• Led React-based Material UI main and messaging apps development, and integrated Auth0 and Redux for authentication and state management, leading to acquisition of 6 new customers.

• Created 18 AWS Lambda functions and microservices in Java Spring Boot and Python Flask with Kafka connecting other services like S3, RDS, API Gateways, Redis, and IAM for serverless backend.

• Collaborated with founding team, enhanced the main app's capabilities with addition of 5 new features of Events and Sponsorships, contributing to 15% improvement in revolutionary offline experience.

• Implemented Gmail APIs with OAuth 2.0 for personalized email campaigns, achieving a 34% advancement in sales team and customer communication, while also monitoring email engagement metrics and analytics.

• Migrated the backend of the app to GCP Cloud Functions, Cloud SQL (MySQL/ PostgreSQL), and deployed the React app on Cloud Run with Nginx as proxy server, culminating in 42% decrease in infrastructure costs.

• Managed cloud hosted IRMS software (WMS) for 45 US clients, gathered and built requirements through excellent communication and collaboration, leading to a 46% increase in customer satisfaction.

• Created MS SQL Server and Progress queries resulting in a 25% increase in weekly case resolution.

• Resolved 420 technical issues by investigating and analyzing product logs, fixing Spring Boot REST APIs, code reviews and monitoring AWS cloud services (EC2, S3, Lambda, RDS) integrated with Nagios alerts.

• Executed 8 major upgrade deployments to Test and Production environments (Linux/ Windows) achieving a 34% enhancement in system stability and a 15% reduction in post-deployment issues.

• Mentored 3 junior developers in Software development, Product management, and Client interaction.

• Developed a finance React – Spring Boot app pioneering microservices architecture (8 services) with an Agile approach, significantly improving the UI and reducing finance tracking time by 50%.

• Leveraged the power of Feign Client for streamlined communication between microservices, resulting in a 25% decrease in data exchange latency and a 15% improvement in overall system responsiveness.

• Implemented CI/CD pipeline for unit test automation in Jenkins with Java Selenium, Mockito and performance testing with JMeter, resulting in a 31% reduction in release time.

• Optimized software development and deployment by 28% through effective use of Docker containers,

promoting efficient collaboration and boosting team productivity by 40%.

• Finalized and deployed GoAhead embedded web server to relay software, selecting among 4 different servers in plan, cooperating with 8-member cross-functioning Scrum team.

• Improved software reliability by 40% via extensive testing and debugging of Java code, fixing over 52 bugs.

• Actively participated in sprint plans, daily stand-ups, and retrospectives, achieving 95% on-time delivery rate.