AI-Driven Test Engineer: Build Frameworks & CI/CD

Company IconSaragossa
Location IconLondon

Saragossa, a world-leading hedge fund based in Greater London, is seeking a Dev in Test to design and implement innovative test frameworks. In this pivotal role, you'll not only enhance CI/CD pipelines but also run high-scale validation and perfor...Read More>>.

Posted: June 6th, 2026
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Junior C++ Engineer: Build High-Performance Data Systems

Company IconYoh, A Day & Zimmermann Company
Location IconNewbury

A leading engineering firm in Newbury is looking for a Graduate / Junior Software Engineer specializing in C++. This entry-level role offers an opportunity to work on performance-focused software and large data files. Candidates should have a strong...Read More>>.

Posted: June 6th, 2026
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Lead Backend Java Engineer — Build Scalable, Secure Apps

Company IconFairygodboss
Location IconLondon

Fairygodboss is seeking a Lead Software Engineer to join JPMorgan Chase's Commercial & Investment Bank team in Greater London. This role requires strong Java skills to develop innovative software solutions, enhance production code, and lead engine...Read More>>.

Posted: June 6th, 2026
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Lead AI Engineer - Build Next-Gen AI Systems

Company IconRavical
Location IconLondon

A pioneering AI-first company in the UK is seeking an AI/ML Developer to design and optimize innovative advisory products. The ideal candidate will have over 3 years of experience in AI/ML development, strong programming skills in Python, and familia...Read More>>.

Posted: June 6th, 2026
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Senior Data Platform Engineer - Build, Ship, Run (Hybrid)

Company IconJava Script Works
Location IconLondon

The core stack focuses on Python, TypeScript, GraphQL, AWS, and Kubernetes. However, we encourage breaking the mold and exploring new technologies if you believe they are superior.The role is hybrid... select the best solution and the te...Read More>>.

Posted: June 6th, 2026
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LLM AI Engineer — Build Next-Gen Products in London

Company IconGranola inc
Location IconLondon

A leading tech startup in London is searching for a passionate engineer to develop and apply LLM-based features. The role involves collaborating with a cross-functional team and interacting with users to create user-centric products. Candidates shoul...Read More>>.

Posted: June 6th, 2026
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Senior React Native Engineer: Build Scalable Mobile Apps

Company IconMrQ
Location IconSt Albans

MrQ is looking for a Senior React Native Developer in St Albans to build and enhance its mobile platform. The role involves developing cross-platform mobile applications, collaborating with cross-functional teams, and optimizing application performan...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack Engineer: Build & Own Scalable FinTech

Company IconApexon
Location Icon

A digital-first technology services firm in the UK is looking for a hands-on developer to create and enhance software products. The role involves designing RESTful APIs and managing databases, requiring strong Java and ReactJS skills. The ideal candi...Read More>>.

Posted: June 6th, 2026
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SC Cleared Offensive Security Engineer — Build Security Products

Company IconiO Associates
Location IconLondon

iO Associates is seeking an SC Cleared Offensive Security Engineer for a 6-month contract in London. This hybrid role requires 2-3 days onsite, focusing on building offensive security products and working on complex projects.The ideal candi...Read More>>.

Posted: June 6th, 2026
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Senior Java Payments Engineer — Build Secure, Scalable Systems

Company IconJPMorgan Chase & Co.
Location IconLondon

A global financial services firm in London is seeking a Software Engineer III to join an agile team in delivering secure and innovative technology solutions. The role involves executing software solutions, developing high-quality production code, and...Read More>>.

Posted: June 6th, 2026
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Graduate C++ Software Engineer: Build Next-Gen Devices

Company IconInnovate Recruitment Ltd
Location IconRedhill

A leading global technology solutions specialist in the United Kingdom is seeking recent graduates for the C++ Graduate Software Engineer position. In this role, you will be responsible for producing well-structured C++ software for advanced engineer...Read More>>.

Posted: June 6th, 2026
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Senior AI Engineer, Build In-House Agentic AI for Finance

Company IconLa Fosse
Location IconLondon

La Fosse is seeking a hands-on AI Engineer in Greater London to develop in-house AI capabilities for managing $50B+ in assets. You will create RAG systems, work with LLMs, and build production APIs using Python. Ideal candidates will have 1-2+ years...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer - Build Scalable, End-to-End Platform

Company IconEdjuster
Location IconLondon

Join a dynamic and fast-growing tech company that is transforming the way businesses manage their spending. As a software engineer, you will play a crucial role in scaling our innovative platform, working with cutting-edge technologies like AWS and T...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack Web Engineer — Build Scalable UX

Company IconRoku
Location IconManchester

Roku is looking for an experienced Sr. Software Engineer to support the development of privacy-enhancing technologies. You will be responsible for developing innovative solutions as a full-stack developer, engaging with emerging technologies, and wor...Read More>>.

Posted: June 6th, 2026
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Senior AI Engineer - Build AI-Driven Internal Automations

Company IconLendable
Location IconLondon

Lendable is looking for a hands-on AI Engineer to join their Internal Automation team in Greater London. In this role, you'll develop AI-powered integrations and tools to enhance efficiency across the company. The ideal candidate will have 4+ years o...Read More>>.

Posted: June 6th, 2026
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Senior AI Engineer - Build Scalable AI for Business Impact

Company IconRevelator Ltd
Location IconLondon

Revelator Ltd in Greater London is seeking a Senior AI Engineer to innovate AI solutions that drive business impact across various domains. The ideal candidate will have over 5 years of experience in AI/ML Engineering, strong skills in Python and Azu...Read More>>.

Posted: June 6th, 2026
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Senior Full Stack Engineer - Build Enterprise-Scale Software

Company IconPreservica
Location Icon

A leading software firm in Abingdon seeks a Full Stack Engineer with strong Front End skills in either React or Angular. This role involves the full software development lifecycle, integrating components into functional systems and working under Agil...Read More>>.

Posted: June 6th, 2026
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Mid-Level Software Engineer — Build Global Payments Platform

Company IconEBANX
Location IconTipton

EBANX is seeking a developer to join their team in Tipton, UK. The role involves writing and testing code for high-availability systems, conducting code reviews, and developing tools for team efficiency. Candidates should have proven software develop...Read More>>.

Posted: June 6th, 2026
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Senior Mobile App Engineer — Build Safe Digital Futures

Company IconInsider, Inc.
Location IconLondon

Insider, Inc. is looking for a Mobile App Engineer in London. In this role, you will develop and maintain Voop's mobile applications, engaging directly with users to ensure impactful technology. Collaborating closely with the CTO, you will take owner...Read More>>.

Posted: June 6th, 2026
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Remote Data Engineer - Build scalable data pipelines & BI

Company IconHomeServe UK
Location IconLondon

A pioneering startup under the HomeServe brand is seeking a Data Engineer to join their team. In this role, you will be responsible for building and managing data pipelines that provide timely and accurate information to support business analytics an...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack Engineer — Build DevTools (Remote, Equity)

Company IconClickHouse
Location Icon

A leading cloud analytics company in the UK is seeking a Senior Full Stack Engineer to enhance their HyperDX platform. This role involves building key product features and collaborating with the developer community while working with modern technolog...Read More>>.

Posted: June 6th, 2026
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Senior Fire Safety Lead: Fire Engineering & Building Risk

Company IconEssential Employment
Location IconLondon

Essential Employment is seeking a Fire Safety Technical Lead in Lambeth. This temporary role offers an initial pay of £281.02 per day PAYE. The successful candidate will provide strategic and operational technical leadership on fire safety across...Read More>>.

Posted: June 6th, 2026
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Senior Cloud & AI Engineer — Build Scalable AI Services

Company IconSoCode Recruitment
Location IconCambridge

A recruitment agency is seeking Senior and Principal Cloud/AI Engineers in Cambridge to work on scalable AI services, APIs, and tooling. Candidates will design cloud-native services on Azure and deploy AI models while collaborating in a fast-paced en...Read More>>.

Posted: June 6th, 2026
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Senior AI Engineer: Build & Scale Production AI in EdTech

Company IconVenturEd Solutions
Location IconLeicester

An innovative EdTech company in Leicester is looking for a Principal AI Engineer to lead the design and deployment of AI solutions across educational platforms. In this hybrid role, you will work hands-on with AI systems, collaborating with cross-fun...Read More>>.

Posted: June 6th, 2026
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AI‑First Product Engineer — Build Multimodal Agent Systems

Company IconSkippr
Location Icon

A leading AI startup in London is seeking a Product Engineer to join a dynamic team focused on innovative AI solutions. This role involves building scalable systems using modern technologies like FastAPI and React, shaping user interfaces for agent c...Read More>>.

Posted: June 6th, 2026
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Fibre Optic Engineer: Build & Maintain UK Fibre Networks

Company IconComex2000uk
Location IconLivingston

Comex2000uk in Livingston is seeking an experienced Fibre Optic Engineer to join their team. You will be responsible for the installation, maintenance, and testing of fibre networks, ensuring the highest standards of performance and reliability....Read More>>.

Posted: June 6th, 2026
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Senior Product Engineer - Build Web Apps (Next.js/TS)

Company IconGigs
Location IconLondon

Gigs is looking for a seasoned professional to develop their consumer-facing hosted checkout and subscription management service. Ideal candidates should have extensive experience with React and TypeScript, with a focus on creating exceptional use...Read More>>.

Posted: June 6th, 2026
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Founding AI Engineer - Build Production-Grade AI Platforms

Company IconHarrington Starr
Location IconLondon

Harrington Starr, a leading global investment firm, seeks a Founding AI Engineer to build and shape their AI capabilities from the ground up. This role offers autonomy and the opportunity to influence AI strategy and architecture within a high-imp...Read More>>.

Posted: June 6th, 2026
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Customer Care Team Lead - Build Scalable Support Engine

Company IconITAC Solutions
Location IconBirmingham

ITAC Solutions in Birmingham is seeking an experienced individual to build and manage a customer support function for a transformative payment platform. This high-impact role involves diagnosing technical issues, creating knowledge base content, and...Read More>>.

Posted: June 6th, 2026
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C# Software Engineer - Build Scalable, High-Impact Systems

Company IconAdria Solutions Ltd
Location IconManchester

A leading technology provider in the UK is seeking a C# Software Engineer to design and deliver high-quality solutions across client platforms. You will play a key role in developing scalable systems, enhancing features, and contributing to architect...Read More>>.

Posted: June 6th, 2026
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Full-Stack Software Engineer - Build Scalable SaaS & APIs

Company IconPTC Inc.
Location IconCambridge

PTC Inc. is seeking a Full Stack Software Engineer in Cambridge, UK, to design and build high-quality scalable software solutions. The ideal candidate will have a minimum of 3 years in software development and experience with TypeScript, Node.js,...Read More>>.

Posted: June 6th, 2026
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Lead React UI Engineer: Build Scalable Frontend Solutions

Company IconJPMorganChase
Location IconGlasgow

JPMorgan Chase is seeking a Lead Software Engineer to join the award-winning Vida team in Glasgow. In this role, you will influence and enhance market-leading technology products focusing on security and scalability. You'll be responsible for exec...Read More>>.

Posted: June 6th, 2026
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Open-Source ML Engineer: Build & Elevate AI Models

Company IconMistral AI
Location IconLondon

Mistral AI in London is looking for an open-source software team member responsible for releasing models and improving open-source libraries. You'll collaborate with engineering and marketing teams, making significant contributions to our AI ecosy...Read More>>.

Posted: June 8th, 2026
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Senior PHP Product Engineer - Build APIs & Lending Platform

Company IconLendable
Location Icon

Lendable is seeking a Senior Product Engineer to join their team in the UK. In this role, you'll innovate by building new APIs and optimizing lending platforms, engaging in architectural discussions. Ideal candidates will have modern PHP experienc...Read More>>.

Posted: June 8th, 2026
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Senior AI Engineer — Build the AI Brain for Private Capital

Company IconCapsa AI
Location IconLondon

Capsa AI is looking for a Senior AI Engineer in London, UK, to design and ship core AI capabilities critical for investment decisions. The engineer will work directly with founding engineers to create impactful solutions at a rapidly growing AI fi...Read More>>.

Posted: June 10th, 2026
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Senior Security Engineer: Build AI-Driven Security Tools

Company IconHopper
Location Icon

Hopper is looking for a Senior Security Engineer to own the security tooling and automation that keeps our applications secure. This role demands a proactive approach, working closely with engineering teams to create secure development practices a...Read More>>.

Posted: June 10th, 2026
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Senior Full-Stack Engineer: Build Scalable SaaS Platforms

Company IconPTC
Location IconCambridge

PTC in Cambridge, England, is searching for a Full Stack Software Engineer to design, build, and maintain scalable software solutions. The ideal candidate will have over 5 years of experience, strong proficiency in TypeScript and Node.js, and a so...Read More>>.

Posted: June 11th, 2026
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Senior Full-Stack Engineer: Build Scalable, Impactful Apps

Company IconZinc
Location IconLondon

Zinc is expanding its engineering team in London with a Senior Full Stack Engineer role. This position focuses on shaping the technical direction, building features, and influencing system architecture, all while ensuring a high-quality product fo...Read More>>.

Posted: June 12th, 2026
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Senior AI Engineer — Build Production AI Systems (Hybrid)

Company IconKennedy Pearce Consulting
Location IconLondon

Kennedy Pearce Consulting is seeking Senior and Lead AI Engineers in London to join a pioneering AI team within a prominent investment business. This role includes designing scalable AI systems, developing applications, and collaborating with busi...Read More>>.

Posted: June 15th, 2026
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Senior Full-Stack Engineer: Build Scalable Web Apps

Company IconKaleida
Location IconTrafford

Kaleida is seeking a Senior Full-Stack Software Engineer in Trafford, United Kingdom. This role involves developing scalable software solutions and working with technologies like ASP.NET MVC and Angular.The ideal candidate will have over 7...Read More>>.

Posted: June 15th, 2026
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NET Full-Stack Engineer: Build Modern Digital Solutions

Company IconCapgemini
Location IconGlasgow

Capgemini in Glasgow is looking for a C#/.NET Full Stack Engineer to create innovative digital solutions for clients. You will work on various projects, utilizing technologies like ASP.NET Core, C#, and cloud services. Join a collaborative team an...Read More>>.

Posted: June 15th, 2026
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Staff AI Engineer: Build Production LLMs & Agent Systems

Company IconDex
Location Icon

Dex is seeking a skilled AI product developer to create backend services and improve AI workflows. With a focus on customer-facing products, you will be instrumental in embedding AI into core engineering processes.The ideal candidate has ov...Read More>>.

Posted: June 19th, 2026
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Senior Legal AI Engineer - Build Scalable Legal Automation

Company IconKennedys
Location IconManchester

Kennedys is seeking a Senior Legal Engineer located in Manchester, United Kingdom. This role focuses on designing, building, and configuring technology-enabled legal solutions to transform legal work at the firm.The ideal candidate will hav...Read More>>.

Posted: June 19th, 2026
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Senior Frontend Engineer: Build ML UIs (Hybrid, London)

Company IconSimple Machines
Location IconLondon

Simple Machines is seeking a Senior Frontend Engineer in London to work on innovative projects involving complex data systems. You'll collaborate with a talented team to develop user interfaces for machine-learning applications.The ideal ca...Read More>>.

Posted: June 19th, 2026
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Senior Security Engineer: Build AI-Powered Security Tools

Company IconHopper
Location IconLondon

Hopper is seeking a Senior Security Engineer who will own the tooling and processes that secure applications throughout their lifecycle. This role is pivotal in shaping a security-first development culture and will involve extensive coding, automa...Read More>>.

Posted: June 20th, 2026
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Senior ML Engineer: Build Production AI Systems (Equity)

Company IconUnderstanding Recruitment
Location IconLondon

Understanding Recruitment is seeking a Senior Machine Learning Engineer to join a fast-growing AI startup. You'll design and build production-ready AI systems that address complex business challenges with significant ownership and influence over p...Read More>>.

Posted: June 20th, 2026
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Remote Software Engineer – Build scalable, member-first services

Company Icon慨正橡扯
Location IconUxbridge

慨正橡扯 is seeking a passionate software engineer to join their team in Uxbridge. This full-time position emphasizes a collaborative work environment, utilizing modern development practices to enhance the broadband experience for members....Read More>>.

Posted: June 20th, 2026
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Graduate Software Engineer: Build with AI, Own end-to-end

Company IconWeTransfer
Location IconLondon

WeTransfer in London is looking for talented individuals to build impactful systems and integrate AI into their workflows. You will work in autonomous teams, solving complex problems and improving architecture.The position offers competitiv...Read More>>.

Posted: June 21st, 2026
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Senior AI Engineer: Build Real-World Autonomous AI

Company IconSivara GmbH
Location IconManchester

Sivara GmbH is seeking a hands-on Senior AI Engineer in Manchester to build real-world AI systems that create measurable impacts across customer journeys. You will design and integrate AI applications, collaborating across teams to ensure success...Read More>>.

Posted: June 21st, 2026
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Internal Tooling Engineer: Build Fast, High‑Impact Tools

Company IconCambridge Aerospace
Location IconCambridge

Cambridge Aerospace is seeking a Software Engineer (Internal Tooling) in Cambridge to enhance hardware efficiency through internal tool development. You will work closely with hardware and test teams, identifying bottlenecks and delivering MVP sol...Read More>>.

Posted: June 22nd, 2026
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