Web3 Full-Stack Engineer | Next.js & Smart Contracts

Pengiklan Anonim; Banten; On-site; IDR 360,000,000 - 720,000,000; Full time

Job summary

Pengiklan Anonim seeks a capable full-stack developer to build and maintain web apps using Next.js and TypeScript, and to design robust REST APIs with MongoDB data models. You will integrate the frontend with wallet interactions and on-chain services, turning designs into responsive interfaces and keeping production services healthy.

The role requires strong React/Next.js experience, backend ownership across Node.js or Python or similar, deep MongoDB knowledge, and comfort with Git workflows.

Qualifications

• Experience with React and Next.js, including the App Router.
• Experience building backends and owning services; Node.js, Python, Go, PHP, or similar acceptable.
• Strong MongoDB knowledge: document design, indexing, aggregation pipelines.
• Comfortable with Git and collaborative workflows (branching, PRs, code review).
• Ability to translate Figma designs into responsive interfaces.
• Familiarity with AI coding tools and knowing when to correct outputs.
• Understanding of Web3 fundamentals: wallets, on-chain transactions, front-end interactions.
• Experience with Web3 libraries such as ethers.js, viem, or wagmi for wallet connections and transactions.
• Ability to read ABIs and call smart contract functions from an app.
• Understanding of gas, nonce, and transaction lifecycle in UI contexts.
• Basic English communication skills; portfolio or projects to show real abilities.

Responsibilities

• Build and maintain web applications using Next.js and TypeScript.
• Design and implement REST APIs with standard JSON payloads and MongoDB data structures; own services in production.
• Integrate frontend with smart contracts and on-chain services (wallets, contract state, transactions).
• Build responsive, fast websites and landing pages matching designs.
• Write supporting services or scripts in Node.js or Python as needed.
• Review code, maintain codebase health, and contribute to technical direction.
• Handle deployment, monitoring, and production issues.

Skills

React

Next.js

API design

MongoDB

Web3 basics

TypeScript

Git

Tools

Node.js

Python

ethers.js

viem

wagmi

Cursor

GitHub Copilot

Job description

Pengiklan Anonim seeks a capable full-stack developer to build and maintain web apps using Next.js and TypeScript, and to design robust REST APIs with MongoDB data models. You will integrate the frontend with wallet interactions and on-chain services, turning designs into responsive interfaces and keeping production services healthy.

The role requires strong React/Next.js experience, backend ownership across Node.js or Python or similar, deep MongoDB knowledge, and comfort with Git workflows.