Senior Full-Stack Developer (JavaScript/Node.js/React)

Placements24; Sandton; Hybrid; ZAR 900,000 - 1,300,000; Full time

Benefits offered by this job

Hybrid work model

Career growth opportunities

Cutting-edge technologies

Job summary

Placements24 is seeking a talented Senior Full-Stack Developer in Sandton, Gauteng, to design, develop, and deploy scalable web applications across front-end and back-end layers. This hybrid role balances in-office collaboration in Sandton with remote flexibility.

You will work with Node.js/Express.js on the back end and React.js on the front end, building RESTful APIs and ensuring performance, security, and quality while collaborating with cross-functional teams.

Qualifications

• Bachelor's degree in CS/Engineering or related field.
• Minimum 5 years of full-stack development experience.
• Strong expertise in JavaScript, Node.js and React.
• Experience with RESTful APIs and databases (PostgreSQL, MongoDB).

Responsibilities

• Design and maintain back-end services using Node.js and Express.js.
• Build responsive UIs with React.js and modern JavaScript.
• Develop RESTful APIs for frontend-backend integration.
• Collaborate with product managers, UI/UX designers, and engineers.
• Write clean, tested code and optimize performance.
• Participate in architectural discussions and technical decisions.

Skills

JavaScript

Node.js

React.js

HTML5

CSS3

RESTful APIs

Git

Problem-solving

Communication

Education

Bachelor's degree in Computer Science or Engineering

Tools

Express.js

PostgreSQL

MongoDB

Cloud platforms (AWS/Azure/GCP)

Job description

About the Role

Our client, a cutting-edge digital solutions provider located in the bustling business hub of Sandton, Gauteng , is seeking a talented and experienced Senior Full-Stack Developer proficient in JavaScript, Node.js, and React. This role is pivotal in designing, developing, and deploying high-quality web applications, contributing to both front-end and back-end development. You will work within an agile environment, collaborating with cross-functional teams to deliver innovative and user-centric digital products. The ideal candidate possesses a strong portfolio, excellent problem-solving skills, and a passion for building scalable and performant applications. This is a hybrid position, offering a balance of in-office collaboration in Sandton, Gauteng , and remote flexibility. Join a forward-thinking company that is at the forefront of digital transformation.

Key Responsibilities

• Design, develop, and maintain robust back-end services using Node.js and associated frameworks (e.g., Express.js).
• Build responsive, engaging, and intuitive user interfaces using React.js and modern JavaScript.
• Develop and manage RESTful APIs for seamless integration between front-end and back-end systems.
• Collaborate effectively with product managers, UI/UX designers, and other engineers.
• Write clean, efficient, well-documented, and testable code following best practices.
• Optimize applications for speed, scalability, and user experience.
• Conduct code reviews, providing constructive feedback and ensuring code quality.
• Troubleshoot, debug, and upgrade existing systems.
• Participate in architectural discussions and contribute to technical decision-making.
• Ensure the performance, quality, and responsiveness of applications.
• Stay abreast of emerging technologies and methodologies in full-stack development.

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Minimum of 5 years of professional experience in full-stack development.
• Strong proficiency in JavaScript (ES6+), HTML5, and CSS3.
• Extensive experience with Node.js for back-end development.
• Proven experience with React.js for front-end development.
• Solid understanding of database technologies (e.g., PostgreSQL, MongoDB) and ORMs.
• Experience designing and implementing RESTful APIs.
• Familiarity with cloud platforms such as AWS, Azure, or Google Cloud Platform is a plus.
• Proficiency with version control systems, particularly Git.
• Excellent problem-solving and debugging skills.
• Strong communication and interpersonal skills.
• Ability to work effectively in a hybrid environment.
• Previous experience working in the financial services or tech sector in Sandton, Gauteng is highly desirable.

Benefits

• A highly competitive salary and comprehensive benefits package.
• Opportunities for continuous learning and professional growth through training and development programs.
• A dynamic and innovative work culture that fosters collaboration and creativity.
• Hybrid work model offering flexibility and work-life balance.
• Access to cutting-edge technologies and challenging projects.
• Be part of a company that is shaping the future of digital solutions in Gauteng .
• Career advancement opportunities within a growing organization.