Principal AI Data Scientist – Build Next‑Gen LLM Systems

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a Principal Data Scientist to leverage AI technologies in legal tech solutions based in London. The ideal candidate will possess strong proficiency in Python and should have experience with AI systems.Additional...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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Senior Backend Architect for AI Infra (Remote UK/EU)

Company IconConnect-AI
Location Icon

A pioneering AI startup in the United Kingdom is looking for a Senior Backend Engineer to build robust backend systems for AI-powered applications. This role involves designing APIs, managing backend services, and making decisions in a remote-first e...Read More>>.

Posted: June 6th, 2026
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Senior Ruby on Rails & API Integration Engineer

Company Icon慨正橡扯
Location IconWallingford

SeniorSoftwareEngineer/RubyOnRails/React/TypeScript Location:Wallingford-Oxfordshire(Hybrid)-onsiteonceevery4-6weeks Permanent AtDexory,wearetransformingthewarehousingandlogisticsindustrythroughdataintellige...Read More>>.

Posted: June 6th, 2026
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GenAI ML Engineer – Deployments & API Systems (Remote)

Company IconOliver Bernard
Location IconLondon

A technology recruitment agency is seeking a Machine Learning Engineer for a long-term project in the retail space. The role offers a hybrid working model, requiring strong expertise in machine learning deployments, API development, and cloud platfor...Read More>>.

Posted: June 6th, 2026
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Lead AI/ML Platform Engineer — Python & Scalable Systems

Company IconJPMorganChase
Location IconLondon

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the AI/ML Data Platforms business, you are an...Read More>>.

Posted: June 6th, 2026
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AI Integration Engineer: Multi-Agent & Responsible AI

Company IconJava Script Works
Location IconLondon

Java Script Works is looking for an AI Integration Engineer based in London, England. The successful candidate will develop capabilities that integrate AI technologies with front-end tools like React and Next.js, focusing on effective autonomous r...Read More>>.

Posted: June 6th, 2026
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Product Tech Lead - AI SaaS, Scalable Backend

Company IconDifferent Technologies Pty Ltd.
Location IconLondon

Different Technologies Pty Ltd. is seeking a Product Technical Lead in Greater London to guide their AI-enabled software product’s evolution. This hands-on leadership role combines strategic direction with active development, requiring strong Py...Read More>>.

Posted: June 6th, 2026
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AI Observability Engineer — Backend & ML Pipelines

Company IconC0050 LiveRamp UK Limited
Location IconLondon

C0050 LiveRamp UK Limited is seeking an AI Software Engineer for a six-month fixed-term contract. You will be pivotal in developing intelligent observability systems by combining backend engineering and applied AI to enhance data reliability acros...Read More>>.

Posted: June 6th, 2026
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Data Projects Lead: Client Onboarding & API Automation

Company IconAddepar
Location IconCity of Edinburgh

Addepar, located in Edinburgh, seeks a candidate for a role in Data Client Projects. Responsibilities include managing data conversion projects from third-party systems, developing Python scripts, and collaborating with teams to enhance operational e...Read More>>.

Posted: June 6th, 2026
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QA Lead - Java Automation for Financial Services

Company IconAlbany Beck
Location IconLondon

Albany Beck is looking for an experienced QA Lead to join their Technology team in London. In this role, you'll manage QA activities across FX and Capital Markets platforms while driving quality engineering best practices.The ideal candidat...Read More>>.

Posted: June 6th, 2026
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Senior Python/Go Engineer – Terraform & ML (Contract)

Company IconGolang Works
Location IconLondon

A software development company in London is looking for Senior Software Developers/Engineers skilled in Python, Terraform, and Go. Ideal candidates will have 7 to 10 years of experience and proficiency in Machine Learning. This contract role offers c...Read More>>.

Posted: June 6th, 2026
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Senior Lead eSoftware Engineer - Equities Algo Trading - Java - VP in London - JPMorgan Chase & Co.

Company IconJPMorgan Chase & Co.
Location IconLondon

Senior Lead eSoftware Engineer – Equities Algo Trading – Java – VP Location: London, United Kingdom Posted: about 1 year ago Tech Stack Java Low latency messaging Trading systems...Read More>>.

Posted: June 6th, 2026
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Java eFX Algo Developer (Low Latency) - 12-month Contract - Inside IR35 - £920per day - Hybrid [...]

Company IconHawksworth
Location Icon

OverviewJava eFX Algo Developer (Low Latency) – 12-month Contract – Inside IR35 – £920 per day – Hybrid working/LondonClient: European Investment Bank. Location: London (Hybrid: on-site 3 days/week, 2 days remote). 12-m...Read More>>.

Posted: June 6th, 2026
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Blockchain & Backend Developer – Cofounder | Play-To-Earn Gaming

Company IconSuportr League
Location Icon

OverviewBlockchain & Backend Developer – Cofounder | Play-To-Earn GamingCompany: Suportr LeagueLocation: RemotePart-time: 15-20 hours per weekNo Salary - Equity Only...Read More>>.

Posted: June 6th, 2026
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ML Researcher (PhD in Statistics) – Python & AI, Remote

Company IconClient Server
Location IconCambridge

A high successful SaaS tech company in Cambridge is seeking a Machine Learning Researcher (PhD Statistics Python AI R&D) to develop new tools and techniques for probabilistic models. The role involves conducting independent research and contributing...Read More>>.

Posted: June 6th, 2026
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Lead Backend Engineer - AI & Ops Platform (Remote UK)

Company IconMidnite Limited
Location Icon

A tech company in the UK is looking for a Lead Backend Engineer to guide the development of a new AI-powered backend platform. This role requires at least 7 years of backend engineering experience and strong skills in mentoring. You'll collaborate wi...Read More>>.

Posted: June 6th, 2026
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Ruby on Rails AI Engineer — SaaS Backend & LLMs

Company IconRemotestar
Location IconCambourne

Remotestar is seeking a software engineer with a strong background in backend development and AI/ML tools. The role involves designing and implementing AI-driven features within a SaaS platform focused on energy operations. Candidates should have 3+...Read More>>.

Posted: June 6th, 2026
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Front-End Developer (6-Month Contract) - Immediate Start in London - The ECA International Group

Company IconJava Script Works
Location IconLondon

Desirable Experience (Nice to have): Familiarity with accessibility and SEO best practices. Experience with technologies such as Node.js, PostgreSQL, Express, GraphQL, AWS, GitHub, Terraform. Exposure to mobile...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - Build AI-Driven Data Pipelines

Company IconBoam AI
Location IconLondon

A leading data solutions provider in the United Kingdom is looking for a Senior Backend Engineer to design and build resilient backend services and APIs. This position requires at least 5 years of experience with Scala and Python, operating productio...Read More>>.

Posted: June 6th, 2026
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Junior Backend Engineer: AI-Driven SaaS for Critical Industries

Company IconCogna
Location IconLondon

A tech company focused on critical industries is seeking a Backend Engineer to join their team. The role involves building and maintaining backend features and API integrations using Python and FastAPI. Candidates should have at least 1 year of exper...Read More>>.

Posted: June 6th, 2026
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Junior Frontend Engineer (React/Vue/Angular) — TDD Focus

Company IconJava Script Works
Location IconLondon

Java Script Works is looking for a Junior Frontend Engineer to join their team in London. The role offers a salary range of £35,000 to £50,000. Candidates should be familiar with technologies such as React, TDD, Vue.js, and Angular. While the posit...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer - AI-Driven Backend (Remote UK)

Company IconWave Talent
Location Icon

Wave Talent is looking for a Senior Software Engineer with a salary range of £80,000–£90,000, plus equity, for a remote/hybrid role based in the UK.This role involves joining a high-performing team focused on building workflow automatio...Read More>>.

Posted: June 6th, 2026
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Remote Lead Backend Engineer - AI-Driven Fintech Platform

Company IconJack & Jill/External ATS
Location IconLondon

A dynamic international fintech startup is seeking a Lead Backend Engineer to join their growing AI & Back Office team. In this role, you will have total autonomy to design backend systems and mentor engineers to maintain high code quality. With a fo...Read More>>.

Posted: June 6th, 2026
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Senior Machine Learning Engineer | Computer Vision | Deep Learning | Python | C++| London, Hybrid

Company IconEnigma
Location IconLondon

Senior Machine Learning Engineer | Computer Vision | Deep Learning | Python | C++| London, HybridSenior Machine Learning Engineer | Computer Vision | Deep Learning | Python | C++| London, HybridGet AI-powered advice on this job a...Read More>>.

Posted: June 6th, 2026
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Backend Engineer - AI-Driven Workflow Platform

Company IconMentor Talent Acquisition
Location IconLondon

Mentor Talent Acquisition is seeking a skilled backend engineer in Greater London. In this role, you will take ownership of backend systems that support AI-driven research workflows. You'll design scalable systems, integrate various platforms, and en...Read More>>.

Posted: June 6th, 2026
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Senior Ruby on Rails Backend Engineer | Scale & APIs Lead

Company IconRise Technical Recruitment
Location IconLondon

A startup in the tech sector is looking for a Senior Ruby on Rails Engineer to lead core platform evolution. You will optimize PostgreSQL and manage secure third-party integrations. Ideal candidates should have solid experience in Ruby on Rails and P...Read More>>.

Posted: June 6th, 2026
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Remote Full-Stack JS Engineer (React/Next.js) – 3 Months

Company IconJava Script Works
Location IconLondon

A leading software company in London is seeking a highly skilled Full-Stack JavaScript Developer for a 3-month contract. The role involves developing web applications using React, implementing Server-Side Rendering and Static Site Generation features...Read More>>.

Posted: June 6th, 2026
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Associate Penetration Tester — Web/API Security & Reporting

Company IconRadley James
Location IconManchester

A leading cybersecurity firm in Manchester is seeking an Associate Penetration Tester to identify and remediate security vulnerabilities across applications and infrastructure. You will conduct penetration tests, document findings, and support cross-...Read More>>.

Posted: June 6th, 2026
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Contract Full-Stack Developer: Next.js, Java & Terraform

Company IconInspirec is part of the Goaco Group
Location Icon

Inspirec is part of the Goaco Group, seeking a motivated Software Developer to join their team on a contract basis. You will design, develop, and maintain scalable web applications using modern tools like Next.js and Spring Boot.The ideal c...Read More>>.

Posted: June 6th, 2026
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AI-Driven Full-Stack Engineer | RAG & LLM Specialist

Company IconJava Script Works
Location IconLondon

Proficiency in Full-Stack Development Proficiency in building modern, full-stack applications with back end development in Python, Node.js, or Java, and front end development with frameworks like React, Angular or Next.js. Experi...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - AI-Driven Cybersecurity Platform

Company IconThreatAware
Location IconLondon

About the roleWe're hiring a Senior Backend Engineer to work on some of the most interesting problems in cybersecurity — building the platform that connects 150+ security tools, serves enterprise customers at scale, and now powers a...Read More>>.

Posted: June 6th, 2026
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QA Automation Engineer – Python, CI/CD for C++ Apps

Company IconXcamper Ltd
Location IconLondon

A technology company in Greater London is seeking a Testing Specialist responsible for functional and regression testing of complex C++ applications. The ideal candidate will develop a Python testing environment and ensure comprehensive testing cover...Read More>>.

Posted: June 6th, 2026
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Remote AI Trainer - Electrical Eng. & Python Expert

Company IconMindrift
Location Icon

A tech innovation company in the United Kingdom is seeking experienced Electrical Engineers with strong Python skills to help train AI models. The role emphasizes technical evaluation and problem design in various electrical engineering domains. Resp...Read More>>.

Posted: June 6th, 2026
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Automation Apprentice: PLC/SCADA, API & ML Training

Company IconPearl Control Systems Limited
Location IconPeterborough

A leading automation solutions company in Peterborough is looking for an Automation Apprentice to join their development programme. In this role, you will gain hands-on experience in PLC and SCADA systems, automated testing, and machine learning appl...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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Senior Python Data Engineer — AI Connectors (Remote UK)

Company IconClickHouse
Location Icon

ClickHouse is hiring a Senior Software Engineer specializing in Python and the Data Ecosystem to enhance our data engineering processes. This remote role emphasizes building integrations with orchestration platforms, ensuring high performance and...Read More>>.

Posted: June 8th, 2026
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Lead AI & Data Engineer — Java, AWS, Agentic AI

Company IconJPMorganChase
Location IconGlasgow

JPMorganChase is seeking a Lead Software Engineer to join their Commercial & Investment Bank team in Glasgow, Scotland. This role involves designing and delivering advanced AI and data engineering solutions with a focus on stability and security....Read More>>.

Posted: June 13th, 2026
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Java POS Support Engineer – Hybrid London

Company IconTechaxis, Inc
Location IconLondon

Techaxis, Inc is seeking a Point of Sales Support Engineer to manage POS systems incidents and problem resolutions within retail environments. You will ensure timely issue resolution aligned with SLAs and support continuous improvement through ana...Read More>>.

Posted: June 13th, 2026
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Senior AI Engineer: GenAI & Python (Remote UK)

Company IconInfios US, Inc.
Location Icon

Infios US, Inc. is seeking a Senior AI Engineer in the United Kingdom to design and develop innovative AI-driven solutions. This remote role requires strong Python and AI skills, with a focus on collaboration and continuous improvement.As a...Read More>>.

Posted: June 15th, 2026
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Senior QA Engineer: Automation & API/UI Lead

Company IconMortgage Advice Bureau
Location IconEast Midlands

Mortgage Advice Bureau is seeking a Senior QA to join their Technology department in the East Midlands. This permanent and full-time position involves developing automated test frameworks to enhance the quality of a high-performance microservices...Read More>>.

Posted: June 15th, 2026
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Integration Engineer (Ruby on Rails) – Data & API Integrations

Company Icon慨正橡扯
Location IconWallingford

Role As an Integration Engineer, you will play a key part in building and maintaining the integrations that connect customer WMS systems to DexoryView, our data insights platform. Working closely with the engineering and integra...Read More>>.

Posted: June 16th, 2026
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Senior API Security Architect - Pre-Sales (Remote)

Company IconAkamai
Location Icon

Akamai is seeking a Senior Enterprise Security Architect to lead technical sales engagements and improve API security for clients. Responsibilities include managing pre-sales cycles, engaging with stakeholders, and advocating for effective cybersecur...Read More>>.

Posted: June 20th, 2026
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Senior ML Engineer (Python, AWS) - Remote UK

Company IconClient Server
Location IconCambridge

Client Server is seeking a Senior Machine Learning Engineer to enhance their UK team. In this role, you will work on innovative ML projects and collaborate closely with Data Scientists and Software Engineers.The company encourages flexible...Read More>>.

Posted: June 20th, 2026
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Lead AI/Python Engineer (+ Equity) at LightWork AI

Company IconJack & Jill/External ATS
Location IconLondon

Job Title Lead AI/Python Engineer Company Description LightWork AI - Fast-growing AI startup transforming real estate technology Location London, UK Job Description Join LightWork AI in L...Read More>>.

Posted: June 20th, 2026
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Lead Python AI/ML Cloud Engineer (AWS)

Company IconTwinThread
Location IconLondon

TwinThread in Greater London is seeking a Lead Software Engineer with strong expertise in AWS and Python. In this role, you will collaborate with Data Scientists to develop cloud-based frameworks for machine learning models, ensuring production re...Read More>>.

Posted: June 21st, 2026
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Remote Poker Backend QA Analyst (Contract)

Company IconFruition Group
Location Icon

Fruition Group is seeking a Test Analyst for a fully remote contract role focusing on the backend of a poker platform. The candidate should possess strong knowledge of poker and backend testing experience. You'll work closely with developers to de...Read More>>.

Posted: June 21st, 2026
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Lead Backend Engineer for AI-Driven Workflow Platform

Company IconMethod Resourcing Solutions Ltd
Location IconLondon

Method Resourcing Solutions Ltd is seeking a Lead Backend Engineer in London to help build the technical backbone of their AI platform. The role offers significant ownership and involvement in various aspects of system design and architecture....Read More>>.

Posted: June 21st, 2026
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AI-Driven Software Engineer for Contact Center (AWS Lex)

Company IconJava Script Works
Location IconLondon

A dynamic software company located in the City of London is looking for a skilled developer with expertise in TypeScript and AWS services, particularly in implementing DevOps best practices. The ideal candidate will write efficient code and advocate...Read More>>.

Posted: June 21st, 2026
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Founding Full-Stack AI Engineer (Python & TypeScript) | London, On-site

Company IconC&D Talent Advisory
Location IconLondon

About Our Client Our Client is a fast-growing AI company transforming customer service through AI-powered voice agents. Their technology enables businesses to automate calls, emails, WhatsApp conversations, bookings, paymen...Read More>>.

Posted: June 5th, 2026
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