Senior Backend Engineer - Blockchain Integration

Placements24; Mossel Bay; Hybrid; ZAR 900,000 - 1,300,000; Full time

Benefits offered by this job

Remote-first culture

Competitive salary

Performance bonuses

Health benefits

Professional development opportunities

Global team environment

Job summary

Placements24 is seeking a Senior Backend Engineer for a fully remote team pioneering decentralized solutions. You will design and implement server-side logic and APIs that connect backend systems with blockchain protocols, shaping the future of decentralized applications from home.

Requires a Bachelor's degree or equivalent, 5+ years of backend experience, strong REST/microservices, and proven blockchain integration with Web3.js or Ethers.js.

Qualifications

• Bachelor's degree or equivalent professional experience.
• Minimum of 5 years of backend development experience.
• Proven blockchain integration experience with Web3.js, Ethers.js, or similar.
• Expertise in Node.js, Python (Django/Flask), Go, or Java.
• Strong RESTful API design and microservices architecture.
• Experience with SQL and NoSQL databases and data modeling.
• Familiarity with smart contracts and blockchain ecosystem.
• Excellent problem-solving, debugging, and analytical skills.
• Strong written and verbal communication in a remote team.
• Ability to work autonomously and manage time effectively.

Responsibilities

• Design, develop, and maintain scalable backend services and APIs that interact with blockchain networks.
• Integrate blockchain protocols (e.g., Ethereum, Polygon) into existing backend systems.
• Develop and manage data pipelines for blockchain data with real-time updates.
• Implement security best practices for backend systems and API integrations.
• Optimize backend performance and database interactions for high-throughput dApp usage.
• Collaborate with frontend engineers, product managers, and blockchain developers.
• Write comprehensive unit and integration tests for code quality and reliability.
• Participate in code reviews, architecture discussions, and technical roadmaps.
• Troubleshoot and resolve complex technical issues related to backend and blockchain integrations.

Skills

Backend development

Blockchain integration

RESTful APIs

Microservices

Distributed systems

Remote collaboration

Problem solving

Communication skills

Education

Bachelor's degree in Computer Science or related field

Tools

Web3.js

Ethers.js

SQL/NoSQL databases

Job description

About the Role

Our client, a leader in pioneering decentralized solutions, is seeking an exceptionally talented Senior Backend Engineer to join their innovative, fully remote team. This role is ideal for an individual passionate about the intersection of traditional backend systems and the transformative power of blockchain technology . You will play a critical role in designing and implementing the server-side logic and APIs that connect our robust backend infrastructure with cutting-edge blockchain protocols. This is a unique opportunity to work on challenging problems from the comfort of your own home, contributing to projects that are redefining digital interactions and transactions. Join us and help build the future of decentralized applications, no matter where you are located. We are committed to a remote-first culture.

Key Responsibilities

• Design, develop, and maintain scalable and resilient backend services and APIs that interact with blockchain networks.
• Integrate various blockchain protocols (e.g., Ethereum, Polygon, custom ledgers) into our existing backend systems.
• Develop and manage data pipelines for blockchain data, ensuring accuracy and real-time updates.
• Implement security best practices for backend systems and API integrations, focusing on protecting sensitive data and preventing unauthorized access.
• Optimize backend performance and database interactions for high-throughput dApp usage.
• Collaborate with frontend engineers, product managers, and blockchain developers to define integration requirements and deliver seamless user experiences.
• Write comprehensive unit and integration tests to ensure code quality and system reliability.
• Participate in code reviews, architectural discussions, and contribute to the technical roadmap.
• Troubleshoot and resolve complex technical issues related to backend services and blockchain integrations.

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related technical discipline, or equivalent professional experience.
• Minimum of 5 years of professional backend development experience, with a strong track record of building complex, scalable systems.
• Proven experience integrating with blockchain networks using tools and libraries like Web3.js, Ethers.js, or similar.
• Expertise in at least one major backend programming language such as Node.js, Python (with frameworks like Django/Flask), Go, or Java.
• Strong understanding of RESTful API design principles and microservices architecture.
• Experience with database technologies (SQL and NoSQL) and data modeling.
• Familiarity with smart contract concepts and the overall blockchain ecosystem.
• Excellent problem-solving, debugging, and analytical skills.
• Strong communication skills and the ability to thrive in a collaborative, remote-first environment.
• Demonstrated ability to work autonomously and manage time effectively.

Benefits

• As a fully remote employee, you will receive a highly competitive salary, performance bonuses, and comprehensive health benefits, including medical, dental, and vision coverage.
• Our client invests in your professional growth by offering access to online courses, industry conferences, and opportunities for advancement.
• You will be part of a global, innovative team that fosters a culture of collaboration, learning, and mutual respect.
• Enjoy the flexibility and autonomy of working from home, with the support of a company that is truly committed to a remote-first operational model.
• This is an exceptional opportunity to shape the future of decentralized technology from anywhere, with headquarters that value distributed talent.