Sagar Dere

About Sagar Dere

Experienced Web Developer with 7+ years of expertise in backend and API development using Node.js, Express.js, JavaScript (ES6), ElasticSearch, Redis, and microservices architecture. Proficient in cloud platforms including Pivotal Cloud Foundry (PCF), OpenShift, and AWS. Skilled in DevOps and CI/CD tools such as Jenkins, SonarQube, Nexus, and Black Duck, as well as monitoring and analytics with Kibana, Splunk, AppDynamics, and Instana.Hands-on experience with API design and documentation (Swagger), automated testing (Playwright, Jest), and API testing (Postman). Adept at using Git, GitHub, GitLab, Bitbucket, and project management tools like Jira and Trello. Leveraged GitHub Copilot for AI-assisted coding and efficient test case writing. Successfully delivered migration projects, blue-green deployments, and collaborated with cross-functional teams using Agile methodologies.Passionate about delivering clean, modular, and maintainable code, with a strong focus on quality, security, and performance.

Experience

1. Sr Software Engineer B2

   Cognizant

   Aug 2024 — Present · IN

   US Bank ProjectCo-browse Functionality: Played a pivotal role in the development and implementation of the co-browsing feature, allowing bank representatives to assist customers in real-time securely. This enhanced user experience and improved customer service efficiency.Backend Migration: Led the migration of backend applications from Java Spring Boot to Node.js, resulting in improved application performance, scalability, and easier integration with modern microservices architectures.Testing and Code Quality: Conducted unit and integration testing, ensuring robust application functionality. Implemented ESLint for code quality assurance, maintaining high coding standards across the project.Deployment and CI/CD: Managed deployment processes and configured Jenkins pipelines for continuous integration and continuous delivery, streamlining the release cycle and reducing downtime.Production Support: Provided production support by addressing incidents and resolving issues promptly, minimizing service disruptions and ensuring smooth operations.Third-Party API Integration: Collaborated with third-party vendors to implement backend APIs, ensuring seamless integration and functionality with external systems.AppDynamics Implementation: Integrated AppDynamics for monitoring and tracking backend application endpoints, enabling proactive performance management and issue detection.

Education

• Sangamner Nagarpalika Arts, D.J.Malpani Commerce and B.N.Sarda Science College, Sangamner, Dist.Ahmednagar

  Bachelor of Science - BSc, science

  2012 — 2015

• Savitribai Phule Pune University

  Master of Computer Applications (MCA), Computer Science

  2015 — 2018