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Information Systems Student | Lead Developer | Teaching Assistant
Dava Hannas Putra
Sixth-semester Information Systems student at Universitas Indonesia specializing in enterprise software development. Currently serving as Lead Developer for a custom mini-ERP system built for a manufacturing business, with hands-on responsibility for system analysis and design, backend development using Django, external API integration, and production deployment infrastructure. Proven ability to translate complex business requirements across multiple domains into scalable, maintainable software products.
Building practical software that turns complex, cross-functional business requirements into maintainable digital workflows.
3 Featured projects
29+ Technical capabilities
2027 Expected graduation
Education
University of Indonesia
Bachelor of Science, Information Systems. Expected graduation: 2027. Depok, West Java.
Portfolio Projects
Lead Developer
Garam Enterprise & Analytics Resource (GEAR)
Led a small development team under University of Indonesia supervision to build a custom ERP system with permission-based access for a manufacturing and salt distribution company in Lampung, Indonesia, used by over 30 employees.
- Designed procurement, inventory, sales, finance, and analytics modules.
- Digitized paper-based workflows, reduced manual errors, and provided automated audit trails.
- Implemented account recovery using the Resend email service.
- Built a permission-based WhatsApp chatbot using Twilio, webhooks, and the Gemini LLM API.
- Deployed and maintained production on Linux, DigitalOcean, Gunicorn, Nginx, and PostgreSQL.
Campus Course Project
TravelAPAP
Developed a microservice-based tour package management system enabling vendors to create packages by integrating flights, accommodations, and tourist attractions from partner services.
- Implemented customer-facing browsing and ordering workflows.
- Built an authentication and authorization microservice using OAuth 2.0 and JWT.
- Implemented SSO for authentication persistence across multiple microservices.
- Deployed the microservices using AWS EC2, Docker, and Kubernetes.
Hobby Project
Silver Screen
Developed a cinema ticketing and operations management system supporting both customer-facing and internal business workflows with role-based access.
- Implemented online ticket booking, seat selection, and order management.
- Integrated a payment gateway interface through a payment gateway stub.
- Designed POS workflows for onsite staff ticket transactions.
- Built showtime scheduling and master data management for studios and movies.
- Deployed and maintained production on Linux, DigitalOcean, Gunicorn, Nginx, and PostgreSQL.
Technical Skills
Frameworks
- Django
- Spring Boot
- Vue.js
- React
- HTMX
Databases
- PostgreSQL
Infrastructure
- Linux
- Nginx
- Gunicorn
- DigitalOcean
- AWS EC2
- Docker
- Kubernetes
API & Integrations
- Twilio API
- Gemini API
- Resend API
Concepts
- System Design & Analysis
- Software Architecture
- REST API
- Authentication & Authorization
- OAuth 2.0
- JWT
- Microservices
Professional Experience
August 2025 - Present
Undergraduate Teaching Assistant
University of Indonesia | Depok
- Taught Statistics, Probability, Linear Algebra, and Calculus II to undergraduate students.
- Delivered lectures and led classroom sessions in the lecturer's absence.
- Conducted weekly tutorial and consultation sessions.
- Developed weekly quizzes, assignments, and examination problems.
- Graded and evaluated assignments, quizzes, and examinations.
November 2023 - Present
Private Tutor
Freelance / Part-time
- Served as a long-term paid private tutor for two students for over two years.
- Taught university-level programming, database, architecture, systems, accounting, and enterprise fundamentals courses.
- Provided academic mentoring, problem-solving guidance, and exam preparation support.
September 2024 - Present
Frontend Developer
GSJA Betlehem | Bogor
- Develop and maintain the frontend of the church's official website.
- Implement website features and interface improvements based on designs and requirements provided by the UI/UX team.
Contact
Let's Connect
Available for software development, enterprise system, backend, teaching, and technical collaboration opportunities.