R
RAPSYS TECHNOLOGIES PTE LTD
Dot Net Developer
Skills
SQL QueriesDockerReactNodeTypescriptPythonC#.NETTesting & QAPostgreSQLGitGitLabJenkinsMachine LearningAIAnsibleServiceNowCompliance
1 month ago
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Important information
Contract type:
Permanent
Location:
Singapore
Work mode:
Onsite
Published on:
22 September 2026
What they need
Role: Dot Net Developer Jd What You'll Do
- Design, build, and maintain RESTful APIs and backend services using .NET 8 / ASP.NET Core
- Work with PostgreSQL (via Npgsql/Entity Framework) to design schemas, write efficient queries, and manage data access layers
- Implement and maintain authentication/authorization flows, including JWT bearer auth, Windows/Negotiate authentication, and LDAP/Active Directory integration
- Integrate backend services with third-party and enterprise systems (e.g., ServiceNow-style ITSM platforms, directory services, internal data APIs)
- Collaborate with frontend engineers to design clean API contracts consumed by React/TypeScript applications
- Containerize services with Docker and support CI/CD pipelines (Jenkins, GitLab CI)
- Write unit and integration tests, participate in code reviews, and uphold code quality standards (e.g., SonarQube)
- Troubleshoot and resolve production issues across the stack, with structured logging (log4net) and observability practices
- Contribute to architecture decisions for new services and the evolution of existing ones
What We're Looking For
- 5+ years of professional experience building backend services in C# / .NET (ASP.NET Core preferred)
- Strong understanding of REST API design, authentication/authorization patterns, and secure coding practices
- Experience working with relational databases (PostgreSQL, SQL Server, or similar) and ORMs (Entity Framework or equivalent)
- Familiarity with containerization (Docker) and CI/CD pipelines
- Experience with version control (Git) and collaborative development workflows
- Strong debugging, troubleshooting, and problem-solving skills
- Clear written and verbal communication, with the ability to work cross-functionally with frontend, QA, and infrastructure teams
Nice to Have (Advantages)
- Full-stack development experience — comfort working across the stack with React/TypeScript front ends, from API design to UI integration
- AI/ML knowledge — familiarity with applying AI/LLM tooling to developer workflows, automation, or product features (e.g., integrating LLM APIs, prompt engineering, or AI-assisted development practices)
- Automation experience with Python and/or Ansible Automation Platform (AAP) — building or maintaining scripts, playbooks, or jobs for infrastructure automation, compliance checks, or operational tooling
What Makes You Stand Out
- Experience integrating enterprise systems with LDAP/Active Directory or similar identity providers
- Exposure to hybrid environments where .NET services, Node/React front ends, and Python-based automation coexist and need to interoperate
- A track record of improving reliability, security, or maintainability of backend systems in a production environment
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