Front-End Developer - Secure, Mission-Critical Web Apps

Company IconAnson McCade
Location IconLondon

A leading digital consultancy in the UK is seeking a Front-End Developer to join its national security practice. In this role, you will design and build high-performance web applications and collaborate closely with UX designers and product teams. Th...Read More>>.

Posted: April 17th, 2026
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Senior Backend Engineer: Node.js & Scalable APIs

Company IconXYZ Reality
Location IconLondon

A leading tech startup in the UK is looking for a Backend Engineer with strong Node.js programming skills to develop scalable backend services. Responsibilities include designing and maintaining RESTful APIs, optimizing database performance, and coll...Read More>>.

Posted: April 17th, 2026
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Senior FX Tech Developer – Hybrid, Low-Latency Systems

Company IconCitigroup Inc.
Location IconLondon

A global financial services firm seeks a hands-on engineer to implement FX payments and trading systems. Candidates should understand FX and possess ultra-low-latency development practices. Responsibilities include working with FX technology teams, e...Read More>>.

Posted: April 17th, 2026
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Power BI Developer: Build Insightful Dashboards & Automated Reports

Company IconPeregrine
Location IconLondon

A leading consulting firm in Greater London is looking for a Power BI Developer to design and deliver data visualization solutions. The role involves developing dashboards, maintaining data accuracy, and supporting analytics platform governance. Idea...Read More>>.

Posted: April 17th, 2026
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Java Backend Engineer - Real-Time Sports Platform

Company IconBeyond Sports
Location IconLondon

A leading sports technology company in Greater London seeks a passionate Software Engineer (Java) to build innovative solutions that engage sports fans. The role involves developing high-quality Java applications, collaborating with cross-functional...Read More>>.

Posted: April 17th, 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: April 17th, 2026
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Senior Java Backend Engineer for Scalable Quote API

Company IconTesco
Location IconLondon

A leading retail company in London is seeking a Java engineer to enhance developer experience and modernise its core systems. You will work on building components for a significant transformation project, with responsibilities including CI/CD pipelin...Read More>>.

Posted: April 17th, 2026
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Full-Stack AI UI/UX Engineer | Equity Options

Company IconSolve Intelligence
Location IconLondon

A leading AI startup in Greater London is seeking a Full-Stack Engineer (Front-End Leaning) to innovate user interfaces for AI-assisted legal work. You will contribute to the design and development of high-performance tools, working closely with AI e...Read More>>.

Posted: April 17th, 2026
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Staff Software Engineer – AI-Driven FinTech Platform

Company Iconmoney.co.uk
Location IconLondon

A leading financial services platform is looking for a Staff Software Engineer to join their London team. You will work on full stack development, contributing to cloud-native applications with a focus on TypeScript and React. The role emphasizes AI...Read More>>.

Posted: April 17th, 2026
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Remote Full-Stack Node/Next Dev (3-Month Contract)

Company IconiO Associates
Location IconLondon

A dynamic technology consultancy in the UK is seeking experienced developers on a 3-month contract, with potential for extension. The role entails developing and maintaining scalable, full-stack web applications using Next.js and Node.js. Candidates...Read More>>.

Posted: April 17th, 2026
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Senior Software Developer, Realtime (Brahma AI - A DNEG Dedicated Unit of Brahma)

Company IconDNEG
Location IconLondon

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Position at DNEG Senior Software Developer, Realtime The Technology department at Brahma DDU is responsible for creating...Read More>>.

Posted: April 17th, 2026
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Senior Backend Engineer – PHP/Symfony & API Architect

Company IconAltoVita
Location IconLondon

A dynamic technology company in Greater London is looking for a motivated mid/senior Backend Engineer to enhance their PHP and Node.js applications. This role focuses on driving technology strategies, developing a robust cloud-based content managemen...Read More>>.

Posted: April 17th, 2026
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Full Stack Engineer (£100k + Equity) at yhangry

Company IconJack & Jill/External ATS
Location IconLondon

Company Descriptionyhangry - YC-backed AI-native marketplaceJob DescriptionJoin yhangry as the third engineer to rebuild the UK's largest private chef marketplace from the ground up. You will architect a brand-new, AI-n...Read More>>.

Posted: April 17th, 2026
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C# Intern Developer — Front Office FX Tech

Company IconCrédit Agricole SA
Location IconLondon

A leading bank in the United Kingdom seeks an Intern Developer to work closely with front office users in financial services. The role offers significant exposure to financial products and responsibilities include managing project deliveries and deve...Read More>>.

Posted: April 17th, 2026
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Senior BI Developer - Microsoft Fabric & Infor M3 | Remote

Company IconNigel Frank
Location IconLondon

A leading global organization is seeking a Senior BI Developer to lead BI development with Microsoft Fabric at its core. The role involves designing ETL pipelines, building robust Power BI datasets, and delivering transformations using Python and PyS...Read More>>.

Posted: April 17th, 2026
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Senior Research Software Engineer Multiphoton Brain Imaging

Company IconSociety of Research Software Engineering
Location IconLondon

A prestigious research institution in London seeks a research software engineer to develop algorithms for processing functional brain imaging data. The role involves building efficient software solutions to aid neuroscience research. Ideal candidates...Read More>>.

Posted: April 17th, 2026
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Backend Engineer (Python) for AI-First Patent Platform

Company IconNLPatent
Location IconLondon

A leading AI-first patent research platform in the UK seeks a software engineer to develop core features and collaborate with senior engineers. Candidates should have over 2 years of engineering experience, strong Python skills, and familiarity with...Read More>>.

Posted: April 17th, 2026
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Senior Backend Engineer — Scale Node.js Systems

Company IconXYZ Reality
Location IconLondon

A dynamic startup in Greater London is looking for a Backend Engineer with strong Node.js expertise to help transition from Java to Node.js and build scalable backend services. The ideal candidate will have a Bachelor's degree in Computer Science and...Read More>>.

Posted: April 17th, 2026
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Full Stack .NET Developer – C#, Azure, REST API | Remote

Company IconNoir
Location IconLondon

A global software innovator in London is seeking a skilled .NET Developer to join their dynamic team. In this role, you'll work on groundbreaking .NET and C# software products while enjoying the flexibility of remote work. The ideal candidate will ha...Read More>>.

Posted: April 17th, 2026
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Senior Backend Engineer - Scalable AI Systems

Company IconIprova Sàrl
Location IconLondon

A pioneering technology start-up is seeking a Senior Backend Engineer to build and scale its innovative software infrastructure in London. The successful candidate will be responsible for designing robust web applications and managing cloud-based inf...Read More>>.

Posted: April 17th, 2026
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Full-Stack Software Engineer, Fusion Platform (AWS)

Company IconTP ICAP Group
Location IconLondon

A global market infrastructure provider is looking for a Software Engineer to join a new team focused on building the next generation Fusion Platform in collaboration with AWS. This role involves technical contributions across various disciplines inc...Read More>>.

Posted: April 17th, 2026
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Full-Stack Engineer: Build AI-Driven FinTech Platforms

Company IconIntropic
Location IconLondon

A financial intelligence startup in London is seeking a versatile full-stack developer to join their growing team. You will work on a mix of backend services in Python and user-facing applications using React and TypeScript. The role involves cloud-n...Read More>>.

Posted: April 17th, 2026
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Lead Backend Engineer: Crypto-Scale Distributed Systems

Company IconMLabs
Location IconLondon

A high-performance technology firm is looking for a Lead Backend Engineer in Greater London. This role involves owning complex backend challenges, setting technical direction, and designing distributed systems. Ideal candidates will have strong profi...Read More>>.

Posted: April 17th, 2026
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Staff Software Engineer – Lead AI-Native Security & Scale

Company IconSnyk Ltd.
Location IconLondon

A leading secure software development company in London is seeking a Staff Software Engineer to lead the design and implementation of large-scale solutions. You will play a pivotal role in driving engineering efforts and mentoring junior engineers. I...Read More>>.

Posted: April 17th, 2026
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Senior Rust Backend Engineer for Scalable AI Services

Company IconRustsyndi
Location IconLondon

A tech-focused company in London is looking for an experienced Backend Grok and xAI Rust Developer to join their team. The role includes designing reliable backend systems and ensures service observability while collaborating with teams across locati...Read More>>.

Posted: April 17th, 2026
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Contract Tech Lead - Fullstack (Java/React)

Company IconAND Digital
Location IconLondon

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 months Start Date: Early April Location: London On site requirement: 2dpw in London - City of London Office...Read More>>.

Posted: April 17th, 2026
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Junior Developer — Crypto, Rust & .NET, 24/7 Operations

Company IconPulsar
Location IconLondon

A leading technology company in Greater London is seeking a Junior Developer to maintain and improve applications using Rust and .NET technologies. You will work in a collaborative, agile environment with a focus on production support and system enha...Read More>>.

Posted: April 17th, 2026
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Risk Software Engineer - Full-Stack Python & AI-Driven Engines

Company IconMarex Group
Location IconLondon

A leading financial services firm in Greater London is seeking a Software Developer to join its Technology department. This role focuses on enhancing Risk Engines and collaborating within a dynamic team. Candidates should have full-stack Python skill...Read More>>.

Posted: April 17th, 2026
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Cloud-First Full-Stack Developer (AWS, .NET & Python)

Company IconEdenbrook
Location IconLondon

A growing Lloyd’s Insurer in Greater London is seeking a Full-Stack Developer. The role involves building and maintaining AWS-based applications, developing cloud-native software solutions using Python and C#, and integrating systems with AWS tools...Read More>>.

Posted: April 17th, 2026
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Staff Backend Engineer — Remote, Impactful FinTech Systems

Company IconMonzo Bank
Location IconLondon

A leading UK bank is seeking a Staff Engineer to join their dynamic team. In this role, you will collaborate with various teams to enhance the backend of their innovative financial services. The ideal candidate will have experience with distributed s...Read More>>.

Posted: April 17th, 2026
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Cloud-Native Backend Engineer (Python/AWS)

Company IconIntropic
Location IconLondon

A leading financial technology start-up in Greater London is seeking a motivated backend engineer to help define and build cloud-native services. Candidates should have expertise in Python and experience with AWS, Docker, and Infrastructure as Code u...Read More>>.

Posted: April 17th, 2026
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Senior AI-Driven Developer Advocate

Company IconGrafana Labs
Location IconLondon

A leading open-source technology company in the UK is seeking a Software Engineer to develop the Interactive Learning Plugin for Grafana. This remote role focuses on enhancing user learning experiences by shipping features and supporting contribution...Read More>>.

Posted: April 18th, 2026
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Senior AI‑Driven C# .NET Finance Developer

Company IconMarex Group
Location IconLondon

A leading finance technology firm located in Greater London is seeking a Senior Developer specialising in C# .NET. You will play a crucial role in developing secure web-based finance platforms, leveraging AI-assisted tools to enhance productivity and...Read More>>.

Posted: April 18th, 2026
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Java Developer for Trading (Securities Lending) - VP

Company IconCitibank (Switzerland) AG
Location IconLondon

For additional information, please review .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+ coun...Read More>>.

Posted: April 19th, 2026
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Senior Software Engineer – AI-Driven Payments

Company IconCheckout Ltd
Location IconLondon

A global payments technology company in Greater London is looking for a Senior Software Engineer to develop next-generation payment technologies. The role involves leading projects, designing scalable systems, and collaborating with cross-functional...Read More>>.

Posted: April 19th, 2026
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Senior Back End Developer - Java and AWS (27629)

Company IconEcm Selection
Location IconLondon

This company is developing an AWS-based platform to securely share medical diagnostics between clinicians and researchers worldwide, and enable online characterisation and measurements from scan images. This will feed into a better understandin...Read More>>.

Posted: April 20th, 2026
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DevOps Backend Engineer – Lisbon (Onsite)

Company IconAir Apps
Location IconLondon

A technology company is seeking a DevOps Engineer – Backend to join their team in London. This fully onsite position involves designing, automating, and maintaining cloud infrastructure, ensuring reliability, security, and cost-effectiveness. Candi...Read More>>.

Posted: April 20th, 2026
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Full-Stack Engineer (£60k-£90k) at Lakeshield.com

Company IconJack & Jill/External ATS
Location IconLondon

Job Title Full-Stack Engineer Salary £60k-£90k Company Description Lakeshield.com - Privately funded UK property lender specializing in bridging and development finance. Job Description...Read More>>.

Posted: April 20th, 2026
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Staff Backend Engineer – Global Banking Platform

Company IconStarling
Location IconLondon

A fintech company in Greater London is seeking a Backend Software Engineer to enhance their technology platform. The role involves working in a hybrid model while producing high-quality code in Java and contributing to cloud-native architectures. Can...Read More>>.

Posted: April 21st, 2026
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Senior Backend Engineer - Web & Game Infrastructure (Remote)

Company IconPRELOADED
Location IconLondon

A BAFTA-winning games studio in Greater London is seeking a seasoned Backend Developer to design and develop scalable microservices. The role involves collaboration with technical teams to create robust backend services and optimizing performance on...Read More>>.

Posted: April 22nd, 2026
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Senior Backend Engineer — Scalable APIs & Systems

Company IconPublicis Groupe UK
Location IconLondon

A leading marketing firm in Greater London seeks a Senior Backend Engineer to design and develop scalable backend systems. You will write production-grade code, solve distributed systems challenges, and collaborate with cross-functional teams. The id...Read More>>.

Posted: April 22nd, 2026
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Agent-Powered Full-Stack Engineer for AI Brand Platforms

Company IconHotspex
Location IconLondon

A technology consulting firm in Greater London is seeking a Full Stack Engineer to build advanced AI products. This role involves developing autonomous systems for major brands and seeing your work in action quickly. Ideal candidates are skilled in R...Read More>>.

Posted: April 22nd, 2026
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Backend Developer - Web/Game Infrastructure (Contract) PRELOADED

Company IconPRELOADED
Location IconLondon

Contract: (Hybrid/Remote)OverviewWe’re seeking a seasoned Backend Developer with a proven track record in building scalable and robust architectures, and an instinctive understanding of how to deliver seamless digital...Read More>>.

Posted: April 22nd, 2026
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Senior Android Engineer | AI‑Powered Mobile & SDR UI

Company IconMotorway
Location IconLondon

A leading UK used car marketplace is seeking a Senior Android Engineer to enhance their cutting-edge platform. The role includes leading Android feature design, collaborating with cross-functional teams, and implementing mobile infrastructure. Key re...Read More>>.

Posted: April 23rd, 2026
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Full-Stack Engineer - EdTech Impact & Adoption (Share Options)

Company IconConnecting Education
Location IconLondon

An EdTech disruptor in Greater London is seeking a Full-Stack Developer to join their innovative team. You will work closely with experienced leaders to enhance their platform, focusing on product development and customer success. This role requires...Read More>>.

Posted: April 24th, 2026
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Staff Software Engineer - AI-Driven Games

Company IconGoogle Inc.
Location IconLondon

A leading technology firm in London is seeking a Staff Software Engineer to work within the Inception team at DeepMind. The role involves integrating generative AI into gaming experiences, leading technical strategies, and collaborating with multi-di...Read More>>.

Posted: April 24th, 2026
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Full-Stack Engineer - End-to-End Mobile & API Delivery

Company IconHiya
Location IconLondon

Hiya in London is seeking a full-stack engineer to own end-to-end features across its products including API, iOS, and Android. This role demands comfort in diverse surfaces, planning workflows, and delivering solutions through collaboration and iter...Read More>>.

Posted: April 25th, 2026
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Backend Software Engineer – Hybrid (Node.js/TS, GCP)

Company IconFreetrade
Location IconLondon

About FreetradeFreetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings.We’re changing that.We...Read More>>.

Posted: April 25th, 2026
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Power BI / Power Apps Developer

Company IconMethods Business and Digital Technology
Location IconLondon

Salary: £60k to £70k Methods is recruiting for a Power BI / Power Apps Developer to join our team within the Public Sector Business Unit on a permanent basis. This role will be mainly remote but requires flexibility to tr...Read More>>.

Posted: April 26th, 2026
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Java Software Engineer - Cloud, AI & Research Impact

Company IconElsevier
Location IconLondon

Elsevier in Greater London is seeking a Software Engineer to enhance the quality of scientific research. As part of an Agile team, you will design and develop cloud-hosted applications while collaborating with stakeholders. The ideal candidate has pr...Read More>>.

Posted: April 27th, 2026
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