Full stack .NET developer building and supporting scalable, secure enterprise applications end to end: C#/.NET 6+ backends with ASP.NET Core Web APIs, and React (TypeScript) frontends, working in Agile teams with TDD and CI. Experience in regulated environments like banking is valued; role is based in Singapore.
About The Role
Seeking a strong Full Stack .NET Developer to build and support scalable, secure, and high-quality enterprise applications.
The ideal candidate possesses deep backend expertise in C# and .NET (Core / .NET 6+) and modern frontend skills in React (TypeScript).
A keen eye for UI/UX is essential.
Experience thriving in complex, regulated environments (such as banking) is highly valued.
Key Responsibilities
Design, develop, and deliver end-to-end solutions using C#, .NET Core/.NET 6+, and React (TypeScript, RxJS, Routing, Hooks, Context, Suspense).
Build secure, robust ASP.NET Core Web APIs, including middleware, dependency injection, configuration, and logging.
Translate business and system requirements into scalable, stable, and fit-for-purpose technical solutions.
Analyse and resolve complex legacy defects and production incidents with composure.
Ensure adherence to standards for code quality, performance, and security.
Contribute across the Software Development Life Cycle (SDLC): analysis, solution design, coding, testing, deployment, and support.
Work collaboratively in Agile teams (Scrum/SAFe), adopting Test-Driven Development (TDD) and Continuous Integration (CI) best practices.
Partner with stakeholders across technology and business, communicating clearly to non-technical audiences.
Drive continuous improvement in architecture, testing, observability, and developer experience.
Technical Skills
Proficiency in C# and .NET Core / .NET 6+.
Experience building Web APIs with ASP.NET Core (middleware, dependency injection, configuration, logging).
Strong skills in React (TypeScript, Hooks, Context, Routing); familiarity with RxJS/Suspense is a plus.
Solid computer science fundamentals, including algorithms, data structures, and object-oriented programming (OOP).
Experience with TDD; able to write unit, integration, and acceptance tests.
Familiarity with tooling such as Visual Studio / JetBrains Rider, VS Code, and Chrome DevTools.
Basic knowledge of Linux shell commands.
Experience with relational databases: SQL, joins, indexes, triggers, and query optimisation.
Understanding of REST web services.
Proficiency with Git and code quality tools such as SonarQube / SonarLint.
Professional Skills
Excellent communication skills; able to explain complex technical topics to non-technical stakeholders.
Reputation for technical depth and problem-solving; able to tackle issues others struggle with.
Strong organisational skills; able to prioritise, estimate, plan, and track delivery.
Collaborative team player with a calm, effective approach in crisis situations.
Experience in regulated domains (e.g., Banking/FinTech) is an advantage.