Senior Developer Platform & AI Data Product

OnlinePajak; Daerah Khusus Ibukota Jakarta; On-site; USD 30.000 - 50.000; Full time

Job summary

A leading company in the Indonesian market is seeking a founding engineer to drive product development in an entrepreneurial environment. This role includes building data-rich applications with cutting-edge technologies, offering a chance to make a real impact in a fast-paced startup culture.

Qualifications

• 8+ years of full-stack development experience, especially in B2B, data-heavy applications.
• Strong analytical and problem-solving ability with large datasets.
• Experience integrating and leveraging Large Language Models via APIs.

Responsibilities

• End-to-end ownership of building and maintaining next-gen B2B data products.
• Build and deploy scalable web apps, design dashboards, and manage databases.
• Contribute to system architecture and implement CI/CD pipelines.

Skills

Full-Stack Development

Data Visualization

Automation

Analytical Problem Solving

Education

Bachelor's degree or equivalent

Tools

Python

Java

Go

Node.js

React

Angular

Vue.js

PostgreSQL

MySQL

MongoDB

Elasticsearch

AWS

GCP

Azure

Docker

Kubernetes

GitHub Actions

Jenkins

Prometheus

Grafana

ELK stack

D3.js

Chart.js

Tableau

Job description

We’re looking for a highly skilled and entrepreneurial engineer to join as a founding member of our product development team. In this role, you’ll have end-to-end ownership of building, launching, and maintaining our next-gen B2B data products for the Indonesian market.
You’ll work closely with the Business Leader to shape and execute a bold product roadmap using cutting-edge AI and LLM technologies. If you’re passionate about building data-rich applications and want to make a real impact in a fast-moving startup environment—this is for you.

Responsibilities

1. Full-Stack Product Development
   • Build and deploy scalable web apps (frontend + backend) with modern frameworks
   • Design intuitive dashboards to present complex business insights
   • Manage SQL/NoSQL databases for both transactional and analytical workloads
2. API Development & Integration
   • Create and maintain secure, versioned REST or GraphQL APIs
   • Handle external API integrations (e.g., validation, billing, government services)
   • Develop microservices communication, external and internal API structure
3. System Architecture & DevOps
   • Contribute to technical architecture for scalability, security, and performance
   • Implement CI/CD pipelines and maintain DevOps best practices
   • Set up robust monitoring and logging (e.g., Prometheus, Grafana, ELK stack)
4. Product & Collaboration
   • Work with the Business Leader to align and implement product vision with user needs
   • Solve complex data processing challenges with a first-principles mindset
   • Own features from concept to launch in a lean, iterative way

Requirements

• Bachelor’s degree or equivalent
• 8+ years of full-stack development experience, especially in B2B, data-heavy applications
• Technical Skills: Backend: Python (preferred), Java, Go, or Node.js
• Frontend: React, Angular, or Vue.js
• Databases: SQL (PostgreSQL, MySQL) & NoSQL (MongoDB, Elasticsearch)
• APIs: REST/GraphQL, OAuth, JWT, API gateways
• DevOps: AWS/GCP/Azure, CI/CD tools (GitHub Actions, Jenkins), Docker/Kubernetes
• Monitoring: Prometheus, Grafana, ELK stack
• Data Skills : Data modeling, ETL processes, and data warehousing
• Comfortable working with large, complex datasets
• Data Visualization: Experience with data visualization libraries/tools (e.g., D3.js, Chart.js, Tableau embedded).
• Automation, AI/LLM Proficiency:Demonstrable experience in integrating and leveraging Large Language Models (e.g., MCP, OpenAI GPT series, Llama, or similar) via APIs
• Strong analytical and problem-solving ability
• Self-starter who can work independently and manage priorities
• Clear communicator and team collaborator