Senior Software Engineer - Full Stack (API Focus)

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

About the Role

Our client is seeking a highly experienced Senior Software Engineer with a strong full-stack background and a particular emphasis on API development. This position is based in the bustling economic hub of Randburg, Gauteng, and is an in-office role, fostering strong team collaboration and mentorship. You will play a vital role in designing, developing, and maintaining robust backend services and APIs, as well as contributing to the frontend development of our client's innovative platforms. The ideal candidate possesses a deep understanding of software architecture, database design, and API best practices. You will work closely with product managers, designers, and other engineers to deliver high-quality, scalable, and secure software solutions. We are looking for an individual who is passionate about creating efficient and well-documented APIs and enjoys tackling complex technical challenges. This is an excellent opportunity to advance your career within a dynamic company that is committed to technological excellence and employee growth. You will be instrumental in shaping the core of our client's technological offerings.

Key Responsibilities

• Design, develop, and maintain robust and scalable APIs (RESTful, GraphQL).
• Write clean, efficient, and well-documented code for both backend services and frontend applications.
• Develop and manage database schemas, ensuring data integrity and performance.
• Collaborate with product managers and stakeholders to define API requirements and features.
• Integrate backend services with frontend applications 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, providing constructive feedback to peers.
• Mentor junior engineers and contribute to architectural decisions.
• Troubleshoot and resolve complex technical issues.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent professional experience.
• 5+ years of professional experience in software development, with a significant focus on API design and backend engineering.
• Proficiency in one or more backend languages such as Python, Java, C#, Node.js, or Go.
• Strong experience with API design principles and frameworks.
• Expertise in relational databases (e.g., SQL Server, PostgreSQL) and/or NoSQL databases (e.g., MongoDB).
• Experience with frontend technologies and frameworks (e.g., React, Angular, Vue.js, JavaScript, HTML, CSS).
• Familiarity with cloud platforms (AWS, Azure, GCP).
• Understanding of microservices architecture and principles.
• Proficiency with version control systems (Git).
• Excellent problem-solving, debugging, and analytical skills.
• Strong communication and teamwork skills, suited for an office environment in Randburg, Gauteng.

Benefits

• Competitive salary and annual bonus opportunities.
• Comprehensive medical and retirement benefits.
• Generous annual leave and paid sick days.
• Opportunities for professional development and training.
• A collaborative and innovative office environment in Randburg.
• Exposure to challenging and impactful projects.
• Regular team lunches and company events.
• Career advancement pathways.