Stephen Diteljan Email & Phone Number

San Francisco, Ca, Us

San Francisco, California, United States

Led automation initiative to generate data lineage for Spark jobs across standalone AWS EMR clusters and Databricks, leveraging Spline and implementing Scala and Python libraries. Achieved a tenfold increase in data lineage coverage within Spark jobs, while eliminating manual effort and reducing errors.Managed and mentored diverse range of engineering talent from new grads to technical leads. Conducted performance reviews, technical and behavioral interviews to continuously grow and strengthen the talent pipeline.

San Francisco Bay Area

Led team of 8 software, data, and machine learning engineers to develop and implement synthetic data generation strategies, utilizing GANs and Python to create data samples, train ML models, and conduct testing. Successfully transitioned a side-of-desk synthetic data project into production, enabling data scientists to access synthetic data previews of datasets within minutes, significantly reducing the waiting period from weeks to minutes.

San Francisco, California, United States

Led the Blockchain Enterprise engineering team, spearheading exploration into blockchain as an emerging technology. Co-led the Blockchain Community of Practice. Collaborated with presenters to review and refine presentations, fostering a thriving community focused on education, covering topics such as digital wallets and zero-knowledge proofs.Evaluated 30 prototypes across Capital One, engaging with users to identify use cases and interviewing engineers on existing applications. Established a private Ethereum testnet with AWS cross-region replication, enabling engineers to experiment with Ethereum smart contracts securely, reducing duplication of effort and facilitating exploration of prototypes across seven teams.Developed Proof of Concept for Card Rewards on Hyperledger Fabric, showcasing the pooling and sharing of rewards across merchants, illustrating innovative possibilities within the blockchain ecosystem.

San Francisco

Manage a product engineering and professional services team in Glu Mobile’s central technology organization. Serve as product owner for an expanding suite of internal services to validate in-app purchases and subscription renewals, track ad impressions, and perform player reengagement through push notifications.Responsibilities:♦ Work directly with studio teams in multiple offshore locations to track and resolve software defects and plan new platform features♦ Oversee the development of internal tools such as a customer service web portal♦ Build application prototypes that showcase the technology and serve as reference implementations for studio engineers♦ Recruit, develop, and review engineering and QA staff♦ Create and maintain project schedules, define weekly sprints, and conduct daily scrums♦ Analyze server traffic call patterns to develop game-specific system load tests♦ Plan and execute code deployments into production environments hosted on Amazon Web Services

San Francisco

Built a client software development kit (SDK) for communicating with back-end game services. This SDK was successfully used in more than a dozen Glu Mobile games, including highly popular titles such as "Deer Hunter" and "Kim Karashian: Hollywood."Provided SDK integration support to company studios in Seattle, Toronto, Moscow, Beijing, and Hyderabad. Managed a high volume of support requests to ensure all titles launched on time.

San Francisco

Developed the bot AI and multiplayer components for "World Series of Poker Hold'em Legend." After its release in October 2009, the game consistently ranked in the Top 100 Paid Apps on the Apple App Store and garnered many favorable industry reviews.Also worked on other iPhone titles, including Glu fan favorite "Gun Bros."

San Francisco

Served as J2ME engineer on several popular Glu Mobile game titles including "Fox Sports Mobile Pro", "Kasparov Chess", "World Series of Poker Pro Challenge", "Bonsai Blast", "Family Feud", and "WSOP: Hold'em Legend."Performed all coding, developer testing, art asset integration, and performance optimizations for these titles, and successfully ported the code to low-end J2ME devices with severe constraints in processing power, memory, and networking capabilities.

Los Angeles

Maintained and supported a Java-based planning and scheduling system for creating DVD masters from Sony Pictures feature films and television shows.

Montreal, Canada

Modified the firm’s investment banking systems to comply with “know your customer” rules pursuant to the USA Patriot Act of 2001. Successfully delivered under tight schedule to meet regulatory deadlines.

San Francisco

Successfully integrated Microsoft Outlook into the company’s suite of speech-enabled products.

Ottawa, Canada

Designed and developed a web-based test case management system used by network hardware engineers in Nortel product testing laboratories. This system is used to validate network solutions designed by Nortel for banks and other large institutions. Also maintained SGML authoring tools for publishing Nortel product manuals.