AES - Application Modernization - Core Skills

Zensar Technologies Limited is seeking a Sr. Developer to lead the modernization of legacy AS400 applications within a fast‑paced casino gaming environment. The role involves redesigning, refactoring, and integrating core gaming systems with modern technologies while ensuring high performance, security, and regulatory compliance. • Analyze existing applications and define modernization roadmaps. • Migrate legacy code to service‑oriented architectures and cloud platforms. • Integrate gaming APIs, and third‑party services. • Perform code reviews, unit testing, and performance tuning. • Collaborate with product owners, QA, and operations in Agile ceremonies. • Implement CI/CD pipelines and automated deployment processes. • Troubleshoot production issues and provide rapid root‑cause analysis. • Document technical designs, standards, and best practices. • Mentor junior developers and foster knowledge sharing within the team. • 5+ years of professional experience with development. • Strong proficiency in Javascript. • Hands‑on experience modernizing legacy systems to microservices or cloud architectures. • Familiarity with casino gaming domain concepts and regulatory requirements. • Experience with RESTful APIs, JSON, and integration patterns. • Knowledge of Agile/Scrum methodologies and DevOps practices. • Proficiency in CI/CD tools such as Jenkins, GitLab, or Azure DevOps. • Excellent problem‑solving and analytical skills. • Effective communication and teamwork abilities. • Bachelor’s degree in Computer Science, Engineering, or related field.