Fintech Python Engineer - Valuation Systems & Architecture

Company IconJava Script Works
Location IconLondon

Quant Capital is seeking a Junior Python Developer to join a leading FinTech company in London. The successful candidate will work on high-class Derivatives Instruments Valuation, helping to shape architecture. Proficiency in Python and frameworks li...Read More>>.

Posted: June 6th, 2026
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Senior IT Systems Sales Engineer - Data Center Solutions

Company IconVertiv
Location IconLondon

Vertiv is seeking a Senior Technical Sales Engineer for IT Systems to provide technical support and drive sales strategies. The role involves leading complex projects, mentoring team members, and collaborating with sales teams and consultants. Candid...Read More>>.

Posted: June 6th, 2026
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Senior Frontend Engineer - Trading Platform UI

Company IconAlpaca
Location IconLondon

Alpaca, a leading self-clearing broker-dealer in the UK, is seeking a Senior Frontend Engineer to design and implement applications enhancing user experiences. Candidates should have a minimum of 5 years in frontend development (TypeScript/React) and...Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer, Equinox Platform Lead (Hybrid)

Company IconCitigroup Inc.
Location IconLondon

Citigroup Inc. is looking for a Senior Java Engineer in Greater London to drive innovation in the Equinox team within Equity Derivatives Tech. This role involves architecting solutions, collaborating with stakeholders, and mentoring junior engineers....Read More>>.

Posted: June 6th, 2026
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Senior Frontend Engineer - Equity & Design Systems

Company IconXapien
Location IconLondon

A leading AI firm in Greater London is seeking a Senior Frontend Engineer to enhance user interfaces and experiences using React. You will collaborate with teams across the organization to build modern, accessible applications. The ideal candidate ha...Read More>>.

Posted: June 6th, 2026
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Full-Stack Engineer: Real-Time Portal (C#/.NET & React)

Company IconLorien
Location IconLondon

Lorien is seeking a Full Stack Engineer specializing in C# / .NET and React to join a leading investment bank. The role involves developing a high-impact web application and managing the entire development pipeline. Key responsibilities include desig...Read More>>.

Posted: June 6th, 2026
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Frontend Engineer — Desktop UI for AI Agents

Company IconOpenAI
Location IconLondon

About The Team The Codex App team builds and maintains the Codex desktop app and IDE extension — the primary ways developers interact with Codex. Our goal is to make AI feel like a real software engineering teammate inside real workf...Read More>>.

Posted: June 6th, 2026
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Frontend Engineer - Internal Tooling (Data Infra)

Company IconLuma AI
Location IconLondon

About Luma AI Luma's mission is to build multimodal AI to expand human imagination and capabilities. We believe that multimodality is critical for intelligence. To go beyond language models and build more aware, capable and useful syst...Read More>>.

Posted: June 6th, 2026
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Senior React Native Mobile Engineer — HealthTech & Wearables

Company IconExplore Group
Location IconLondon

A venture-backed HealthTech startup is seeking a Senior/Lead Mobile Engineer to build and scale a React Native application for managing cardiometabolic conditions. This hybrid role involves integrating wearable devices and real-time health data, requ...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer Java/Python for Critical Systems

Company IconALTEN
Location IconLondon

A global engineering consultancy is seeking a Backend Software Engineer to join their London team. The role involves designing and supporting high-reliability software platforms for complex systems, focusing on Java and Python development. Candidates...Read More>>.

Posted: June 6th, 2026
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Developer‑Focused Application Security Engineer

Company IconRoyal London
Location IconAlderley Edge

Royal London is seeking an Application Security Specialist to join our cyber testing team. The ideal candidate will have a strong application development background and engage with development teams to enhance application security throughout the SDLC...Read More>>.

Posted: June 6th, 2026
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Senior Java Backend Engineer | Enterprise Platform Leader

Company IconHunter Bond
Location IconLondon

A global financial services organisation is seeking a Senior Java Engineer to contribute to a vital enterprise platform. This hands-on role involves not only development but also shaping technical standards and collaborating with senior engineers to...Read More>>.

Posted: June 6th, 2026
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Camunda Architect / Lead Architect (Camunda 8 Preferred)

Company IconNextWave Consulting Ltd
Location IconLondon

Camunda Architect / Lead Architect (Camunda 8 Preferred) Location: London, UKWork Model: HybridEmployment Type: Full-time / Fixed Term ContractSeniority: Senior / Lead Role Overview...Read More>>.

Posted: June 6th, 2026
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Senior C# / React Developer — Trading Tools for Energy

Company IconOptions Group
Location IconLondon

Options Group is looking for a Senior C# / React Developer based in Greater London. You will be developing new trading tools and solutions for traders and analysts in a global team.The ideal candidate will have 3-5 years of experience with...Read More>>.

Posted: June 6th, 2026
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Lead Java/Scala Developer - Shape Digital Preservation

Company IconDigital Preservation Coalition
Location IconLondon

A leading digital archiving organization in London seeks a Lead Developer proficient in Java and Scala to oversee software development in their Digital Preservation team. You will manage systems critical to preserving national digital records and lea...Read More>>.

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

Company IconGrid Dynamics
Location IconLondon

A technology consulting firm in the City of London is seeking a Senior/Principal Java Developer specialized in low-latency systems for the financial services sector. The role involves developing high-performance Java applications, eliminating perform...Read More>>.

Posted: June 6th, 2026
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Developer Support Engineer

Company IconBraintrust
Location IconLondon

Join to apply for the Developer Support Engineer role at Braintrust Base pay range $139,400.00/yr - $228,850.00/yr About The Company Braintrust is the AI observability platform. By connecting evals...Read More>>.

Posted: June 6th, 2026
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Senior Front-End Engineer – Real-Time Web UI

Company IconTalan Group
Location IconLondon

A consulting firm is seeking a front-end developer for their Issuemaster real-time web application in Greater London. The ideal candidate will have at least 4 years of experience with Angular, 3 years with Typescript, and expertise in real-time web a...Read More>>.

Posted: June 6th, 2026
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Java Backend Engineer - Hybrid/Remote

Company IconTrades Workforce Solutions
Location IconLondon

A leading tech firm in Greater London is seeking a Java Developer to join its dynamic team. You will be responsible for designing and developing critical backend infrastructure supporting vital services. This role offers competitive compensation, fle...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack Engineer - Trading Platform (TS/React)

Company IconNPAworldwide
Location IconLondon

NPAworld is looking for a Senior Full-Stack Engineer to join their trading platform team in Waterloo, London. The candidate should have over 8 years of software development experience with at least 3 years in TypeScript, Node.js, and React. Responsib...Read More>>.

Posted: June 6th, 2026
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Business Development Executive – Modern Engineering Recruitment

Company IconLinuxRecruit
Location IconLondon

Business Development Executive – Modern Engineering RecruitmentYou’ll take the lead on building new relationships and reigniting historic ones, managing the sales cycle from first conversation right through to signed terms. You’l...Read More>>.

Posted: June 6th, 2026
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Lead Java Engineer: Real-Time Market Data at Scale

Company IconMan Group
Location IconLondon

Man Group is seeking an experienced Lead Engineer for their Real-time Market Data team in London. You will oversee the architecture of a multi-petabyte data infrastructure, ensuring the highest standards in delivering complex data processing solut...Read More>>.

Posted: June 6th, 2026
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Hybrid GenAI Deployment Engineer for Global Clients

Company IconSTRATOS Technologies Ltd.
Location IconLondon

STRATOS Technologies Ltd. is seeking a passionate Forward Deployed Engineer. You will work closely with industry leaders to embed our platform deep into their operations, solving complex business challenges through tailored implementations....Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer - Post-Trade Systems

Company IconMacquarie Group
Location IconLondon

A global financial services firm in Greater London is seeking a Java Engineer to design and develop scalable applications and microservices. The role includes integrating real-time data processing and supporting containerization efforts. Ideal candid...Read More>>.

Posted: June 6th, 2026
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Full Stack Next.js / React Developer

Company IconIP House
Location IconLondon

At IP House, we empower brands, legal professionals, and rights holders to manage and protect intellectual property, both online and offline, on a truly global scale. Through cutting-edge technology and deep cross-border expertise, we deliver s...Read More>>.

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

Company IconCertus Sales Recruitment
Location IconLondon

Staff Low‑Latency Trading Systems Engineer (HFT) Location: Remote (UK / Europe) Package: Highly competitive & fully negotiable (top‑end candidates will be very well rewarded) A cutting‑edge trading technology enviro...Read More>>.

Posted: June 6th, 2026
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Strategic Oracle Solutions Sales Leader

Company IconIBM
Location IconLondon

A leading technology company in Greater London is seeking a professional for a strategic role focused on driving revenue growth within Oracle accounts. The position requires deep expertise in Oracle solutions and account management, making it essenti...Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer – Enterprise-Grade Apps (Spring, CI/CD)

Company IconLSEG
Location IconLondon

A financial markets technology leader is establishing a talent pipeline for a Senior Java Engineer role. The position requires expertise in designing scalable Java applications using modern frameworks. Candidates should demonstrate proficiency in Jav...Read More>>.

Posted: June 6th, 2026
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Global Full-Stack Developer — Python & React Innovator

Company IconHuxley Associates
Location IconLondon

Huxley Associates is seeking a Full Stack Developer to create innovative solutions for various business lines. This role allows impactful contributions through developing applications utilized globally across commercial and operational teams....Read More>>.

Posted: June 6th, 2026
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Contract Senior Front End Engineer

Company IconNOBLE PANACEA
Location IconLondon

About the Company Noble Panacea is a new revolutionary skincare brand founded by Nobel Laureate Sir Fraser Stoddart and launched in October 2019. The ground‑breaking OSMV™ Technology at the core of the brand enables transformationa...Read More>>.

Posted: June 6th, 2026
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FinTech Node.js Developer - Build & Maintain Modern Apps

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a Node.js Developer in Greater London, United Kingdom. The ideal candidate will have solid experience with Node.js and a background in building innovative financial services products as well as maintaining existing applic...Read More>>.

Posted: June 6th, 2026
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Senior Java Backend Engineer: Scalable Microservices Lead

Company IconArrive
Location IconLondon

Arrive is seeking a Senior Backend Engineer to design and operate microservices for core products. Your focus will be on creating stable, secure, and scalable systems, while continuously improving quality and reliability.With 4+ years of ex...Read More>>.

Posted: June 6th, 2026
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Senior Pre-Sales Network Solutions Architect

Company IconRedRock Resourcing
Location IconLondon

RedRock Resourcing is looking for a Network Solutions Architect in Greater London. The role requires extensive collaboration with sales, technical, and delivery teams to design and deliver complex network and security solutions. Candidates should...Read More>>.

Posted: June 6th, 2026
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Senior Platform Frontend Engineer - Medical Imaging Hybrid

Company IconMotilent Ltd
Location IconLondon

Motilent Ltd seeks a Senior Software Engineer for their Platform Frontend Team, responsible for key components in an advanced medical imaging platform. The role requires hands-on development and technical leadership, including mentoring and archit...Read More>>.

Posted: June 6th, 2026
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Frontend Engineer (Mid) — AI‑Assisted, Hybrid Role

Company IconMotorway
Location IconLondon

Motorway is seeking a Mid-level Frontend Engineer to join our product team in Greater London. You will work with TypeScript, React, and AI tools to deliver high-quality web applications. The role involves end-to-end feature development, collaboration...Read More>>.

Posted: June 6th, 2026
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Frontend Engineer: Mission-critical UI for defense AI

Company IconHelsing
Location IconLondon

Helsing, a defense AI company, seeks a Frontend Engineer in Greater London. This role involves leading frontend development, enhancing user experience, and mentoring team members. Ideal candidates will be proficient in TypeScript and React, have expe...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack Engineer: TypeScript & Java Microservices

Company IconLegal & General
Location IconLondon

Legal & General is seeking a Senior Software Engineer to enhance their full‑stack development team. The successful candidate will work on TypeScript‑based frontend applications and Java/Spring Boot backend services, ensuring high-quality solut...Read More>>.

Posted: June 6th, 2026
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Senior VueJS Frontend Engineer for Real-Time IoT

Company IconIC Resources
Location IconLondon

IC Resources is seeking a Senior Frontend VueJS Developer to join their innovative technology team in London. In this role, you will develop frontend UI architectures for complex, large-scale systems that link real-world devices to modern cloud in...Read More>>.

Posted: June 6th, 2026
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Full Stack Engineer (Python and/or Java) – VP

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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Java Developer Intern: Build Real-World Apps & Spring Boot

Company IconSarima Tech
Location IconLondon

A technology company in the United Kingdom seeks an enthusiastic Java Developer Intern to join its development team. This role provides a unique opportunity to gain hands-on experience in software development, working on real-world projects while enh...Read More>>.

Posted: June 6th, 2026
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Senior Lead Java Backend Engineer - Cloud Microservices

Company IconAumni
Location IconLondon

TwinThread is seeking a Senior Lead Software Engineer in Greater London to deliver end-to-end solutions for cloud-native microservices applications. The ideal candidate will have significant experience in back-end software engineering, specifically w...Read More>>.

Posted: June 6th, 2026
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Senior Frontend Systems Engineer — UI Frameworks & TypeScript

Company Icontechstack Recruitment
Location IconLondon

A leading technology recruitment firm seeks a Senior Frontend Systems Engineer to build and optimise innovative UI frameworks. This hybrid role in London involves solving complex data problems and contributing to software used in critical application...Read More>>.

Posted: June 6th, 2026
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Staff Software Engineer: Platform Architect & AI Lead

Company IconCarta
Location IconLondon

A leading technology company in the United Kingdom is looking for a Staff Engineer to oversee the long-term technical health of business units. The role requires expertise in distributed systems, primarily with Python, React, and Postgres, alongside...Read More>>.

Posted: June 6th, 2026
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Principal React/Next.js Architect - Hybrid, High Impact

Company IconAccelero
Location IconLondon

Accelero is hiring a Principal Software Engineer to design and build scalable web applications using Next.js and React. The ideal candidate should have strong commercial experience with React & Next.js, and experience in CI/CD, specifically with GitH...Read More>>.

Posted: June 6th, 2026
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Low-Latency Java Engineer – Algo Trading Front Office

Company IconDeutsche Bank
Location IconLondon

Deutsche Bank is seeking a developer for its Quantitative Fixed Income Engineering team in London. You will focus on low latency applications, closely collaborating with engineers, quants, and traders. Ideal candidates will have strong Java skills, e...Read More>>.

Posted: June 6th, 2026
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Senior Java Payments Engineer - Scalable, Reliable Systems

Company IconStarling
Location IconLondon

Starling in Greater London is on the lookout for highly motivated engineers with at least 5 years of Java experience to join the Payment Schemes team. You will build and maintain the systems responsible for Starling’s payment integrations, ensur...Read More>>.

Posted: June 6th, 2026
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Java Platform Engineer - Quant Trading (Hybrid London)

Company IconHunter Bond
Location Icon

A leading technology-driven trading organization in the United Kingdom is seeking a Senior Software Engineer to join their innovative platform engineering team. This role involves building systems for data processing and collaborates closely with ana...Read More>>.

Posted: June 6th, 2026
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Principal Engineer (Architect) - TRE/Data Architecture

Company IconOur Future Health Limited
Location IconLondon

Our Future Health is an ambitious collaboration between the public, charity and private sectors, designed to help people live healthier lives for longer through better prevention, earlier detection and improved treatment of diseases. We will sp...Read More>>.

Posted: June 6th, 2026
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Hybrid Smart Building Solutions Designer (Pre-Sales)

Company IconAlecto Recruitment
Location IconLondon

Pre Sales Smart Building DesignerLondon | Hybrid Working Available£45,000 - £70,000 + Progression + Enterprise Level Projects The Opportunity We're working with a leading smart building and technology integration bus...Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer — BSS/OSS & Microservices Mentor

Company IconCerillion Technologies Ltd
Location IconLondon

A leading software company in Greater London is looking for a Senior Developer to join its Software Engineering team. The role involves technical design, development of BSS/OSS products, and mentoring junior developers. The ideal candidate will have...Read More>>.

Posted: June 6th, 2026
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