576 to 600 of 885 C# Jobs in London

3D smart-city application. Collaborate with surveyors, architects, and engineers to transform complex data into immersive visualisations and scalable tools . Work with modern technologies such as Unity 2022+, C#, PostgreSQL/PostGIS, Azure DevOps, and Cesium for Unity , delivering solutions that support smarter, more sustainable cities. The Role This position offers the opportunity to design and develop advanced applications … that drive urban innovation. Responsibilities include: Designing and developing backend, desktop, and web applications. Building and maintaining RESTful APIs and microservices. Writing clean, efficient, and scalable code in Unity, C#, JavaScript, and TypeScript. Developing spatial databases and optimised queries using PostgreSQL/PostGIS. Supporting full testing cycles, product upgrades, and change management processes. Collaborating with cross-functional teams to deliver … robust, future-ready solutions. What They’re Looking For Strong Unity development experience, including URP/HDRP pipelines, Addressables, and Job System . Skills in C# (.NET 6/8), Cesium for Unity, PostgreSQL/PostGIS, and Entity Framework Core . Familiarity with modern frontend frameworks such as React with TypeScript . Strong Agile, DevOps, and CI/CD experience. More ❯

3D smart-city application. Collaborate with surveyors, architects, and engineers to transform complex data into immersive visualisations and scalable tools . Work with modern technologies such as Unity 2022+, C#, PostgreSQL/PostGIS, Azure DevOps, and Cesium for Unity , delivering solutions that support smarter, more sustainable cities. The Role This position offers the opportunity to design and develop advanced applications … that drive urban innovation. Responsibilities include: Designing and developing backend, desktop, and web applications. Building and maintaining RESTful APIs and microservices. Writing clean, efficient, and scalable code in Unity, C#, JavaScript, and TypeScript. Developing spatial databases and optimised queries using PostgreSQL/PostGIS. Supporting full testing cycles, product upgrades, and change management processes. Collaborating with cross-functional teams to deliver … robust, future-ready solutions. What They’re Looking For Strong Unity development experience, including URP/HDRP pipelines, Addressables, and Job System . Skills in C# (.NET 6/8), Cesium for Unity, PostgreSQL/PostGIS, and Entity Framework Core . Familiarity with modern frontend frameworks such as React with TypeScript . Strong Agile, DevOps, and CI/CD experience. More ❯

3D smart-city application. Collaborate with surveyors, architects, and engineers to transform complex data into immersive visualisations and scalable tools . Work with modern technologies such as Unity 2022+, C#, PostgreSQL/PostGIS, Azure DevOps, and Cesium for Unity , delivering solutions that support smarter, more sustainable cities. The Role This position offers the opportunity to design and develop advanced applications … that drive urban innovation. Responsibilities include: Designing and developing backend, desktop, and web applications. Building and maintaining RESTful APIs and microservices. Writing clean, efficient, and scalable code in Unity, C#, JavaScript, and TypeScript. Developing spatial databases and optimised queries using PostgreSQL/PostGIS. Supporting full testing cycles, product upgrades, and change management processes. Collaborating with cross-functional teams to deliver … robust, future-ready solutions. What They’re Looking For Strong Unity development experience, including URP/HDRP pipelines, Addressables, and Job System . Skills in C# (.NET 6/8), Cesium for Unity, PostgreSQL/PostGIS, and Entity Framework Core . Familiarity with modern frontend frameworks such as React with TypeScript . Strong Agile, DevOps, and CI/CD experience. More ❯

+ Bonus + Hybrid Location: Central London (Hybrid: 2 days in office) Salary: £65,000–£80,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, Microservices, REST APIs, SQL, CI/CD 🚀 The Opportunity We’re partnering with a highly successful fast-growing SaaS brand based in Central London who are looking for a talented … and genuine opportunities for growth. 🧠 The Role As part of a cross-functional engineering team, you’ll: Develop and maintain high-quality backend systems using .NET 6/7 (C#) Design and build AWS-based microservices and scalable APIs Collaborate closely with product, DevOps, and front-end teams Contribute to architectural decisions and technology roadmaps Ensure reliability and performance through … testing and CI/CD practices 🔧 About You To be successful, you’ll need: 3+ years’ commercial experience in software engineering Strong skills in C#/.NET Core/.NET 6+ Hands-on experience with AWS (Lambda, ECS, S3, DynamoDB, etc.) Experience working with REST APIs, SQL/NoSQL databases, and microservices Familiarity with CI/CD pipelines (GitHub Actions More ❯

+ Bonus + Hybrid Location: Central London (Hybrid: 2 days in office) Salary: £65,000–£80,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, Microservices, REST APIs, SQL, CI/CD 🚀 The Opportunity We’re partnering with a highly successful fast-growing SaaS brand based in Central London who are looking for a talented … and genuine opportunities for growth. 🧠 The Role As part of a cross-functional engineering team, you’ll: Develop and maintain high-quality backend systems using .NET 6/7 (C#) Design and build AWS-based microservices and scalable APIs Collaborate closely with product, DevOps, and front-end teams Contribute to architectural decisions and technology roadmaps Ensure reliability and performance through … testing and CI/CD practices 🔧 About You To be successful, you’ll need: 3+ years’ commercial experience in software engineering Strong skills in C#/.NET Core/.NET 6+ Hands-on experience with AWS (Lambda, ECS, S3, DynamoDB, etc.) Experience working with REST APIs, SQL/NoSQL databases, and microservices Familiarity with CI/CD pipelines (GitHub Actions More ❯

+ Bonus + Hybrid Location: Central London (Hybrid: 2 days in office) Salary: £65,000–£80,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, Microservices, REST APIs, SQL, CI/CD 🚀 The Opportunity We’re partnering with a highly successful fast-growing SaaS brand based in Central London who are looking for a talented … and genuine opportunities for growth. 🧠 The Role As part of a cross-functional engineering team, you’ll: Develop and maintain high-quality backend systems using .NET 6/7 (C#) Design and build AWS-based microservices and scalable APIs Collaborate closely with product, DevOps, and front-end teams Contribute to architectural decisions and technology roadmaps Ensure reliability and performance through … testing and CI/CD practices 🔧 About You To be successful, you’ll need: 3+ years’ commercial experience in software engineering Strong skills in C#/.NET Core/.NET 6+ Hands-on experience with AWS (Lambda, ECS, S3, DynamoDB, etc.) Experience working with REST APIs, SQL/NoSQL databases, and microservices Familiarity with CI/CD pipelines (GitHub Actions More ❯

+ Bonus + Hybrid Location: Central London (Hybrid: 2 days in office) Salary: £65,000–£80,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, Microservices, REST APIs, SQL, CI/CD 🚀 The Opportunity We’re partnering with a highly successful fast-growing SaaS brand based in Central London who are looking for a talented … and genuine opportunities for growth. 🧠 The Role As part of a cross-functional engineering team, you’ll: Develop and maintain high-quality backend systems using .NET 6/7 (C#) Design and build AWS-based microservices and scalable APIs Collaborate closely with product, DevOps, and front-end teams Contribute to architectural decisions and technology roadmaps Ensure reliability and performance through … testing and CI/CD practices 🔧 About You To be successful, you’ll need: 3+ years’ commercial experience in software engineering Strong skills in C#/.NET Core/.NET 6+ Hands-on experience with AWS (Lambda, ECS, S3, DynamoDB, etc.) Experience working with REST APIs, SQL/NoSQL databases, and microservices Familiarity with CI/CD pipelines (GitHub Actions More ❯

services ideally, 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 Excellent … communication skills and the ability to work effectively across cross-functional teams Desirable: Familiarity with legacy VB/C# applications in a modernised environment Experience in automation/scripting (PowerShell, Bash) Background in financial services applications or products Location: London (hybrid working - 2/3 days a week in the office) This is a fantastic opportunity to join a collaborative More ❯

you meet all the requirements. Location: Central London (Hybrid: one a fortnight onsite) Salary: £95,000 £120,000 + performance bonus + excellent benefits Tech: .NET 8, C#, AWS, Microservices, REST APIs, SQL, CI/CD, Docker/Kubernetes The Opportunity We are partnering with a high-growth SaaS organisation in Central London that is scaling its cloud … As a Lead .NET Software Engineer, you will combine hands-on technical expertise with leadership responsibilities, including: Designing and leading the development of scalable backend services using .NET 8 (C#) Architecting cloud-native microservices and distributed systems on AWS Driving engineering standards, best practices, and technical excellence across teams Leading architectural discussions and guiding long-term technical strategy Collaborating with … complex engineering challenges. You re comfortable taking ownership of architecture and delivery while empowering others to do their best work. You ll bring: 8+ years of commercial experience with C#/.NET Core/.NET 6+ Proven experience designing and building distributed, microservices-based systems Deep understanding of AWS (ECS, Lambda, EventBridge, DynamoDB, S3, etc.) Strong background in API design More ❯

services ideally, 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 Excellent … communication skills and the ability to work effectively across cross-functional teams Desirable: Familiarity with legacy VB/C# applications in a modernised environment Experience in automation/scripting (PowerShell, Bash) Background in financial services applications or products Location: London (hybrid working - 2/3 days a week in the office) This is a fantastic opportunity to join a collaborative More ❯

Junior .NET Developer - Online Film Rental Company - London (Tech stack: Junior .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, Junior .NET Developer) In just over 5 years our client has established themselves as the world's leading internet subscription service for enjoying films and TV programmes. They currently have over … 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 of the business. Junior .NET Developer candidates should have a sound understanding of object orientated (OO) development and a More ❯

of every year of education • At least 8-10 years of experience with Information Technology Key Responsibilities • Develop and maintain enterprise-scale .NET applications using ASP.NET Core 9.0 and C# • Design and implement RESTful APIs for biogas trading, inventory management, and regulatory reporting • Build complex business logic for RINS credit calculations, LCFS compliance, and carbon credit trading • Work with PostgreSQL … using SignalR for live trading updates • Implement data validation using FluentValidation • Work with Docker and OpenShift for containerized deployments Required Technical Skills • 5+ years of experience with .NET development (C#, ASP.NET Core) • Strong experience with Entity Framework Core and PostgreSQL • Proficiency in RESTful API design and OpenAPI/Swagger documentation • Experience with authentication systems (OAuth2, JWT, Azure AD) • Knowledge of More ❯

Technical Lead Engineer/Director Key Technologies: C#, .NET, .NET Core, Azure, SQL Location: London Perm Role | Hybrid Working Structure Harrington Starr has partnered with a global Investment Bank, seeking to hire a Director level Engineer with extensive .NET development experience within investment banking. This person must be confident translating complex business needs into functional solutions and be able to … progression programs. Inclusive and diverse work environment promoting collaboration and engagement. Competitive remuneration package and employee benefits. Key Skills and Experience Advanced full-stack development skills (.NET, .NET Core, C#, Python, SQL) and cloud technology experience. Strong leadership experience managing high-performing development teams. Knowledge of banking products, financial analysis, and regulatory requirements. Experience delivering Agile projects, CI/CD More ❯

Technical Lead Engineer/Director Key Technologies: C#, .NET, .NET Core, Azure, SQL Location: London Perm Role | Hybrid Working Structure Harrington Starr has partnered with a global Investment Bank, seeking to hire a Director level Engineer with extensive .NET development experience within investment banking. This person must be confident translating complex business needs into functional solutions and be able to … progression programs. Inclusive and diverse work environment promoting collaboration and engagement. Competitive remuneration package and employee benefits. Key Skills and Experience Advanced full-stack development skills (.NET, .NET Core, C#, Python, SQL) and cloud technology experience. Strong leadership experience managing high-performing development teams. Knowledge of banking products, financial analysis, and regulatory requirements. Experience delivering Agile projects, CI/CD More ❯

Technical Lead Engineer/Director Key Technologies: C#, .NET, .NET Core, Azure, SQL Location: London Perm Role | Hybrid Working Structure Harrington Starr has partnered with a global Investment Bank, seeking to hire a Director level Engineer with extensive .NET development experience within investment banking. This person must be confident translating complex business needs into functional solutions and be able to … progression programs. Inclusive and diverse work environment promoting collaboration and engagement. Competitive remuneration package and employee benefits. Key Skills and Experience Advanced full-stack development skills (.NET, .NET Core, C#, Python, SQL) and cloud technology experience. Strong leadership experience managing high-performing development teams. Knowledge of banking products, financial analysis, and regulatory requirements. Experience delivering Agile projects, CI/CD More ❯

Technical Lead Engineer/Director Key Technologies: C#, .NET, .NET Core, Azure, SQL Location: London Perm Role | Hybrid Working Structure Harrington Starr has partnered with a global Investment Bank, seeking to hire a Director level Engineer with extensive .NET development experience within investment banking. This person must be confident translating complex business needs into functional solutions and be able to … progression programs. Inclusive and diverse work environment promoting collaboration and engagement. Competitive remuneration package and employee benefits. Key Skills and Experience Advanced full-stack development skills (.NET, .NET Core, C#, Python, SQL) and cloud technology experience. Strong leadership experience managing high-performing development teams. Knowledge of banking products, financial analysis, and regulatory requirements. Experience delivering Agile projects, CI/CD More ❯

Exciting opportunity for a Senior .Net C# Software Engineer with a background in front office trading to join a global Commodities Trading Company. You will be working in a front office trading environment dealing directly with business users & stakeholders. The role involves development & support of the existing platform for managing market and fundamental data across capture, forecasting and visualisation for … Power, Gas and Weather. Key Requirements - 15 year+ experience - Strong .Net/C# - Strong SQL Server - Strong Azure Cloud experience Ideally, you will have worked with modelling of commodities, ideally energy (power, gas, environmental products). This needs combining with a positive attitude and an ability to work within a large, globally dispersed project team in a multi-cultural environment. More ❯

Exciting opportunity for a Senior .Net C# Software Engineer with a background in front office trading to join a global Commodities Trading Company. You will be working in a front office trading environment dealing directly with business users & stakeholders. The role involves development & support of the existing platform for managing market and fundamental data across capture, forecasting and visualisation for … Power, Gas and Weather. Key Requirements - 15 year+ experience - Strong .Net/C# - Strong SQL Server - Strong Azure Cloud experience Ideally, you will have worked with modelling of commodities, ideally energy (power, gas, environmental products). This needs combining with a positive attitude and an ability to work within a large, globally dispersed project team in a multi-cultural environment. More ❯

Exciting opportunity for a Senior .Net C# Software Engineer with a background in front office trading to join a global Commodities Trading Company. You will be working in a front office trading environment dealing directly with business users & stakeholders. The role involves development & support of the existing platform for managing market and fundamental data across capture, forecasting and visualisation for … Power, Gas and Weather. Key Requirements - 15 year+ experience - Strong .Net/C# - Strong SQL Server - Strong Azure Cloud experience Ideally, you will have worked with modelling of commodities, ideally energy (power, gas, environmental products). This needs combining with a positive attitude and an ability to work within a large, globally dispersed project team in a multi-cultural environment. More ❯

Exciting opportunity for a Senior .Net C# Software Engineer with a background in front office trading to join a global Commodities Trading Company. You will be working in a front office trading environment dealing directly with business users & stakeholders. The role involves development & support of the existing platform for managing market and fundamental data across capture, forecasting and visualisation for … Power, Gas and Weather. Key Requirements - 15 year+ experience - Strong .Net/C# - Strong SQL Server - Strong Azure Cloud experience Ideally, you will have worked with modelling of commodities, ideally energy (power, gas, environmental products). This needs combining with a positive attitude and an ability to work within a large, globally dispersed project team in a multi-cultural environment. More ❯

Understanding and solving challenging problems through simplistic solutions and services. Architect and build using technology that is best suited to solving the problem. Currently, we build with .NET Core, C#, Blazor, JavaScript, Angular, Azure, RabbitMQ, MS SQL and we adopt new technologies when they'll help us better achieve our goals. Collaborate with both internal and external teams to ensure … but if you are technically talented, passionate and can communicate then we're interested to hear from you regardless of experience years. Demonstrable software development experience in .NET Core, C# plus one of Blazor, JavaScript, Angular, Azure, RabbitMQ Strong SQL skills Competent using whatever technology is best suited to solving a problem. Enthusiasm for continuous learning. Ability to communicate with More ❯

Understanding and solving challenging problems through simplistic solutions and services. Architect and build using technology that is best suited to solving the problem. Currently, we build with .NET Core, C#, Blazor, JavaScript, Angular, Azure, RabbitMQ, MS SQL and we adopt new technologies when they'll help us better achieve our goals. Collaborate with both internal and external teams to ensure … but if you are technically talented, passionate and can communicate then we're interested to hear from you regardless of experience years. Demonstrable software development experience in .NET Core, C# plus one of Blazor, JavaScript, Angular, Azure, RabbitMQ Strong SQL skills Competent using whatever technology is best suited to solving a problem. Enthusiasm for continuous learning. Ability to communicate with More ❯

C# Developer Onsite Working Financial Services Lorien's leading Investment client are looking for a C# Developer to join them on a contract basis on an 6-month contract. We are looking for a strong C# Developer who has experience of working within Investment Banking environments with strong communication skills. This role is based in London. This role will be More ❯

Backend Software Engineer/Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management, earning substantial bonuses. As a Backend Software Engineer within the trading engine team you'll collaborate to … front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such … Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Backend Software Engineer/Developer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from More ❯

Backend Software Engineer/Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management, earning substantial bonuses. As a Backend Software Engineer within the trading engine team you'll collaborate to … front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such … Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Backend Software Engineer/Developer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from More ❯