AES - Application Modernization - Core Skills - AS400

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.