Senior Backend Engineer - Node.js | APIs & Microservices

Placements24; Vereeniging; On-site; ZAR 900,000 - 1,300,000; Full time

Benefits offered by this job

Medical aid

Dental & vision

Annual leave

Training & conferences

Modern Vereeniging offices

Job summary

Placements24, a fintech startup in Vereeniging, Gauteng, is seeking a Senior Backend Engineer with Node.js expertise to design, build and maintain scalable backend systems powering financial platforms.

You will develop RESTful APIs, manage databases (PostgreSQL/MySQL/MongoDB), and ensure security, performance and robust microservices architecture while collaborating with frontend, product managers and other stakeholders.

Qualifications

• Bachelor's degree in CS, Engineering or related field, or equivalent practical experience.
• Strong experience with Node.js and RESTful APIs is required.
• Experience with microservices and cloud deployment is essential.

Responsibilities

• Design, build, and maintain Node.js code that is efficient and reusable.
• Develop RESTful APIs for frontend apps and third-party services.
• Integrate with various data sources and databases, ensuring data integrity and performance.
• Implement security and data protection measures within the backend.
• Collaborate with frontend developers to integrate server-side logic.
• Write unit, integration, and end-to-end tests to ensure code quality.
• Optimize applications for speed, scalability, and robustness.
• Participate in code reviews and provide constructive feedback.
• Troubleshoot and resolve backend issues and bugs.
• Contribute to architectural discussions and technical decisions.
• Stay up-to-date with emerging backend technologies and best practices.

Skills

Node.js

REST APIs

JavaScript/TypeScript

Databases (PostgreSQL/MySQL/MongoDB)

Microservices

Cloud platforms (AWS/GCP/Azure)

CI/CD

Testing (Mocha/Jest)

Git

Problem-solving

Education

Bachelor's degree in CS/Engineering

Tools

RabbitMQ/Kafka

Job description

Placements24, a fintech startup in Vereeniging, Gauteng, is seeking a Senior Backend Engineer with Node.js expertise to design, build and maintain scalable backend systems powering financial platforms.

You will develop RESTful APIs, manage databases (PostgreSQL/MySQL/MongoDB), and ensure security, performance and robust microservices architecture while collaborating with frontend, product managers and other stakeholders.