Java Developer (Backend) for Tech Startup

Indonesia·SurabayaEmployeemid

EngineeringBackend Developer

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Quick Summary

Overview

HydroNeo is a fast-growing, international startup focusing on Smart Farming solutions for the global aquaculture industry. Our vision is to expand our Smart Farm Management System — already the market leader in Thailand — into the HydroNeo Aquaculture Super App, serving everything farmers and the…

Requirements Summary

Bachelor’s/Master’s degree in Computer Science, Engineering, or a related field. 2 years of proven experience in backend development, with a focus on IoT. Strong knowledge of event-driven development and MongoDB.

Technical Tools

dockerjavakafkakubernetesmongodbreactcode-review

Responsibilities

~2 min read

→Event-Driven Development:
- Design and implement efficient event-driven systems.
- Integrate and maintain platforms to handle high throughputs and complex event processing.
- Contribute to architectural decisions to enhance system resilience and scalability.
→IoT Integration:
- Develop and maintain robust backend systems for IoT devices.
- Implement communication protocols such as MQTT to ensure seamless interaction between devices and servers.
- Ensure the secure and efficient exchange of data between IoT devices and the backend system.
→Database Management:
- Design, implement, and manage database solutions utilizing MongoDB.
- Optimize database structures for performance and reliability.
- Manage data migration, backup, and restoration activities.
→Authentication and Authorization:
- Implement and maintain Keycloak for secure user authentication and authorization.
- Develop strategies for identity and access management.
- Enhance security measures to protect sensitive information and prevent unauthorized access.
→Message Brokering:
- Implement and manage Kafka to facilitate the exchange of real-time data and events between applications.
- Optimize message brokers for reliability and low-latency.
- Develop monitoring tools to oversee message broker health and activity.
→Integration and API Development:
- Develop scalable and maintainable APIs for integration with front-end applications, especially those utilizing React.
- Collaborate with front-end developers to align backend functionality with frontend requirements.
- Maintain API documentation to facilitate seamless integration.
→Code and Quality Management:
- Conduct code reviews to ensure adherence to coding standards and to maintain code quality.
- Implement testing frameworks to validate system functionality and robustness.
- Collaborate with other developers and teams to resolve bugs and optimize code performance.
→**Working with AI:
**Use AI coding assistants as a daily part of your workflow to move faster and learn quicker.
- Contribute to AI-powered features in our product, from prompt design to integrating AI services into the backend and mobile app.
- Develop good judgment about when to trust AI output, when to verify, and when to solve it yourself.
→Continuous Learning:
- Stay abreast of the latest industry trends and best practices in backend and IoT development.

Requirements

~1 min read

Bachelor’s/Master’s degree in Computer Science, Engineering, or a related field.
2 years of proven experience in backend development, with a focus on IoT.
Strong knowledge of event-driven development and MongoDB.
Experience with Keycloak, MQTT, and Kafka is a plus.
Familiarity with Docker, Kubernetes, and other containerization technologies is a plus.
Good analytical, problem-solving, and critical-thinking skills.
Able to work as a team and focus on objectives with high standards and quality.
English (able to communicate within an international team).
Work on-site in our Surabaya office.