Designed and implemented microservices for core systems.

Implemented custom testing software and conducted stress testing for a new platform.

Integrated external systems with our solutions, enhancing functionality and efficiency.

Designed and developed the back-end system for a platform that enables field workers and apprentices to record their activities and ensure accurate data capture, processing, and calculation.

Worked closely with business analysts and stakeholders to design and implement the complex business logic for core calculations, ensuring accurate and reliable output for qualification progression, task completion, and other metrics.

Conceptualized and implemented a supervisor approval process, allowing for the review and sign-off of worker-submitted data, ensuring data validation and compliance.

Developed IoT marketplace for IoT enabled manufacturing machines.

Built a distributed system using microservices-based architecture and single sign-on (SSO).

Integrated external services such as CMS, subscription management platform, SendGrid.

Built system for geolocation data processing and updates.

Provided REST API that allowed users to find nearby users based on time and location in real time.

Set up a highly scalable and secure back-end system on AWS.

Built a middleware that integrated Exhale Spa and Hyatt systems.

Designed and implemented REST APIs for customer and administrator facing web applications.

Set up complex synchronization flows between the systems in an asynchronous multi-threaded manner.

Created and consumed RESTful and SOAP web services.

Integrated system with different freight shipping carriers for rating, estimates, and shipping.

Participated in the development of a real-time location monitoring system for the trucks having ELDs and GPS devices. Processed and fed data from trucks' sensors into Kafka.

Led the development of SaaS platform with a team of 5 engineers.

Delivered applications across the entire life cycle, from architecture design to implementation, testing and deployment. Developed highly scalable system around event technology solutions using dockerized microservices.

Implemented back-end system for group riding, navigation and online communication/chat application using AWS infrastructure. Designed, documented and implemented RESTful APIs. Integrated heterogeneous systems via SOAP and REST web services. Created middleware with unified interface for mobile applications to manage PayPal, Apple Pay and Google Pay subscriptions. Set up continues delivery and deployment pipeline using Jenkins. Pipeline as Code orchestrated automated testing, building, delivery and deployment in multiple environments. Built the system for online and email reporting.

Designed architecture and implemented software for highly scalable electronic payments and billing system.

Integrated merchants in payments and billing system.

Developed software for international money transfer system. It was integrated with separate and different systems in several countries.

Built 'clearing' software for money transfer system.

Developed software for support and call-center.

Created E-wallet architecture.

Created software for bank clients monitoring and management used by legal department.

Developed software for electronic payments monitoring.

Built software for electronic payments automation.

Developed software for electronic payments processing.

Built software for payments system management.

Integrated new payment channels in existing electronic payments system.