• Led and mentored a diverse team of engineers across the US, Asia, and Europe, driving technical excellence and career growth. Created a professional and friendly culture and environment of collaboration and innovation• Improved application and system performance and reduced redundant work• Designed and built cloud-native end-to-end RCM solutions, including the insurance claims process, the patient billing process, the payment process, the collection process, etc.• Significantly improved employee productivity through regular performance reviews and constructive feedback.• Fostered a continuous learning and improvement culture through regular training sessions and knowledge-sharing initiatives.• Built multiple RCM-related dashboards to help executives’ decision-making and performance-tracking• Worked closely with business stakeholders, vendors, and executives for roadmaps and budgets• Responsible for enterprise practice management application design and development.• Built and led a team comprising software engineers, data engineers, test engineers, and product managers from scratch.• Spearheaded enterprise application design and digital transformation using Google Cloud Platform (GCP), Kubernetes, Gitlab, Cloud SQL, and BigQuery.• Designed and built a data-driven automation testing tool for enterprise application integration testing.• Modernized end-to-end revenue cycle management solutions for faster payment and debt collection.• Migrated monolith applications to microservices and transitioned from IBM legacy to modern cloud-based applications.• Successfully migrated systems from Windows to Linux, resulting in stable and improved performance.

Managing and leading enterprise practice management application development: microservices, cloud native, GCP, legacy to cloud migration and integration.

Designed and developed data service API to retrieve and expose large market data for clearing and risk business needs using Python, Postgres SQL, Rest, Okta, Splunk, Kubernetes, Jenkins, Python, APIGee, AWS, CI/CD, Microservices, big data, Kafka, GIT, Spark, ConfluenceWorked on relational/NoSQL data model and data platform design with cloud, big data, data screamingLed efforts of CI/CD platform automation pipeline design and implementation

Building capital market technology solutions and provided consulting services for global clients. Developed business and built-up team from scratch. Led business development, marketing, client relationship, HR, IT, accounting, etc.Successfully delivered numerous client projects by playing project manager, scrum master, and architect, technical manager, and development roles.Designed and developed cryptocurrency exchange and broker platform that includes trading engine, cold wallet, hot wallet, account management, P&L, trade administration, trade routing, market data subscription and consumption.Hands-on architect and software engineer using Java, Python, microservices, big data, AWS cloud, SQL, ETL, Blockchain, Kafka, distributed computing technologies.Example projects:Chicago Board Options Exchange. Built team with onshore and offshore engineers to work with CBOE on next generation of trading platform (trading engine, trade maintenance, trade reporting, automation testing, real time performance metrics, shared memory monitoring tools).Gogo Air. Completely rebuilt and redesigned billing and payment ETL application from requirements gathering, design, and development using digital and modern technologies (AWS, micro services, CI/CD, Java)

Worked on next generation of the low latency and high performance trading platform and Options trading risk control projects. Played technical lead and project manager roles. Coordinated with multiple offshore development teams. Remained hands-on for actual coding and automated testing work.Technologies: core Java, J2EE, Spring, AngularJS, in memory database, Oracle.

Played technical leadership and did design, implementation and full life cycle development on multiple projects, such as performance reporting, risk and compliance etc. Technologies: Java, J2EE, Spring, JQuery, HTML5, Oracle, Weblogic.

Full life cycle development on the core futures and options trading engine projects, trade allocation, spread trading, equity trading etc. Main technologies are core Java, low latency, high performance, Oracle, and distributed system.

Technical lead / Architect on financial/banking application full life cycle. Primarily worked on web application, web service, backend ETL, Oracle, and Sybase design and development.

Worked on multiple client projects as senior / technical lead. Some worked projects are: sears.com eCommerce, HP support web site, Quill Order System, United Healthcare membership and Claim system.