Back End Developer

Lancesoft Indonesia; Jakarta Pusat; On-site; IDR 180,000,000 - 300,000,000; Full time

Job summary

Lancesoft Indonesia is seeking a Backend Developer to build scalable backend services using NestJS and Python. You will design and maintain workflow automation with n8n, and integrate REST APIs with internal and external systems.

The role collaborates with product and AI teams on LLM/RAG based solutions, emphasizing code quality, security, and deployment practices. Jakarta-based, full-time.

Qualifications

• Bachelor’s degree in Informatics Engineering or related field.
• Backend experience with Python or Node.js.
• Experience with workflow automation using n8n.
• Familiarity with Docker, Git, REST APIs, and deployment.
• Experience with NestJS.

Responsibilities

• Develop and maintain backend services with NestJS and FastAPI.
• Design and manage workflow automation using n8n.
• Develop and integrate REST APIs with internal applications and third-party services.
• Collaborate with product and AI teams on LLMs, RAG, or AI agents.
• Conduct code reviews, debugging, and performance optimization.

Skills

Backend development

Python

Node.js

NestJS

REST APIs

Docker

n8n

AI/LLM

Education

Bachelor's degree in Informatics Engineering

Tools

Git

Docker

Job description

1. 1. Develop and maintain scalable and maintainable backend services using NestJS and FastAPI.
2. 2. Design, build, and manage workflow automation using n8n to integrate various systems and business processes.
3. 3. Develop and integrate REST APIs with internal applications and third‑party services.
4. 4. Collaborate with product and AI teams to implement solutions based on LLMs, RAG, or AI agents.
5. 5. Conduct code reviews, debugging, and performance optimization, while ensuring application quality and security.
6. 6. Manage source code using Git and adhere to software development best practices.

Qualifications

1. 1. Education: Bachelor’s degree (S1) in Informatics Engineering or a related field.
2. 2. Skills:
3. a. Experience as a Backend Developer (using Python or Node.js).
4. b. Experience in developing workflow automation using n8n.
5. c. Experience in building applications based on LLMs, RAG, or AI agents is a plus.
6. d. Familiarity with Docker, Git, REST APIs, and application deployment.
7. e. Familiarity with the NestJS framework.