Arnab Roy

• Key Skills: .NET Core, Kubernetes, Redis, Docker, No SQL(MongoDB/CosmosDB), AWS, Kafka-based Messaging Queues, Azure, React, JavaScript, and DevOps.
• Engineered risk-intelligence systems delivering real-time alerts for high-severity incidents using scalable microservices and messaging queues.
• Led system design efforts, deploying cloud-native workloads on AWS and implementing CI/CD pipelines.
• Optimized performance through Redis caching and enhanced observability to reduce database load.
• Performed architecture and system design for large-scale platforms, developing solution diagrams and API contracts.
• Developed resilient infrastructure patterns aligned with business requirements to ensure reliability.
• Built event-critical systems leveraging Kubernetes, Docker, and Kafka-based messaging queues.
• Integrated AWS services like EC2, ECS/EKS, MSK, S3, RDS, Cassandra, and CloudWatch for resource efficiency.
• Performed business process automation using AWS Lambda, designing serverless workflows to reduce manual effort, improve efficiency, and streamline operational tasks.
• OnSolve product by Crisis24 is the market leader in cloud-based notification and collaboration solutions, enabling critical notifications and alerts for any event for enterprise, SMB, and government customers.
• Enhanced DevOps practices by utilizing Azure and React for streamlined operations.

• Collaborated with the Microsoft Business Unit for comprehensive Azure Cloud integration.
• Developed APIs within the product space to enhance functionality and user experience.
• Optimized business processes through automation utilizing Azure Functions and .NET Core microservices.

• Ensuring smooth coordination with the team and prioritizing the tasks relating to development, testing and delivery with the best quality.
• Tracking the solutions for the application's requirement to develop a scalable optimized application.
• Experience in project estimation techniques, architecture and design patterns and performance engineering.
• Determining gaps in existing process, participating in design reviews and extending support in the allocation of functionality to specific system components.
• Directing operations across requirement analysis, planning and implementation in line with process parameters.
• Evaluating different systems, conducting gap, feasibility and risk analysis and proposing various profitable options and new systems for the business to senior management.
• Reviewing the business processes/ stakeholder needs, extending recommendations for solutions/ improvements and translating business requirements into software using new technology or alternative uses of existing technology.

Established an interface between the Crux library and the application, enhancing user interaction.
Created an infrastructure service for retrieving ICD codes from the Referential Data Service endpoint.
Crafted necessary architecture modifications to support component designs.
Designed sequences and low-level requirements aligned with project specifications.
Took on additional OPPE responsibilities, fostering project success.
Developed unit test cases and comprehensive test plans, ensuring quality assurance.
Addressed back-end defects and met service level agreements.
Facilitated parallel testing with the QA team by identifying weekly testable units.

• Masters Final Project