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Salary
$63k – $70k per year (gross)
Location
In office (Singapore)
Seniority
Senior · 7+ years exp
Employment
Contractor

First seen by Alion on Oct 13, 2026.

Overview
Company
Impact
Profile match

We are seeking a Junior Full Stack Developer (.NET) to develop, enhance, test, and maintain web applications using Microsoft .NET technologies and modern frontend frameworks. The successful candidate will work with senior developers and technical teams to implement backend services, develop user interfaces, integrate databases, and support the delivery of secure, reliable, and scalable software solutions.

Key Responsibilities
  • Develop and maintain web application components using C#, .NET, ASP.NET Core, Web API, Entity Framework Core, and LINQ.

  • Implement backend business logic, data access components, and application services based on technical specifications.

  • Develop and enhance RESTful APIs for communication between frontend applications, backend services, and external systems.

  • Build responsive user interfaces using React.js or Angular, TypeScript, JavaScript, HTML5, and CSS3.

  • Write and maintain SQL queries, stored procedures, functions, views, and database scripts using Microsoft SQL Server and T-SQL.

  • Assist in implementing application components using object-oriented programming, SOLID principles, dependency injection, and established design patterns.

  • Integrate frontend components with backend APIs and troubleshoot data exchange and application integration issues.

  • Implement basic authentication, authorization, input validation, and error-handling mechanisms in accordance with established security standards.

  • Write unit tests and support integration testing, API testing, debugging, and defect resolution.

  • Identify and resolve application defects, performance issues, and technical problems under the guidance of senior developers.

  • Use Git for source control, branching, code versioning, and collaborative development.

  • Support build, deployment, and CI/CD activities using Azure DevOps or equivalent development tools.

  • Assist in developing and maintaining applications hosted on Microsoft Azure.

  • Participate in code reviews, technical discussions, sprint planning, and Agile/Scrum development activities.

  • Prepare and maintain technical documentation, API specifications, code comments, and application support documentation.

  • Collaborate with senior developers, solution architects, QA engineers, business analysts, and DevOps teams to deliver software enhancements.

  • Follow established coding standards, secure development practices, software development lifecycle procedures, and quality assurance guidelines.

Required Qualifications and Experience
  • Minimum 7years of professional experience in software development, preferably in full stack web application development.

  • Hands-on knowledge of C#, .NET Core/.NET, ASP.NET Core, and object-oriented programming concepts.

  • Familiarity with Web API development, RESTful services, Entity Framework Core, and LINQ.

  • Working knowledge of React.js or Angular, JavaScript, TypeScript, HTML5, and CSS3.

  • Basic to intermediate proficiency in Microsoft SQL Server, T-SQL, relational database concepts, and query development.

  • Understanding of software development principles, data structures, debugging techniques, and common design patterns.

  • Familiarity with Git, version control workflows, and collaborative software development practices.

  • Exposure to unit testing, integration testing, API testing, and application troubleshooting.

  • Basic understanding of application security, authentication, authorization, and secure coding practices.

  • Exposure to Microsoft Azure, CI/CD pipelines, and Azure DevOps or equivalent tools will be an advantage.

  • Familiarity with Agile/Scrum methodologies and software development lifecycle practices.

  • Strong analytical, problem-solving, communication, and teamwork skills.

  • Ability to learn new technologies, follow technical guidance, and work collaboratively within a software engineering team.

Skills

Object-Oriented Programming, API Development, React Javascript, Handling Queries, Object Oriented Concepts, Security Procedures, REST APIs development, MySQL, Manage Software Development, Implementing Web Applications, API Testing, Backend Integrations, Microsoft SQL Server, Responsive Design, services specifications, Web Application Security, Integration Testing, C#, Software Development, C++

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