351 to 375 of 687 C# Jobs in London

Markets Structurer & PoC Implementation Lead

Location
Greater London, England, United Kingdom
This role applies our model-based approach to market abuse surveillance and collaborates across internal teams to deliver projects on time, using SQL, Python, C# and AI tools. #J-18808-Ljbffr ...

Senior Azure Platform Engineer | Remote Self-Service Infra

Location
Greater London, England, United Kingdom
London or the South Coast as required. The consultant will work on Terraform‐driven infrastructure, CI/CD pipelines, and cross‐stack development across C#, Python, and #J-18808-Ljbffr ...

Senior Full-Stack Engineer, Treasury Tech

Location
Greater London, England, United Kingdom
will partner with stakeholders, develop Treasury applications and own delivery timelines in a global tech environment. The role requires hands-on experience with .NET, C#, ASP.NET Web API, and frontend frameworks like Angular or Ember.js, plus cloud and database skills. You will contribute to end-to-end software lifecycle ...

Software Engineer, Localisation & Europe Compliance

Location
Greater London, England, United Kingdom
join our London squad, owning compliance and localization across Europe while delivering scalable backend services in a SaaS platform. You will work across C#/.NET, Angular, and AWS, coordinating with PMs and other squads to ship features that power millions of guest experiences. The role emphasizes async collaboration, high ...

Backend Engineer: Real-Time, Secure & Scalable with Equity

Location
Greater London, England, United Kingdom
agentic systems. This role sits in a high-calibre team and is not a narrowly scoped feature role. You will work with .NET (C#), SQL, and cloud platforms (Azure or AWS), collaborating with senior engineers and taking on increasing ownership as you grow. #J-18808-Ljbffr ...

Senior Financial Markets Solutions Consultant

Location
Greater London, England, United Kingdom
based market abuse surveillance expertise. The role requires deep financial markets knowledge, experience with fixed-income and derivatives, and strong programming skills (SQL, Python, C#). #J-18808-Ljbffr ...

Technical Consulting Manager — AI & Data Migration

Location
Greater London, England, United Kingdom
projects, and contribute to client engagements with a strong technical and strategic focus. The role requires proven leadership in customer-facing environments, experience with C# and ASP.NET, and advanced SQL skills. You will operate within a matrix organisation to deliver high-quality AI-driven consulting outcomes. #J-18808-Ljbffr ...

Dynamics 365 CE Consultant — Hybrid London

Location
Greater London, England, United Kingdom
will customize D365 CE and Power Platform, delivering scalable solutions across enterprise projects while collaborating with stakeholders and other developers. The role requires strong C#, .NET, JavaScript, and PCF skills, with ALM experience and Microsoft certifications preferred. Office presence in London 2-3 days/week is expected, with ...

Senior Software Engineer (SRE) – Low-Latency Trading

Location
City Of London, England, United Kingdom
DevOps to deliver reliable, scalable systems and drive improvements across the stack. You will mentor engineers, design complex features, improve observability, and work with C#, Rust and modern tooling in a cloud/on-prem environment, embracing learning and innovation. #J-18808-Ljbffr ...

Senior AI Engineer — Client-Facing LLM Apps

Location
London Borough of Southwark, England, United Kingdom
deliver AI assistants, agents and automations while ensuring security, testing and maintainable handover. The role emphasizes client-facing delivery, strong Python/C# development, API integrations, and governance across deployments. #J-18808-Ljbffr ...

Senior .NET Engineer — Backend APIs & Mentorship

Location
Greater London, England, United Kingdom
CreateFuture in Manchester is seeking a Senior .NET Engineer to own complex backend components end-to-end. You will design and build APIs in C# and .NET Core, mentor teammates, and contribute to architecture decisions in a cross-functional scrum team. You'll work with SQL Server or NoSQL stores ...

Hybrid Quantitative Engineer – Finance Data & AI Tools

Location
Greater London, England, United Kingdom
join the Global Analytics team. You will work on the Price Discovery platform, building and maintaining screens and analytics in a C++/C#/Python environment, with a focus on data pipelines, micro-services, and reusable libraries. This role offers hybrid work and exposure to multiple asset classes within ...

Senior Software Engineer - Global Finance for Entertainment

Location
Greater London, England, United Kingdom
transactions for a vast content catalog, collaborating with multiple teams across the globe. You will work on architecture and code in Java, C++, or C#, mentoring peers, and driving high-quality software delivery in a fast-evolving environment. #J-18808-Ljbffr ...

Senior Apps Dev Engineer - Real-Time Market Data & AI

Location
Greater London, England, United Kingdom
join the Commodities Technology team. You will help design scalable market data engines, APIs, and real-time distribution services across Java, Python, or C# environments. The role interfaces with Front Office desks and MQA, driving analytical capabilities and AI-enabled tooling. The position offers a hybrid work model ...

Senior Software Engineer — Equity & Impact (Cybersecurity)

Location
Greater London, England, United Kingdom
product direction within a world-class engineering team. The role demands 5+ years of software engineering experience across Python/Go/Java/C#, with a strong emphasis on system design and production ownership. London-based, startup pace with meaningful equity. #J-18808-Ljbffr ...

Full-Stack Dev Lead: Azure/.NET Cloud Solutions

Location
City Of London, England, United Kingdom
This role will bridge the technology-business gap and shape the future with innovative user experiences. The ideal candidate will have strong proficiency in C#/.NET, Azure, and experience in building scalable applications. Responsibilities include developing cloud-based solutions, implementing APIs, and harnessing modern DevOps practices. #J-18808-Ljbffr ...

Senior Full-Stack Engineer – HealthTech Platform (Remote)

Location
Greater London, England, United Kingdom
Maxwell Bond is seeking a Senior Full Stack Developer to join a fast-moving HealthTech team building a new customer-facing platform using C#/.NET, React and Azure. You'll own significant parts of the backend and frontend, contribute to architecture decisions, and ship deliverables with an API-first ...

Automation Engineer / Tester

Hiring Organisation
Infosec
Location
London, United Kingdom
Employment Type
Contract
secure, high-assurance systems Required Experience Active DV Clearance (MOD DV accepted) Proven Test Automation Engineering experience Strong Python development skills PowerShell scripting C# and/or Java Test framework development and maintenance Automated functional and integration testing ISTQB certification or relevant degree Experience within secure, defence or government environments ...

Founding Engineer | Rust Oho Group · United Kingdom $80k - $150k GBP

Location
Greater London, England, United Kingdom
data and calculate the trends and patterns amongst it.## About you:* Experience in Rust, or exceptional Engineering skills in C++/Python/C#/Javascript* Strong academic background* Comfortability handling projects from experimentation all the way through to production* Great problem-solving skills and the ability to thrive ...

Founding Engineer | Rust | AI Sports Trading Start-Up

Location
Greater London, England, United Kingdom
data and calculate the trends and patterns amongst it. About you: Experience in Rust, or exceptional Engineering skills in C++/Python/C#/Javascript Strong academic background Comfortability handling projects from experimentation all the way through to production Great problem-solving skills and the ability to thrive ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
momentum already behind it. You are: 5+ years of professional Software Engineering experience Strong in one or more of Python, Go, Java, or C# An excellent engineer with strong system design and software engineering fundamentals Comfortable owning complex technical problems from architecture through to production A builder who enjoys moving ...

Sharepoint Developer

Hiring Organisation
Matchtech Mobility
Location
London, United Kingdom
Employment Type
Contract
best practice standards. Essential Skills & Experience Strong commercial experience with SharePoint Server Subscription Edition development. Expertise in SharePoint customisation and development. Strong knowledge of C#, .NET, JavaScript and PowerShell . Experience working with SharePoint architecture, security and permissions. Ability to work effectively with both technical and non-technical stakeholders. Experience ...

Rust Engineer

Hiring Organisation
Oho Group Ltd
Location
London, England, United Kingdom
London.Who you are:You live and breathe Rust and want to spend your days building with itOr you’re an exceptional C++, Python, Java, C#, Go or systems engineer who is fed up with only using Rust for side or personal projects.Great problem-solving skills and the ability to thrive ...

SDET

Location
Greater London, England, United Kingdom
responsibilities: Experience in planning and carrying out Test Systems and Test Plan relics reasonable for a Dexterous advancement process Experience in .Net applications and C# Experience in Conducting structure plans and improvements for QA computerization for instance utilizing Spec flow Experience with Programming interface computerization instruments like Cleanser UI/ ...