Senior Software Engineer (Infrastructure) at well-funded Series B AI startup

Company IconJack & Jill/External ATS
Location IconLondon

Senior Software Engineer This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Co...Read More>>.

Posted: June 6th, 2026
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AI-Driven Contract Lawyer & Legal Engineer

Company IconCanon Sphere
Location IconLondon

A global legal services provider in the UK is seeking a Contract Specialist Lawyer / Legal Engineer to join their AI Legal Engineering team. The successful candidate will integrate Generative AI into legal workflows, focusing on contract review and l...Read More>>.

Posted: June 6th, 2026
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Remote Senior HPC Cluster Architect — GPU AI Infra Lead

Company IconNexGen Cloud
Location IconLondon

Join NexGen Cloud as an HPC Cluster Architect, responsible for owning end-to-end architecture for large-scale NVIDIA GPU clusters. This senior role requires proven expertise in designing GPU-based HPC or AI clusters, strong knowledge of networking...Read More>>.

Posted: June 6th, 2026
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Senior Data Architecture Lead - Investment & Wealth (Hybrid)

Company IconUnited Cerebral Palsy of Georgia
Location IconLondon

United Cerebral Palsy of Georgia is looking for a Senior Manager - Data Architect to join its Technology & Transformation practice. This role involves designing data strategies for investment and wealth clients while leading high-performing teams...Read More>>.

Posted: June 6th, 2026
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Lead Solutions Architect (CTO level-FSI, DS/DE background)

Company IconDatabricks Inc.
Location IconLondon

Overview Req ID: FEQ126R19 Location: London Industry Sector: All verticals - Strategic Customers The Opportunity: Shaping The Future of Data & AI With Our Largest Customers Data &...Read More>>.

Posted: June 6th, 2026
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Cloud, AI & Platform Assurance Lead (Engineering, Architecture & Transformation)

Company IconAstrum Search
Location IconLondon

Cloud, AI & Platform Assurance Lead (Engineering, Architecture & Transformation) Hybrid / London office based Generous salary + bonus + excellent benefits Astrum Search is delighted to be supporting a leading quantita...Read More>>.

Posted: June 6th, 2026
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Full-Stack Web Engineer for AI-Driven Experiences

Company IconPrime Video & Amazon MGM Studios
Location IconLondon

DescriptionCome build the future of entertainment with us. Are you interested in shaping the future of movies and television? Do you want to define the next generation of how and what Amazon customers are watching? Prime Video is a fir...Read More>>.

Posted: June 6th, 2026
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Lead ML Manager — Credit Risk & Borrowing

Company IconMonzo Bank
Location IconLondon

A leading digital bank in London is seeking a Borrowing Machine Learning Scientist to enhance credit risk modeling through innovative machine learning solutions. The role involves managing a team, collaborating with cross-functional stakeholders, and...Read More>>.

Posted: June 6th, 2026
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AI Architecture Lead & Senior Developer

Company IconUniversities Superannuation Scheme (Ltd)
Location IconLondon

Universities Superannuation Scheme (Ltd) is looking for a Senior Analyst Developer - AI Lead to provide technical guidance on AI solutions within the Investment Organisation. This key role ensures AI initiatives align with architectural principles an...Read More>>.

Posted: June 6th, 2026
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Full-Stack React & Python Engineer (Next.js/TS)

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a talented Full Stack Next.js / Python Developer in Greater London. The ideal candidate will have strong expertise in Next.js, Python, mySQL, and experience with React and React Native. This role involves building dynamic...Read More>>.

Posted: June 6th, 2026
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Founding DevOps & SRE Engineer — Scale AI Infra (Equity)

Company IconRequesty
Location IconLondon

Requesty is seeking an experienced infrastructure manager to lead CI/CD and Kubernetes management in London. You will influence product development while building robust, scalable infrastructure for AI-first companies.With over 5 years of e...Read More>>.

Posted: June 6th, 2026
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Food Service Design Manager - Global Data Center Kitchens

Company IconJob Search Place Limited
Location IconLondon

CBRE Group, Inc. is seeking a Food Service Design Manager for Data Center environments in Greater London. You will lead the design of operational food spaces, ensuring compliance and alignment with client objectives.Ideal candidates shou...Read More>>.

Posted: June 6th, 2026
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Hybrid Cloud & Platform Assurance Lead – AI & Performance

Company IconAstrum Search
Location IconLondon

Astrum Search is seeking a Cloud, AI & Platform Assurance Lead to work in a hybrid capacity or from the London office. This senior role involves leading assurance reviews across various technology domains while working closely with engineering lea...Read More>>.

Posted: June 6th, 2026
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Senior Staff Machine Learning Engineer, Content Platform

Company IconSpotify
Location IconLondon

We design Spotify’s consumer experience—end to end, moment to moment, across every screen, platform, and partner integration. Our mission is to make listening feel effortless, personal, and joyful for billions of users around the world. Tha...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer (Python/Java, AWS) – Onsite, UK Defence

Company IconSanderson Government & Defence
Location IconLondon

A leading firm in Defence and National Security is seeking a Senior Software Engineer skilled in Python or Java and AWS, to deliver on a secure government programme based in London, Manchester, or Cheltenham. The position is primarily on-site, with t...Read More>>.

Posted: June 6th, 2026
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Graduate Platform Engineer - Cloud, AI & Automation

Company IconLean Tree
Location IconLondon

Lean Tree, a Business Transformation Consultancy, seeks a technically gifted graduate to join their Platform Engineering team. This role focuses on supporting design and maintenance of scalable cloud infrastructure while developing automation scri...Read More>>.

Posted: June 6th, 2026
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Lead Technical Architect Java AWS Agentic AI

Company IconClient Server
Location IconLondon

Lead Technical Architect Java AWS Agentic AI (PR/100779) London, England Apply with Indeed Salary: GBP100000 - GBP130000 per annum + bonus + benefits Lead Technical Architect (Java AWS Agentic AI) London / WFH to £130k...Read More>>.

Posted: June 6th, 2026
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Senior React Native Engineer | Scale Global Fintech App

Company IconJack and Jill AI
Location IconLondon

A high-growth fintech platform in London is seeking a Senior React Native Engineer to join their team. In this role, you will develop high-performance mobile features using React Native for diverse international markets. The ideal candidate will have...Read More>>.

Posted: June 6th, 2026
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Backend Engineer – Real-Time Voice AI Platform

Company IconJack & Jill/External ATS
Location IconLondon

A voice AI startup based in London is seeking a Backend Engineer to join their team. As the second backend engineer, you'll own the core API platform, designing scalable infrastructure for real-time voice interpretation. Expertise in Python is essent...Read More>>.

Posted: June 6th, 2026
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Cloud Security Architect – AI-Driven, Multi-Cloud

Company IconCheckout Ltd
Location IconLondon

Checkout Ltd is looking for a Cloud Security Engineer in Greater London to enhance their cloud security posture. You will work across AWS, Azure, and GCP, leading security integration projects and partnering with engineering teams to automate comp...Read More>>.

Posted: June 6th, 2026
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Founding Product Engineer (£70k-£120k + Equity) at YC-backed AI-native code review platform

Company IconJack & Jill
Location IconLondon

Job Title Founding Product Engineer Salary £70k-£120k + Equity Company Description YC-backed AI-native code review platform with funding from Sequoia India and Vercel execs Location Lon...Read More>>.

Posted: June 6th, 2026
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Senior Database Architect - Hedge Fund Data & Security

Company IconQuant Capital
Location IconLondon

Quant Capital is seeking a Senior Database Specialist to join their team in London. This full-time role requires proficiency in databases and programming skills including Python and Java. Key responsibilities involve working with technologies like...Read More>>.

Posted: June 6th, 2026
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AI-First Front-End Engineer — Remote & High-Impact

Company IconRETAIL CIRCLE
Location IconLondon

RETAIL CIRCLE is seeking a Front-end Developer to work primarily with Claude, focusing on building modules for luxury merchants' Operating System. The role involves both web and mobile development using React, Next.js, and Expo.Ideal candid...Read More>>.

Posted: June 6th, 2026
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Senior Security Architect — Cloud, AI & Secure Gov

Company IconSynapri
Location IconLondon

Synapri is seeking an experienced Security Architecture Leader for a 12-month hybrid role based in London, involving occasional site visits to Glasgow. The candidate will lead security architecture for large-scale cloud and workspace programs with...Read More>>.

Posted: June 6th, 2026
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GCP Platform Architect | IaC, Vertex AI & BigQuery

Company IconSugama Technologies LTD
Location IconLondon

Infrastructure as Code (IaC):o Design, implement, and manage infrastructure as code using Terraform for GCP environments.o Ensure infrastructure configurations are scalable, reliable, and follow best practices....Read More>>.

Posted: June 6th, 2026
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AI Security Specialist

Company IconLloyds Banking Group
Location IconLondon

JOB TITLE: AI Security Specialist SALARY: £72,702 - £85,000 per annum (outside London) £84,051 - £95,000 per annum (London) LOCATION: Leeds, Bristol, Edinburgh, Manchester, London HOURS:...Read More>>.

Posted: June 6th, 2026
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GenAI Creative Technologist for European Campaigns

Company IconPrime Video & Amazon MGM Studios
Location IconLondon

Prime Video & Amazon MGM Studios in the UK seeks an experienced Digital Creative Technologist to develop marketing campaigns for their streaming service. The role involves overseeing the creation of marketing assets, utilizing Gen-AI technology, and...Read More>>.

Posted: June 6th, 2026
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Senior Python Developer - Trading & Risk Platforms (Hybrid)

Company IconScaleneWorks People Solutions LLP
Location IconLondon

ScaleneWorks People Solutions LLP is seeking an experienced Sr Python Developer to build backend applications and data processing logic for trading and risk platforms in London. This hybrid role requires 7-12 years of experience, with a strong backgr...Read More>>.

Posted: June 6th, 2026
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Strategic AI Engineer for End-to-End Customer Solutions

Company IconCognition
Location IconLondon

A leading AI lab in the UK is seeking an experienced engineer to own implementations with strategic customers and improve product offerings based on customer insights. Candidates should have a strong engineering background, ideally with experience in...Read More>>.

Posted: June 6th, 2026
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HR Systems Lead: iTrent & Data Quality

Company IconJames Andrew Recruitment Solutions (JAR Solutions)
Location IconLondon

James Andrew Recruitment Solutions (JAR Solutions) seeks a candidate to lead the management of the HR information system (iTrent) in Greater London. The role involves collaboration across departments to ensure system improvements and compliance wi...Read More>>.

Posted: June 6th, 2026
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Senior ML Engineer - End-to-End Per-User Fine-Tuning

Company IconDashdash, Inc.
Location IconLondon

Dashdash, Inc. is looking for an engineer to set up a personalized fine-tuning pipeline on Versey. You will work remotely, ideally during London-friendly hours, and earn a rate of $70–95/hr. The role involves managing fine-tuning processes using...Read More>>.

Posted: June 6th, 2026
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Front Office Python Engineer | Commodities Trading | £700-£750 Inside IR35 | 6 months rolling |[...]

Company IconVirtueTech Recruitment Group
Location IconLondon

A Front Office Python Engineer is required for a large, complex commodity trading organisation undertaking a strategic incorporation of Python into their Front Office IT. This role will take front office built mock ups and strategically...Read More>>.

Posted: June 6th, 2026
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Backend Engineer: Real-Time AI Voice for NHS

Company IconJack & Jill/External ATS
Location IconLondon

A healthcare technology company in Borehamwood is seeking a Backend Software Engineer to develop AI-powered voice agents for NHS patient triage. You will design scalable backend systems in Node.js and optimize AWS infrastructure for real-time patient...Read More>>.

Posted: June 6th, 2026
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Remote GenAI Engineer for Production-Ready FinTech

Company IconGravitas Recruitment Group (Global) Ltd
Location IconLondon

Gravitas Recruitment Group (Global) Ltd is looking for a Forward-Deployed Engineer (GenAI) to create impactful AI solutions in the financial sector. The role involves collaborating with clients, prototyping AI implementations, and guiding through...Read More>>.

Posted: June 6th, 2026
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Senior HRI Designer: Shape Human–Robot Interaction & UI

Company IconGroupe-Ebra-1
Location IconLondon

Groupe-Ebra-1 is seeking a Senior Human-Robot Interaction (HRI) Designer to define user interactions with humanoid robots. You'll lead the design of behaviors, motion cues, and communication patterns, ensuring usability and trust.This role...Read More>>.

Posted: June 6th, 2026
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Graduate Software Engineer - Mentored in Cutting-Edge Tech

Company IconSusquehanna International Group, LLP
Location IconLondon

Susquehanna International Group, LLP is searching for talented Software Development Graduates to join their London office in September 2026. You will work closely with experienced technologists, participating in the development of innovative softw...Read More>>.

Posted: June 6th, 2026
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Senior Power Platform Engineer — Enterprise AI & Automation

Company IconAnson McCade
Location IconLondon

Anson McCade is seeking a Power Platform Engineer to join a leading Microsoft consultancy. This role focuses on engineering applications and solutions for major clients, involving hands-on work across the full solution lifecycle from design to sup...Read More>>.

Posted: June 6th, 2026
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AI Medical Content SME for Educator Validation

Company IconCactus Communications
Location IconLondon

Cactus Communications is looking for qualified medical educators to join our SME team in Greater London. This role involves evaluating and assessing AI-generated medical content to ensure it meets the pedagogical needs for medical education....Read More>>.

Posted: June 6th, 2026
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Lead Frontend Engineer – AI UI for Procurement (Equity)

Company IconJack & Jill/External ATS
Location IconLondon

A Sequoia-backed startup in London is seeking a Full Stack Engineer with a focus on front-end development (React) to join their high-caliber team. In this role, you'll lead the development of user-friendly interfaces for next-generation AI agents. Th...Read More>>.

Posted: June 6th, 2026
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Software Engineer III - React / TypeScript, Gen AI, Frontend

Company IconJ.P. MORGAN
Location IconLondon

Job Description We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III in the Securities Services team within the Commercial & Investment Bank...Read More>>.

Posted: June 6th, 2026
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Staff UX Content Designer, Global Business Applied AI

Company IconGoogle Inc.
Location IconLondon

Staff UX Content Designer, Global Business Applied AI corporate_fare Google place London, UK Bachelor's degree or equivalent practical experience. 8 years of experience in UX writing, content design, technical wri...Read More>>.

Posted: June 6th, 2026
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Senior IT Audit Lead: Cybersecurity & Data Privacy

Company IconMars
Location IconLondon

A global leader in consumer goods is looking for a Global IT Audit Senior Manager focused on Cyber Security and Data Privacy. This role involves overseeing complex IT internal audit projects and providing insights for annual audit plans. Applicants s...Read More>>.

Posted: June 6th, 2026
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Genomics ML Scientist – DNA Sequence Modelling

Company Iconrelationrx
Location IconLondon

A biotech company in London is seeking a Machine Learning Scientist to design and apply advanced machine learning techniques to DNA and genetic data. The ideal candidate will have a PhD in a relevant field and experience in applying machine learning...Read More>>.

Posted: June 6th, 2026
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Senior Data Analyst — Logistics & Commercial Insights

Company IconXcede Recruitment Solutions
Location IconLondon

Xcede Recruitment Solutions is looking for a Senior Data Analyst in London with a hybrid work model (4 days in-office). You will join a rapidly scaling tech business focused on improving logistics through data.This role requires expertise i...Read More>>.

Posted: June 6th, 2026
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Staff Cloud Security Architect — AI & Multi-Cloud Defense

Company IconPlayStation
Location IconLondon

PlayStation is seeking a highly experienced Cloud Security Engineer (Staff) to lead security architecture and strategy across multi-cloud environments. This role involves defining preventative security controls and influencing security practices a...Read More>>.

Posted: June 6th, 2026
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Hybrid Investment Risk Analyst

Company IconJupiter Fund Management
Location IconLondon

Jupiter Fund Management in Greater London is seeking a motivated individual for their Investment Risk Team. This role involves regulatory reporting, providing risk analysis, and ensuring quality control in reporting processes. The ideal candidate sho...Read More>>.

Posted: June 6th, 2026
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Senior Risk Analyst – Hybrid ERM & Stakeholder Insight

Company Icon慨正橡扯
Location IconLondon

Primary Details Time Type: Full time Worker Type: Employee Senior Risk Analyst Location: London / Hybrid Happy to talk flexible working What if you could use your risk expertise to strengthen decision...Read More>>.

Posted: June 6th, 2026
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Senior Catastrophe Risk Analyst - Cyber & Global Exposure

Company IconTokio Marine Kiln Insurance Services Limited
Location IconLondon

Tokio Marine Kiln Insurance Services Limited is seeking a Senior Catastrophe Risk Analyst for its Exposure Management team in London. This role focuses on delivering high-impact analytics and modelling for global catastrophe portfolios, primarily...Read More>>.

Posted: June 6th, 2026
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Senior InfoSec Risk Analyst

Company IconTrainline
Location IconLondon

Senior Information Security Risk Analyst As part of Trainline's Information Security (InfoSec) team, reporting to the GRC Manager, the Senior Information Security Risk Analyst will mature and maintain our risk management practices acro...Read More>>.

Posted: June 6th, 2026
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