Senior Flutter & .NET Fullstack Engineer (Microservices)

VLink Inc; Jakarta Timur; On-site; IDR 300,000,000 - 600,000,000; Full time

Job summary

VLink Inc in Jakarta is seeking a Senior Fullstack Engineer to develop mobile apps with Flutter and backend services using .NET Core. You will build RESTful APIs, design microservices, and deploy to cloud environments, while collaborating across business and engineering teams.

You will work with BI, QA, PMs, UI/UX, DevOps, and other stakeholders to deliver scalable, secure, and maintainable solutions that meet business needs.

Qualifications

• 4+ years in fullstack development or a related role.
• Strong Flutter & Dart experience for mobile apps.
• Backend development with C# and .NET Core / ASP.NET Core.
• Experience designing, developing, consuming, and integrating RESTful APIs.
• Understanding of front-end–back-end architecture and system integration.
• Experience with Microservices and distributed environments.
• Knowledge of relational databases and SQL performance optimization.
• Cloud familiarity (AWS/Azure/GCP) and deploying apps in the cloud.
• Experience with Docker, Kubernetes, Git, and CI/CD workflows.
• Familiar with API Gateways, service communication, and security practices.

Responsibilities

• Develop, maintain, and enhance cross-platform mobile apps using Flutter.
• Design and develop scalable backend services using .NET Core / ASP.NET Core.
• Build and maintain RESTful APIs to support mobile apps and integrations.
• Design and implement Microservices-based solutions.
• Develop integration between multiple services, databases, and third-party systems.
• Implement authentication, authorization, validation, and security mechanisms.
• Design and optimize database structures, queries, and data access processes.
• Deploy, configure, and maintain applications/services within cloud environments.
• Collaborate with DevOps, QA, Product, UI/UX, and other stakeholders.
• Monitor performance and troubleshoot issues across frontend, backend, API, database, and cloud environments.
• Identify bottlenecks and improve scalability and reliability.
• Participate in code reviews, debugging, testing, and system improvements.
• Adhere to clean coding practices, development standards, and security guidelines.

Skills

Flutter

Dart

RESTful APIs

Microservices

Security

Agile

SDLC

Problem solving

Team collaboration

Tools

C#

.NET Core / ASP.NET Core

Docker

Kubernetes

Git

CI/CD

AWS

Azure

GCP

RabbitMQ

Kafka

SQL

PostgreSQL

MySQL

Job description

VLink Inc in Jakarta is seeking a Senior Fullstack Engineer to develop mobile apps with Flutter and backend services using .NET Core. You will build RESTful APIs, design microservices, and deploy to cloud environments, while collaborating across business and engineering teams.

You will work with BI, QA, PMs, UI/UX, DevOps, and other stakeholders to deliver scalable, secure, and maintainable solutions that meet business needs.