Jun 2020 – Sep 2021 · 1 yr 3 mos · Mumbai, Maharashtra, India

Sep 2017 – Jun 2020 · 2 yrs 9 mos · Mumbai Area, India

• Developed secured applications for payment systems that integrate with existing telecom billing platforms for merchants like Apple, Microsoft, Spotify and Netflix.
• Created in-house tool to validate SSL certificate chain based on various rules. Also, gave training to company- wide teams about 2-Way SSL.
• Worked with global teams and partners in order to get a better understanding between both systems

Nov 2014 – Sep 2017 · 2 yrs 10 mos · Mumbai Area, India

• Designed and developed communication-engine micro-service which is responsible for orchestration of marketing campaign execution that daily sends 200M+ communications across multiple channels like sms, email, mobile push notification and web push notification.
• Built frequency-capping micro-service from scratch which is responsible for controlling and throttling number of communications sent to end-user in each time window.
• Setting up of Auto Scaling Groups, Automated Code Deployment and Load Balancers for various services deployed in AWS EC2 within a VPC.
• Evaluated performance and benchmarking of services, their memory footprints and memory leaks if any, using various profiling tools like jVisualVM, Eclipse MAT, jMeter, Apache Bench.
• Launched stateless micro-services with distributed approach, to enable horizontal scaling as per demand for cost optimization.
• Programming various Kafka consumers and producers for cross-service communication in a scalable manner.

Dec 2013 – Nov 2014 · 11 mos · Mumbai Area, India

• Developed various Multi-Threaded Data Loading tools using in-house ETL Framework, which reads data from multiple sources, processes that data along with some quality checks and pushes data into multiple targets as per the configuration.
• Handled Data Management Application Support for Index computation across Equities, Mutual Funds, Commodities and Futures.

Aug 2010 – Dec 2013 · 3 yrs 4 mos · Pune Area, India

• Responsible for end to end delivery of new features in Replenishment Module (RPL) that supports all the recharge activity for prepaid customer in telecom.
• Visited Onsite for XL Axiata Account (Jakarta, Indonesia) and Globe Telecom Account (Manila, Philippines) for Business Requirement Gathering and Analysis and for Production Support for Turbo Charging v8.x Upgrade.
• Led RPL Team and Migrated 60 million XL Axiata subscribers from Amdocs Billing Product v7 to Turbo Charging v8.1 during Production upgrade.
• Developed Performance oriented SQL Scripts for Data Validation, Reconciliation and Reporting purpose on Production Database.
• Created Audio Visual Demo for effective training in RPL, hence reducing training time.
• Effectively managed parallel activities like Design and Coding for Change Requests, Performance Testing, System Testing and User Acceptance Testing Support.
• Development of Shell Scripts for Monitoring Daemons and Processes on Production Servers.
• Effective Co-ordination with Focals of Different teams for Cross Application Functionality and Issues.