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Analytical Skills

Leader Backend

freeC's Client
Save Job
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Full time
Hiring 1 people
5 years of experience
Ha Noi
Published 17/09/2025

Job Description

  • Design and establish the architecture for the Backend system within a Layer-1 blockchain ecosystem.
  • Manage a team of 3–7 Backend Developers, including task assignment, code reviews, and mentoring.
  • Implement microservices architectures, event-driven systems, gRPC/WebSocket, and handle on-chain and off-chain data processing.
  • Optimize system performance.
  • Operate and monitor infrastructure.
  • Collaborate directly with the CTO and Business Analysts to translate requirements into feasible technical architectures.

Requirements

  • Minimum of 5 years of Backend development experience, including at least 2 years in a Senior role.
  • Proficiency in Node.js, Golang, or Rust, with expertise in microservices architecture.
  • Deep understanding of blockchain infrastructure: nodes, RPC, consensus, validator, and staking.
  • Experience in building indexers (e.g., The Graph, SubQuery) or processing real-time blockchain data.
  • Solid knowledge of databases (PostgreSQL, NoSQL, Redis, caching, partitioning).
  • Proven experience in managing Backend teams and organizing Agile/Scrum processes.
  • Preference given to candidates with open-source contributions or practical blockchain products.

Skills

Backend Developer
Node.js
Database

Benefits

  • Probation period: 2 months (Probation salary = 85% of base salary).
  • Lunch allowance: 25,000 VND per day.
  • Annual leave: 12 days per year, with an additional day granted after every 12 months.
  • 13th-month salary or based on company performance.
  • Travel, vacation, team-building activities, holiday bonuses, and support for family events.
  • Performance reviews conducted every 6 months.
  • Social insurance benefits in accordance with legal regulations.

Career

Company Info

freeC
Ho Chi Minh
101-300 employees

About

freeC is the Smart Recruiting Platform that leverages matching technology to actively connect hundred of thousand of employers and job seekers. The success of freeC is determined by our success in operating as a unified team. If you're interesting, ambitious, and eager to advance your career with us, explore our vacancies as below. We're excited to have you on board our ship to help us grow fast, deliver on our mission of actively connecting employers and job seekers around Vietnam

Working Address

Lầu 06, Tòa nhà BCONS TOWER II , Số 42/1, Đường Ung Văn Khiêm, Phường 25, Quận Bình Thạnh, TP. HCMView map