• Introduced OAuth authorization framework using Microsoft OWIN.• Implemented multi-threading and caching mechanisms, resulting in a significant 30% overall performance improvement in the SaaS application.• Engineered API integration for various Salesforce modules, managing smooth flow for the Salesforce authorization through Connected Apps and OAuth 2.0.• Designed, developed, and implemented a robust microservice using Ruby on Rails to automate scheduled mailings, significantly enhancing the efficiency of communication processes.• Contributed to resolving bug issues and delivered adept support for key DevOps tasks, including Bitbucket pipelines and SonarQube integration.• Developed and integrated a unit testing framework using xUnit into an existing application.

ShipTracks: Goes beyond AIS tracking, offering competitive analysis, maritime intelligence, and ESG solutions to the marine industry.• Successfully managed and mentored a team of 4 members, guiding them in best practices and ensuring high-quality deliverables.• Customized the existing architecture to reduce data drop and data querying latency by 25% using the “queueing and multithreading” model.• Utilized WebGL and vector tiles for OpenLayers map, achieving 50% faster rendering times to load around 1M markers.• Actively engaged in day-to-day bug fixing and feature implementation maintaining clean code standards.

AVIMA: an AV monitoring, maintaining, and reporting System for AV equipment with administrative functions.• Successfully translated business requirements into functional designs and then designed RESTful APIs.• Implemented a pub-sub model with RabbitMQ to establish live communication between AV equipment and the server.• Introduced CI/CD with Bitbucket pipelines, to AWS EC2 using Code deploy, saving costs by eliminating the need for an extra artifacts server and reducing dev time.RenewIT360: A SaaS application for contract tracking and revenue calculation.• Integrated QuickBooks API to automate renewal and maintaining OpenID authorisation.• Implemented a preference-based smart suggestion tool to reduce users’ costs• Formulated methods and designed a database for complex revenue calculations.

CTAAS: A patient tracking and hospital management app for chronic diseases or diseases like covid-19 that require long-term monitoring.• Designed and implemented the completed custom authorization module having dynamic permission control for the multitenant-based organization.• Reduced database load by 15% by implementing caching and lazy loading.• Worked on task schedular and real-time notification module using SignalR.

HRMS: Employee management system to track working hours, leaves, and evaluations.• Converted conventional applications to workflow-driven applications using the ELSA library along with custom activities to implement long-term workflows.• Implemented a mailer with a tracking and rescheduling mechanism for failed emails using Hangfire.Umbertine: An Industrial survey sheet app to store records and generate reports.• Designed and implemented the complete database schema from business logic.• Sketched and developed documented and reusable API for CURD operations.• Added custom data validation, user authentication, and role-based authorization using the Django REST framework.

Community Tracking: A vehicle tracking system with antitheft protection.• Enhanced performance using MQTT broker, reducing server load and improving real-time data transfer for scalability.DesignCalcs: is software to design pressure vessels and manage welding procedures.• Maintained and implemented new features following Agile Development.• Minimized unit and integration testing time by introducing distributed testing.• Automated regression test runs for new changes on the developer branch using TeamCity to lessen repetitive tasks.