26 to 50 of 88 .NET Jobs in the City of London

Title: Senior C#/.NET Developer – Financial Services (Risk/Securities Lending) Location: London (Hybrid) Duration: 6 Months contract Job Description Role Overview We are seeking an experienced C#/.NET Developer to join a technology team supporting critical Financial Services platforms, with a strong focus on Risk … risk managers, business analysts, and product owners to deliver robust, scalable solutions in a regulated environment. Key Responsibilities Design, develop, and maintain C#/.NET applications supporting Risk or Securities Lending platforms Build and consume RESTful APIs to integrate with upstream/downstream systems Implement scalable, testable, and maintainable ...

.NET Developer, Graduate/Junior - Computer Gaming Company - London (Tech stack: Graduate/Junior .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, Graduate/Junior .NET Developer … last decade, my client is undoubtedly the world's most recognised computer gaming brand. We have 2 brand new requirements for Graduate/Junior .NET Developer to work in their plush London offices. These roles would be suitable Graduate/Junior .NET Developer who have recently graduated from ...

.NET Developer, C#, WPF - Mobile Telecommunications - London (Tech stack: .NET Developer, .NET 10.0, C# 14, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Programmer, Engineer, Architect, .NET Developer) Established in the early 1990s and listed on the London Stock Exchange our client is an instantly recognizable brand … looking to extend their brand beyond mobile with the launch of several new products. As such they are looking to recruit 6 .NET Developer to help design and develop the .NET/C# software applications that will be the backbone of this exciting new generation of products ...

front-end engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching ...

Junior .NET Developer - Online Film Rental Company - London (Tech stack: Junior .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, Junior .NET Developer) In just over 5 years our client … across the UK, Europe and North America and have plans to double in size over the next 12 months. We are seeking several Junior .NET Developer to work on several complex Greenfield .NET/C# software development projects which will be critical to the future success ...

London. Targeting the following skillset: University degree (ideally in Computer Science or related field) Full stack in Microsoft technologies (below): Microsoft stack: Visual Studio, .NET/C#, ASP.NET, Entity Framework. SQL Server: good T-SQL, performance tuning, and SSDT database projects APIs: designing, building and consuming REST services. SDLC ...

Gemini) Docker, Kubernetes (AKS), Azure App Services Azure DevOps, Azure Boards, CI/CD pipelines API Management, OAuth2, JWT, audit logging Unit testing across .NET and Python environments Azure certifications such as AZ-900 and AI-900 would be highly beneficial. Aimtech Recruitment is acting as an employment agency ...

continuous learning, innovation, and engineering excellence Required Experience & Skills Strong experience building full-stack web applications using TypeScript/React and C#/.NET (or similar technologies) Deep understanding of software engineering principles, including modular architecture and design patterns Proven experience designing and developing RESTful APIs and microservices Experience ...

Senior Software Engineer | Azure | .NET core | $100bn Scale At Ripple , we’re building a world where value moves like information does today. Through our crypto solutions for financial institutions, governments, and businesses, we’re transforming the global financial system and unlocking greater economic opportunity worldwide. In 2025, Ripple acquired ...

open-source UI components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET 10) Python React.js and modern JavaScript (ES6+) Snowflake (Data Warehouse) Apache Airflow Terraform dbt SQL Server ...

Tech Lead - Award Winning Creative Agency Perm: £80,000-£90,000 Hybrid: 3 days per week to the London Office We're working with an award-winning digital experience studio that sits at the heart ...

Senior .NET Engineer Whitehall Resources are currently looking for Senior .NET Engineer based in London/West Midlands for an initial 6 -month contract. ***INSIDE IR35*** Job Spec: This position is designed to enhance our technical capabilities in support of upcoming initiatives and key project deliverables … reliability, and maintainability baselines; lead refactoring and modernization where needed. • Implement comprehensive observability (metrics, distributed tracing—OpenTelemetry) and SLOs for critical services. Key Skills: • .NET Expertise: .NET 8, C#, ASP.NET Core, RESTful APIs, background jobs, async programming, dependency injection, unit/integration testing frameworks. • Security Concepts: OWASP ...

HTML5, CSS3, and modern front-end development practices. Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. Solid experience with C# and .NET Framework for backend and integration development. Hands-on experience administering SharePoint on-prem environments, including patching, upgrades, performance tuning, and troubleshooting. Experience with Business ...

Technical credibility: ability to review architecture, challenge solutions, and implement engineering standards Excellent communication skills for both technical and non-technical stakeholders Familiarity with .NET/C#, Azure, DevOps/CI/CD, microservices, and modern scalable architecture principles is desirable The opportunity: Shape a new leadership role ...

code Research and integrate new technologies Foster a culture of engineering excellence and continuous improvement Key Requirements 5+ years’ experience working with C#/.NET Experience developing front and middle office systems Strong SQL skills Experience with cloud-native solutions (Azure or AWS) Knowledge of event-driven, microservices architectures ...

SPFx development and modern front-end technologies (TypeScript, JavaScript, React, HTML5, CSS3) Experience integrating SharePoint solutions using REST APIs, Microsoft Graph, C#, and .NET Hands-on management of on-prem SharePoint environments, including patching, upgrades, performance tuning, and troubleshooting Experience with Business Connectivity Services (BCS), External Content Types (ECTs ...

software engineering background with experience building cloud-based applications Hands-on experience with Azure and modern cloud-native technologies Strong development skills in Python, .NET, or Java Experience working with GenAI/LLMs and AI-enabled applications Exposure to AI agents, orchestration frameworks, or automation tooling Understanding of APIs ...

.NET Performance Engineer- Global tech. company - UK - remote Excellent opportunity to join a new team, owning the runtime health and throughput characteristics of the platform. This is a specialist contributor role - you won't be building feature logic, you'll be ensuring the systems that … query performance issues across both relational (SQL) and document databases, including index analysis and query plan interpretation Familiarity with ETW, EventPipe, and diagnostics tooling (dotnet-trace, dotnet-counters, dotnet-dump) Duties: Profile, diagnose, and resolve performance bottlenecks across .NET services - from GC pressure and memory leaks to thread contention ...

HTML5, CSS3, and modern front-end development practices. - Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. - Solid experience with C# and .NET Framework for backend and integration development. - Hands-on experience administering SharePoint on-prem environments, including patching, upgrades, performance tuning, and troubleshooting. Sharepoint Engineer ...

Hybrid cloud exposure, infra coordination Messaging & integration (REST, Solace/streaming) Good‐to‐Have Skills Kubernetes & containerization Microservices modernization Deeper GCP/Anthos experience .NET/WPF familiarity Low‐latency/trading systems Post‐migration optimization ...

Banking client is seeking to recruit a Senior Full Stack Developer (React & .NET Core) on an initial 6 month based in London. It is hybrid and will require 3x days onsite per week. About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise … React JS on the front-end and C# .NET Core on the backend. The ideal candidate will have substantial hands-on experience developing scalable applications, strong exposure to cloud-native architectures, with experience in the financial sector. Experience with CI/CD , microservices , and event-driven architectures is essential ...

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract ...

production support Continuously improve system stability, performance, and usability in a fast-moving trading environment Qualifications: 1–8 years’ experience in C#/.NET development Bachelor’s degree (or higher) in Computer Science or a closely related technical field Strong understanding of software engineering fundamentals and object-oriented design ...

depending on experience, plus bonus & benefits Clearance Eligibility for SC Clearance An experienced Senior Solution Architect with a strong software engineering background (Java/.NET) and eligibility for SC clearance, specialising in the design and delivery of scalable, cloud native solutions using microservices and API-driven architectures. Key Responsibilities ...

reconciliations Particular interest in candidates with Fixed Income and Rates experience Technical Skills Strong computer science fundamentals Hands‐on development experience in: C# and .NET (essential for this role) Python within quant or data environments The client will also consider exceptional engineers from other OOP backgrounds such as C++ ...