Backend Engineer

20byte; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

20byte is seeking a senior-leaning backend engineer to design secure, high-throughput APIs and serverless infrastructure powering web and mobile apps. You will shape data models, optimize performance, and define architecture decisions to increase reliability of our services.

You'll work with Node.js with TypeScript or Python (FastAPI/Django), collaborate with frontend and mobile teams, implement scalable database schemas, and document architectures for the broader tech org.

Qualifications

• Indonesian citizen residing in Indonesia.
• Remote within the country.
• Three+ years of backend or full-stack experience with backend focus.
• Proficiency in Node.js with TypeScript, or Python with FastAPI or Django.
• Strong relational database design, schema migrations, and query optimization.
• Professional written and spoken English skills.

Responsibilities

• Architect and build secure, scalable APIs and serverless services for production traffic.
• Design, migrate, and optimize relational and NoSQL database schemas.
• Improve query performance and data access patterns across services.
• Collaborate with front-end and mobile engineers to define contracts and integration points.
• Document system architecture, data flows, and engineering decisions for the wider team.

Skills

Node.js

TypeScript

Python

SQL & Relational DBs

NoSQL

APIs design

English communication

Serverless

Tools

FastAPI

Django

Job description

Role overview

A senior-leaning backend engineering role focused on designing secure, high-throughput APIs and serverless infrastructure that powers web and mobile platforms. The work spans relational and non-relational data modeling, performance tuning, and architectural decisions that shape the reliability of the products the team ships.

Responsibilities

• Architect and build secure, scalable APIs and serverless services for production traffic.
• Design, migrate, and optimize relational and NoSQL database schemas.
• Improve query performance and data access patterns across services.
• Collaborate with front-end and mobile engineers to define contracts and integration points.
• Document system architecture, data flows, and engineering decisions for the wider team.

Requirements

• Indonesian citizen residing in Indonesia; the role is fully remote within the country.
• Three or more years of backend or full-stack engineering experience with a backend focus.
• Deep proficiency in Node.js with TypeScript, or Python using FastAPI or Django.
• Strong grasp of relational database design, schema migrations, and query optimization.
• Professional written and spoken English skills.