Fullstack Developer
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.
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 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.