SaaS Client Delivery Engineer – API & Integrations (Equity)

Company IconBlink - The Employee App
Location IconLondon

Blink - The Employee App is looking for a Client Delivery Engineer to join their Professional Services team, primarily located in London. In this role, you'll lead the technical implementation for customers, focusing on integrations and troubleshooti...Read More>>.

Posted: June 6th, 2026
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Senior React Engineer: TypeScript, JS & Frontend Craft

Company IconJava Script Works
Location IconStaines upon Thames

A software development company in Staines-upon-Thames is seeking a Senior React Developer. The role requires proficiency in React, TypeScript, and JavaScript, along with a relevant degree. Offering a competitive salary of £80,000 per year, the ideal...Read More>>.

Posted: June 6th, 2026
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Senior Frontend Engineer - SDK & Security API

Company IconLondon Stock Exchange
Location IconLondon

RequirementsThis role is ideal for someone who thrives in developer experience, SDK design, and security-focused frontend engineering,Proven of experience in frontend development, with deep expertise in React, TypeScript,...Read More>>.

Posted: June 6th, 2026
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Full-Stack Engineer (London) - Python, AWS, Vue/React

Company IconPremier Group
Location IconLondon

A leading tech recruitment agency is offering a Full Stack Developer Opportunity in London. The successful candidate will design and implement services in Python and collaborate on infrastructure maintenance in a dynamic, agile team. They must have a...Read More>>.

Posted: June 6th, 2026
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Software Engineer - C/C/++/ C#/ Python

Company IconKeysight Technologies SAles Spain SL.
Location IconCity of Edinburgh

Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world‑cl...Read More>>.

Posted: June 6th, 2026
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Dynamics 365 Developer: Power Platform & Azure Specialist

Company IconJava Script Works
Location Icon

Java Script Works is looking for a Microsoft Dynamics 365 Developer based in Solihull, United Kingdom. The ideal candidate should have a solid background in C# .NET, JavaScript, and SQL, along with experience managing large-scale Dataverse instanc...Read More>>.

Posted: June 6th, 2026
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Automation QA Engineer: Playwright & API Testing

Company IconAnaplan
Location IconManchester

A leading technology company in Manchester seeks a motivated Automation Engineer to enhance quality assurance. The candidate will develop automated tests focusing on web applications and APIs, ensuring software quality through collaboration and effec...Read More>>.

Posted: June 6th, 2026
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Backend Engineer: AI-Powered Security Platform

Company IconThreatAware
Location IconLondon

ThreatAware is looking for a Backend Engineer to enhance their core platform with AI-powered capabilities using real cyber asset data. You will contribute to building and maintaining C#/.NET backend services, and work on innovative solutions that...Read More>>.

Posted: June 6th, 2026
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Senior AppSec Engineer: Secure Java in CI/CD (Remote)

Company IconCamunda
Location Icon

Camunda is seeking a Senior Information Security Engineer (AppSec) to ensure that our platform is designed and built securely. You will work closely with engineering teams throughout the SDLC, leading the evolution of AppSec tooling and managing s...Read More>>.

Posted: June 6th, 2026
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Python Developer | Lead Role | Global Investment Tech | London, hybrid

Company IconSGI
Location IconLondon

Python Developer | Lead Role | Global Investment Tech | London, hybrid We're working with a leading global investment firm operating across public and private markets, supporting a broad institutional and wealth client base. The...Read More>>.

Posted: June 6th, 2026
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IT Customer Integration Manager — API & E‑Commerce

Company IconMandarin Recruitment
Location IconDaventry

Mandarin Recruitment is seeking an IT Customer Integration Manager for a logistics and supply chain company based in Daventry. This role involves working within a dynamic team to enhance eCommerce fulfilment solutions. Candidates must possess stro...Read More>>.

Posted: June 6th, 2026
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Java Software Engineer : Global Bank : £150k + bonus : Hybrid

Company IconHunter Bond
Location Icon

Java Software Engineer : Global Bank : £150k + bonus : Hybrid We’re partnering with a global, technology-driven investment bank seeking a Senior Java Engineer to join their platform engineering team. You’ll work on systems that su...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer – Cloud-Native & AI-Driven Platform

Company IconOctopus Legacy
Location Icon

A progressive startup is searching for a Python Software Engineer to join their dynamic team. In this role, you will lead the design and development of scalable cloud-native systems, primarily in Python. You will work on exciting greenfield projects...Read More>>.

Posted: June 6th, 2026
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Hybrid Full-Stack Dev (React/Python) — AI-Ready UI

Company IconClearRoute
Location IconLondon

A technology company in Greater London is seeking a Full-Stack Developer with a strong front-end focus. The role involves developing front-end using React and contributing to backend services with Python. This hybrid position requires two days a week...Read More>>.

Posted: June 6th, 2026
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AI Software Engineer — Build Scalable AI Apps (Python)

Company IconWorldQuant LLC
Location IconLondon

A financial technology firm in Greater London is looking to build a new software engineering team focused on applied AI. This role involves collaborating with diverse teams to develop scalable AI-driven applications that solve real-world problems. St...Read More>>.

Posted: June 6th, 2026
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Senior ASP.NET MVC Developer – Investment Tech

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a Senior ASP.NET MVC Developer to join their London team. This full-time role offers a salary of up to £50K and requires strong skills in C#, SQL Server, and front-end technologies like JavaScript, HTML, and CSS. The ide...Read More>>.

Posted: June 6th, 2026
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Backend Engineer, AI Platform — Equity + London Office

Company IconEncord
Location IconLondon

About usEncord is the universal data layer for AI that helps 300+ AI teams train and run models on the right data. Our platform indexes, curates, annotates, and evaluates data across the full AI lifecycle, from developme...Read More>>.

Posted: June 6th, 2026
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Senior Rails Backend Engineer - On-site 2-3 days, PostgreSQL

Company IconOnyx-Conseil
Location IconLondon

A dynamic technology startup in the UK is seeking a Senior Ruby on Rails Engineer to join their team in Fulham. The role involves leading the evolution of core operational platforms, optimizing PostgreSQL performance, and managing secure third-party...Read More>>.

Posted: June 6th, 2026
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Senior Frontend Engineer (React, TypeScript, GraphQL)

Company IconJava Script Works
Location IconLondon

Frontend Software Development Experience With over 5 years of experience in frontend software development, we are well-versed in creating dynamic and user-friendly interfaces. Preferred Skills A STEM background would be...Read More>>.

Posted: June 6th, 2026
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Java Developer - FIXED INCOME (Java, FIX, SQL)- Capital Markets - Start ASAP - Hybrid - London

Company IconNext Ventures
Location IconLondon

Java Developer - FIXED INCOME (Java, FIX, SQL)- Capital Markets - Start ASAP - Hybrid - London I’m looking for a Java Developer to work Hybrid onsite/offsite with a Bank in London. Essential skills are: Java, SQL, Fixed Income, FIX P...Read More>>.

Posted: June 6th, 2026
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Remote Python Developer – FinTech Systems, AWS & Flask

Company IconOliver Bernard
Location Icon

A leading FinTech recruitment firm is looking for Mid-Level Python Developers to join their engineering team. You will collaborate with senior leaders to design complex systems and write scalable Python code. The ideal candidate has over 2 years of e...Read More>>.

Posted: June 6th, 2026
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Staff Backend Engineer: AI Platform & APIs

Company IconTide
Location Icon

A leading financial services firm in the UK is seeking a Staff Software Engineer to work on innovative AI projects. You'll be responsible for building core services for the company's agentic platform and integrating AI capabilities. The ideal candida...Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer - Low-Latency Trading Systems

Company IconTP ICAP Group Services Ltd
Location IconLondon

TP ICAP Group Services Ltd is seeking a Senior Java Developer based in the City Of London. The role involves designing and implementing low-latency trading system components while collaborating with diverse teams to ensure optimal performance and...Read More>>.

Posted: June 6th, 2026
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Staff Python Engineer - AI Infra for Global Law

Company Iconjobr.pro
Location IconLondon

Jobr.pro is seeking a Staff Python Engineer to join our AI Engineering & Infrastructure team. The role involves developing production-ready APIs, improving AI application reliability, and scaling AI systems for legal use cases. The ideal candidate...Read More>>.

Posted: June 6th, 2026
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VP, Generative AI Engineer — Python (Production-Grade)

Company IconCiti
Location IconNorthern Ireland

Citi is seeking a Vice President with a strong software engineering background in Python to design and develop cutting-edge Generative AI solutions for Markets. In this role, you will collaborate with stakeholders to create impactful applications...Read More>>.

Posted: June 6th, 2026
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Python Developer for AI-Driven Finance Solutions

Company IconCitibank (Switzerland) AG
Location IconBelfast

A leading financial services firm in Belfast is seeking a motivated Python developer for its Wholesale Credit Risk Technology team. This role involves building enterprise-scale applications with Python and FastAPI, collaborating with both onshore and...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack Engineer: Python & Vue (Remote UK)

Company IconInfused Solutions
Location Icon

Infused Solutions is seeking an experienced Senior Full Stack Developer for an initial 3-month contract. The role is fully remote and focuses on backend development with Python, APIs, and integrations, complemented by frontend work using Vue.js....Read More>>.

Posted: June 6th, 2026
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Cyber Security Specialist – Python Development

Company IconAviva
Location Icon

Cyber Security Specialist – Python Development Locations: Bristol, Norwich, York, Sheffield or Leeds This is a great job for someone who is passionate about cyber security, enjoys solving complex problems, and loves using data...Read More>>.

Posted: June 6th, 2026
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Senior Lead Software Engineer- Java (Tech Lead/Staff Level) - Chase UK

Company IconAumni
Location IconLondon

Senior Lead Software Engineer- Back-end Engineer - Chase UK At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to tran...Read More>>.

Posted: June 6th, 2026
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Security Engineer (AppSec) in Belfast - Cloudsmith

Company IconJava Script Works
Location IconBelfast

Security Engineer (AppSec) Belfast, United Kingdom Posted about 1 year ago Tech stack JavaScript Security API TypeScript Cloud Node.js Amazon AWS Python...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer, Warehousing & Logistics (Cloud)

Company Icon慨正橡扯
Location IconLondon

慨正橡扯 is seeking a skilled backend developer to join its M&S Software Engineering team in Greater London. You will build and maintain cloud-based software, mentor fellow engineers, and contribute to ongoing innovation within a dynamic team....Read More>>.

Posted: June 6th, 2026
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Global Full-Stack Python/React Engineer: Prototyping Impact

Company IconVitol Group
Location IconLondon

Vitol Group is seeking a Full Stack Desk Developer proficient in Python and React to join their Greater London team. The role involves working collaboratively across various business lines, developing innovative full-stack applications aimed at op...Read More>>.

Posted: June 6th, 2026
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AI DevOps & Backend Engineer — Equity & Remote

Company IconReccreate
Location IconLondon

A founder-led AI business in London is seeking a skilled DevOps & Backend Specialist to join its team. The role offers a competitive salary of up to £150k, equity participation, and the chance to work in a flexible environment. Responsibilities incl...Read More>>.

Posted: June 6th, 2026
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Ruby on Rails Backend Engineer

Company IconOnyx-Conseil
Location IconLondon

Senior Ruby on Rails Engineer — Fulham (2/3 days on-site)£60,000 - £80,000 + Private Healthcare & Benefits This is an excellent opportunity for a Mid-to-Senior Ruby on Rails Engineer to join a start-up in a role where you...Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer for Customer Services

Company IconStarling Bank
Location IconLondon

Starling Bank is looking for a highly motivated engineer to join our Customer Service Engineering Group. This role plays a key part in building robust, scalable code while collaborating across teams. Candidates should have at least 5 years of experie...Read More>>.

Posted: June 6th, 2026
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Staff Backend Engineer, AI-Driven Agent Platform

Company IconTide
Location IconLondon

A leading fintech company in the UK is seeking a Staff-level Backend Engineer (AI) to enhance backend systems and integrate Generative AI capabilities. Responsibilities include building core services, designing reliable services, and collaborating ac...Read More>>.

Posted: June 6th, 2026
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Senior Platform Lead Engineer: Java/SpringBoot on GCP

Company IconLinuxRecruit
Location IconLondon

LinuxRecruit is seeking a Lead Developer in Greater London to spearhead the development of applications and APIs using Java within a SpringBoot framework on a GCP Platform. This role emphasizes leadership and mentoring junior developers, enabling per...Read More>>.

Posted: June 6th, 2026
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Staff Backend Engineer & Tech Lead Manager - Lead AI Cloud

Company IconNebius
Location IconLondon

Nebius, located in Greater London, is seeking a Team Lead for the mk8s Core team. This pivotal role involves leading the team responsible for managing Kubernetes system features, overseeing mid-to-senior engineers, and maintaining the technical visio...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - FinTech AI Platform

Company IconModel ML
Location IconLondon

A leading AI solutions provider in Greater London is seeking an experienced Senior Backend Engineer to design and implement robust backend systems. You will tackle technical challenges in AI and finance, collaborating with diverse teams to ensure sec...Read More>>.

Posted: June 6th, 2026
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Remote Principal Backend Engineer - Enterprise SaaS Video

Company IconSynthesia
Location IconLondon

Synthesia is seeking a Senior Software Engineer to lead projects across multiple teams, focusing on backend challenges within their engineering organization. With a minimum of ten years in software engineering and two in a senior position, you will d...Read More>>.

Posted: June 6th, 2026
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Cloud Backend Engineer – C#/.NET | AI-Driven Dev

Company IconBudweiser Brewing Group (AB InBev)
Location IconLondon

Budweiser Brewing Group (AB InBev) is looking for a backend engineer to contribute to the PerfectDraft platform. In this London-based role, you will build and maintain APIs, collaborate with various teams, and write clean, maintainable code. Ideal ca...Read More>>.

Posted: June 6th, 2026
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Senior Developer — .NET, React & Azure Expert

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a Senior Developer in Greater London. This key role requires strong proficiency in C#, .NET, React, and Azure, working collaboratively with developers, UX/UI designers, and stakeholders to ensure high-quality products....Read More>>.

Posted: June 6th, 2026
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DevOps Engineer (Contract) — Kubernetes & CI/CD

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a DevOps Engineer to work primarily in London, United Kingdom. The role focuses on container technologies and solid programming in languages like Java and Python.The ideal candidate will manage CI/CD pipelines a...Read More>>.

Posted: June 6th, 2026
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Senior Java Automation Engineer, FX eTrading

Company IconCitigroup Inc.
Location IconLondon

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can ma...Read More>>.

Posted: June 6th, 2026
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AI Engineer in London - Grasp

Company IconJava Script Works
Location IconLondon

AI Engineer London, United Kingdom | Posted about 1 year ago About Grasp Grasp is an AI-powered customer conversations platform that unifies communication channels, enabling businesses to control and optimize customer s...Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer (AWS, REST, SOAP) – Hybrid – Sussex

Company IconSalt Digital Recruitment
Location IconLondon

Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex Daily rate: £500 - £700 (inside IR35) Duration: 6 months Hybrid: 2 days per week (Tues + Wed) Start: ASAP My new client is looking for a highly skilled Senior Java Engineer to join thei...Read More>>.

Posted: June 6th, 2026
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UI Engineer: Design System & Accessible React UI

Company IconJava Script Works
Location IconAntrim

Experience and SkillsExperience documenting large CSS codebases or using systems like BEM or ITCSS. Familiarity with Tailwind, CSS-in-JS, or other styling strategies. Exposure to UI testing tools like Storybook, Chromatic, or Jest. Kno...Read More>>.

Posted: June 6th, 2026
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Lead Java Full-Stack Developer | Spring Boot & Frontend

Company IconELLIOTT MOSS CONSULTING PTE. LTD.
Location IconPenarth

ELLIOTT MOSS CONSULTING PTE. LTD. is seeking an experienced Application Lead with strong Java Full Stack Development skills based in Penarth, United Kingdom. The role involves designing scalable web and mobile applications, mentoring junior developer...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - Real-Time Sports Pricing - Remote

Company IconHard Rock Digital
Location Icon

Hard Rock Digital is seeking a Senior Backend Engineer for its Quantitative Sports team to develop a low-latency pricing engine. This highly autonomous role involves architecting backend services and optimizing performance under user load.T...Read More>>.

Posted: June 6th, 2026
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Lead Backend Engineer - AI

Company IconMidnite Limited
Location Icon

The Role Title: Lead Backend Engineer (AI & Back Office) Team: AI & Back Office Location: Remote UK This role will play a central part in how Midnite scales internal operations and defines the practical use of AI a...Read More>>.

Posted: June 6th, 2026
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