Senior .NET Engineer: Data AI Backend & Pipelines

Company IconOmnis Partners
Location Icon

A high-growth technology organization in the UK seeks a Senior Software Engineer (.NET) to join their Data & AI team. In this hybrid role, you will develop scalable backend services and data pipelines that turn transactions into valuable insights. Id...Read More>>.

Posted: June 6th, 2026
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Senior AI Python Engineer — Remote (UK) for AI-driven Apps

Company IconNearForm Ltd
Location IconLondon

A leading tech solutions provider in the UK seeks a Senior Software Engineer proficient in Python and modern AI frameworks. The role involves designing and building applications, collaborating with client teams, and ensuring technical quality across...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer – AI-Powered SaaS, Scalable

Company IconEchobox
Location IconLondon

A fast-growing AI company in Greater London seeks a Back-End Developer to collaborate with the Product team and Data Scientists. You will play a key role in designing and maintaining systems for AI-powered products. The ideal candidate has 3-5 years...Read More>>.

Posted: June 6th, 2026
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Graduate Quantitative Analyst – Trading Desk (Python/ML)

Company IconOnyx Capital Group
Location IconLondon

A leading trading firm in Greater London is seeking an individual with strong quantitative skills to join their Quantitative Trading desk. This role involves delivering high-quality quantitative strategies, monitoring trading and strategy performance...Read More>>.

Posted: June 6th, 2026
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Python Senior Engineer – AI & LLM Evaluation (London)

Company IconLA International
Location IconLondon

LA International is seeking a Python Senior Engineer for a 12-month contract position with extensions available. The role involves building AI-powered services and designing evaluation frameworks in an engaging, collaborative environment in London...Read More>>.

Posted: June 6th, 2026
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AI Backend Engineer – LLMs, Scalable Pipelines & MLOps

Company IconMoody's Investors Service
Location IconLondon

Moody's Investors Service is seeking a Software Engineer specializing in AI systems to design and implement robust backend solutions using Node.js and Python. The ideal candidate will have over 3 years of experience in backend software development, p...Read More>>.

Posted: June 6th, 2026
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Hands-On AI Platform Lead (Python/Node/TS & Cloud)

Company IconSalt Digital Recruitment
Location IconLondon

Salt Digital Recruitment is seeking two Software Development Team Leads in Greater London. This hybrid role involves hands-on coding across Python, Node, Typescript, and AWS while mentoring engineers and shaping technical direction.Your res...Read More>>.

Posted: June 6th, 2026
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Senior Backend & AI Engineer — Cloud-Native & APIs

Company Icon慨正橡扯
Location IconLondon

慨正橡扯 is seeking a Senior Full‑Stack/AI Engineer with a strong backend focus to join our innovative team in Greater London. The ideal candidate will have extensive hands-on experience in backend engineering and a solid understanding of AI...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer for AI-Powered, Scalable SaaS

Company IconEchobox
Location IconLondon

A forward-thinking technology company in Greater London is seeking a Back-End Developer to work on AI-powered products. You will design and maintain scalable back-end systems while collaborating with data scientists and engineers. The ideal candidate...Read More>>.

Posted: June 6th, 2026
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Senior Full Stack Engineer Node.js | AWS | Kubernetes | AI in London

Company Iconwww.cardandpaymentjobs.com
Location Icon

Senior Full Stack Engineer Node.js | AWS | Kubernetes | AILocation: Remote in Europe, with preference for Poland, Cyprus, or Latvia A high-growth fintech business is looking for a Senior Full Stack Eng...Read More>>.

Posted: June 6th, 2026
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Senior Full Stack/AI Engineer (Backend Leaning)

Company Icon慨正橡扯
Location IconLondon

Senior Full‑Stack/AI Engineer (Backend-leaning) Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations bui...Read More>>.

Posted: June 6th, 2026
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Senior Front-End Engineer — React + Next.js Expert

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a Senior Product Engineer (Front-End) to join their team in London, United Kingdom. This role involves building and shipping responsive, performant UIs using modern technologies like React and TypeScript, while collabo...Read More>>.

Posted: June 6th, 2026
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Analista de teste de Automação / Python (QA)

Company IconInstituto de Pesquisas Eldorado
Location IconMarple

Analista de teste de Automação / Python (QA)Buscamos pessoas apaixonadas por tecnologia. Alguém que se motive por desafios e atue com autonomia. Precisa gostar de trabalhar em equipe e possuir espírito colaborativo.Resp...Read More>>.

Posted: June 6th, 2026
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Remote-First AI API Product Owner - FinTech SaaS

Company IconConficio Recruitment Limited
Location IconLondon

Conficio Recruitment Limited is collaborating with a London-based FinTech company seeking a Product Owner. This role involves owning delivery streams end-to-end and collaborating closely with engineering and sales teams to develop valuable softwar...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer — AI-Powered Platform (Onsite Bristol)

Company IconPeaple Talent
Location Icon

A dynamic start-up in Bristol is searching for a Senior Backend Developer with strong Python expertise and experience in AI integration. The candidate will design scalable backend systems, mentor junior developers, and ensure high performance and sec...Read More>>.

Posted: June 6th, 2026
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Remote WordPress Front-End Specialist

Company IconJava Script Works
Location IconLondon

Java Script Works is looking for a talented Front-End Developer to join for a duration of 3-4 weeks. The role involves building two Wordpress websites and configuring various plugins to ensure a smooth user experience.The ideal candidate wi...Read More>>.

Posted: June 6th, 2026
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Backend & Fullstack Engineer for AI‑Driven SaaS Growth

Company IconHook
Location IconLondon

Hook is seeking a skilled full-stack developer for its innovative team in Greater London. The role involves both frontend and backend development, primarily using Python and React. You will work on designing product features, improving architecture,...Read More>>.

Posted: June 6th, 2026
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Go Backend Engineer – AI-Driven FinTech, Flexible Remote

Company IconZILO™
Location IconLondon

A forward-thinking FinTech firm in London seeks a Software Engineer (Go) to develop high-performance back-end services supporting financial applications. The ideal candidate will have strong AI integration skills, proficiency in JavaScript and experi...Read More>>.

Posted: June 6th, 2026
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AI QA Engineer: Web, API & Voice Systems

Company IconPeaple Talent
Location IconBristol

Peaple Talent is seeking a QA Engineer in Bristol to enhance the stability and quality of an innovative AI communications platform. In this role, you will collaborate with teams across Backend, Frontend, Telephony, DevOps, and AI to ensure the seamle...Read More>>.

Posted: June 6th, 2026
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Java Full-Stack Engineer for Enterprise SaaS Automation

Company IconRedwood Software
Location Icon

A leading automation solutions provider is seeking a Full Stack Software Engineer to design and maintain scalable applications. This role requires expertise in Java, cloud platforms, and RESTful API development. You'll work collaboratively with produ...Read More>>.

Posted: June 6th, 2026
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Remote Python Full-Stack Engineer — Low-Code Automation

Company IconMOST Specialist Technologies
Location IconFull Sutton

MOST Specialist Technologies, localizada em Full Sutton, Reino Unido, busca um(a) desenvolvedor(a) para atuar em automação de workflows utilizando ferramentas low-code como N8N e integração com APIs. O candidato ideal deve ter formação em Ciên...Read More>>.

Posted: June 6th, 2026
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Ruby on Rails Backend Engineer - Payments & Checkout

Company IconCommerce Software UK Ltd
Location IconLondon

Commerce Software UK Ltd is searching for a skilled Software Engineer to join their Payment integrations team. You will design, implement, and support backend services for payments on the BigCommerce platform, ensuring high availability and perfor...Read More>>.

Posted: June 6th, 2026
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Senior Backend Magento Lead — E‑commerce Architect & Mentor

Company IconNew Route Recruitment Limited
Location IconFrimley Green

A dynamic web development agency in Frimley Green is seeking a Senior/Lead Magento Developer. The role involves collaborating with frontend developers and project managers to craft high-quality e-commerce solutions. Ideal candidates will have at leas...Read More>>.

Posted: June 6th, 2026
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Senior Full Stack Drupal/React Developer in Harlow - Charles River Laboratories, Inc.

Company IconJava Script Works
Location IconHarlow

Senior Full Stack Drupal/React Developer Location: Harlow, United Kingdom Posted 10 months ago Tech Stack Drupal React Full-stack web Job Summary Drive the build and...Read More>>.

Posted: June 6th, 2026
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UI Developer - Finance Trading UI (React/Angular, D3)

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a UI Developer to enhance the MarketsOne trading platform. The ideal candidate will have strong proficiency in JavaScript, TypeScript, and experience with Angular or React. Responsibilities include developing scalable, da...Read More>>.

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

Company IconAircall
Location IconLondon

A leading customer communications platform in Greater London is seeking a Senior Backend Software Engineer to design, develop, and operate vital features. You will write scalable code, mentor team members, and ensure system reliability, focusing on d...Read More>>.

Posted: June 6th, 2026
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ML Infrastructure Engineer — Python & ML Pipelines

Company IconHarvey Nash
Location IconCambridge

A technology recruitment agency is seeking a Software Engineer/Developer (ML Infrastructure) for a 12-month contract in Cambridge, UK. The role involves designing and maintaining machine learning tooling in Python, supporting research teams, and impr...Read More>>.

Posted: June 6th, 2026
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Fintech Selenium QA Engineer - C# Testing Specialist

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a Selenium QA Tester in Tunbridge Wells, Greater London. The ideal candidate will have a 2:1 Computing Science degree from an EU University and demonstrable experience in Selenium Testing, QA methodologies, and a variety...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer for AI Workloads (Remote Europe)

Company IconWave Talent
Location IconLondon

Wave Talent is seeking a Senior/Staff Backend Engineer for a fast-paced Series A developer infrastructure startup. You will be responsible for scaling infrastructure that executes millions of AI workflows. The role emphasizes deep experience in di...Read More>>.

Posted: June 6th, 2026
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Backend Engineer, AI Platform — Build Scalable AI Tools

Company IconVictrays
Location IconLondon

A tech company in Greater London is looking for a talented Backend Engineer to join their AI Platform team. The role involves designing and developing backend services for AI capabilities, ensuring reliability and scalability. Ideal candidates will h...Read More>>.

Posted: June 6th, 2026
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Quant Developer : Elite Quant Fund : Python/C++ : £150-200k base plus huge bonus

Company IconHunter Bond
Location Icon

Quant Developer : Elite Quant Fund : Python/C++ : £150-200k base plus huge bonus We are partnering with one of London’s most selective and highest-performing quantitative investment funds to appoint a Quant Developer to their core s...Read More>>.

Posted: June 6th, 2026
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Senior Ruby on Rails Backend Engineer — Hybrid London

Company IconFynity
Location IconCity of Westminster

Senior Ruby on Rails Engineer Location: London (Hybrid – 2 days per week onsite) Salary: £65,000 to £85,000 (DOE) The opportunity We’re looking for a Mid / Senior Ruby Engineer to join a growing technology...Read More>>.

Posted: June 6th, 2026
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Senior AI Engineer - Multi-Agent Systems & Backend

Company IconJack & Jill/External ATS
Location IconLondon

An innovative AI startup in London seeks a talented AI Engineer to join the Science team. You will design cognitive architectures and memory systems for LLM-driven agents, creating a platform that predicts human behavior with remarkable accuracy. Ide...Read More>>.

Posted: June 6th, 2026
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Engineering Manager - AI-Driven API Platform (Hybrid)

Company IconGravitee Topco Limited.
Location IconLondon

A leading AI and API management company in the UK is seeking an Engineering Manager to foster and lead high-performing teams. In this role, you'll bridge traditional management with AI technologies, ensuring scalable and high-quality development. Ide...Read More>>.

Posted: June 6th, 2026
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Senior Ruby on Rails Backend Architect - Luxury E-Commerce

Company IconMILE
Location IconManchester

A luxury commerce platform in Manchester seeks a Senior Backend Engineer to design and implement high-performance systems for e-commerce. This role is vital in shaping backend architecture while collaborating closely with design and product teams. Id...Read More>>.

Posted: June 6th, 2026
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Senior Backend Product Engineer, AI Platform (Remote)

Company IconCavendish Professionals
Location IconLondon

Cavendish Professionals is seeking a Senior or Staff Backend Product Engineer to join a London-based AI startup. The ideal candidate will possess strong backend engineering experience, particularly in TypeScript and Node.js, and have a proven track r...Read More>>.

Posted: June 6th, 2026
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Founding Full-Stack AI Engineer (Python & TypeScript) | London, On-site

Company IconCross Border Talents
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, payments, and...Read More>>.

Posted: June 7th, 2026
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Senior Ruby on Rails Engineer – Backend for Rail Ops

Company IconTransreport Limited
Location IconLondon

Transreport Limited is seeking a Mid-Senior Ruby on Rails Engineer in London to enhance their operational systems. This role includes maintaining and improving the Passenger Assistance platform while ensuring stability and reliability in collabora...Read More>>.

Posted: June 8th, 2026
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Senior Java Full-Stack Engineer | AWS & Angular/React | Hybrid Leeds

Company IconTalent
Location IconLeeds

Talent is seeking a Senior Java Developer in Leeds for a hybrid role with a focus on both backend and frontend development. This position is part of a long-term project in financial services, emphasizing AWS and modern technologies.The role...Read More>>.

Posted: June 11th, 2026
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Senior Backend Engineer (Kotlin) – AI Data Platform, Hybrid

Company IconUnderstanding Recruitment
Location IconLondon

Understanding Recruitment is looking for a Senior Backend Engineer to join a rapidly growing AI infrastructure company in London. This role involves developing new product features, enhancing performance, and defining the technical direction....Read More>>.

Posted: June 12th, 2026
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Senior ML Engineer — Production ML & Microservices

Company IconPrima
Location IconLondon

Prima is seeking a Senior Machine Learning Engineer to join our Engineering Team in London. In this role, you will define model development methodologies, support the productionalization of ML systems, and develop essential tools for the team. The...Read More>>.

Posted: June 13th, 2026
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Product‑Led Backend Engineer (AI & Automation)

Company IconAvyn
Location IconLondon

Avyn, based in Greater London, is looking for a dedicated product hire to join their early-stage team. In this role, you will own features end to end while working directly with the CTO and CEO. The focus will be on building lead-generation pipeli...Read More>>.

Posted: June 13th, 2026
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Python & AI Engineer (Production-Grade AI, Hybrid)

Company IconMcCabe & Barton
Location IconLondon

McCabe & Barton is seeking a Python Developer & AI Engineer in London, UK. This hybrid role involves working on AI platform engineering, where you will build and deploy production-grade AI solutions.You will focus on developing MCP connecto...Read More>>.

Posted: June 13th, 2026
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Data Backend Engineer — AI‑Powered Pipelines (Remote/Hybrid)

Company IconOliver Bernard
Location IconLondon

Oliver Bernard is seeking an experienced Data or Backend Engineer for a 3-month contract, which can be remote or hybrid in London. You'll take ownership of a key e-Receipts data pipeline, enhancing and maintaining systems that extract purchase dat...Read More>>.

Posted: June 14th, 2026
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Senior Automation Engineer - Flutter & API Frameworks

Company IconZippd
Location IconManchester

Zippd in Manchester is looking for a Senior Automation Tester to lead the quality assurance of its mobile and API ecosystem. This role requires building robust automation frameworks from scratch, with a specific focus on Flutter applications....Read More>>.

Posted: June 15th, 2026
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Cyber Penetration Tester — Web, API & Cloud (Hybrid)

Company IconeasyJet
Location IconLuton

easyJet is seeking a Digital Safety Penetration Tester to perform ethical hacking across applications and infrastructures. You will plan and execute penetration tests, identify vulnerabilities, and produce detailed reports to enhance security....Read More>>.

Posted: June 15th, 2026
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AI-Driven Python Engineer (LLM) – Hybrid London, Equity

Company IconLGBT Great
Location IconLondon

LGBT Great is partnering with a fast-growing fintech company in London seeking a Python Engineer to leverage AI in financial data. You will design scalable backend systems using Python and integrate LLM-powered features into core products.J...Read More>>.

Posted: June 16th, 2026
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Senior Cloud Infrastructure Engineer (IaC, SRE, API)

Company IconLloyds Banking Group
Location IconLeeds

Lloyds Banking Group is seeking a skilled cloud engineer to design and build robust cloud platform capabilities utilizing Infrastructure as Code (IaC) and modern CI/CD pipelines. The ideal candidate will have hands-on experience with Azure and GCP...Read More>>.

Posted: June 16th, 2026
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