Senior Blockchain Engineer, FinTech — Flexible Hours & Growth

Placements24

Randburg

On-site

ZAR 900,000 - 1,600,000

Full time

5 days ago

Be an early applicant

A complete application in a minute

Tailored resume and cover letter, ready to send.

Get past ATS filters

Benefits offered by this job

Competitive salary

Stock options

Health insurance

Career growth

Professional development

Work-life balance

Pension

Job summary

Placements24 in Randburg, Gauteng, ZA is seeking a Senior Blockchain Engineer to join their core development team. You will design, implement, and scale blockchain-based financial solutions, including smart contracts and dApps, working with Ethereum-compatible platforms.

The role focuses on secure, high-performance backend and smart contract development. Ideal candidates have 5+ years in software development with 3+ in blockchain, strong cryptography knowledge, and experience with Solidity and

Qualifications

5+ years of software development with at least 3 years in blockchain.
Experience deploying smart contracts and dApps on Ethereum/BSC or similar.
Proficiency in Solidity and related development frameworks (Hardhat/Truffle).

Responsibilities

Design, develop, and deploy robust blockchain solutions, including smart contracts and dApps.
Implement and optimize core blockchain protocols and network infrastructure.
Write clean, secure, and efficient code in Solidity, Go, Rust, or Python.
Collaborate with product managers to translate requirements into technical solutions.
Conduct security audits and performance testing of blockchain components.
Integrate blockchain with existing financial systems and third-party APIs.
Mentor junior engineers and promote best practices within the team.
Develop and maintain documentation for blockchain systems.