Senior Full-Stack Engineer: API & Backend Specialist

Placements24; Randburg; On-site; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Competitive salary

Medical benefits

Retirement benefits

Generous leave

Professional development

Office in Randburg

Team events

Job summary

Placements24 is seeking a highly experienced Senior Software Engineer with a strong full-stack background, focusing on API development. The role is based in Randburg, Gauteng, South Africa and is an in-office position that encourages collaboration and mentorship.

You will design, develop, and maintain robust APIs and backend services while contributing to frontend development for innovative platforms. The ideal candidate has 5+ years of software development experience, expertise in

Qualifications

• 5+ years of professional software development experience with emphasis on API design and backend engineering.
• Strong understanding of software architecture, database design, and API best practices.
• Experience collaborating with product managers, designers, and other engineers.

Responsibilities

• Design, develop, and maintain robust APIs (RESTful, GraphQL).
• Write clean, well-documented code for backend services and frontend applications.
• Develop and manage database schemas ensuring data integrity and performance.
• Collaborate with stakeholders to define API requirements and features.
• Integrate backend services with frontend apps and third-party systems.
• Implement and maintain robust testing strategies for APIs and applications.
• Optimize applications for speed, scalability, and security.
• Participate in code reviews and provide constructive feedback.
• Mentor junior engineers and contribute to architectural decisions.
• Troubleshoot and resolve complex technical issues.

Skills

API design

Backend engineering

Problem-solving

Team collaboration

Mentoring juniors

Education

Bachelor's degree in CS/SE or related

Equivalent professional experience

Tools

Python

Java

C#

Node.js

Go

Job description

Placements24 is seeking a highly experienced Senior Software Engineer with a strong full-stack background, focusing on API development. The role is based in Randburg, Gauteng, South Africa and is an in-office position that encourages collaboration and mentorship.

You will design, develop, and maintain robust APIs and backend services while contributing to frontend development for innovative platforms. The ideal candidate has 5+ years of software development experience, expertise in