Full Stack Blockchain Developer (Remote First)

Placements24; Soweto; Hybrid; ZAR 1,500,000 - 2,167,000; Full time

Benefits offered by this job

Competitive salary

Flexible remote working

Equity options

Professional development

Job summary

Placements24 is seeking a talented Full Stack Blockchain Developer to join a remote-first startup focused on DeFi. You will build and scale the next-generation platform, blending smart contract work with user-facing apps and API services.

You will collaborate with a distributed team, implement Solidity contracts, design frontends with React or Vue.js, and ensure security and performance across the stack. This role offers flexibility, remote collaboration, and the chance to shape DeFi products.

Qualifications

• Bachelor's degree in CS or related field or equivalent practical experience.
• 4+ years of full-stack development experience with at least 2 years in blockchain/smart contracts.
• Proficiency in Solidity and tools like Hardhat or Truffle.
• Strong frontend experience with React, Vue.js, or Angular and web3 libraries.
• Backend experience with Node.js, Python, PostgreSQL, or MongoDB.
• Solid understanding of blockchain, DeFi, and security best practices.
• Excellent communication and ability to work remotely.

Responsibilities

• Develop, test, and deploy smart contracts on Ethereum/Polygon.
• Design responsive UI for dApps using React or Vue.js.
• Build backend services and APIs integrating with smart contracts.
• Ensure security, scalability, and performance of frontend and backend.
• Collaborate with remote team and participate in code reviews.
• Troubleshoot bugs across the full stack.
• Stay updated on blockchain, DeFi trends and full-stack development.
• Contribute to development processes and remote-first practices.
• Help shape technical direction and product roadmap.

Skills

Full stack development

Blockchain & DeFi

Smart contract development

Solidity

Frontend frameworks

Web3 libraries

Remote collaboration

Education

Bachelor's degree in Computer Science, Software Engineering, or related field

Tools

Hardhat

Truffle

React

Vue.js

Angular

ethers.js

web3.js

Node.js

Python

PostgreSQL

MongoDB

Job description

About the Role

Our client is a dynamic and innovative startup at the forefront of decentralized finance (DeFi) and is seeking a talented Full Stack Blockchain Developer to join their fully remote team. This is a remote-first position, meaning all collaboration and work will be conducted online, offering flexibility and a global perspective. You will be instrumental in building and scaling our next-generation DeFi platform, working on both smart contract development and the user-facing applications. The ideal candidate possesses a strong understanding of blockchain technologies, smart contract programming (Solidity), and modern frontend frameworks. You will collaborate closely with a distributed team of engineers, product managers, and designers to deliver robust and user-friendly decentralized applications. This role offers a unique opportunity to be a foundational member of a fast-paced startup, contribute to groundbreaking DeFi products, and work from anywhere. We are committed to fostering a collaborative and inclusive remote culture, valuing innovation and individual contribution. Your work will directly impact the development and success of our cutting-edge financial technology solutions.

Key Responsibilities

• Develop, test, and deploy smart contracts on blockchain platforms such as Ethereum or Polygon using Solidity.
• Design and implement intuitive and responsive user interfaces for decentralized applications using frameworks like React or Vue.js.
• Build and maintain backend services and APIs that integrate with smart contracts and external services.
• Ensure the security, scalability, and performance of both frontend and backend components of the DeFi platform.
• Collaborate effectively with a remote team through various communication tools and methodologies.
• Participate in code reviews, contribute to architectural decisions, and uphold high standards of code quality.
• Troubleshoot and resolve bugs and performance issues across the full stack.
• Stay current with emerging trends and technologies in blockchain, DeFi, and full-stack development.
• Contribute to the continuous improvement of development processes and best practices within a remote-first environment.
• Help shape the technical direction and product roadmap of our DeFi offerings.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
• Proven experience (4+ years) as a Full Stack Developer, with at least 2 years focused on blockchain and smart contract development.
• Proficiency in Solidity and experience with smart contract development tools (e.g., Hardhat, Truffle).
• Strong experience with frontend JavaScript frameworks (e.g., React, Vue.js, Angular) and web3 libraries (e.g., ethers.js, web3.js).
• Experience with backend technologies and databases (e.g., Node.js, Python, PostgreSQL, MongoDB).
• Solid understanding of blockchain principles, DeFi concepts, and security best practices.
• Excellent communication, collaboration, and problem-solving skills, essential for remote work.
• Ability to work independently, manage time effectively, and meet deadlines in a distributed team setting.
• Previous experience working in a remote-first company is highly advantageous.

Benefits

• Competitive salary and potential for equity options.
• Flexible remote working environment.
• Opportunity to work on innovative DeFi and blockchain projects.
• Professional development support and opportunities for learning.
• Be part of a growing and forward-thinking tech startup.