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VLink Inc

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Fullstack Developer

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Summary

Fullstack developer building cross-platform mobile apps with Flutter/Dart and scalable backend services with C#/.NET Core, including RESTful APIs, microservices, database design, and cloud deployment on AWS/Azure/GCP. Onsite in Jakarta Timur, collaborating with BA, QA, product, UI/UX, and DevOps teams.


  • Develop, maintain, and enhance cross-platform mobile applications using Flutter.

  • Design and develop scalable backend services using .NET Core / ASP.NET Core.

  • Build and maintain RESTful APIs to support mobile applications and external integrations.

  • Design and implement Microservices-based solutions to support scalable and maintainable applications.

  • Develop integration between multiple services, applications, databases, and third-party systems.

  • Implement appropriate authentication, authorization, validation, and security mechanisms.

  • Design and optimize database structures, queries, and data access processes.

  • Deploy, configure, and maintain applications/services within cloud server environments.

  • Collaborate with DevOps or infrastructure teams to support application deployment and environment management.

  • Monitor application performance and troubleshoot issues across frontend, backend, API, database, and cloud environments.

  • Identify performance bottlenecks and implement improvements for application scalability and reliability.

  • Participate in code reviews, technical discussions, debugging, testing, deployment, and system improvements.

  • Ensure development follows clean coding practices, development standards, security guidelines, and architectural principles.

  • Work closely with Business Analysts, QA Engineers, Product Managers, UI/UX Designers, DevOps Engineers, and other stakeholders to deliver end-to-end solutions.


Job Description


Key Responsibilities



  • Develop, maintain, and enhance cross-platform mobile applications using Flutter.

  • Design and develop scalable backend services using .NET Core / ASP.NET Core.

  • Build and maintain RESTful APIs to support mobile applications and external integrations.

  • Design and implement Microservices-based solutions to support scalable and maintainable applications.

  • Develop integration between multiple services, applications, databases, and third-party systems.

  • Implement appropriate authentication, authorization, validation, and security mechanisms.

  • Design and optimize database structures, queries, and data access processes.

  • Deploy, configure, and maintain applications/services within cloud server environments.

  • Collaborate with DevOps or infrastructure teams to support application deployment and environment management.

  • Monitor application performance and troubleshoot issues across frontend, backend, API, database, and cloud environments.

  • Identify performance bottlenecks and implement improvements for application scalability and reliability.

  • Participate in code reviews, technical discussions, debugging, testing, deployment, and system improvements.

  • Ensure development follows clean coding practices, development standards, security guidelines, and architectural principles.

  • Work closely with Business Analysts, QA Engineers, Product Managers, UI/UX Designers, DevOps Engineers, and other stakeholders to deliver end-to-end solutions.


Minimum Qualifications


Minimum Qualifications



  • Minimum 4+ years of professional experience in Fullstack Development, Software Engineering, or a related role.

  • Strong hands-on experience developing mobile applications using Flutter & Dart.

  • Strong experience in backend development using C# & .NET Core / ASP.NET Core.

  • Experienced in designing, developing, consuming, and integrating RESTful APIs.

  • Solid understanding of Frontend–Backend architecture and system integration.

  • Experience working with Microservices Architecture and distributed application environments.

  • Familiar with designing and developing independent, scalable, and maintainable backend services.

  • Understanding of service-to-service communication, API Gateway, authentication, authorization, and service integration.

  • Experience working with relational databases such as SQL Server, PostgreSQL, or MySQL.

  • Familiar with database design, SQL queries, data relationships, indexing, and performance optimization.

  • Familiar with Cloud Server / Cloud Computing environments, preferably AWS, Microsoft Azure, or Google Cloud Platform (GCP).

  • Understanding of deploying and managing applications/services in cloud environments.

  • Familiar with Linux/Windows Server environments, networking fundamentals, and application configuration.

  • Experience with Git-based version control and collaborative development workflows.

  • Familiar with application debugging, logging, monitoring, and troubleshooting across frontend and backend environments.

  • Good understanding of software development lifecycle (SDLC) and Agile/Scrum methodologies.

  • Strong analytical, problem-solving, and troubleshooting skills.

  • Able to work independently and collaborate effectively with BA, QA, Product, UI/UX, DevOps, and other engineering teams.


Nice to Have


Candidates with the following experience will be a strong plus:



  • Hands-on experience building production-grade Flutter applications.

  • Strong experience developing Microservices using .NET Core.

  • Experience with Docker and containerized applications.

  • Familiarity with Kubernetes or container orchestration.

  • Experience implementing CI/CD pipelines.

  • Experience with Azure, AWS, or GCP services.

  • Familiarity with cloud services such as compute, storage, database, networking, and monitoring.

  • Experience with message brokers / event-driven architecture such as RabbitMQ or Kafka.

  • Understanding of Redis / caching mechanisms.

  • Experience with API Gateway and service discovery.

  • Familiarity with application monitoring and logging tools.

  • Experience working with high-availability, scalable, or high-transaction systems.

  • Experience in Banking, Fintech, Insurance, Payment, or other enterprise-level applications is highly preferred.

Skills

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See also

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