Full Stack Engineer C# TypeScript - AI Start-up

Company IconClient Server
Location IconLondon

Overview In this role you will contribute to building AI-enabled SaaS products within a scaling startup backed by a prominent bank. You work closely with the CTO and product team to translate ideas into working MVPs, leveraging AI to accele...Read More>>.

Posted: October 22nd, 2026
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Senior Software Engineer, SciComp — Scalable AI & Data Systems

Company IconThe Ellison Institute Of Technology (eit)
Location IconOxford

The Ellison Institute Of Technology (EIT) is seeking a Senior Software Engineer to join the SciComp team in the UK. You will design and build robust services powering scientific applications, integrating ML inference servers, hardware interfaces,...Read More>>.

Posted: October 22nd, 2026
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Senior Data Engineer: Build Platform & AI for Net Zero

Company IconOctopus Energy Group
Location IconLondon

Octopus Electric Vehicles is seeking a Senior Data Engineer to lead and evolve our data platform and pipelines, delivering reliable data foundations for analytics and ML workloads. You’ll work across squads to ingest data, optimize architecture,...Read More>>.

Posted: October 22nd, 2026
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Lead Data Security Engineer: Scale Data & AI Security

Company IconJust Eat Takeaway.com
Location IconDartford

Just Eat Takeaway.com is seeking a Lead Data Security Engineer to define the security North Star for a cloud-native platform used by millions. You will partner with data teams to embed security into data handling, classification, and governance, e...Read More>>.

Posted: October 22nd, 2026
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Senior Software Engineer - Open-Source AI Inference & vLLM

Company IconCommonAI Holdings Ltd
Location IconCambridge

CommonAI CIC is seeking a Senior Software Engineer to help deploy, extend and optimise vLLM and related inference engines for our AI infrastructure projects. You will work across the Scaling Inference Lab and the High Assurance programme to drive...Read More>>.

Posted: October 22nd, 2026
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Senior Software Engineer - Cloud-Native AI & Data Platforms

Company IconSky
Location IconLondon

Sky is seeking a Senior Software Developer to join the UK Tech team. You will design, build, and evolve software platforms and data products enabling analytics, automation, and AI-driven decisions across Sky’s networks.You will work with...Read More>>.

Posted: October 22nd, 2026
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Senior ML Platform Engineer - Real-Time AI & Scale

Company IconTeya
Location IconLondon

Teya in London is seeking a Senior ML Engineer to join the Data team and help shape our growing ML platform. You will design, deploy and operate ML services for batch and real-time inference, and contribute to architecture and data product thinkin...Read More>>.

Posted: October 22nd, 2026
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Hybrid Senior Solutions Engineer - Public Sector AI & Data

Company IconSAS
Location IconMarlow

SAS in Marlow (UK) is hiring a Sr Solution Engineer for the Public Sector. You will work with Central Government and Defence & Policing, translating analytics and AI into real-world outcomes, and lead technical engagements across client teams....Read More>>.

Posted: October 22nd, 2026
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Rust Engineer | Rapidly Growing AI Start-Up | London

Company IconOho Group
Location IconLondon

Rust Engineer or C++ / Python / Java / C# / Go Engineer who is keen to to work in Rust required to join a rapidly-growing, London based AI start-up to build software powering the next generation of autonomous systems. The company is in an excit...Read More>>.

Posted: October 22nd, 2026
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Senior Software Engineer — Own Scalable, AI‑Driven Services

Company IconZuto
Location IconManchester

Zuto in Manchester is seeking a Senior Software Engineer to take genuine ownership from design to production and beyond. You’ll shape scalable event-driven services, deploy new features and monitor live systems, using AI-assisted development to...Read More>>.

Posted: October 22nd, 2026
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Foundation Models Research Engineer – Data-Driven AI Lab

Company IconEllison Institute of Technology Oxford
Location IconOxford

Ellison Institute is seeking a senior researcher to advance foundation models for autonomous laboratory workflows in Oxford. You will examine how data, model architecture, and training stages influence end-to-end scientific performance and guide p...Read More>>.

Posted: October 22nd, 2026
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Senior ML Engineer: Production-Scale AI & Cloud Leader

Company IconFaculty Science Limited
Location IconLondon

Faculty is seeking a Senior Machine Learning Engineer to lead the development and deployment of cutting-edge AI systems for diverse clients. You’ll design production-grade ML software, scalable infrastructure and robust pipelines that meet ethic...Read More>>.

Posted: October 22nd, 2026
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Lead Application Security Engineer — Shift-Left & AI Security

Company IconAnthropic
Location Icon

Anthropic is seeking an experienced Application Security Engineer to embed security into the software development lifecycle. You will partner with engineers and researchers to proactively identify risks through threat modeling and secure design re...Read More>>.

Posted: October 22nd, 2026
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Data Engineer: Build the AI-Driven Fintech Data Platform

Company IconSaturn
Location IconLondon

Saturn, a Series A fintech in London, is building an AI-native operating system for financial advice. You’ll design and maintain production data pipelines that feed product, AI, and reporting systems, ensuring data is accurate, timely and truste...Read More>>.

Posted: October 22nd, 2026
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Senior Backend Engineer — Hybrid London (AI-Powered Platform)

Company IconFresha
Location IconLondon

Fresha is seeking a Senior Backend Engineer in London to design and build the backend services powering our booking, POS and payments platform. You will work on a modular, AI-assisted engineering stack and own features end to end from conception t...Read More>>.

Posted: October 22nd, 2026
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Global Data Engineering Lead — Cloud & AI Platform (SVP)

Company IconCiti
Location IconNorthern Ireland

Citi is seeking a senior data engineer to lead cloud-native data services using Databricks and Spark on AWS. You will drive migration to Databricks, optimize performance, and mentor engineers across the GRU tech space.You will shape enterpr...Read More>>.

Posted: October 22nd, 2026
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Senior Lead Software Engineer – Python, AWS & AI-Driven

Company IconJPMorgan Chase & Co.
Location IconLondon

JPMorgan Chase & Co. is seeking a Senior Lead Software Engineer to join the Credit data pond team within Wholesale credit risk technology.You will guide technical direction, develop secure production code, and establish enterprise-wide AI-a...Read More>>.

Posted: October 22nd, 2026
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Marketing Data Engineering Manager: Lead AI‑Ready Pipelines

Company IconSquare Enix
Location IconLondon

Square Enix is seeking a Manager, Data Engineering (Marketing) to lead regional engineering delivery for marketing and customer data platforms, aligning with global architecture and standards. You will translate business needs into scalable data c...Read More>>.

Posted: October 22nd, 2026
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Lead Software Engineer: Java, AWS & AI-Driven Cloud

Company IconAumni
Location IconGlasgow

JPMorganChase in the Corporate Technology team seeks a Lead Software Engineer to deliver trusted, market-leading technology products within an agile team. You will design, build, and support secure, scalable solutions while shaping team culture an...Read More>>.

Posted: October 22nd, 2026
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Senior Java Full-Stack Engineer — Hybrid, Cloud & AI

Company IconCapgemini Invent
Location IconGlasgow

Capgemini Invent is seeking Senior Full Stack Engineers to drive digital transformation across diverse client projects. You will design and implement Java microservices alongside modern front-end work with React, NodeJS, and RESTful services....Read More>>.

Posted: October 22nd, 2026
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Senior Full-Stack Engineer — Hybrid Work + AI Tools

Company IconQuantum
Location IconLondon

Quantum is seeking a Senior Full Stack Engineer to grow our Technology team in Greater London. You will help shape and scale our platform, delivering high-quality development across frontend and backend systems while mentoring teammates and drivin...Read More>>.

Posted: October 22nd, 2026
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Senior Software Engineer & Team Lead - AI-Driven Cloud

Company IconICONICS
Location IconDudley

Mitsubishi Electric Iconics Digital Solutions, Inc. seeks a Senior Software Engineer, Team Leader, to guide a cross‑functional team in Dudley, delivering production‑grade software across frontend, backend, and cloud infrastructure.You w...Read More>>.

Posted: October 22nd, 2026
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Senior Software Engineer: Real-Time AI SaaS Leader

Company IconConnexAI
Location IconManchester

ConnexAI in Manchester is seeking a senior software engineer to build real-time systems for billions of calls per year, shaping our SaaS platform with modern web technologies. You will own complex Node.js/TypeScript code, collaborate with Data Sci...Read More>>.

Posted: October 22nd, 2026
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Analytics Engineering Advocate - Europe (AI-Driven, Open Source)

Company IconLightdash
Location Icon

Lightdash in the United Kingdom is searching for an Analytics Engineering Advocate to enhance user satisfaction through empathetic support. In this role, you will aid teams with dashboard creation, SQL practices, and data modeling while driving ne...Read More>>.

Posted: October 22nd, 2026
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Senior ML Engineer — Multi-Modal AI, Flexible Hours

Company IconGlobal Ventures
Location IconLondon

Product & Technology · Proximie London Office · HybridSenior Machine Learning EngineerProximie is on a mission to improve healthcare by tra...Read More>>.

Posted: October 22nd, 2026
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Senior Software Engineer - Angular/TypeScript, AI-Driven, Hybrid

Company IconMarsh
Location IconGlasgow

Marsh is seeking an experienced Senior Software Engineer in the UK to design, develop, and support scalable software solutions. The role emphasizes hands-on contribution with Angular, TypeScript, and JavaScript, while applying AI ideas to improve...Read More>>.

Posted: October 22nd, 2026
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Senior ML Ops Engineer — Shape Production AI Platform

Company IconHarnham
Location Icon

Harnham is seeking an ML Ops specialist to own the infrastructure powering a suite of AI/ML services in production, collaborating with data scientists and software engineers.You will design and maintain production-grade orchestration pipeli...Read More>>.

Posted: October 22nd, 2026
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Senior Full-Stack Engineer: SaaS Platform & AI Video

Company IconSundaySky
Location Icon

SundaySky in York, UK is seeking a Senior Full-Stack Engineer who can independently design, build, test, and operate complex capabilities across our web app, backend services, data integrations, and video creation platform.You will own prod...Read More>>.

Posted: October 22nd, 2026
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Senior Software Engineer — Lead Scalable AI Web Apps

Company IconIRIS Software Group
Location Icon

IRIS Software Group is hiring a Senior Software Engineer to lead the development of large-scale, full‑stack web applications serving millions of users. You will design, build and refine backend APIs with .NET Core and C#, while shaping frontend...Read More>>.

Posted: October 22nd, 2026
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Lead Systems Engineer: Autonomous UAVs & AI Co-Pilot

Company IconArchangel Autonomy
Location IconOxford

Archangel Autonomy is seeking a Lead Systems Engineer in Oxford, UK to shape the architecture and requirements for a new UAV product. You will define CONOPS, top-level requirements and system interfaces, while steering technology choices and certi...Read More>>.

Posted: October 22nd, 2026
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Senior Full-Stack Engineer (React/.NET) | AI Shipping

Company IconThe Signal Group
Location IconLondon

The Signal Group in Greater London is seeking a Senior Full Stack Engineer to join our expanding engineering team. The ideal candidate will have extensive experience in React, C#, and Azure, alongside a strong understanding of Agile methodologies....Read More>>.

Posted: October 22nd, 2026
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Senior React Engineer: Scalable UI & AI-Powered Delivery

Company IconJPMorgan Chase & Co.
Location IconGlasgow

JPMorganChase is seeking a Software Engineer III within the Climate Nature & Social Risk Technology team in Glasgow. You will design and deliver trusted market-leading UI products with React + TypeScript, aligned to design systems, while upholding...Read More>>.

Posted: October 22nd, 2026
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Perl Backend Engineer - Data Services & AI-Driven Pipelines

Company IconMatchtech
Location Icon

Matchtech seeks a Perl Developer to join its permanent Data Services team. The role focuses on building and maintaining applications that retrieve, process and deliver data from thousands of global financial sources into a reliable service pipelin...Read More>>.

Posted: October 22nd, 2026
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Senior Full-Stack Engineer - Edge, Optimizely & AI Migrations

Company IconHuge
Location Icon

Huge is seeking a Senior Full Stack Developer to join our Technology practice in Colombia. You will lead integration and content modeling for Optimizely SaaS platforms while engineering high-performance frontend apps with Next.js, Next.js Middlewa...Read More>>.

Posted: October 22nd, 2026
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Cloud Engineer - Google Cloud AI & Data Pipelines (London)

Company IconReply, Inc.
Location IconLondon

Reply, Inc. is seeking a Cloud Engineer based in London to build and optimise cloud-native solutions on Google Cloud Platform. The ideal candidate will have 3+ years of Cloud Engineering experience, hold a Google Cloud certification, and be profic...Read More>>.

Posted: October 22nd, 2026
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Software Engineer II – Chat & AI Systems (Full-Stack)

Company IconUnibuddy
Location IconLondon

Unibuddy is seeking a mid-level software engineer to work across the full stack on the Unibuddy platform, including web, native, and backend components. You will contribute to Chat, Assistant, and Intelligence products to help students and univers...Read More>>.

Posted: October 22nd, 2026
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Software Engineer - PHP & JS, AI-Driven Cloud & APIs

Company IconADLIB
Location Icon

ADLIB is seeking a skilled software engineer to design and deliver business-critical software with a direct commercial impact. You will influence engineering standards, solution design, and the adoption of AI-assisted delivery practices, while wor...Read More>>.

Posted: October 22nd, 2026
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Full-Stack Engineer — React/Node & AI for Customer Engagement

Company IconDC Thomson
Location IconDundee

DC Thomson in the United Kingdom is seeking a curious and innovative Software Engineer to join our engineering team and help build systems and experiences that power customer engagement at scale. You will design, build and maintain full stack appl...Read More>>.

Posted: October 22nd, 2026
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IT Engineer: Secure IT & AI Tools Lead (Cambridge)

Company IconOpto Biosystems
Location IconCambridge

Coherence Neuro is hiring an IT Engineer in Cambridge to own and scale our IT systems and information security within a medical device context. You will oversee identity, access control, network, servers, data, AI tools, and software governance....Read More>>.

Posted: October 22nd, 2026
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Senior Python Engineer: Infra Automation & AI Platform (Hybrid)

Company IconSpectrum IT Recruitment
Location IconSouthampton

Spectrum IT Recruitment is seeking a Senior Python Engineer to join our global AI and SaaS client in a hybrid role near Hedge End, Southampton. You will build automation tooling in Python, and implement Terraform-based IaC across complex environme...Read More>>.

Posted: October 22nd, 2026
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Senior ML QA Engineer: Benchmark & Validate AI Systems

Company IconEngineersOfAI
Location IconCambridge

EngineersOfAI in Cambridge is seeking a ML System Validator to ensure reliable AI performance and validate complex systems. Your work will bridge ML models with Graphcore's tech stack, testing performance limits and issues.The role demands...Read More>>.

Posted: October 22nd, 2026
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Hybrid Cyber Security Engineer — Lead Vulnerability & AI Security

Company IconGravitas Group
Location IconLondon

Gravitas Group in London is seeking a Cyber Security Engineer to lead and implement security controls across the organisation. This 12-month FTC focuses on hardening the security posture, delivering projects, and ensuring systems remain secure, re...Read More>>.

Posted: October 22nd, 2026
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Autonomy Software Engineer: Secure, Scalable AI & CI/CD

Company IconGroupe SII
Location Icon

SII UK is seeking a Software Engineer for Autonomy to advance software, data and AI across defence and technology environments. You will develop secure software, build CI/CD pipelines and integrate APIs within multidisciplinary teams to enable aut...Read More>>.

Posted: October 22nd, 2026
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Cloud .NET Engineer: Backend APIs & AI-Driven Dev

Company IconBroadridge
Location IconCheltenham

Broadridge is seeking a .NET Software Engineer to design, build, and support our core platform. You will contribute to backend services, APIs, and data access in a cloud-based, event-driven architecture with C#, .NET, PostgreSQL, AWS, Blazor, and...Read More>>.

Posted: October 22nd, 2026
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Senior ML QA Engineer - Test Infra & AI Stack

Company IconGraphcore
Location Icon

Graphcore is building the software that validates its ML stack across frameworks, simulators, emulators and hardware. In this role you will design production-quality test infrastructure, create representative ML workloads, and drive CI/CD pipeline...Read More>>.

Posted: October 22nd, 2026
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AI-Driven Full-Stack Java Engineer | Spring Boot

Company IconSycurio
Location IconGuildford

Sycurio is expanding its in-house engineering team and seeks full stack engineers with a backend focus on Java and Spring Boot to work across the existing product and the new platform. You will split time roughly 70% on backend services and 30% on...Read More>>.

Posted: October 22nd, 2026
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AI-First Full-Stack Software Engineer - Data Pipelines

Company IconRoche
Location IconWelwyn

Roche Welwyn is seeking a software engineer to advance computational sciences, building robust scientific software, data pipelines, and AI-enabled tools for researchers and medicine development.Work with scientists, data engineers, product...Read More>>.

Posted: October 22nd, 2026
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AI-Driven Full-Stack Product Engineer | Domain Owner

Company IconDex
Location IconLondon

Dex is collaborating with a trusted partner to place you in an early-stage healthcare AI company building an AI operating system for outpatient clinics. You will own a complete product domain, delivering features across the stack that automate cli...Read More>>.

Posted: October 22nd, 2026
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Cloud Data Platform Engineer (Azure/Databricks, AI/ML)

Company IconQuilter
Location IconFreemantle

Quilter plc, a leading wealth management group, seeks a Level 4 Data Platform Engineer in Southampton or London. The role supports data-driven value across engineering, reporting, and AI workloads within the Chief Data Office.You will colla...Read More>>.

Posted: October 22nd, 2026
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Senior Cloud Software Engineer - Java/Python, AI/ML

Company IconJPMorgan Chase & Co.
Location IconLower Blandford St Mary

JPMorgan Chase & Co. is seeking a Software Engineer III to contribute to the Corporate Investment Bank Markets Technology team in the UK. You will design, develop, and deploy cloud-based services, while partnering with architects to ensure scalabl...Read More>>.

Posted: October 22nd, 2026
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