Senior Blockchain Developer - dApp Specialization

Placements24; Mbombela (Nelspruit); Sur place; ZAR 900 000 - 1 500 000; Plein temps

Avantages offerts par ce poste

Health benefits

Career growth opportunities

Team events

Résumé du poste

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.

Responsabilités

• 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.

Connaissances

Blockchain development

dApp development

Solidity

JavaScript/TypeScript

Frontend frameworks

Node.js

API design

Git

Formation

Bachelor's degree in Computer Science or Engineering

Outils

Hardhat

Truffle

ethers.js

web3.js

Description du poste

About the Role

Our client is a dynamic technology startup at the forefront of building next-generation decentralized applications (dApps). We are seeking a highly skilled Senior Blockchain Developer with a specialization in dApp development to join our innovative team. In this role, you will be instrumental in designing, developing, and deploying robust and scalable decentralized applications on various blockchain platforms. You will work closely with product managers, designers, and fellow engineers to translate concepts into fully functional dApps, ensuring security, performance, and user experience are paramount. This position offers an exciting opportunity to contribute to cutting-edge projects in the crypto and blockchain space and to shape the future of decentralized technology. The role is based in Nelspruit, Mpumalanga, ZA , offering a collaborative in-office environment.

Key Responsibilities

• Design, develop, and implement decentralized applications (dApps) using blockchain technology.
• Write smart contracts in languages like Solidity and integrate them with front-end interfaces.
• Develop and maintain user-friendly and intuitive front-end interfaces for dApps using frameworks like React or Vue.js.
• Build and manage back-end services and APIs that interact with blockchain networks.
• Optimize dApps for performance, scalability, and security.
• Conduct rigorous testing, including unit, integration, and end-to-end testing, for dApps and smart contracts.
• Collaborate with designers to ensure a seamless and engaging user experience.
• Troubleshoot and debug issues across the entire dApp stack.
• Stay up-to-date with the latest advancements in blockchain technology, dApp development, and security best practices.

Requirements

• Proven experience as a Blockchain Developer with a strong portfolio of dApp projects.
• Proficiency in smart contract development using Solidity and experience with EVM-compatible blockchains.
• Strong front-end development skills (e.g., JavaScript/TypeScript, React, Vue.js, Angular).
• Experience with back-end development and API design (e.g., Node.js, Python, Go).
• Familiarity with Web3 libraries (e.g., ethers.js, web3.js) and blockchain development tools (e.g., Hardhat, Truffle).
• Understanding of blockchain principles, consensus mechanisms, and cryptographic concepts.
• Experience with version control systems (Git).
• Excellent problem-solving, analytical, and debugging skills.
• Strong communication and teamwork abilities.
• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Benefits

• Our client offers a competitive salary, comprehensive health benefits, and significant opportunities for career growth within a rapidly expanding industry. You will have the chance to work on exciting and innovative projects, collaborate with a talented and passionate team, and contribute to the development of cutting-edge decentralized applications. Regular team events and a supportive work culture are integral to our environment.

Join our team in Nelspruit, Mpumalanga, ZA , and help build the future of the decentralized web.