Full-stack Developer

Level

Middle - Senior

Type

Full-time

Location

Hanoi

Salary

Negotiable

About Us

Oraichain is the world's first AI-powered blockchain oracle and Layer 1 ecosystem, driving advancements in human-centric artificial intelligence and cross-chain interoperability for next-generation Web3 applications.

We are a culture of passionate minds in AI and blockchain, consisting of 6 PhDs, over 58 developers and employees, more than 10 part-timers, and hosting over 10 interns each year.

Learn more at Oraichain Labs

Website: https://orai.io

Twitter: https://x.com/oraichain

Role Overview

We seek a talented Senior Fullstack Developer with DevOps experience to build and maintain our AI-powered blockchain infrastructure and Web3 applications. This role focuses primarily on fullstack development with supporting DevOps responsibilities.

Technical Stack

Backend: NodeJS/NestJS, Python (FastAPI preferred for MLOps)

Frontend: React, Next.js, Tailwind CSS, Recoil/Redux/MobX

Databases: MongoDB, DuckDB, PostgreSQL, ElasticSearch

DevOps: Docker (required), Kubernetes/Prometheus/Grafana (nice to have)

Tools: Cursor, VS Code

Standards: SOLID principles, Clean Architecture, Design Patterns

Key Responsibilities

Backend Development

  • Maintain and develop features for backend systems according to existing architecture
  • Build APIs for AI oracle services, blockchain data processing, and Web3 integrations
  • Develop secure smart contract interaction layers and blockchain oracle mechanisms
  • Refactor codebase, write unit/integration test cases
  • Research and apply new technologies to increase work efficiency

Frontend Development

  • Develop responsive web applications for Oraichain's ecosystem
  • Maintain user interfaces for blockchain explorers, AI dashboards, and DeFi platforms
  • Handle Web3 wallet integrations and blockchain transaction interfaces
  • Build interactive data visualization components for AI analytics
  • Optimize performance for AI-driven features and real-time blockchain data
  • Collaborate with designers and develop reusable component libraries

DevOps Support (Secondary)

  • Assist with Docker containerization and CI/CD processes
  • Help maintain monitoring, logging systems, and infrastructure documentation
  • Support database administration and deployment procedures

Required Qualifications

  • Bachelor's degree in Computer Science or related field
  • 4+ years fullstack development experience
  • Strong proficiency in NodeJS/NestJS, Python, React, and Next.js
  • Experience with MongoDB, PostgreSQL, ElasticSearch
  • Basic Docker experience and Git proficiency

Preferred Qualifications

  • FastAPI and MLOps experience
  • Kubernetes, Prometheus, Grafana knowledge
  • Blockchain/Web3 development background
  • AI/ML integration experience
  • Microservices and security best practices

Apply via hr@orai.io or contact to your partner here:

Ms. Linh Nguyen Thuy | Oraichain Talent Acquisition Department

Tel: (+84) 358 652 819 | E: linh.nt@orai.io | LinkedIn: Linhthuyng22

Oraichain Labs Team is your partner in this process and is here to answer any questions you have along the way.