Senior Software Developer (Backend)

Placements24; Randburg; On-site; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Salary + bonuses

Health insurance

Dev conferences

Paid time off

Career growth

Job summary

Placements24 in Randburg is seeking a highly proficient Senior Software Developer specializing in backend systems to design, develop, and maintain robust server-side logic powering its platforms.

You will collaborate with frontend, product managers, and QA engineers to deliver scalable APIs, optimize performance, and participate in architectural decisions in a collaborative, growth‑oriented environment.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field.
• 5+ years of professional backend development experience.
• Proficiency in Python, Java, C#, or Node.js.
• Experience with relational databases (PostgreSQL, MySQL) and/or NoSQL databases.

Responsibilities

• Design, develop, and maintain scalable backend services and APIs.
• Write clean, efficient, well-documented, and thoroughly tested code.
• Optimize application performance, database queries, and system architecture for speed and scalability.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Participate in code reviews, providing constructive feedback to peers.
• Troubleshoot, debug, and upgrade existing systems to ensure optimal functionality and performance.

Skills

Python

Java

C#

Node.js

Education

Bachelor's degree in Computer Science/Engineering

Tools

PostgreSQL

MySQL

NoSQL databases

REST APIs

AWS

Azure

Git

CI/CD

Job description

About the Role

Our client is looking for a highly proficient Senior Software Developer specializing in backend systems to join their growing team in Randburg. This role is critical for designing, developing, and maintaining the robust server-side logic that powers their innovative platforms. You will collaborate closely with front-end developers, product managers, and QA engineers to deliver high-quality, scalable, and reliable software solutions. The ideal candidate possesses strong problem-solving skills and a passion for building efficient, well-architected backend systems in a collaborative team environment. This is an excellent opportunity to contribute to key product features and technical decision-making.

Key Responsibilities

• Design, develop, and maintain scalable backend services and APIs using modern programming languages and frameworks.
• Write clean, efficient, well-documented, and thoroughly tested code.
• Optimize application performance, database queries, and system architecture for speed and scalability.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Participate in code reviews, providing constructive feedback to peers.
• Troubleshoot, debug, and upgrade existing systems to ensure optimal functionality and performance.

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 5+ years of professional backend development experience.
• Strong proficiency in at least one backend language such as Python, Java, C#, or Node.js.
• Experience with relational databases (e.g., PostgreSQL, MySQL) and/or NoSQL databases.
• Solid understanding of API design principles (RESTful), microservices architecture, and cloud platforms (AWS, Azure).
• Familiarity with version control systems (Git) and agile development methodologies.

Benefits

• Competitive salary and performance-based bonuses.
• Comprehensive health, dental, and vision insurance.
• Opportunities for professional development, including training and conferences.
• Generous paid time off and company holidays.
• A dynamic and collaborative work environment with opportunities for career growth.