal ca...Read More>>.

Posted: May 20th, 2026
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FinTech Node.js Developer - Build & Maintain Modern Apps

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a Node.js Developer in Greater London, United Kingdom. The ideal candidate will have solid experience with Node.js and a background in building innovative financial services products as well as maintaining existing applic...Read More>>.

Posted: May 20th, 2026
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Senior C# Developer – Real-Time Trading Systems

Company IconUndisclosed
Location IconLondon

Our client is seeking a Senior C# Developer for a contract role focused on a major re-engineering initiative to develop and integrate core systems. The ideal candidate will have a strong background in fixed-income trading systems and expertise in C#...Read More>>.

Posted: May 20th, 2026
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Backend Engineer (Go/Node.js) — APIs at Scale

Company IconInsider One
Location IconLondon

Insider One is seeking a Software Engineer in Greater London to design, implement, and maintain web-based products. The role requires 4+ years experience in backend development with Go or Node.js, and PHP Laravel. You'll work on data-heavy systems, e...Read More>>.

Posted: May 20th, 2026
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Senior Java Backend Engineer for Real-Time FinTech

Company IconClient Server
Location IconLondon

Client Server is seeking a Backend Software Engineer specializing in Java development for their London office. This role involves designing complex real-time, low latency trading systems in a microservices environment. Ideal candidates will have s...Read More>>.

Posted: May 20th, 2026
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Low-Latency Java Web Developer for Trading

Company IconJava Script Works
Location IconLondon

```htmlJob Opportunity: Java DeveloperQuant Capital is urgently looking for a Java developer to join our high profile client.Client ProfileOur client is a well-known financial connectivity provider for the front office. T...Read More>>.

Posted: May 20th, 2026
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AI Developer Advocate

Company IconThe Rundown AI, Inc.
Location IconLondon

About Mistral AI At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize A...Read More>>.

Posted: May 20th, 2026
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