Senior Backend Blockchain Developer (Remote)

Placements24; Bloemfontein; Hybrid; ZAR 1,969,000 - 2,953,000; Full time

Benefits offered by this job

Fully remote

Competitive salary

Professional development budget

Home office stipend

Flexible work hours

Job summary

Placements24 is seeking a Senior Backend Blockchain Developer for a fully remote role. You will design, build, and maintain backend services powering decentralized apps, integrate smart contracts, and ensure scalable, secure data flows.

The ideal candidate has 5+ years in backend development, 2+ years in blockchain, and proficiency in Go, Node.js, or Python, with experience in cloud and containerized environments. Join a remote, collaborative team shaping the future of blockchain tech.

Qualifications

• Bachelor's degree or equivalent experience in CS/SE or related field.
• 5+ years in backend software development.
• At least 2 years with blockchain or decentralized apps.
• Proficiency in Go, Node.js, Python, or Java.
• Experience with SQL/NoSQL and data modeling.
• Strong API design knowledge (REST/GraphQL).
• Familiarity with Solidity and blockchain libraries (ethers.js, web3.js).
• Cloud platforms and containerization (Docker, Kubernetes).
• Excellent problem-solving and remote collaboration skills.

Responsibilities

• Design, develop, and maintain scalable backend services for blockchain apps.
• Build and optimize APIs for frontend and third-party integration.
• Integrate smart contracts with backend systems securely.
• Manage data flow and storage for blockchain data.
• Write high-quality, well-tested code in Go, Node.js, or Python.
• Collaborate with remote teams and participate in code reviews.
• Monitor performance and implement reliability improvements.
• Stay updated on blockchain tech and security best practices.
• Contribute to architectural discussions and tech roadmap.

Skills

Backend development

Blockchain technology

API design (REST/GraphQL)

Distributed systems

Remote collaboration

Education

Bachelor's degree in Computer Science or related field

Tools

Go

Node.js

Python

Java

Solidity

Ethers.js / Web3.js

AWS / GCP / Azure

Docker

Kubernetes

Job description

About the Role

Our client is a fast-paced, innovative tech company building the next generation of decentralized applications. We are seeking a highly motivated Senior Backend Blockchain Developer to join our fully remote team. This role is critical in designing, developing, and maintaining the robust backend systems that power our blockchain solutions. You will work on complex challenges, from smart contract integration and API development to ensuring the scalability and security of our decentralized infrastructure. If you are a seasoned backend developer with a passion for blockchain technology and a proven ability to thrive in a remote work environment, we encourage you to apply. Our client values collaboration, technical excellence, and a commitment to innovation. This position is a remote-only opportunity, allowing you to work from anywhere.

Key Responsibilities

• Design, develop, and implement scalable and secure backend services for blockchain applications.
• Develop and optimize APIs for seamless integration with frontend applications and third-party services.
• Integrate smart contracts with backend systems, ensuring efficient and secure data flow.
• Implement robust data management strategies for blockchain-related data.
• Write high-quality, maintainable, and well-tested code in languages such as Go, Node.js, or Python.
• Collaborate with frontend developers, product managers, and other stakeholders in a remote setting.
• Monitor system performance, identify potential issues, and implement solutions for optimization and reliability.
• Conduct thorough code reviews and contribute to the team's technical standards.
• Stay current with emerging blockchain technologies, backend development trends, and security best practices.
• Participate in architectural discussions and contribute to the technical roadmap.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related discipline, or equivalent experience.
• 5+ years of professional experience in backend software development.
• At least 2 years of specific experience working with blockchain technologies or decentralized applications.
• Proficiency in one or more backend programming languages such as Go, Node.js, Python, or Java.
• Experience with database technologies (SQL, NoSQL) and data modeling.
• Strong understanding of API design principles (RESTful, GraphQL).
• Familiarity with smart contract development languages (e.g., Solidity) and blockchain interaction libraries (e.g., ethers.js, web3.js).
• Experience with cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes).
• Excellent problem-solving, analytical, and debugging skills.
• Proven ability to work effectively in a remote team environment, with strong written and verbal communication skills.
• Knowledge of security best practices for backend systems and blockchain integration.

Benefits

• This is a fully remote position offering a competitive salary, comprehensive health, dental, and vision insurance, and a generous performance-based bonus.
• Our client provides a professional development budget for courses, conferences, and certifications, enabling continuous learning in the rapidly evolving blockchain space.
• You will have the flexibility to work from anywhere, with support for home office setup.
• We foster a collaborative and inclusive remote culture, with regular virtual team events and opportunities for professional growth.
• Work on exciting, cutting-edge projects that are shaping the future of decentralized technology and enjoy a healthy work-life balance.