Senior Backend Engineer (Blockchain Focus)

Placements24; South Africa; Remote; ZAR 900,000 - 1,300,000; Full time

Benefits offered by this job

Stock options

Health insurance

Fully remote

Paid time off

Professional development

Job summary

Placements24 is seeking a Senior Backend Engineer focused on blockchain to join a fully remote team. You will design, develop, and maintain scalable backend systems that connect to blockchain networks and decentralized apps.

Architect robust APIs, optimize databases, and ensure security and reliability of crypto products from anywhere in the world. The role requires 5+ years in backend development, with at least 2 years in blockchain, and expertise in Go, Python, Node.js, or Java.

Qualifications

• Bachelor's degree or equivalent in CS, Eng or related field.
• 5+ years in backend software development, with at least 2 years in blockchain.
• Strong experience designing RESTful APIs and microservices.

Responsibilities

• Design, develop, and deploy scalable backend services and APIs for blockchain applications.
• Integrate backend with blockchain protocols and smart contracts using SDKs/libraries.
• Optimize performance, queries, and architecture for high throughput and low latency.
• Write clean, well-documented code following best practices in software and blockchain development.
• Collaborate with frontend, product, and stakeholders to deliver features.
• Troubleshoot and resolve complex production issues in crypto offerings.

Skills

Backend development

Blockchain integration

RESTful APIs

Cloud & containers

Education

Bachelor's degree

Tools

Go

Python

Node.js

Java

Job description

About the Role

Our client is seeking a highly skilled Senior Backend Engineer with a strong focus on blockchain technologies to join their fully remote team. In this pivotal role, you will design, develop, and maintain scalable backend systems that integrate with blockchain networks and support decentralized applications. You will architect robust APIs, optimize database performance, and ensure the security and reliability of our cutting-edge crypto products. This is an exceptional opportunity for an experienced engineer who thrives on complex challenges and wants to contribute significantly to the future of decentralized technology from anywhere in the world.

Key Responsibilities

• Design, develop, and deploy scalable backend services and APIs for blockchain applications.
• Integrate backend systems with various blockchain protocols and smart contracts using relevant SDKs and libraries.
• Optimize application performance, database queries, and system architecture for high throughput and low latency.
• Write clean, maintainable, and well‑documented code, adhering to best practices in software engineering and blockchain development.
• Collaborate with front‑end developers, product managers, and other stakeholders to deliver high‑quality features.
• Troubleshoot and resolve complex technical issues in production environments for our crypto offerings.

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience.
• 5+ years of professional experience in backend software development, with at least 2 years involving blockchain integration or development.
• Strong proficiency in backend languages such as Go, Python, Node.js, or Java.
• Experience designing and building RESTful APIs and microservices.
• Solid understanding of blockchain concepts, consensus mechanisms, and distributed systems.
• Experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes) is preferred.

Benefits

• Highly competitive salary and potential for stock options or token grants.
• Comprehensive health, dental, and vision insurance.
• Fully remote work flexibility, allowing you to work from any location.
• Generous paid time off and opportunities for professional development.
• Be part of a pioneering team shaping the future of the crypto and blockchain industry.