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 Python AI Engineer (FastAPI) – Hybrid London

Company IconAddition
Location Icon

A technology consulting firm is seeking a Senior Software Engineer skilled in Python (FastAPI) and SQL to lead the design and build of AI-driven applications. This role involves developing data pipelines, mentoring junior engineers, and maintaining h...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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Lead Software Engineer - Python / AI - Athena Core - Vice President

Company IconJ.P. MORGAN
Location IconLondon

Job Description Join us to shape the future of developer experience on one of the firm's most strategic technology platforms. You'll have the opportunity to impact how software is built across a vast engineering organization, tackling...Read More>>.

Posted: June 6th, 2026
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Lead Software Engineer Python AI LLM

Company IconClient Server
Location IconLondon

Lead Software Engineer Python AI LLM (PR/100827) London, England Salary: GBP100000 – GBP125000 per annum + bonus + benefits Lead Software Engineer / Developer / Consultant (Python AI LLM) London / WFH to £125k A...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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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: 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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Senior Java Developer - AI-Driven Workflow Platform

Company Iconmthree
Location IconLondon

mthree is seeking experienced Senior Java Developers to join a leading global investment bank. You will work on a mission-critical workflow platform that handles millions of transactions each month.Your role will involve building and scalin...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 GCP Apigee Engineer - API & IaC Lead

Company IconTata Consultancy Services
Location Icon

Tata Consultancy Services (TCS) seeks a Senior GCP APIGEE Engineer to join their Public Cloud Platform team. Situated in various UK locations including Bristol and Leeds, this crucial role focuses on driving Google Cloud integration and innovation...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 Backend Engineer for AI-Driven CRM | Equity

Company IconJack & Jill/External ATS
Location IconLondon

An AI-native CRM startup is seeking a Senior Product Engineer to lead the development of scalable backend systems. You will architect high-performance systems using Node.js and TypeScript while managing complex data challenges. Ideal candidates have...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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Senior Python/Go Engineer – Terraform & ML (Contract)

Company IconGolang Works
Location IconLondon

A software development company in London is looking for Senior Software Developers/Engineers skilled in Python, Terraform, and Go. Ideal candidates will have 7 to 10 years of experience and proficiency in Machine Learning. This contract role offers c...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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Customer‑Facing Python AI Deployment Engineer

Company IconLightning AI
Location IconLondon

Lightning AI in Greater London is looking for a Forward Deployed Engineer to collaborate with customers in architecting and deploying AI systems. This role requires hands-on engineering skills, strong communication abilities, and experience in AI/...Read More>>.

Posted: June 6th, 2026
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Autonomy-Driven PHP Laravel Engineer for Cyber Security

Company IconBig Red Recruitment Midlands Limited
Location IconLondon

Big Red Recruitment Midlands Limited is seeking a PHP Developer to join their team in central London. You will take ownership of internal development tasks, creating customer-facing dashboards and implementing innovative software solutions....Read More>>.

Posted: June 6th, 2026
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Senior Backend / Full-Stack Engineer (E5/E6 Level) – AI-Native Startup – Strong Comp + Equity

Company IconMondrian Alpha
Location IconLondon

My client, a high-growth AI-native startup based in Central London, is looking for an exceptional Senior Backend or Full-Stack Engineer to join their core engineering team. This is a rare opportunity to join an engineering-led company at...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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Java Developer - Team Lead - Up to £150k + Exceptional Bonus - Elite FinTech Firm- London - Hyb[...]

Company IconHunter Bond
Location Icon

Java Developer - Team Lead - Up to £150k + Exceptional Bonus - Elite FinTech Firm- London - Hybrid Working Direct message the job poster from Hunter Bond. Sells: Cutting-edge tech, a collaborative and flat-structured env...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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Senior PHP Engineer - Remote/Hybrid, E-commerce Platform

Company IconOnyx-Conseil
Location IconLondon

Senior PHP Software Developer – City LondonThe ideal candidate will have sound 5 to 10 years proven commercial experience with developing software with PHP and MySQL.Must have experience of working on a Linux server with good ex...Read More>>.

Posted: June 6th, 2026
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Senior TypeScript & AI Backend Engineer | AI Workflows

Company IconEmergn
Location IconLondon

Emergn is looking for a Senior Typescript & AI Backend Developer to design and build scalable backend systems that power AI workflows. You will work with a dynamic international team to implement Node.js/TypeScript services and integrate with LLM...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 Engineer – AI Healthcare, Equity from Day One

Company IconDormont Manufacturing Co
Location IconLondon

Who We Are Healthcare needs a better rhythm: one that keeps care continuous and deeply human. Heidi is building an AI Care Partner that works alongside clinicians to make that possible. We’re a team of doctors, engineer...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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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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Technical Lead (PHP)

Company IconCAVU
Location IconManchester

Hybrid working (flexible) - Manchester Airport office Permanent About CAVU For airports, for partners, for people. We are CAVU. At CAVU our purpose is to find new and better ways to make airport travel seamless and...Read More>>.

Posted: June 6th, 2026
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Remote Python Code Annotator & Quality Analyst

Company IconCrossing Hurdles
Location Icon

A technology consulting firm is seeking an Exceptional SWE Annotator to evaluate and annotate code snippets for accuracy and quality. This role requires strong programming skills in multiple languages and analytical abilities. Work is fully remote wi...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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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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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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Post-Sales Solutions Engineer: AI-Driven API Expert

Company IconMonta
Location IconLondon

A leading EV charging platform in London is seeking a Post-Sales Solution Engineer to own customer relationships and accelerate value through effective solutions. This role involves diagnosing technical issues, facilitating discovery sessions, and im...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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Lead Backend Engineer - AI & Back Office (Remote UK)

Company IconMidnite
Location IconLondon

Midnite is seeking a Lead Backend Engineer to help scale internal operations by defining practical uses of AI in engineering and the broader business. You will lead the development of a greenfield back office platform, mentoring a small team while wr...Read More>>.

Posted: June 12th, 2026
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Founding Python AI Engineer — Build AI Platforms & Cloud Infra

Company IconTalent
Location IconManchester

Talent is seeking a Python AI Developer in Manchester to join an early-stage AI startup focused on building software for manufacturing businesses. The role involves developing AI-powered platforms, integrating operational data, and designing cloud...Read More>>.

Posted: June 12th, 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 HR Advisor: Policy, ER & Reward Expert

Company IconMaven Partners
Location Icon

Maven Partners is recruiting a Senior HR Advisor (Reward, ER & Policy) to enhance employee experience through effective HR policy and employee relations. In this key role, you will manage employee relations cases, lead HR policy development, and s...Read More>>.

Posted: June 12th, 2026
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Senior Backend Engineer - AI-Powered Search Platform

Company IconElsevier
Location IconLondon

Elsevier is seeking a Senior Software Engineer I to build and enhance their Search and AI Platform. This role involves designing graph-based search services and integrating with various cloud services. The ideal candidate has over 4 years of exper...Read More>>.

Posted: June 13th, 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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Senior Backend Engineer - AI-Driven Finance (Remote)

Company IconJobgether
Location Icon

Jobgether is seeking a Senior/Staff Backend Engineer in the United Kingdom to build and scale core backend systems for finance and ERP. You will be responsible for designing high-performance services that handle real-time, business-critical workfl...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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Membership & Matchmaking Coordinator

Company IconSpring Into Action CIC
Location IconAccrington

A community support organization in Accrington is seeking a Membership Coordinator to oversee memberships for a dating agency for adults with learning disabilities. Responsibilities include member engagement, coordinating events, and ensuring inclusi...Read More>>.

Posted: June 4th, 2026
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Prison Library Assistant (Part-time) — Inspire Reading

Company IconLancashire County Council
Location IconLancashire

Lancashire County Council is seeking a part-time prison library assistant at HMP Wymott Prison to provide high-quality library services. The role involves working closely with prisoners and staff to enhance their library experience.Responsi...Read More>>.

Posted: June 12th, 2026
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