Senior C# Engineer for Greenfield Trading Systems

Company IconHarrington Starr
Location IconLondon

An innovative proprietary trading firm in London is looking for a Senior C# Software Engineer. You will work on greenfield projects and use cutting-edge technology to influence trading systems. The ideal candidate will have a strong background in C#...Read More>>.

Posted: January 11th, 2026
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Senior Software Engineer - Build a Trading Exchange (Go)

Company IconForge Sports
Location IconLondon

A technology firm specializing in sports trading is seeking a Senior Software Engineer to join their team in London. As an early engineer, you will work closely with the CTO on building mission-critical distributed systems for their exchange platform...Read More>>.

Posted: March 4th, 2026
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Senior Software Engineer, Global Pub Admin Platform

Company IconSony Music Entertainment
Location IconLondon

A leading music entertainment company in London is seeking a Senior Software Engineer to join our Pub Admin development team. In this role, you'll work on a modern rights and royalty platform, contributing to high-quality user experiences through you...Read More>>.

Posted: March 19th, 2026
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Senior Software Engineer - Fixed Income & Derivatives (Functional Programming)

Company IconBloomberg L.P.
Location IconLondon

Location London Business Area Engineering and CTO Description & Requirements As a financial data, news, and analytics market leader, Bloomberg continuously invests in its technology to keep delivering the be...Read More>>.

Posted: March 19th, 2026
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Senior Software Engineer — Payments Innovator in London

Company IconJR United Kingdom
Location IconLondon

Social network you want to login/join with:Senior Software Engineer, london (city of london)col-narrow-leftLocation:london (city of london), United KingdomJob Category:Other-EU work pe...Read More>>.

Posted: March 24th, 2026
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Senior Go Engineer — Real-Time Payments (Visa Sponsorship)

Company IconSoftware Careers
Location IconLondon

A technology solutions provider is seeking a Senior Software Engineer (Go) to work on cloud-native payment processing systems for major banks and financial institutions. This role offers UK and EU visa sponsorship. You will develop Go microservices o...Read More>>.

Posted: March 31st, 2026
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FX eTrading Java Developer - VP

Company IconCitigroup Inc.
Location IconLondon

About Citi As the world’s most global bank, Citi gives you the tools to be a trailblazer. We’re not just building technology; we’re building the future of banking. With thousands of employees located around the globe, we are an i...Read More>>.

Posted: March 31st, 2026
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Founding Python Engineer - Early Stage Start-Up - London

Company IconOho Group Ltd
Location IconLondon

OverviewFounding Python Engineer required for an early stage start-up building the future of AI-powered data processing. Joined by a founding team from leading industry names and backed by prestigious VC and angel investors, this is a...Read More>>.

Posted: April 11th, 2026
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Senior Real-Time Software Engineer, SC-Cleared, Undersea

Company IconALTEN LTD - UK
Location IconManchester

A leading engineering service provider in Manchester is seeking a Senior Software Development & Deployment Engineer to design, integrate, and deploy high-performance real-time software applications. The ideal candidate will possess over 8 years of ex...Read More>>.

Posted: April 11th, 2026
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Cloud Security Engineer — AWS, Zero-Trust & IAM

Company IconVanguard
Location IconManchester

A leading investment firm in Manchester is seeking a cloud cybersecurity specialist to design and evolve cybersecurity platforms. The ideal candidate will have strong expertise in AWS and Infrastructure as Code with tools like CloudFormation and Terr...Read More>>.

Posted: April 11th, 2026
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Senior Software Engineer – Node/AWS, Hybrid & Remote

Company IconScreenCloud Limited
Location IconBelfast

A dynamic SaaS company in Belfast is seeking an experienced Software Engineer to enhance their API and infrastructure. The role involves developing in TypeScript on AWS, designing scalable solutions, and collaborating closely with teams to focus on u...Read More>>.

Posted: April 11th, 2026
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Senior Software Engineer - Billing Microservices (Hybrid)

Company IconApex Fintech Solutions LLC
Location IconBelfast

A fintech solutions provider in Belfast is seeking a Senior Software Engineer to join the Billing engineering team. The role focuses on designing and developing software solutions, including building microservices and optimizing code for billing oper...Read More>>.

Posted: April 11th, 2026
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Senior Software Engineer - Mission-Critical Mobile Apps (Hybrid UK)

Company IconMotorola Solutions
Location IconGlasgow

A global technology firm in Glasgow is seeking a Senior Software Engineer to develop complex full stack software solutions. The role is hybrid, allowing for work from home and office collaboration. Ideal candidates will have over 5 years of experienc...Read More>>.

Posted: April 11th, 2026
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Security Platform Engineer – Cloud Security & Automation

Company IconDWP Digital
Location IconManchester

A UK government department is seeking experienced Security Platform Engineers to implement security controls and develop systems for organizational security. You will design and manage security platforms, working with cloud security and other advance...Read More>>.

Posted: April 11th, 2026
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Oracle Fusion Cloud Architect — Hybrid Contract, London

Company IconComputappoint
Location Icon

A leading highly-regulated firm in London is seeking an experienced Oracle Cloud Financials Technical Architect on an urgent contract basis. The role involves providing comprehensive support and development for the Oracle Fusion ERP system, focusing...Read More>>.

Posted: April 11th, 2026
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Low Latency Linux Engineer - Optimise low-latency trading infrastructure

Company IconSaragossa
Location IconLondon

OverviewConsultant at Saragossa - Creating competitive advantage for investment technology organisations. Low Latency Linux Engineer - Optimise low-latency trading infrastructure for an HFT trading firm and bridge the gap between Appli...Read More>>.

Posted: April 11th, 2026
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Senior Full-Stack Engineers (multiple roles available) in Manchester - MRJ Recruitment

Company IconJava Script Works
Location IconManchester

Example on Clean, Well-Tested CodeBe trusted to influence big decisions, not just build tickets.Tech Stack:Frontend: React, TypeScript, Next.jsBackend: .NET Core (C#), REST APIsInfra: AWS (ECS, Fargate...Read More>>.

Posted: April 11th, 2026
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Lead IT Security Engineer (Zscaler)

Company IconThe Depository Trust & Clearing Corporation (DTCC)
Location IconLondon

1 day ago Be among the first 25 applicantsDirect message the job poster from The Depository Trust & Clearing Corporation (DTCC)Transforming lives one opportunity at a time.Are you ready to make an impact at DTCC?...Read More>>.

Posted: April 11th, 2026
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Full Stack Software Engineer – Early-Stage HealthTech/FinTech - TWE42522

Company IcontwentyAI
Location IconLondon

OverviewFull Stack Software Engineer – Early-Stage HealthTech/FinTech - London. Permanent | Competitive Salary + Equity | Seed-Stage Startup | AI, FinTech, Healthcare.We are representing a well-funded, early-stage startup rede...Read More>>.

Posted: April 11th, 2026
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Junior C# Developer - Global Investment Firm - £80,000

Company IconSaragossa
Location IconLondon

Get AI-powered advice on this job and more exclusive features.Direct message the job poster from SaragossaPrincipal Consultant at Saragossa - Creating competitive advantage for investment technology organisations | Software Developm...Read More>>.

Posted: April 11th, 2026
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Senior Software Engineer: Real-Time Routing & ML Systems

Company Iconrelaytech.co
Location IconLondon

A fast-growing logistics company in Greater London is seeking a Software Engineer to tackle complex problems in routing and optimization. The role emphasizes collaboration with a talented team, regular code deployment, and significant impact on e-com...Read More>>.

Posted: April 11th, 2026
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Software Engineer - Machine Learning

Company IconDuku AI
Location IconLondon

QA slows the world down. Flaky tests kill trust, stall releases, and bleed engineering velocity.Duku AI is ending that era.We’re building autonomous agents that think like engineers : they run every critical user journe...Read More>>.

Posted: April 11th, 2026
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Ruby on Rails Developer

Company IconOliver Bernard
Location IconLondon

OverviewRuby Developer - FinTech - Up to 55kI’m working exclusively with a scaling fintech client (so you won't hear this via another recruiter) who are expanding their footprint in the market. They’re looking for mul...Read More>>.

Posted: April 11th, 2026
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Lead UX Engineer for AI Startup - Hybrid London

Company IconTrust In SODA
Location IconLondon

A leading recruitment agency is seeking a Senior Principal Consultant to lead the UX team for an exciting start-up in the AI space. This hybrid role requires a strong background in design principles and collaboration with cross-functional teams. You...Read More>>.

Posted: April 11th, 2026
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React Native Developer - Finance

Company IconClient Server
Location IconLondon

1 week ago Be among the first 25 applicantsThis 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 rangeDirect message the job...Read More>>.

Posted: April 11th, 2026
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Quant Developer: Trading Systems & Research (Remote)

Company IconHunter Bond
Location IconLondon

4,000+ Quantitative Developer Jobs in United StatesQuantitative Developer (C++ & Python) | New Team Build (Seattle) | Elite Quant Hedge FundTrading/Quantitative Modeling | Analyst | New YorkSenior Quant Developer |...Read More>>.

Posted: April 12th, 2026
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Senior Mobile Engineer - React Native (Cross‑Platform IoT)

Company IconNinjakitchen
Location IconLondon

A global consumer product company in Greater London is seeking a talented Mobile App Developer to join their team. The ideal candidate will have a strong background in React Native development for both iOS and Android platforms. You will collaborate...Read More>>.

Posted: April 17th, 2026
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Senior Traffic Engineer - Remote, Impacting Urban Mobility

Company IconAccess Talent Group
Location IconLondon

A consultancy firm in London is seeking a Senior Traffic Engineer to enhance safety in transportation systems. You will engage in feasibility studies, impact modelling, and collaborate with teams to deliver innovative solutions. Candidates should hav...Read More>>.

Posted: April 17th, 2026
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Senior Platform Engineer, Data & AI Platform

Company Iconalbelli
Location IconLondon

A leading technology firm in London is searching for a Senior Platform Engineer to enhance its Data & AI engineering sub-team. You will be responsible for building scalable technology platforms while automating deployment processes. Applicants should...Read More>>.

Posted: April 17th, 2026
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Azure Cloud Architect for Football Operations (12-Month)

Company IconThe Football Association
Location IconLondon

A leading sports organization in the UK is seeking a Solutions Architect for a 12-month fixed term contract. In this role, you will design cloud-first solutions critical to football operations, collaborating with cross-functional teams in an Agile en...Read More>>.

Posted: April 17th, 2026
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Linux Storage Engineer for HPC Go-Live 6-Month Contract

Company IconLevy Global
Location IconLondon

A technology staffing firm in London is seeking a mid-level Linux Systems Engineer to integrate storage platforms, execute compliance tests, and create technical documentation within a high-performance storage environment. Ideal candidates will have...Read More>>.

Posted: April 17th, 2026
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Senior Temporary Works Engineer - Lead & Mentor Projects

Company IconAccess Talent Group
Location IconLondon

A growing engineering consultancy in London is seeking a Temporary Works Engineer to manage and deliver various challenging projects. This role involves undertaking Temporary works designs, reviewing structural engineering analyses, and supporting a...Read More>>.

Posted: April 17th, 2026
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Senior Software Engineer II - Build Global Runner Training Platform

Company IconRunna
Location IconLondon

We're putting together a talented team to build the #1 training platform for RunnersWe help everyday runners become outstanding by building an incredible app providing world-class training, coaching and community for eve...Read More>>.

Posted: April 17th, 2026
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Senior Software Engineer – Cloud-Native Python

Company IconLow Carbon Contracts Company
Location IconLondon

A leading energy company is looking for a Senior Software Engineer to join their team in London. In this role, you will design and develop software solutions that support critical systems aimed at achieving Net Zero by 2050. This position requires st...Read More>>.

Posted: April 17th, 2026
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Director of Quantity Surveying – Higher Education (Cambridge)

Company IconApple Technical Recruitment (UK) Limited
Location IconCambridge

A leading consultancy in Cambridge is seeking a Director (Quantity Surveying) to lead their Higher Education sector team. This pivotal role entails overseeing large-scale university projects and providing strategic leadership. The ideal candidate sho...Read More>>.

Posted: April 17th, 2026
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Senior Python Engineer: Backend Architect & Mentor

Company IconWeekday AI (YC W21)
Location IconLondon

A technology company in London is seeking a Senior Software Engineer to join its engineering team. The role requires deep expertise in Python, with responsibilities including designing scalable applications, leading software development projects, and...Read More>>.

Posted: April 17th, 2026
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Senior Ruby Engineer - Hybrid, Equity & Impact

Company IconThe Electric Car Scheme
Location IconLondon

A leading green technology provider in the UK seeks a Senior Web Application Developer with 5+ years of experience. You will develop scalable applications using Ruby, Rails, React, and TypeScript. The role involves collaborating with product managers...Read More>>.

Posted: April 17th, 2026
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Senior Software Engineer – AWS Connect / Lex

Company IconHarrington Starr
Location IconLondon

AWSContactCentre/AmazonConnect-SoftwareEngineer Contract|12months|Hybrid(UK?based) Upto£700perdayInsideIR35 We’re partnering with a major UK enterprise expanding its AWS Contact Centre engineering capability. The t...Read More>>.

Posted: April 17th, 2026
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Lead Software Engineer - C# & Cloud (Hybrid, London)

Company IconTP ICAP Group
Location IconLondon

A leading market infrastructure provider is seeking a Software Engineering Team Lead in London. You will manage a cross-functional engineering team, focusing on developing innovative solutions in a collaborative Agile environment. Ideal candidates wi...Read More>>.

Posted: April 17th, 2026
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Senior Data Pipeline Engineer - AI-Driven & Large-Scale

Company IconBloomberg L.P.
Location IconLondon

A leading global finance and data company is seeking a Senior Software Engineer to build scalable data pipelines. The role demands strong backend Python expertise, a solid understanding of system design, and experience with ETL workflows. You'll work...Read More>>.

Posted: April 17th, 2026
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Senior DevOps Engineer: Kubernetes & GitOps Platform Lead

Company IconMondrian Alpha
Location IconLondon

A prestigious hedge fund in London is seeking a DevOps Engineer with a strong developer background to join their Platform Engineering team. This role focuses on Kubernetes in bare metal environments and GitOps workflows, aimed at evolving a modern pl...Read More>>.

Posted: April 17th, 2026
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Senior Software Engineer – .NET/C#, Azure, Onsite Cranfield

Company IconPearson Carter
Location IconAldershot

A start-up/scale-up company in the Travel/Events industry is seeking a Mid-Senior level developer to join their team. You will work on a platform that helps companies organize and plan events, ensuring processes and communication are streamlined. App...Read More>>.

Posted: April 17th, 2026
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Senior Platform Engineer: Private Cloud & Low-Latency Infra

Company IconBourne Search Ltd
Location IconLondon

A leading recruitment agency in London is seeking a deeply technical VP - Platform Engineer to build and scale private cloud infrastructure. The role entails developing automation tools, working on low-latency systems, and collaborating with various...Read More>>.

Posted: April 17th, 2026
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Senior D2C Platform Software Engineer

Company IconSony Music Entertainment (UK) Ltd.
Location IconLondon

A leading music company is seeking a Senior Software Engineer to join the D2C development team in London. This role focuses on building products that empower artists and labels, leveraging skills in frontend development (TypeScript, React, GraphQL) a...Read More>>.

Posted: April 17th, 2026
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Senior Software Engineer, Unified Platform - Global Markets

Company IconDRW
Location IconLondon

A leading trading firm in the UK is seeking a Senior Software Engineer to join their Unified Platform organization. This role involves developing tools for data acquisition, storage, and visualization, while collaborating closely with analysts and tr...Read More>>.

Posted: April 17th, 2026
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Senior Cloud Security Engineer – FinTech Infra (Hybrid, London)

Company IconEbury
Location IconLondon

A global fintech firm in London seeks a Senior Security Engineer specializing in Cloud Infrastructure. In this hybrid role, you'll manage cloud security across AWS and GCP, enhance security practices, and collaborate with various teams. The ideal can...Read More>>.

Posted: April 17th, 2026
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Senior Software Engineer - Node/TS on AI-Driven Cloud

Company IconAircall
Location IconLondon

A growing tech company in Greater London is seeking an experienced Senior Software Engineer to join their engineering team. In this role, you will design, develop, and operate business-critical features while mentoring fellow team members. The ideal...Read More>>.

Posted: April 17th, 2026
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Senior Software Engineer - Kotlin & Scalable API Platform

Company IconKi
Location IconLondon

A leading algorithmic insurance provider in Greater London is seeking a Senior Software Engineer to enhance their broker platform. You will develop robust software solutions, work with multi-disciplinary teams, and uphold engineering principles withi...Read More>>.

Posted: April 17th, 2026
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Senior Software Engineer II — Build Next-Gen Training Platform

Company IconRunna
Location IconLondon

A dynamic technology company in Greater London is seeking an experienced Engineer to architect, build, and deliver features across their platform. The ideal candidate will have at least 4 years of experience in frontend or backend development, with p...Read More>>.

Posted: April 17th, 2026
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Senior Software Engineer, Unified Platform - Global Markets

Company IconP2P
Location IconLondon

A diversified trading firm in Greater London is seeking a Senior Software Engineer to join their Unified Platform team. The role involves developing software solutions for data acquisition and visualization while collaborating closely with internal u...Read More>>.

Posted: April 20th, 2026
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