Junior Software Engineer, Blockchain Security

BIT Official; California (MO); On-site; USD 90,000 - 150,000; Full time

Job summary

BIT seeks a recent graduate or up to 2 years of experience to contribute to security-focused development on blockchain infrastructure. You will analyze protocols (Ethereum/EVM, Solana, Cosmos, Substrate), implement secure code, and collaborate with senior engineers on defense-in-depth strategies.

You will participate in security audits, write tests, and document technical work while communicating effectively in English and Mandarin. This role offers growth in a fast-paced crypto environment.

Qualifications

• Bachelor's degree in CS, Cryptography, Cyber Security, Engineering, Mathematics or related field; Master’s degree preferred.
• Strong command of Java, Go, Rust or C++; Python is a bonus.
• Solid foundation in data structures, algorithms, distributed systems, and concurrency.

Responsibilities

• Analyse how blockchain protocols work and help redesign wallet systems with secure cryptographic mechanisms.
• Develop hardening and mitigation plans against protocol-level vulnerabilities and risks.
• Contribute to security-driven re-architecture of systems with clear trust boundaries.

Skills

Java

Go

Rust

C++

Python

Security mindset

Analytical thinking

Education

Bachelor's degree in CS/Engineering/Math

Master's degree preferred

Job description

BIT seeks a recent graduate or up to 2 years of experience to contribute to security-focused development on blockchain infrastructure. You will analyze protocols (Ethereum/EVM, Solana, Cosmos, Substrate), implement secure code, and collaborate with senior engineers on defense-in-depth strategies.

You will participate in security audits, write tests, and document technical work while communicating effectively in English and Mandarin. This role offers growth in a fast-paced crypto environment.