Back End Developer

LanceSoft, Inc.; Jakarta Pusat; On-site; IDR 167,400,000 - 390,600,000; Full time

Job summary

Lancesoft in Jakarta is seeking a backend developer to build scalable services using Python or Node.js. You will design workflows with n8n and integrate REST APIs with internal and third-party systems, collaborating with Product and AI teams on LLM/RAG driven solutions.

The role emphasizes code reviews, performance tuning, and secure deployment, with Git-based workflows and modern tooling to deliver reliable backend platforms for business processes.

Qualifications

• Bachelor's degree in Informatics Engineering or related field.
• Experience as a backend developer using Python or Node.js.
• Experience building workflow automation with n8n.
• Experience with Docker, Git, REST APIs, and deployment.
• Familiarity with NestJS framework.

Responsibilities

• Develop and maintain scalable backend services using Python or Node.js.
• Design, build, and manage workflow automation using n8n to integrate various systems and business processes.
• Develop and integrate REST APIs with internal applications and third-party services.
• Collaborate with Product and AI teams to implement solutions based on LLMs, RAG, or AI Agents.
• Conduct code reviews, debugging, and performance optimization while ensuring application quality and security.
• Manage source code using Git and follow software development best practices.

Skills

Python

Node.js

LLMs/RAG/AI Agents

Workflow automation

Code reviews

Education

Bachelor's degree (S1) in Informatics Engineering or related field

Tools

Docker

Git

REST APIs

NestJS

n8n

Job description

• Develop and maintain scalable and maintainable backend services using NestJS and FastAPI.
• Design, build, and manage workflow automation using n8n to integrate various systems and business processes.
• Develop and integrate REST APIs with internal applications and third-party services.
• Collaborate with the Product and AI teams to implement solutions based on LLMs, RAG, or AI Agents.
• Conduct code reviews, debugging, and performance optimization while ensuring application quality and security.
• Manage source code using Git and follow software development best practices.

Qualifications

1. Education

• Bachelor's degree (S1) in Informatics Engineering or a related field.

2. Technical Skills and Experience

• Experience as a Backend Developer using Python or Node.js.
• Experience developing workflow automation using n8n.
• Experience building applications based on LLMs, RAG, or AI Agents is an added advantage.
• Familiarity with Docker, Git, REST APIs, and application deployment.
• Familiarity with the NestJS framework.