Senior dApp Engineer (Solidity + Frontend)

Placements24; Mbombela (Nelspruit); On-site; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Health benefits

Career growth opportunities

Team events

Job summary

Placements24 in Nelspruit, Mpumalanga, ZA is seeking a Senior Blockchain Developer to design, build, and deploy scalable dApps. You will work across smart contracts, front-end interfaces, and back-end services to deliver secure and performant blockchain solutions.

The role emphasizes collaboration with product and design teams, code quality, and staying ahead of blockchain security best practices in a fast-paced startup environment.

Qualifications

• Proven experience as a Blockchain Developer with dApp projects.
• Solid Solidity development on EVM-compatible chains.
• Strong frontend skills (JS/TS + React/Vue/Angular).
• Experience with backend APIs (Node.js, Python, Go).
• Familiarity with Web3 libraries and blockchain tooling.
• Understanding of cryptography and consensus mechanisms.

Responsibilities

• Design, develop, and deploy dApps across blockchain platforms.
• Write and audit smart contracts in Solidity; integrate with front-end.
• Build intuitive front-end UIs for dApps using React or Vue.js.
• Develop backend services and APIs interfacing with blockchain networks.
• Optimize performance, security, and scalability of dApps.
• Conduct unit, integration, and end-to-end testing for contracts and apps.
• Collaborate with designers to ensure strong UX.
• Stay updated on blockchain tech and security best practices.

Skills

Blockchain development

dApp development

Solidity

JavaScript/TypeScript

Frontend frameworks

Node.js

API design

Git

Education

Bachelor's degree in Computer Science or Engineering

Tools

Hardhat

Truffle

ethers.js

web3.js

Job description

Placements24 in Nelspruit, Mpumalanga, ZA is seeking a Senior Blockchain Developer to design, build, and deploy scalable dApps. You will work across smart contracts, front-end interfaces, and back-end services to deliver secure and performant blockchain solutions.

The role emphasizes collaboration with product and design teams, code quality, and staying ahead of blockchain security best practices in a fast-paced startup environment.