Back End Engineer (Enterprise Efficiency) - Sea Labs

Sea; Jakarta Utara; On-site; IDR 180,000,000 - 300,000,000; Full time

Job summary

Sea Labs Indonesia is hiring a backend engineer to develop and maintain enterprise-grade services powering Sea's platforms, including Shopee's ecosystem.

You will collaborate with product managers, frontend engineers, and QA across the full development lifecycle, contribute to technical design, review code, and write clean, well-tested solutions that scale with growing demand.

Qualifications

• 1–3 years backend development experience (Java, Go, or Python).
• Strong fundamentals in data structures, algorithms, and OOP/design patterns.
• Experience with REST API design.
• SQL and basic schema design with indexing.
• Familiarity with Git and CI/CD concepts.
• Ability to write clean, readable code following conventions.
• General AI literacy and ability to apply AI to product engineering.

Responsibilities

• Develop and maintain backend services for enterprise-grade products.
• Write clean, readable code that follows team conventions and testing standards.
• Collaborate with product managers, frontend engineers, and QA across the full development lifecycle.
• Participate in technical design discussions and contribute to design documents.
• Conduct and participate in code reviews, incorporating feedback to improve quality.
• Test your own work before handoff and catch issues before QA.
• Communicate status, blockers, and questions early to PMs, QA, and peers.
• Learn and apply AI-assisted development tools to accelerate coding, debugging, testing, and documentation workflows.
• Contribute to AI/LLM integration efforts in backend services including API integration and output handling.

Skills

Backend development

Data structures & algorithms

OOP/design patterns

REST API design

Relational databases (SQL)

Git

CI/CD basics

AI literacy

Tools

Java

Go

Python

Docker

Redis

Job description

About the Team:

About Sea Labs Indonesia

Sea Labs is at the core of the Sea platforms development, supporting diverse business lines from e-commerce, supply chain, games, payment, and finance, among many others. The strong growth and unique positioning of Sea's e-commerce business, Shopee, spurred the launch of Sea Labs Indonesia. Since its inception, the group of passionate engineers has charted the course to drive the best experience for our users in Indonesia, many of which solutions are even adapted to other markets in the region.

Sea's hyper-growing business scale has transformed most "innocent" problems into huge technical challenges, and there is no better place to experience world-class projects first-hand if you love technologies as much as we do. Together with our passionate and driven teams, you'll get to develop your skills, build on industry knowledge, and collaborate with global teams in a dynamic space. Browse our Sea Labs Indonesia team openings to see how you can make an impact with us.

About Team

The Enterprise Efficiency team is dedicated to transforming workplace productivity through seamless integration of enterprise communication, open platform capabilities, and management systems covering HR, finance, and operational tools. Our products power the daily workflows of thousands of employees across Sea group companies.

Our product lines include SeaTalk (enterprise communication and collaboration platform) and PFMS (people and financial management system).

We are currently driving enterprise initiatives where we actively leverage AI-powered tools and LLM integrations to enhance product capabilities and accelerate engineering workflows.

Job Description

• Develop and maintain backend services for enterprise-grade products.
• Write clean, readable, and well-tested code that follows existing team conventions and coding standards.
• Collaborate with product managers, frontend engineers, and QA teams across the full development lifecycle – from PRD brief to production release.
• Participate in technical design discussions and contribute to technical design documents under guidance from senior engineers.
• Conduct and participate in code reviews, actively incorporating feedback to improve code quality
• Test your own work thoroughly before handoff – you will be expected to catch basic issues before QA
• Communicate clearly with PMs, QA, and peers: provide timely status updates, proactively raise blockers, and ask questions early when requirements are unclear
• Learn and apply AI-assisted development tools (e.g., Cursor, ChatGPT, Claude) to accelerate your coding, debugging, testing, and documentation workflows
• Contribute to AI/LLM integration efforts in backend services where applicable, including API integration and output handling

Requirements

• 1–3 years of backend development experience (Java, Go, or Python preferred)
• Solid fundamentals: data structures, algorithms, OOP/design patterns, REST API design
• Working knowledge of relational databases (SQL queries, basic schema design, indexing)
• Familiarity with version control (Git) and basic CI/CD concepts
• Able to write clean, readable code and follow existing code conventions
• General AI literacy – understands core AI/LLM concepts and can evaluate where AI capabilities can be practically applied to improve product features or engineering processes

Nice-to-Have Technical Skills

• Experience with microservices or service-oriented architecture
• Familiarity with caching (Redis), message queues, or containerization (Docker)
• Exposure to automated testing frameworks (unit tests, integration tests)
• Proficient in using AI-assisted development tools (e.g., Cursor, ChatGPT, Claude) to accelerate coding, debugging, testing, and documentation workflows
• Hands-on experience integrating AI/LLM APIs into backend services (e.g., prompt engineering, API integration, output parsing)