Full Stack Developer

This is a remote position. At KIS, we are always looking for talented individuals to join our team for future opportunities. If you are a Full Stack and interested in working on innovative projects with one of our global clients, sign up for our Talent Pool! Job Activities • Develop, maintain, and enhance full stack applications, delivering complete features from technical design to deployment. • Build and evolve backend systems using Java (Spring Boot) or Python • Develop and maintain modern frontend applications using React or similar frontend frameworks. • Troubleshoot bugs, investigate issues, and deliver fixes efficiently and reliably. • Fully understand business and technical requirements, proactively questioning what is unclear. • Translate business requirements into technical solutions and implementation plans. • Design and implement REST or GraphQL APIs, integrating multiple data sources. • Ensure high-quality deliveries by proactively testing, validating, and refactoring code. • Participate in the full software development lifecycle, including design, development, testing, deployment, and maintenance. • Monitor application performance and contribute to production support and continuous improvement. • Collaborate closely with team members, contributing to task planning, estimation, and prioritization. • Communicate effectively with clients, actively participating in meetings and technical discussions. • Identify risks, competing priorities, or delivery issues early and escalate appropriately. • Contribute to improving development processes, architecture, and team practices. • Support and mentor other team members when needed, helping ensure overall team delivery. Requirements • Experience as a Full Stack Developer, delivering features across frontend, backend, and database layers. • Strong experience in Java (Spring Boot); Python or other backend stacks. • Strong experience with React or similar frontend frameworks. • Experience with LLM integrations. • Solid understanding of SQL and relational databases for data manipulation and analysis. • Knowledge of software design principles, including SOLID and clean architecture concepts. • Experience designing and integrating REST and/or GraphQL APIs. • Strong problem-solving skills, including cross-layer debugging and root cause analysis. • Experience implementing secure authentication and authorization and mitigating common vulnerabilities (XSS, SQL Injection, CSRF). • Strong sense of ownership, responsibility, and accountability for delivery quality and timelines. • Good organization and time management skills, with the ability to estimate work and meet deadlines. • Good English communication skills to collaborate with international clients. • Team-oriented mindset, open to feedback and continuous learning. • Must be based in Latin America. Originally posted on Himalayas