May 2022 – Sep 2022 · 4 mos · United Arab Emirates

• Architected API requests’ router to target a single domain (rain.com) rather than local jurisdiction/country based. It enabled Rain’s global outreach, unified various web flows and error handling.
• Part of the Tech Leadership team. Working on Product Development process enhancement (Idea and Build stages) to achieve cross-domain clarity.
• Establishing a non-blocking and consistent architecture enhancement efforts. Effectively organized and updated internal knowledge-base and documentation.
• Supporting large refactorings from the Monolith to independent Modular design that utilize the event-driven architecture using Apache Kafka.

Apr 2019 – May 2022 · 3 yrs 1 mo

• Coached and promoted backend Engineering Manager. Mentored several other cross-functional team members with leadership principles. Lead and grew a productive department of 30+ headcount.
• Designed customer-tier based packages to target premium and lite price points. Merged million+ production customer accounts and delivered a smooth rollout.
• Designed and implemented the core of the content metadata ingestion. Optimized ingestion time from hours to minutes. It boosted cross-departmental cohesion and support with the content programming team.
• Optimized video playback join-time between channel switching from 500+ ms to <250 ms in collaboration with the broadcast engineering and network teams.
• Designed and implemented the core of multi-stream concurrency control utilizing distributed (stamped) lock with Redis (Lua script). Simplified lock/unlock and optimized the swap from 24+ ms (external solution) to <5 ms.
• Bulk account provisioning scripts (500k+ batches) to achieve sales team’s KPIs with regional telco operators.
• Setup internal production incident response SLA and supported monitoring setup with Datadog. Rolled out various production fixes to keep customers happy.
• Optimized network egress cost and saved (~100k+ USD) on a frequently hit media playback bookmarking service utilizing AWS MemoryDB (Redis with persistence).
• Enhanced large-volume ETL efforts and helped migrate to Matillion. It improved the Data Engineering correctness and enabled the Data Analytics team to add new sources easily.

Apr 2018 – May 2019 · 1 yr 1 mo

• Enhanced a prototyped backend to a scalable and production-quality service.
• Rolled out tracing & performance monitoring. Identified and fixed various network bottlenecks, database queries & relations and server memory usage.
• Enhanced team Communication & Collaboration in and out with the Product and Content teams and improved employee happiness index (reflected by internal surveys) and team headcount retention.
• Implemented unit-testing extensions (atop Junit 5) using Docker containerized Mysql db with memfs to enable fast and real db unit tests. It saved a quarter story points per developer every sprint and speeded up test/develop cycles.

Jan 2016 – Mar 2018 · 2 yrs 2 mos

• Improved engineering & quality processes by introducing unit tests and automated integration tests, CI integrations and monitoring.
• Designed and implemented payment solution with SMS Payments and VAS services. Prototyped and launched successfully within 2 months. Post launch, added new payment channels (DCB payments, Visa/Master Credit Card via Payfort, Apple & Google in-app purchase). It single-handedly enabled direct revenue generation.
• Migrated iOS app’s codebase from Objective-C to Swift and optimized app initialization time from ~11 secs to <2.5 secs utilizing aggressive caching with realm db. It improved the overall responsiveness & customer experience.

Mar 2015 – Apr 2016 · 1 yr 1 mo

• Improved Single-Sign-on Authentication using social integration. Brought down the total sign-up funnel from minutes to seconds and boosted new subscriptions.
• Implemented Marketing Lead generation (via secure URL redirection workflows) which enabled new marketing and ad campaigns.

Jan 2013 – Jan 2014 · 1 yr

• -- Refactored a sizable codebase with Spring framework. Made it unit-testable.

Jan 2011 – Jan 2012 · 1 yr · Dubai, Dubai, United Arab Emirates

• -- Implemented the core of highly sophisticated and dynamic Immigration rules.

Jan 2009 – Jan 2010 · 1 yr

• -- Implemented inventory control system with dynamic view queries and iBatis.

Jan 2008 – Jan 2009 · 1 yr

• -- Implemented Art & Thesaurus search using Apache Lucene.

Jan 2007 – Jan 2008 · 1 yr

• -- Provided ad-hoc queries for data analysis by various content collection teams.