151 to 175 of 215 .NET Core Jobs in London

Software Engineer (.NET/Azure) – London (Hybrid) London, United Kingdom | Full-time | Permanent I'm working with a global business undergoing a major digital transformation, and they’re looking to bring in an experienced Software Engineer to help shape the future of their Azure-based platform. If you're confident with .NET, Azure, event-driven architecture, and keen … be joining a collaborative, cross-functional engineering team that’s modernising a core platform using cloud-native technologies. Key responsibilities include: Developing high-performance Web APIs with .NET Core Designing and optimising Azure-hosted SQL PaaS databases using Entity Framework Building out event-driven microservices architecture Participating in architecture discussions, design sessions, and Agile ceremonies … Contributing to a culture of clean code and continuous improvement What They're Looking For 5+ years’ experience with .NET, SQL Server, Entity Framework, and Azure Solid understanding of distributed systems and event-driven design Strong grasp of OOP principles and microservices A self-starter with a problem-solving mindset and a passion for clean, scalable code Why It More ❯

Software Engineer (.NET/Azure) – London (Hybrid) London, United Kingdom | Full-time | Permanent I'm working with a global business undergoing a major digital transformation, and they’re looking to bring in an experienced Software Engineer to help shape the future of their Azure-based platform. If you're confident with .NET, Azure, event-driven architecture, and keen … be joining a collaborative, cross-functional engineering team that’s modernising a core platform using cloud-native technologies. Key responsibilities include: Developing high-performance Web APIs with .NET Core Designing and optimising Azure-hosted SQL PaaS databases using Entity Framework Building out event-driven microservices architecture Participating in architecture discussions, design sessions, and Agile ceremonies … Contributing to a culture of clean code and continuous improvement What They're Looking For 5+ years’ experience with .NET, SQL Server, Entity Framework, and Azure Solid understanding of distributed systems and event-driven design Strong grasp of OOP principles and microservices A self-starter with a problem-solving mindset and a passion for clean, scalable code Why It More ❯

Software Engineer (.NET/Azure) – London (Hybrid) London, United Kingdom | Full-time | Permanent I'm working with a global business undergoing a major digital transformation, and they’re looking to bring in an experienced Software Engineer to help shape the future of their Azure-based platform. If you're confident with .NET, Azure, event-driven architecture, and keen … be joining a collaborative, cross-functional engineering team that’s modernising a core platform using cloud-native technologies. Key responsibilities include: Developing high-performance Web APIs with .NET Core Designing and optimising Azure-hosted SQL PaaS databases using Entity Framework Building out event-driven microservices architecture Participating in architecture discussions, design sessions, and Agile ceremonies … Contributing to a culture of clean code and continuous improvement What They're Looking For 5+ years’ experience with .NET, SQL Server, Entity Framework, and Azure Solid understanding of distributed systems and event-driven design Strong grasp of OOP principles and microservices A self-starter with a problem-solving mindset and a passion for clean, scalable code Why It More ❯

Software Engineer (.NET/Azure) – London (Hybrid) London, United Kingdom | Full-time | Permanent I'm working with a global business undergoing a major digital transformation, and they’re looking to bring in an experienced Software Engineer to help shape the future of their Azure-based platform. If you're confident with .NET, Azure, event-driven architecture, and keen … be joining a collaborative, cross-functional engineering team that’s modernising a core platform using cloud-native technologies. Key responsibilities include: Developing high-performance Web APIs with .NET Core Designing and optimising Azure-hosted SQL PaaS databases using Entity Framework Building out event-driven microservices architecture Participating in architecture discussions, design sessions, and Agile ceremonies … Contributing to a culture of clean code and continuous improvement What They're Looking For 5+ years’ experience with .NET, SQL Server, Entity Framework, and Azure Solid understanding of distributed systems and event-driven design Strong grasp of OOP principles and microservices A self-starter with a problem-solving mindset and a passion for clean, scalable code Why It More ❯

GoCardless, Stripe, and ERPs Partner with clients during highly technical onboarding, helping translate needs into solutions (strong comms required) Building and scaling core features (stack is currently .NET, AWS, with React on the front end) Contribute to product direction, technical decisions, and future stack evolution Collaborate directly with founders, product, and customers to solve real-world problems … What We're Looking For Strong backend engineering experience - C#, .Net Core, AWS Comfort-ability contributing to the front end, ideally using React Proven experience building 3rd-party integrations (GoCardless, Stripe, or similar) Very good understanding of distributed systems and event driven architecture Clear, confident communication skills – able to engage directly with customers and internal stakeholders Startup More ❯

or another regulated environment Strong knowledge of SRE principles, incident management, monitoring, and performance tuning Hands-on technical skills across a broad range of technologies, including: Microsoft: C#, VB, .NET Core, Azure, SQL Server, IIS, Windows Server Web: React, RESTful APIs, Docker, Azure Kubernetes Service (AKS) Tools: CI/CD pipelines (Azure DevOps), Dynatrace, Git, Okta, Apigee More ❯

or another regulated environment Strong knowledge of SRE principles, incident management, monitoring, and performance tuning Hands-on technical skills across a broad range of technologies, including: Microsoft: C#, VB, .NET Core, Azure, SQL Server, IIS, Windows Server Web: React, RESTful APIs, Docker, Azure Kubernetes Service (AKS) Tools: CI/CD pipelines (Azure DevOps), Dynatrace, Git, Okta, Apigee More ❯

OBD diagnostics, API-based vehicle integrations, and real-time energy data streams. The Role We’re looking for a skilled Backend Developer with strong experience in C# and the .NET ecosystem to help us scale and evolve our core data and API infrastructure. You’ll play a central role in designing, building, and optimising services that power … This role is primarily backend-focused, but familiarity with modern frontend frameworks (React/React Native/Next.js) is a bonus. Key Responsibilities Develop and maintain robust, high-performance .NET 8+ APIs and services. Work with Azure Functions , Blob Storage , Queues , and SQL/NoSQL databases to build scalable, event-driven systems. Design and optimise APIs that serve our … data integrity. Help evolve our internal tools and services to support ClearWatt’s growing product suite. What We’re Looking For 2+ years of professional experience with C# and .NET Core . Experience building REST APIs or microservices at scale. Familiarity with cloud-native design and Azure services . Understanding of async programming, dependency injection, and distributed More ❯

OBD diagnostics, API-based vehicle integrations, and real-time energy data streams. The Role We’re looking for a skilled Backend Developer with strong experience in C# and the .NET ecosystem to help us scale and evolve our core data and API infrastructure. You’ll play a central role in designing, building, and optimising services that power … This role is primarily backend-focused, but familiarity with modern frontend frameworks (React/React Native/Next.js) is a bonus. Key Responsibilities Develop and maintain robust, high-performance .NET 8+ APIs and services. Work with Azure Functions , Blob Storage , Queues , and SQL/NoSQL databases to build scalable, event-driven systems. Design and optimise APIs that serve our … data integrity. Help evolve our internal tools and services to support ClearWatt’s growing product suite. What We’re Looking For 2+ years of professional experience with C# and .NET Core . Experience building REST APIs or microservices at scale. Familiarity with cloud-native design and Azure services . Understanding of async programming, dependency injection, and distributed More ❯

OBD diagnostics, API-based vehicle integrations, and real-time energy data streams. The Role We’re looking for a skilled Backend Developer with strong experience in C# and the .NET ecosystem to help us scale and evolve our core data and API infrastructure. You’ll play a central role in designing, building, and optimising services that power … This role is primarily backend-focused, but familiarity with modern frontend frameworks (React/React Native/Next.js) is a bonus. Key Responsibilities Develop and maintain robust, high-performance .NET 8+ APIs and services. Work with Azure Functions , Blob Storage , Queues , and SQL/NoSQL databases to build scalable, event-driven systems. Design and optimise APIs that serve our … data integrity. Help evolve our internal tools and services to support ClearWatt’s growing product suite. What We’re Looking For 2+ years of professional experience with C# and .NET Core . Experience building REST APIs or microservices at scale. Familiarity with cloud-native design and Azure services . Understanding of async programming, dependency injection, and distributed More ❯

OBD diagnostics, API-based vehicle integrations, and real-time energy data streams. The Role We’re looking for a skilled Backend Developer with strong experience in C# and the .NET ecosystem to help us scale and evolve our core data and API infrastructure. You’ll play a central role in designing, building, and optimising services that power … This role is primarily backend-focused, but familiarity with modern frontend frameworks (React/React Native/Next.js) is a bonus. Key Responsibilities Develop and maintain robust, high-performance .NET 8+ APIs and services. Work with Azure Functions , Blob Storage , Queues , and SQL/NoSQL databases to build scalable, event-driven systems. Design and optimise APIs that serve our … data integrity. Help evolve our internal tools and services to support ClearWatt’s growing product suite. What We’re Looking For 2+ years of professional experience with C# and .NET Core . Experience building REST APIs or microservices at scale. Familiarity with cloud-native design and Azure services . Understanding of async programming, dependency injection, and distributed More ❯

Lead .NET Engineer - Hybrid - £700/day Outside IR35 | WeathTech Platform | Digital Wealth | Azure | Microservice Architecture We’re seeking a Lead .NET Engineer to join a cutting-edge WealthTech platform on a contract basis. This is a hands-on technical role, driving the development and delivery of high-performance investment and portfolio management solutions. Location: London, hybrid Contract … Length: Initially 12 months Day Rate: £700/day Outside IR35 About the Role: As a Lead .NET Engineer, you’ll be responsible for the architecture, development, and deployment of core features on a digital wealth and investment platform. You will work closely with product owners, data teams, and other developers to deliver secure, scalable, and compliant … support high-volume transactions and real-time calculations. Collaborate with Product Owners and Tech Leads to translate business requirements into technical solutions. Skills & Experience: Strong experience with C#/.NET Core and associated frameworks. Proven experience building and maintaining financial or investment platforms. Experience with relational databases (SQL Server, PostgreSQL) and data modeling. Familiarity with cloud platforms More ❯

Lead .NET Engineer - Hybrid - £700/day Outside IR35 | WeathTech Platform | Digital Wealth | Azure | Microservice Architecture We’re seeking a Lead .NET Engineer to join a cutting-edge WealthTech platform on a contract basis. This is a hands-on technical role, driving the development and delivery of high-performance investment and portfolio management solutions. Location: London, hybrid Contract … Length: Initially 12 months Day Rate: £700/day Outside IR35 About the Role: As a Lead .NET Engineer, you’ll be responsible for the architecture, development, and deployment of core features on a digital wealth and investment platform. You will work closely with product owners, data teams, and other developers to deliver secure, scalable, and compliant … support high-volume transactions and real-time calculations. Collaborate with Product Owners and Tech Leads to translate business requirements into technical solutions. Skills & Experience: Strong experience with C#/.NET Core and associated frameworks. Proven experience building and maintaining financial or investment platforms. Experience with relational databases (SQL Server, PostgreSQL) and data modeling. Familiarity with cloud platforms More ❯

Lead .NET Engineer - Hybrid - £700/day Outside IR35 | WeathTech Platform | Digital Wealth | Azure | Microservice Architecture We’re seeking a Lead .NET Engineer to join a cutting-edge WealthTech platform on a contract basis. This is a hands-on technical role, driving the development and delivery of high-performance investment and portfolio management solutions. Location: London, hybrid Contract … Length: Initially 12 months Day Rate: £700/day Outside IR35 About the Role: As a Lead .NET Engineer, you’ll be responsible for the architecture, development, and deployment of core features on a digital wealth and investment platform. You will work closely with product owners, data teams, and other developers to deliver secure, scalable, and compliant … support high-volume transactions and real-time calculations. Collaborate with Product Owners and Tech Leads to translate business requirements into technical solutions. Skills & Experience: Strong experience with C#/.NET Core and associated frameworks. Proven experience building and maintaining financial or investment platforms. Experience with relational databases (SQL Server, PostgreSQL) and data modeling. Familiarity with cloud platforms More ❯

Lead .NET Engineer - Hybrid - £700/day Outside IR35 | WeathTech Platform | Digital Wealth | Azure | Microservice Architecture We’re seeking a Lead .NET Engineer to join a cutting-edge WealthTech platform on a contract basis. This is a hands-on technical role, driving the development and delivery of high-performance investment and portfolio management solutions. Location: London, hybrid Contract … Length: Initially 12 months Day Rate: £700/day Outside IR35 About the Role: As a Lead .NET Engineer, you’ll be responsible for the architecture, development, and deployment of core features on a digital wealth and investment platform. You will work closely with product owners, data teams, and other developers to deliver secure, scalable, and compliant … support high-volume transactions and real-time calculations. Collaborate with Product Owners and Tech Leads to translate business requirements into technical solutions. Skills & Experience: Strong experience with C#/.NET Core and associated frameworks. Proven experience building and maintaining financial or investment platforms. Experience with relational databases (SQL Server, PostgreSQL) and data modeling. Familiarity with cloud platforms More ❯

/knowledge/experience: Experience with Azure PaaS Services (Azure Blob storage, Azure service bus, Azure functions etc.) Hands on coding experience with Angular 16 or above. Experience in .NET Core, API and microservices development. Experience with COSMOS DB, Azure SQL server or NoSQL or a mix of all these. Azure Pipeline experience CI/CD Familiarity. More ❯

/knowledge/experience: Experience with Azure PaaS Services (Azure Blob storage, Azure service bus, Azure functions etc.) Hands on coding experience with Angular 16 or above. Experience in .NET Core, API and microservices development. Experience with COSMOS DB, Azure SQL server or NoSQL or a mix of all these. Azure Pipeline experience CI/CD Familiarity. More ❯

/knowledge/experience: Experience with Azure PaaS Services (Azure Blob storage, Azure service bus, Azure functions etc.) Hands on coding experience with Angular 16 or above. Experience in .NET Core, API and microservices development. Experience with COSMOS DB, Azure SQL server or NoSQL or a mix of all these. Azure Pipeline experience CI/CD Familiarity. More ❯

/knowledge/experience: Experience with Azure PaaS Services (Azure Blob storage, Azure service bus, Azure functions etc.) Hands on coding experience with Angular 16 or above. Experience in .NET Core, API and microservices development. Experience with COSMOS DB, Azure SQL server or NoSQL or a mix of all these. Azure Pipeline experience CI/CD Familiarity. More ❯

complete with onboarding, documentation, and usage examples. Working closely with internal teams to deliver a scalable, compliant, and well-documented solution. Writing clean, well-structured code using C#/.NET Core (with possible TypeScript/JavaScript extensions). What We’re Looking For: Strong background in Microsoft Azure , including API Management , Azure AD , and App Services . More ❯

Role : Senior .Net Developer Comp: £65,000-£75,000 Location : Central London (On-site). About the Role: As a Senior .NET Developer, you’ll play a key role in designing, developing, and maintaining software applications. You’ll collaborate closely with cross-functional teams to translate user needs into technical solutions that are robust and user-friendly. Key … to documentation, testing, and bug fixing as part of the development lifecycle Support junior developers and promote knowledge sharing across the team Tech Stack & Requirements: Strong experience in C#, .NET Core, and Entity Framework Solid understanding of RESTful APIs and backend service architecture Skilled with SQL and relational database design Experience with writing standalone distributed services Experience More ❯

Role : Senior .Net Developer Comp: £65,000-£75,000 Location : Central London (On-site). About the Role: As a Senior .NET Developer, you’ll play a key role in designing, developing, and maintaining software applications. You’ll collaborate closely with cross-functional teams to translate user needs into technical solutions that are robust and user-friendly. Key … to documentation, testing, and bug fixing as part of the development lifecycle Support junior developers and promote knowledge sharing across the team Tech Stack & Requirements: Strong experience in C#, .NET Core, and Entity Framework Solid understanding of RESTful APIs and backend service architecture Skilled with SQL and relational database design Experience with writing standalone distributed services Experience More ❯

Role : Senior .Net Developer Comp: £65,000-£75,000 Location : Central London (On-site). About the Role: As a Senior .NET Developer, you’ll play a key role in designing, developing, and maintaining software applications. You’ll collaborate closely with cross-functional teams to translate user needs into technical solutions that are robust and user-friendly. Key … to documentation, testing, and bug fixing as part of the development lifecycle Support junior developers and promote knowledge sharing across the team Tech Stack & Requirements: Strong experience in C#, .NET Core, and Entity Framework Solid understanding of RESTful APIs and backend service architecture Skilled with SQL and relational database design Experience with writing standalone distributed services Experience More ❯

Role : Senior .Net Developer Comp: £65,000-£75,000 Location : Central London (On-site). About the Role: As a Senior .NET Developer, you’ll play a key role in designing, developing, and maintaining software applications. You’ll collaborate closely with cross-functional teams to translate user needs into technical solutions that are robust and user-friendly. Key … to documentation, testing, and bug fixing as part of the development lifecycle Support junior developers and promote knowledge sharing across the team Tech Stack & Requirements: Strong experience in C#, .NET Core, and Entity Framework Solid understanding of RESTful APIs and backend service architecture Skilled with SQL and relational database design Experience with writing standalone distributed services Experience More ❯

driven innovations to improve system performance and risk analysis Work effectively with global teams across multiple locations Key Requirements Strong hands-on experience in software engineering using C# and .NET Core Solid understanding of CI/CD tools and practices (e.g., Jenkins, TeamCity, Git, Nexus) Experience within enterprise-level or investment banking environments, ideally in Risk Technology More ❯