Blockchain Backend Developer

CÔNG TY TNHH BULL LABS

Vinhomes West Point, Pham Hung Street, Me Tri Ward, Nam Tu Liem, Ha Noi

Overview

Salary:  1,000 - 2,500 USD

Job Type:  Full-time

Experience: 2 years of experience

Openings: 1

Posted: 2025-11-06 15:17

Category:  Công nghệ thông tin

Job Description

  • Design and implement RESTful APIs
  • Build and deploy performant modern web applications in Golang, Rust, Nodejs, ...
  • Build a high-performance and optimized backend system to meet large volumes of traffic.
  • Architect efficient and scalable backend systems
  • Write unit, functional and end-to-end tests
  • Write high-quality code (Go, Rust, NodeJS) that communicates with upstream backend services via HTTP/GRPC APIs
  • Identify and resolve performance and scalability issues
  • Participate in code reviews
  • Participate in research on optimal solutions, and system security; contribute ideas on technology and products

Requirements

Must have:

  • At least 2 year of server-side programming (Experience level)
  • Understand CS fundamentals (algorithms and data structures, operating systems, networks, databases, etc)
  • Familiar with common network protocols (TCP, UDP, HTTP) and network programming;
  • Good knowledge of both RDB and NoSQL.
  • Familiar with Linux development environments and multi-threaded programming;
  • Familiar with Version Control System (GIT)
  • Proficiency in at least one programming languages – Golang, Rust, Nodejs

Nice to have:

  • Having worked with Blockchain, Cryptocurrencies, and/or high-access responsive systems is a big plus
  • Building data lake and analytics skills (Metabase, Dune, BigQuery, Data Studio)
  • Knowledge of information safety and security is an advantage.
  • Strong problem-solving, interpersonal, and communication skills
  • Experience in Docker/Kubernetes and Cloud Infrastructure is a plus
  • Able to work with a team as well as independently.
  • Have spirit, responsibility, and initiative in work.

Benefits

Development opportunities:

  • Working in an environment with talented engineers who have experience in developing products in the field of Fintech, Blockchain, Cryptocurrencies.
  • Take a key role in building the project from the very beginning;
  • Technical and professional training throughout the working process.

Remuneration:

  • Earn up to $2500, 13th-month bonus, performance bonus according to the company's business situation.
  • Flexible working hours: 9:00-18:30 Monday-Friday, 1h30-minute lunch break
  • Labor contract and all benefits prescribed by the state (pay social insurance, health insurance, unemployment insurance);
  • 16 days leave, 4 days sick leave with full salary;
  • PVI Healthcare Insurance;
  • Annual health check at a reputable hospital;
  • Equipment for work;
  • Daily lunch, happy hour every Thursday, and monthly team outing;
  • Chillax office with gym, swimming pool, free snacks & drink all day;
  • Travel - vacation at least once a year at domestic and international 5-star resorts;
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