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: May 2nd, 2026
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Senior Python Automation Engineer for AI & LLM Systems

Company IconResillion
Location IconGlasgow

Resillion is seeking a Senior Automation Tester (Python) to join their team in Glasgow. This role involves developing automation frameworks for AI systems, executing tests for conversational flows, and collaborating closely with product teams to ensu...Read More>>.

Posted: May 3rd, 2026
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Senior Automation Tester (Python) – Agentic AI & LLM Systems (Hybrid)

Company IconResillion
Location IconGlasgow

Senior Automation Tester (Python) – Agentic AI & LLM Systems (Hybrid) Contract Full Time / Part Time: Full Time At Resillion, our culture is built on a mindset of "if you see something, say something" —...Read More>>.

Posted: May 3rd, 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: May 29th, 2026
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Lead AI/ML Engineer (Python) – Cloud, MLOps & AWS

Company IconJ.P. MORGAN
Location IconLondon

A leading global financial services firm is seeking a Lead Software Engineer to join their Applied Artificial Intelligence and Machine Learning team. You will play a pivotal role in transforming operations by integrating innovative AI/ML solutions. T...Read More>>.

Posted: May 30th, 2026
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Lead AI/ML Software Engineer - Python & Cloud

Company IconJPMorgan Chase & Co.
Location IconLondon

JPMorgan Chase & Co. is seeking a Lead Software Engineer to join the Applied Artificial Intelligence and Machine Learning team. In this role, you will help transform operations by developing robust APIs and services using Python and AWS, while col...Read More>>.

Posted: May 30th, 2026
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Lead Software Engineer - Applied AI/ML Python Engineer

Company IconJPMorgan Chase & Co.
Location IconLondon

Join the Applied Artificial Intelligence and Machine Learning team as a Lead Software Engineer within Corporate and Investment Banking.You will play a pivotal role in transforming the operations of the w...Read More>>.

Posted: May 30th, 2026
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Lead Software Engineer - Applied AI/ML Python Engineer

Company IconJ.P. MORGAN
Location IconLondon

Job Description Join the Applied Artificial Intelligence and Machine Learning team as a Lead Software Engineer within Corporate and Investment Banking. You will play a pivotal role in transforming the operations of the wo...Read More>>.

Posted: May 30th, 2026
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Senior Java Engineer – AI‑Driven Cloud Platform, Equity

Company IconBehavox Limited.
Location IconLondon

Behavox Limited. is seeking a Senior Software Engineer (Java) to drive technical direction across core product domains in London. The role focuses on AI-assisted engineering and the design of complex systems, requiring strong expertise in Java and...Read More>>.

Posted: May 30th, 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: May 30th, 2026
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Senior Automation Tester - CI/CD, Selenium & API Automation

Company IconPublic Sector Resourcing, managed by AMS
Location Icon

The Public Sector Resourcing, managed by AMS, is seeking a Senior Automation Tester for a 12-month hybrid contract in Glasgow. This high-impact role focuses on transforming automation capabilities and improving test efficiency across a secure gove...Read More>>.

Posted: May 30th, 2026
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QA Engineer: Web, Mobile & API Quality Assurance

Company IconThe Financial Times Ltd
Location IconLondon

The Financial Times Ltd is seeking a detail-oriented Quality Assurance (QA) Engineer to ensure high-quality digital experiences for its readers. You will play a key role across customer-facing teams, performing manual and exploratory testing, and...Read More>>.

Posted: May 30th, 2026
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Senior QA Automation Engineer - TDD, API & CI/CD

Company IconNTT DATA
Location IconLondon

RequirementsDue to the nature of the work/client, you must have or be eligible to gain SC Clearance,Must have excellent written and verbal communication skills, experience working in Agile delivery teams using TDD with Ja...Read More>>.

Posted: May 30th, 2026
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Senior Python Engineer for AI SaaS – Remote/Hybrid UK

Company IconWhatsoninsheffield
Location Icon

Whatsoninsheffield is seeking a Software Engineer to join one of Europe’s fastest-growing B2B SaaS companies. You will work across the stack, mainly on Python backend, and will own your projects from design to deployment.The role offers a...Read More>>.

Posted: May 31st, 2026
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Senior Python Automation Engineer — Tools & Embedded QA

Company IconRoku, Inc.
Location IconCambridge

A global media technology company is seeking a Senior Software Engineer to join their software automation team in Cambridge. This role involves building and maintaining automation frameworks and tools for embedded devices with a strong focus on Pytho...Read More>>.

Posted: May 31st, 2026
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Lead AI/ML Platform Engineer (Python, AWS)

Company IconFairygodboss
Location IconLondon

Fairygodboss is seeking a Lead Software Engineer in Greater London to join the Applied Artificial Intelligence and Machine Learning team. The successful candidate will be integral to transforming operations at one of the world's largest banks. Res...Read More>>.

Posted: May 31st, 2026
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Senior Java Engineer – AI‑Driven Cloud Platform, Equity

Company IconBehavox
Location IconLondon

Behavox is looking for a Senior Software Engineer (Java) to lead technical direction across core product domains. This role involves deep hands-on Java engineering and architectural ownership.Join a high-performance organization in Canada w...Read More>>.

Posted: May 31st, 2026
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Lead Software Engineer - Applied AI/ML Python Engineer

Company IconFairygodboss
Location IconLondon

Join the Applied Artificial Intelligence and Machine Learning team as a Lead Software Engineer within Corporate and Investment Banking. You will play a pivotal role in transforming the operations of the world's largest bank. You will collaborat...Read More>>.

Posted: May 31st, 2026
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Lead Python Engineer for AWS AI/ML in Production

Company IconJPMorgan Chase & Co.
Location IconLondon

JPMorgan Chase & Co. is seeking a Lead Software Engineer specializing in AWS and Python to develop and deploy innovative Machine Learning solutions. This role involves close collaboration with Data Scientists and technology teams, contributing to...Read More>>.

Posted: May 31st, 2026
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Lead Software Engineer - AI/ML Data Platforms - AI Engineer - Python

Company IconJob Search Place Limited
Location IconLondon

LONDON, United KingdomJob InformationJob IdentificationJob Category Software EngineeringBusiness Unit Commercial & Investment BankPosting Date 03/20/2026, 01:34 PMLocations 25 Bank Street, Canary...Read More>>.

Posted: May 31st, 2026
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Remote Senior Python QA Engineer for AI Systems (Docker)

Company IconMindrift
Location IconGlasgow

Mindrift is seeking a Senior Python Developer for project-based opportunities in Glasgow. This role focuses on creating functional tests for large codebases and requires strong Linux and Docker expertise.The ideal candidate will have over 5...Read More>>.

Posted: May 31st, 2026
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Contract QA Tester - API Automation in Agile (Hybrid)

Company IconSpectrum IT Recruitment
Location IconLondon

Spectrum IT Recruitment is seeking a Contract Software Tester to support a highly recognized end client in an Agile delivery environment. You will design and implement test strategies for complex digital products, ensuring high-quality functional...Read More>>.

Posted: May 31st, 2026
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Automation QA Tester: Agile, API & CI/CD

Company IconHandelsbanken
Location IconLondon

Handelsbanken is looking for an Automation Test Analyst to support their IT modernisation efforts in Greater London. This role involves driving multi-level testing of key system developments and ensuring business-critical features meet both custom...Read More>>.

Posted: May 31st, 2026
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Onsite London: Python QA Automation for AI Platform

Company IconEPAM Systems, Inc.
Location IconLondon

EPAM Systems, Inc. is seeking a skilled Python QA Automation Engineer in London for an onsite role. You will contribute to an AI-driven enterprise project, focusing on quality engineering for internal tooling.The role involves developing au...Read More>>.

Posted: May 31st, 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: May 31st, 2026
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Senior Full-Stack AI Engineer (Java/React) — Lead Architect

Company IconOpus Recruitment Solutions
Location Icon

A fast-growing tech firm is seeking a Senior Full Stack Developer to work on AI-powered tools that support critical decision-making. You'll handle a React frontend and Java/Spring Boot backend, guiding architecture, mentoring developers, and driving...Read More>>.

Posted: May 31st, 2026
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Senior QA Engineer - Hybrid, Automation & API Testing Lead

Company IconFutureheads Recruitment | B Corp™
Location IconLondon

A leading consulting firm is seeking a Software Quality Engineer for a 12-month contract in London. The ideal candidate will work remotely and onsite, lead testing efforts, and mentor team members. Candidates should possess experience in functional a...Read More>>.

Posted: May 31st, 2026
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Mid - Senior Full Stack Engineer // Node.js, Next.js, TypeScript & AWS // Salary range £60K - £[...]

Company IconOwen Thomas | Pending B Corp™
Location IconLondon

Mid - Senior Full Stack Engineer // Node.js, Next.js, TypeScript & AWS // Salary range £60K - £90K // Tech For Good - E-Commerce - Start Up // LDN (Hybrid 3 days per week)I am currently working with an exciting tech for good e-commerce...Read More>>.

Posted: May 31st, 2026
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Remote ML Engineer — NLP/LLM with Python & PyTorch

Company IconEnigma
Location Icon

A cutting-edge AI company is seeking a Machine Learning Engineer to work remotely across Europe. You will play a key role in enhancing an integrated AI assistant, tackling challenges in evaluating retrieval systems and designing benchmarks. Candidate...Read More>>.

Posted: May 31st, 2026
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Machine Learning Engineer | Python | Pytorch | Natural Language Processing | LLM | Large Langua[...]

Company IconEnigma
Location Icon

Machine Learning Engineer | Python | Pytorch | Natural Language Processing | LLM | Large Language Models | Remote, Europe Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Enigma...Read More>>.

Posted: May 31st, 2026
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Senior Software Engineer – AI-Driven API & Automation

Company IconTRIA
Location Icon

A global, data-driven technology firm is seeking a Senior Software Engineer to join a dynamic team. This position offers significant autonomy and aims to push technical boundaries. The ideal candidate will have a passion for software engineering and...Read More>>.

Posted: May 31st, 2026
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Senior Lead Software Engineering - Python, Cloud, AI ML

Company IconJPMorgan Chase & Co.
Location IconLondon

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board.Job DescriptionWe have an opportunity to impact your career and provide an adventure where you can push the limits of what's possib...Read More>>.

Posted: May 31st, 2026
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Senior Lead Software Engineering - Python, Cloud, AI ML

Company IconJ.P. MORGAN
Location IconLondon

Job Description J.P. MorganChase is seeking a Senior Software Engineer with expertise in AWS and Python, and a passion for Machine Learning, to help engineer and deploy innovative ML solutions into production. You will join...Read More>>.

Posted: May 31st, 2026
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Quality Assurance Developer - AI Trainer in Manchester - DataAnnotation

Company IconJava Script Works
Location IconManchester

RequirementsWe require candidates to be proficient in either Python and/or JavaScript. You should have proficiency in at least one programming language/framework (such as JavaScript, TypeScript, Python, C, C#, C++, HTML/CSS, React, Go,...Read More>>.

Posted: May 31st, 2026
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Senior Algo Developer (Java, Low Latency, FX) 1-year Contract - Inside IR35 - £920per day - Hyb[...]

Company IconHawksworth
Location Icon

Senior Algo Developer (Java, Low Latency, FX) 1-year Contract - Inside IR35 - £920 per day - Hybrid working/ London 1 day ago Be among the first 25 applicants. Get AI-powered advice on this job and more exclusive features. Direct mess...Read More>>.

Posted: May 31st, 2026
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Lead Python & AWS AI/ML Cloud Engineer

Company IconJ.P. Morgan
Location IconLondon

A global financial services firm is seeking a Lead Software Engineer who specializes in AWS and Python, focusing on innovative machine learning solutions. This position requires collaboration with data scientists and engineering communities to develo...Read More>>.

Posted: May 31st, 2026
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Lead Software Engineer – AI/ML, Python & React on AWS

Company IconJPMorganChase
Location IconLondon

A global financial services firm in Greater London is seeking a Lead Software Engineer specializing in Python and React. The role involves working within a high-growth team to improve loan management platforms with AI/ML functionalities. Candidates s...Read More>>.

Posted: May 31st, 2026
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Senior Python AI Engineer — ML, Infrastructure & Deployment

Company IconJust Eat Takeaway.com
Location IconLondon

A leading global online food delivery marketplace is looking for a Senior Engineer to join their Enterprise AI team. In this dynamic role, you will design and deploy AI-powered solutions, optimize data pipelines, and lead technical projects. The idea...Read More>>.

Posted: May 31st, 2026
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Senior Python AI Engineer — ML/AI Infrastructure Lead

Company IconJust Eat Takeaway.com
Location IconFleet

A leading online food delivery company in the UK is hiring a Senior Engineer to join their Enterprise AI team. You will design, develop, and deploy scalable AI applications, guide projects, and mentor team members. Ideal candidates should have strong...Read More>>.

Posted: May 31st, 2026
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Lead Software Engineer - AI/ML Data Platforms - AI Engineer - Python

Company IconJ.P. MORGAN
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...Read More>>.

Posted: May 31st, 2026
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Lead Software Engineer - AI/ML Data Platforms - AI Engineer - Python

Company IconJPMorgan Chase & Co.
Location IconLondon

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 integral part of a...Read More>>.

Posted: May 31st, 2026
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Senior Python AI/ML Engineer - Real-Time Trading (Remote)

Company IconStanford Black Limited
Location Icon

A financial technology firm in the UK is seeking an experienced Software Engineer to join their team focused on AI and machine learning. This fully remote role involves building high-performance trading systems and collaborating with a diverse team o...Read More>>.

Posted: May 31st, 2026
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