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Rapsys Technologies Pte Ltd.

Rapsys Technologies Pte Ltd.

Software Engineer (Full STack)

Singapore, SGIn sedeIndeterminatoTempo pieno

Pubblicato il 28 set 2026

Questa offerta Γ¨ pubblicata in EN

🌟 We're Hiring: Software Engineer (Full Stack)! 🌟

We are looking for an experienced and versatile Full Stack Software Engineer to join our dynamic team. The ideal candidate will bring at least 5 years of hands-on experience in both frontend and backend development, with a passion for building robust, scalable solutions that drive business success.

πŸ“ Location: Singapore, Singapore

⏰ Work Mode: Work from Office

πŸ’Ό Role: Software Engineer (Full Stack)

What You'll Do:

Key Responsibilities

Backend

Development:

1.

Design, develop, and maintain microservices architecture using .NET Core, .NET

8 and Java.

2.

Implement event-driven architecture to enable seamless communication between

microservices.

3.

Utilize Entity Framework (EF) for efficient database interactions and

management.

4.

Containerize applications using Docker for scalability and deployment

flexibility.

5.

Apply Domain-Driven Design (DDD) principles to ensure clean and modular code

architecture.

6.

Implement OAuth for secure authentication and authorization.

7.

Develop and enforce security best practices to safeguard sensitive data and

systems.

8.

Utilize AWS services such as S3, Lambda, API Gateway, RDS, etc., for backend

development.

9.

Develop RESTful APIs endpoints to facilitate communication between the frontend

and backend.

10.

Apply Spec Driven Development (SDD) concepts in development of code via Claude

AI technologies.

11.

Support and maintain legacy .NET Framework (4.x) applications, including

migration pathways to modern .NET where applicable.

12.

Manage application hosting and deployment on IIS and Windows Server

environments, including environment-specific configuration management using

config transformations.

Frontend

Development:

1.

Develop responsive and user-friendly web applications using ASP.NET, including

WebForm applications.

2.

Generate and review unit tests using generative AI to ensure code quality and

reliability.

3.

Create reusable UI components and maintain a consistent design using Storybook.

4.

Collaborate closely with UX/UI designers to implement intuitive and visually

appealing interfaces.

5.

Troubleshoot and debug issues across the stack, ensuring smooth application

operation.

6.

Optimize application performance and scalability for a seamless user

experience.

What we are looking for

Requirements:

1.

Proven professional experience working on .NET Core stack.

2.

Strong proficiency in .NET Core, .NET 8, C#, Java and related backend

technologies.

3.

Experience building microservices architecture and implementing event-driven

design patterns.

4.

Proficiency in Entity Framework (EF) for database management.

5.

Familiarity with Docker and containerization principles.

6.

Knowledge of Domain-Driven Design (DDD) principles and their application in

backend development.

7.

Experience implementing OAuth for authentication and authorization.

8.

Understanding of security best practices and their application in backend

development.

9.

Hands-on experience with AWS services such as S3, Lambda, API Gateway, RDS,

etc.

10.

Proficiency in frontend technologies such as HTML, CSS, and JavaScript, ASP.NET

and WebForms.

11.

Experience writing unit tests and maintaining a design system with Storybook.

12.

Strong problem-solving skills and attention to detail.

13.

Excellent communication and collaboration skills.

14.

Knowledge and experience in utilizing generative AI to develop and review codes

via Spec Driven Development (SDD).

15.

Hands-on experience with legacy .NET Framework (4.x) applications, including

maintenance and incremental modernisation.

16.

Experience with Oracle databases, including query optimisation and integration

with .NET applications.

17.

Proficiency in deploying and configuring applications on IIS and Windows

Server, with working knowledge of Web.config transformations for

environment-specific deployments.

18.

Hands-on experience with Java Quarkus framework, including building and

deploying cloud-native microservices, with working knowledge of OpenTelemetry

for distributed tracing and observability.

Preferred

Qualifications:

19.

Preferably more than 5 years of experience as a full stack software engineer.

20.

Experience working in both Unix and Windows operating environments are

preferred.

21.

AWS certification (e.g., AWS Certified Developer, AWS Certified Solutions

Architect).

22.

Experience with Node.js for server-side development.

23.

Familiarity with RDS databases such as MSSQL.

24.

Knowledge of CI/CD pipelines and DevOps practices.

25.

Understanding of Agile development methodologies.

26.

Experience with event-driven development patterns and architectures, as well as

frontend development using React or other Single Page Application (SPA)

frameworks.

Eager to contribute to impactful projects? πŸš€ Apply today and help shape the future with us!

Informazioni ruolo

Tipo di lavoro

Tempo pieno

Email

vinitha.r@rapsystechnologies.com

Skill richieste

C# / .NET Core / .NET 8JavaMicroservices architectureEvent-driven architecture / event-driven design patternsEntity Framework (EF)Docker / containerizationDomain-Driven Design (DDD)OAuth authentication and authorizationAWS services (S3, Lambda, API Gateway, RDS)RESTful API developmentFrontend web technologies (HTML, CSS, JavaScript, ASP.NET, WebForms)Unit testing / Spec-Driven Development and using generative AI for testsIIS and Windows Server deployment with Web.config transformationsOracle database integration and query optimisation

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