Aleksandr Lisenko

Commerce/Growth – Customer Service Tooling (June 2024 – Present)

• Led development of an NLU-powered chatbot for Hulu and Disney, improving intent classification accuracy by 30% and scaling to 30+ countries in 3 languages (Portuguese, Spanish, English).
• Implemented automation for subscription management (pause, cancel, refunds), enabling millions of users to resolve issues via self-service and reducing support load by 30%.
• Developed a generic developer tool, accelerating the development process and reducing time-to-delivery by 40% across multiple teams.

Commerce/Growth – Offer Data Team (June 2023 – June 2024)

• Designed and developed a Scala-based data pipeline that unified legacy offer, pricing, and discount models, supporting the ESPN platform migration and the launch of the Warner Bros. Max bundle.
• Ensured 100% business continuity during the transition of internal UI tools, supporting critical projects and delivering on-time.

Commerce/Growth – Offer Services Team (July 2022 – June 2023)

• Led redesign of price calculation service (Java/gRPC), enabling low-latency pricing calculations across 5 AWS regions, supporting high RPS (requests per second) and reducing response time by 50%.

• Owned and led development of 3+ microservices (Scala/Java) in the Offer Management team, contributing to critical business projects that supported growth.
• Introduced functional libraries (ZIO for Scala, Vavr for Java), improving code quality and reducing defects by 25%.
• Led design and implementation of complex components, focusing on correctness and reducing project delivery time by 20% while maintaining high system stability.

• Developed a distributed platform based on the Axoni blockchain using Scala and Kafka Streams to support OCC, Axoni’s largest client, enabling real-time data replication and financial logic execution on the blockchain smart contract layer.
• Mentored 5+ engineers on functional programming and Scala best practices, while also helping Java and Go developers transition to Scala and FP, improving team efficiency and accelerating project timelines.

Developed a high-performance internal scheduling system for game presenters, handling 50k+ events hourly, using Scala, Akka, CQRS/ES architecture, Protobuf, and Cassandra, enabling real-time data projections and improving scheduling efficiency by 30% with a Scala.js/React frontend.

Led the full rewrite of the iOS and tvOS video streaming app for British Channel 4, owning the design architecture and leading a team of 6 developers to deliver a seamless, high-quality experience across platforms.

• Developed mobile applications using Objective-C and Swift, collaborating closely with product managers on multiple R&D projects and experiments to optimize app performance and user experience.

• Led a development team to create complex iOS apps for Dubai events, utilizing OCR, smart questionnaires, complex UIs, and beacons.

• Developed software for AVR/Pic microcontrollers using C, focusing on timers, volt/amper meters, and DAC implementation.