Senior Blockchain Engineer - Real-Time Web3 Payments

Gamdom; Johannesburg; On-site; ZAR 300 000 - 400 000; Full time

Job summary

A leading blockchain gaming company in Johannesburg is seeking a Senior Crypto Developer to build and maintain their blockchain infrastructure. The ideal candidate will have over 5 years of backend development experience, especially with Node.js and TypeScript, and a strong understanding of blockchain technology. The role involves optimizing transaction pipelines and integrating new blockchain networks. This position offers growth opportunities, competitive salary, and a dynamic work environment.

Benefits

Dynamic work environment

Opportunities for professional growth

Competitive salary and performance-based incentives

Qualifications

• 5+ years of backend development experience, with a focus on Node.js and TypeScript.
• Strong understanding of blockchain fundamentals, including UTXO vs. account-based models.
• Experience with Ethereum, Bitcoin, and L2s like Arbitrum and Polygon.

Responsibilities

• Own backend micro-services in Node.js/TypeScript interfacing with multiple blockchains.
• Run and optimize bitcoin-core nodes, managing UTXO sets and fee estimation.
• Build and maintain Ethereum transaction pipelines using ethers.js.

Skills

Backend development experience

Node.js

TypeScript

Blockchain fundamentals

Ethereum and Bitcoin

Web3 libraries

Security practices

React

High-availability systems

Documentation and communication skills

Job description

A leading blockchain gaming company in Johannesburg is seeking a Senior Crypto Developer to build and maintain their blockchain infrastructure. The ideal candidate will have over 5 years of backend development experience, especially with Node.js and TypeScript, and a strong understanding of blockchain technology. The role involves optimizing transaction pipelines and integrating new blockchain networks. This position offers growth opportunities, competitive salary, and a dynamic work environment.