Senior Software Engineer: Neurosymbolic AI & Scalable API

Company IconJack and Jill AI
Location IconLondon

Jack and Jill AI is looking for a Senior Software Engineer to join their team in Greater London. This role involves designing a public API and building systems that integrate probabilistic machine learning with deterministic computing. You will play...Read More>>.

Posted: June 6th, 2026
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Remote AWS Java Technical Architect for IoT & Data

Company IconClient Server
Location Icon

A growing tech company in the UK is seeking a hands-on Technical Architect with strong Java skills to design and implement scalable AWS solutions. The role involves leading the architecture for a core insights platform, focusing on infrastructure, da...Read More>>.

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

Company IconEchobox
Location IconLondon

A fast-growing AI company in London is seeking a Back-End Developer to design and maintain systems for their innovative AI-powered products. You will collaborate with senior engineers and data scientists, optimize performance, and contribute to syste...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer, AI Studio - Scale & Impact

Company IconNexGen Cloud
Location Icon

NexGen Cloud is looking for a Senior Software Engineer to join the AI Studio team. You will design and build backend services, APIs, and user-facing features in a role that actively influences the platform's evolution. The ideal candidate will have s...Read More>>.

Posted: June 6th, 2026
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Senior Fusion Automation API Engineer — Remote (UK/DE)

Company IconAutodesk
Location IconBirmingham

Autodesk is seeking a Senior Software Engineer for the Fusion Automation API. In this role, you will be responsible for developing significant web services and desktop code, defining the API, and improving performance and reliability. You should have...Read More>>.

Posted: June 6th, 2026
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Senior .NET Data & AI Backend Engineer

Company IconOmnis Partners
Location Icon

A high-growth technology organisation is looking for a Senior Software Engineer (.NET) to join their Data & AI team in London. The successful candidate will be responsible for building scalable backend services, developing data models, and implementi...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer — Data, AI & APIs (Hybrid)

Company IconHarnham
Location Icon

A leading digital agency in the UK is looking for a Senior Software Engineer (Python) to join their innovative team. You will design and maintain scalable applications, while collaborating closely with data engineers. The ideal candidate has over 5 y...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer – E‑Commerce (Hybrid/Remote)

Company IconMaker&Son Ltd
Location IconBalcombe

Maker&Son Ltd is seeking a highly motivated Senior Software Engineer to join their team in Balcombe. The role involves developing and maintaining backend services for e-commerce and sales infrastructure, using languages such as Java, Go, Python, a...Read More>>.

Posted: June 6th, 2026
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Hybrid ML Engineer: Production AI with Python & C#

Company IconInvestigo
Location IconNottingham

Investigo is seeking a Machine Learning Engineer to join an advanced analytics team in Nottingham on a 3-month contract. The role involves developing production-grade machine learning systems, managing large-scale datasets, and collaborating closely...Read More>>.

Posted: June 6th, 2026
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Senior ML Engineer (Python, GenAI) - Part-time Project-Based

Company IconMindrift
Location IconManchester

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems...Read More>>.

Posted: June 6th, 2026
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Technical Lead - Python / AI (Perm, UK, Remote + Travel) UK

Company IconNearForm Ltd
Location Icon

Technical Lead - Python / AI (Perm, UK, Remote + Travel) Full‑time, permanent opportunity for candidates based in the UK and authorised to work without sponsorship. Requires travel to client sites with travel expenses covered by the...Read More>>.

Posted: June 6th, 2026
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Senior AI Operations Engineer (Python/Golang)

Company IconSky Ireland Limited
Location IconLondon

A leading media company is seeking a Senior Software Engineer in Greater London to design, build, and maintain complex systems for AI-assisted operations. The role requires proficiency in Golang and Python along with experience in AWS and automated t...Read More>>.

Posted: June 6th, 2026
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Technical Project Lead: API, AI & Product Delivery

Company IconRoyalwares
Location Icon

Royalwares is looking for a Technical Project Manager to oversee project delivery across client engagements and internal product development. You'll need genuine technical literacy and be capable of engaging effectively with clients and developers...Read More>>.

Posted: June 6th, 2026
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Java Security Engineer - Enterprise Finance & IAM Expert

Company IconE-Solutions
Location Icon

E-Solutions is seeking a Java Security Engineer with at least 7 years of hands-on experience in the Java enterprise environment. The ideal candidate will have experience with Agile methodologies, enterprise financial solutions, and be proficient in J...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack Engineer: Node.js, AWS & Kubernetes (Remote Europe)

Company Iconwww.cardandpaymentjobs.com
Location Icon

www.cardandpaymentjobs.com is seeking a Senior Full Stack Engineer to join their remote team in Europe. You will build and scale digital payment and account infrastructure using Node.js and AWS, work on backend services, and improve cloud-native syst...Read More>>.

Posted: June 6th, 2026
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Remote Senior Full-Stack Engineer: Python, React, AWS

Company IconOcho People
Location IconBelfast

A growing engineering firm seeks a Senior Full-Stack Software Engineer to build modern applications fully remotely in Northern Ireland. The ideal candidate will design and develop scalable systems using Python and React, contributing to both front-en...Read More>>.

Posted: June 6th, 2026
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AI Backend Engineer: LLMs, AI Agents & MLOps

Company IconMoody
Location IconLondon

Moody is searching for an AI Software Engineer specializing in backend software development using Node.js and Python. The role includes designing production-grade software solutions leveraging machine learning techniques such as large language models...Read More>>.

Posted: June 6th, 2026
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AI Integration Engineer in London - Moneysupermarket.com Group PLC

Company IconJava Script Works
Location IconLondon

AI Integration Engineer London, United Kingdom Posted 9 months ago Moneysupermarket.com Group PLC Tech stack Artificial Intelligence React Next.js Frontend Experience...Read More>>.

Posted: June 6th, 2026
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Remote Full-Stack Engineer: React/Next, Node.js & AWS

Company IconLa Fosse
Location IconLondon

A commerce-driven tech company in the entertainment sector is seeking a Full-Stack Engineer to join their team. In this role, you'll work on the front door of their websites using React and Next.js while also developing backend services in Node.js an...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack Engineer (Java + React) — AI-Driven Apps

Company IconGrid Dynamics
Location IconLondon

We are looking for a Senior Full-Stack Engineer to join our global Investment Banking client. You will be responsible for the development and overall implementation of AI-enabled web applications in a complex, critical and large cross-departmental...Read More>>.

Posted: June 6th, 2026
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Graduate Software Engineer - Night Shifts in London - Graduate Recruitment Bureau

Company IconJava Script Works
Location IconLondon

Job Responsibilities Working with clients to develop, test, and support their new and existing software products. Duties to Include: Developing high quality Java code Getting involved in design discu...Read More>>.

Posted: June 6th, 2026
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Data Platform Security Engineer – SaaS & API Risk

Company IconAviva
Location IconBristol

Aviva is looking for a Data Security Engineer to enhance the security posture across enterprise data platforms. You will implement security controls and monitor compliance with standards. Ideal candidates possess hands-on experience securing platf...Read More>>.

Posted: June 6th, 2026
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React Developer (Contract) — Design & Transformation

Company IconJava Script Works
Location Icon

React Developer (IT) United Kingdom Posted 9 months ago Tech stack Learning React Responsibilities Technical Troubleshooting Continuous Learning Software Desig...Read More>>.

Posted: June 6th, 2026
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Senior Full Stack Engineer (React, Redux, Node.JS, Ruby)

Company IconZebra People
Location IconLondon

A Unicorn company that have recently opened up a Enterprise division in London are looking for multiple full stack engineers to join their London based team.The clientIt’s an opportunity to have an immediate and real impact on...Read More>>.

Posted: June 6th, 2026
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VP-Level Lead: Python & AI Platform Engineer

Company IconJ.P. MORGAN
Location IconLondon

J.P. MORGAN is seeking a Lead Software Engineer to join the Athena Core DevTools team. You will design and build tools that enhance the developer experience for thousands of engineers across the firm, driving innovation and technical excellence....Read More>>.

Posted: June 6th, 2026
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Lead Full-Stack Engineer: Node/TS/React, AWS

Company IconJava Script Works
Location IconLondon

Java Script Works is looking for an experienced software developer based in Greater London, United Kingdom, with strong expertise in Node.js and Typescript. The ideal candidate will have a minimum of 5 years of backend experience and 3 years of UI...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack AI Engineer (Hybrid—London)

Company IconPython Software Foundation
Location IconLondon

The Python Software Foundation is seeking a Senior Full Stack Software Engineer to enhance research and foundation model development. This role, based in London with a hybrid working model, involves developing full stack applications while collaborat...Read More>>.

Posted: June 6th, 2026
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Senior Lead Software Engineer - Python - Real-Time Risk & PnL | Front Office

Company IconJPMorgan Chase & Co.
Location IconLondon

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board.Job DescriptionJoin us to build the real-time engine behind one of the world's largest Credit Trading franchises. Yo...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - AI-Driven Marketplace

Company IconJack & Jill/External ATS
Location IconLondon

A leading fashion tech startup in London is seeking a Senior Backend Software Engineer to architect transaction systems for their AI-native secondhand fashion marketplace. You'll work on scalable systems integrating AI models into ecommerce, impactin...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack Engineer (Java/React) — Build AI-driven research tools

Company IconRELX
Location IconOxford

A global leader in information and analytics is seeking a Senior Full Stack Software Engineer in Oxford. This role involves designing and developing cloud-based applications, collaborating with stakeholders, and mentoring team members. Ideal candidat...Read More>>.

Posted: June 6th, 2026
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Senior Full Stack Engineer (Backend + Devops)

Company IconGravitas Recruitment Group (Global) Ltd
Location Icon

Gravitas Recruitment Group (Global) Ltd provided pay rangeThis range is provided by Gravitas Recruitment Group (Global) Ltd. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Ba...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer (Go/AWS) – PM-Free Autonomy + Equity

Company IconJack & Jill/External ATS
Location IconLondon

A dynamic AI marketing startup is seeking a Senior Product Engineer to build secure backend systems in a PM-free environment. The role involves designing architectures using Golang and AWS, leading API development, and making strategic decisions. Ide...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer - Remote AI Testing & Docker

Company IconMindrift
Location Icon

A leading AI project platform is seeking a Senior Python Developer to engage in project-based collaboration. The ideal candidate has extensive experience in functional testing, Docker, and Linux. This role offers fully remote work, flexible hours (20...Read More>>.

Posted: June 6th, 2026
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Remote RoR Backend Engineer for Security Platform

Company IconGitLab
Location Icon

A leading software company is seeking an Intermediate Backend Engineer to design and develop cutting-edge security solutions. In this role, you will work with a distributed team to create scalable systems and APIs that enhance enterprise security. Ca...Read More>>.

Posted: June 6th, 2026
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AI Full‑Stack Engineer — Python + Vue.js (Remote)

Company IconMad Devs LLC
Location Icon

Mad Devs LLC is seeking an engineer to work effectively in a complex environment. The successful candidate will understand existing systems, extend and refactor them, and deliver new features while reducing technical debt.Responsibilities i...Read More>>.

Posted: June 6th, 2026
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Remote Senior Rust Backend Engineer - Crypto Trading

Company IconKraken
Location Icon

A leading crypto company is seeking a seasoned software engineer proficient in Rust to design robust services and libraries, collaborating with cross-functional teams. This fully remote opportunity requires 7+ years of experience, a security-first mi...Read More>>.

Posted: June 6th, 2026
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API Platform Architect (.Net, APIM, Azure, Kubernetes)

Company IconInsight International (UK) Ltd
Location Icon

API Platform Architect – Insight International (UK) Ltd We are seeking an experienced and highly technical API Platform Architect to lead the architecture, engineering, and continuous evolution of our enterprise API...Read More>>.

Posted: June 6th, 2026
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Project-Based Electrical Engineer (Python) & AI Trainer

Company IconMindrift
Location Icon

A tech consulting company is seeking electrical engineers for part-time, project-based opportunities focused on AI evaluation and improvement. Candidates should possess a degree in Electrical Engineering and at least 3 years of relevant experience, d...Read More>>.

Posted: June 6th, 2026
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Remote AI Trainer for Electrical Engineers (Python)

Company IconMindrift
Location Icon

A leading AI innovation firm in the UK is seeking an Electrical Engineer with Python experience for a part-time remote freelance role. This opportunity allows you to work on advanced AI projects, leveraging your expertise to shape future models. Idea...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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Remote QA Engineer - Mobile & API Testing (UK Projects)

Company IconPepperHQ Limited
Location IconLondon

A UK-based technology company is seeking a skilled QA Engineer to join their team. This hands-on role is for professionals with 3–6+ years of QA experience who enjoy robust functional and regression testing. The position is remote, offering the cha...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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Remote Automation Engineer (n8n) | API Integrations Expert

Company IconHuzzle
Location Icon

Huzzle is seeking a highly skilled Automation Engineer with strong n8n experience to design, build, and maintain workflow automations. This fully remote position focuses on optimizing business processes through low-code/no-code automation and API int...Read More>>.

Posted: June 6th, 2026
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Python QA Automation Engineer

Company IconEPAM Systems, Inc.
Location IconLondon

We're looking for a Python QA Automation Engineer to join EPAM in London, in an onsite working mode, contributing to an AI-driven enterprise project for one of our clients. This role focuses on exposing internal enterprise tooling to AI agents via Mo...Read More>>.

Posted: June 6th, 2026
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Senior Network Automation Engineer — Remote-First & API Champion

Company IconMegaport
Location Icon

Megaport is seeking a Senior Engineer in the United Kingdom to enhance their Perl code base and manage backend services. This role requires collaboration with junior engineers, building RESTful APIs, and reducing technical debt.The ideal ca...Read More>>.

Posted: June 6th, 2026
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QA Test Engineer Python Automation

Company IconClient Server
Location IconCambridge

This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server QA Test E...Read More>>.

Posted: June 6th, 2026
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Automation Test Engineer - API & Quality Assurance

Company IconTEKsystems
Location IconNorthampton

A leading technology services company in Northampton is seeking a Test Automation Engineer to design and implement testing strategies for software functionality. The role involves collaborating with cross-functional teams, creating automated test scr...Read More>>.

Posted: June 6th, 2026
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Business Development Director (API) - UK&I

Company IconKinetiQ Life Sciences
Location Icon

We are partnered with a highly established small molecule CDMO who are seeking a business development director to join their team and focus on the UK & Ireland, selling their API services to customers within the territory....Read More>>.

Posted: June 4th, 2026
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Senior Quant Software Developer : Elite Quant Fund : Python/C++ : £150-200k base plus huge bonus

Company IconHunter Bond
Location IconLondon

We are partnering with one of London’s most selective and highest-performing quantitative investment funds to appoint a Senior Quant Software Developer to their core systematic trading group. This is a confidential mandate for a team renowned fo...Read More>>.

Posted: June 5th, 2026
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