Senior Full Stack Developer (React & Node.js)

Placements24; Johannesburg; Hybrid; ZAR 700,000 - 1,300,000; Full time

Benefits offered by this job

Health insurance

Retirement plan

Professional development

Paid time off

Modern office

Hybrid work

Bonuses

Job summary

Placements24 in Johannesburg seeks a Senior Full Stack Developer to drive design, development, and deployment of scalable web applications using React and Node.js. You will mentor juniors, contribute to architecture, and ensure robust, high-performance software across the stack.

The role blends remote flexibility with in-office collaboration in Gauteng, offering a path to impact the product roadmap and grow with a dynamic tech firm.

Qualifications

• Bachelor's degree or equivalent practical experience.
• 5+ years of professional experience in full-stack web development.
• Proven expertise in JavaScript, React.js, and modern front-end build pipelines and tools.
• Strong proficiency in Node.js and Express.js.
• Experience with relational databases (PostgreSQL, MySQL) and/or NoSQL databases (MongoDB).
• Familiarity with RESTful APIs and GraphQL.
• Understanding of cloud platforms like AWS, Azure, or Google Cloud is a plus.
• Experience with Docker is advantageous.
• Excellent problem-solving skills and attention to detail.
• Strong communication and teamwork abilities.
• Experience working in an Agile/Scrum development environment.

Responsibilities

• Design, develop, and maintain scalable web applications using React for the front-end and Node.js for the back-end.
• Collaborate with product managers, designers, and other engineers to define and implement new features.
• Write high-quality, well-documented, and testable code.
• Troubleshoot, debug, and upgrade existing systems.
• Participate in code reviews to ensure code quality and share knowledge with the team.
• Mentor and guide junior developers, fostering a culture of technical excellence.
• Contribute to architectural decisions and technology choices.
• Optimize applications for maximum speed and scalability.
• Ensure the technical feasibility of UI/UX designs.

Skills

JavaScript

React.js

Node.js

Express.js

PostgreSQL

MySQL

MongoDB

REST APIs

GraphQL

AWS

Azure

Google Cloud

Docker

Agile/Scrum

Education

Bachelor's degree or equivalent

Job description

About the Role

Our client, a dynamic and innovative tech firm based in Johannesburg , is seeking a highly skilled and experienced Senior Full Stack Developer to join their growing team. This is a pivotal role where you will contribute to the design, development, and deployment of cutting-edge web applications. You will work within a collaborative environment, leveraging your expertise in both front-end and back-end technologies to deliver robust and scalable solutions. The ideal candidate will possess a strong understanding of software development best practices, a passion for clean code, and the ability to mentor junior developers. This role offers a fantastic opportunity to make a significant impact on our client's product roadmap and to grow your career in a fast-paced industry. We are committed to fostering a culture of continuous learning and innovation. This position is based in Johannesburg , Gauteng, and will involve a hybrid work arrangement, blending remote flexibility with in-office collaboration.

Key Responsibilities

• Design, develop, and maintain scalable and efficient web applications using React for the front-end and Node.js for the back-end.
• Collaborate with product managers, designers, and other engineers to define and implement new features.
• Write high-quality, well-documented, and testable code.
• Troubleshoot, debug, and upgrade existing systems.
• Participate in code reviews to ensure code quality and share knowledge with the team.
• Mentor and guide junior developers, fostering a culture of technical excellence.
• Contribute to architectural decisions and technology choices.
• Optimize applications for maximum speed and scalability.
• Ensure the technical feasibility of UI/UX designs.

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 5+ years of professional experience in full-stack web development.
• Proven expertise in JavaScript , React.js , and modern front-end build pipelines and tools.
• Strong proficiency in Node.js and associated frameworks (e.g., Express.js).
• Experience with relational databases (e.g., PostgreSQL, MySQL) and/or NoSQL databases (e.g., MongoDB).
• Familiarity with RESTful APIs and GraphQL.
• Understanding of cloud platforms like AWS, Azure, or Google Cloud is a plus.
• Experience with containerization technologies such as Docker is advantageous.
• Excellent problem-solving skills and attention to detail.
• Strong communication and teamwork abilities.
• Experience working in an Agile/Scrum development environment.

Benefits

• Competitive annual salary package commensurate with experience.
• Comprehensive health insurance and retirement savings plan.
• Opportunities for professional development and further training.
• Generous paid time off and public holiday leave.
• Access to modern office facilities in Johannesburg with amenities.
• A collaborative and supportive work environment.
• Exposure to challenging and innovative projects.
• Hybrid work model providing work-life balance.
• Performance-based bonuses.