Fullstack Developer (All Technology)

Design, develop, and maintain scalable web and mobile applications across front-end and back-end. We are open to candidates with expertise in Backend Development, Frontend Development, Full Stack Development, Web Development, or Mobile Development, depending on experience and technical specialization.

Key responsibilities

Design, develop, and maintain scalable web and/or mobile applications

Develop responsive, user-friendly, and high-performance applications across various platforms

Work in one or more areas of software development, including:

Backend Development: Java Spring Boot, Golang, .NET, Node.js, Python, and other backend technologies

Frontend Development: React.js, Vue.js, Angular, and other modern frontend frameworks

Full Stack Development: End-to-end development across frontend, backend, APIs, and databases

Web Development: Development and maintenance of web-based applications and platforms

Mobile Development: Android, iOS, and cross-platform mobile applications

Android Development: Kotlin, Java, and other Android technologies

iOS Development: Swift and other iOS development technologies

Cross-Platform Development: Flutter, React Native, and other cross-platform frameworks

Collaborate with cross-functional teams including UI/UX, QA, DevOps, Product, and other engineering teams to deliver high-quality solutions

Integrate APIs, databases, third-party services, and external systems

Write clean, efficient, scalable, and maintainable code following software development best practices

Perform debugging, troubleshooting, testing, and performance optimization

Participate in code reviews and contribute to continuous improvement of development processes and technical solutions

Ensure application security, scalability, reliability, and performance

Follow Software Development Life Cycle (SDLC) and Agile/Scrum methodologies

Contribute to technical documentation and knowledge sharing within the engineering team

About you

Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field

Minimum 2–8 years of experience as a Software Developer, Backend Developer, Frontend Developer, Full Stack Developer, Web Developer, Mobile Developer, Android Developer, iOS Developer, or in a similar role

Strong experience in software development with expertise in one or more of the following areas:

Backend: Java Spring Boot, Golang, .NET, Node.js, Python, or equivalent

Frontend: React.js, Vue.js, Angular, or equivalent

Full Stack: Combination of frontend and backend technologies

Web Development: Modern web technologies and frameworks

Android: Kotlin, Java, or equivalent

iOS: Swift or equivalent

Mobile / Cross-Platform: Flutter, React Native, or equivalent

Solid understanding of RESTful APIs, system design, software architecture, and/or microservices architecture

Experience working with relational databases such as MySQL and PostgreSQL

Familiarity with version control systems such as Git

Understanding of the Software Development Life Cycle (SDLC) and Agile/Scrum methodologies

Strong problem-solving and analytical skills

Ability to work effectively in a collaborative and cross-functional team environment

Able to adapt to different technologies, frameworks, and development environments

Available to join immediately (ASAP)

Willing to be placed and work onsite in Jabodetabek or Bandung, based on business requirements

Tujuh Sembilan is an IT company which provides skillfull talents as IT service for our customers. Founded in 2010, we are commited to develop and upgrade human resources with specific skills and knowledge, from potential to become excellent people who is ready to compete in IT industry to help you meet your IT business objective.

We provide qualified IT human resources and upgrade them with specific knowledges, skills, and attitudes through the best learning way in order to be ready for involving in IT projects.