Senior Full-Stack Developer

Summary

Join ISTA Personnel Solutions SA, a fast-growing BPO company, as a Full-Stack Developer. This remote role, for South African citizens only, requires working EST hours (9 am to 6 pm). You will design, develop, and maintain custom software applications, focusing on both front-end and back-end development, including API integrations. Experience with data analytics is a plus. A fixed fibre line with a minimum speed of 25 Mbps and a reliable power backup solution are mandatory. The position demands strong proficiency in JavaScript and Python, along with experience in building and consuming RESTful APIs.

Requirements

• 5+ years of demonstrable professional experience as a Software Developer or in a similar role, with a strong portfolio of completed projects
• Strong proficiency in JavaScript, including modern frameworks/libraries (e.g., React, Angular, Vue.js)
• Strong proficiency in Python, with experience in popular frameworks (e.g., Django, Flask)
• Demonstrable experience in building and consuming RESTful APIs and other web services
• Solid understanding of front-end technologies and development processes, including HTML5, CSS3, and responsive design principles
• Experience with version control systems (e.g., Git)
• Ability to work independently and as part of a team in a fast-paced environment
• Excellent problem-solving and analytical skills
• Strong communication and interpersonal skills

Responsibilities

• Design, develop, test, and deploy high-quality custom software solutions using JavaScript, Python, and related technologies
• Build and maintain scalable and secure API connections with various internal and external services
• Develop intuitive and responsive user interfaces (UI) that enhance user experience
• Collaborate with cross-functional teams, including product managers, designers, and other developers, to define, design, and ship new features
• Write clean, well-documented, and efficient code
• Perform code reviews to ensure code quality and adherence to best practices
• Troubleshoot, debug, and upgrade existing software
• Participate in the entire application lifecycle, focusing on coding and debugging
• Stay up to date with emerging technologies and industry trends
• Analyze complex datasets, develop data models, and implement data visualization tools to support business insights

Preferred Qualifications

• Experience with data analysis, manipulation, and visualization tools/libraries such as Pandas, NumPy, Matplotlib, Seaborn , or D3.js
• Familiarity with cloud platforms such as AWS , Azure , or Google Cloud Platform
• Solid understanding of database systems , including SQL and NoSQL technologies
• Experience working with CI/CD pipelines for streamlined deployment and development workflows