# Oleg Smirnov > Engineering Leader | Digital Experiences | Walmart International Tech Location: Sunnyvale, California, United States Profile: https://flows.cv/olegsmirnov Engineering leader with a cross‑market and cross‑domain range, focused on turning product strategy into measurable growth through applied AI, platform modernization, and performance excellence. Operates end‑to‑end—from customer insights and prioritization to architecture, delivery, and operations—aligning teams on clear metrics and simplifying complex systems. Known for raising developer velocity without sacrificing reliability, security, or cost control. Open to partnering with customer‑obsessed organizations to ship faster, personalize smarter, and scale reliably—let’s connect. ## Work Experience ### Principal Software Engineer @ Walmart Global Tech Jan 2020 – Present | Sunnyvale, California, United States Design and development for one of the biggest e-commerce retailers: • Took end‑to‑end responsibility for Canada and Mexico digital customer experiences to drive sustainable customer growth and revenue through technology. • Led multi‑year website & mobile transformations anchored to business KPIs and Google Core Web Vitals, lifting UX and search visibility. • Championed AI adoption for client‑facing experiences to improve personalization, relevance, and speed to value. • Owned production readiness across cloud capacity planning, performance/load testing, disaster recovery, and operational excellence for resilient scale. • Mentored website and app teams and advanced developer experience to reduce cycle time and raise quality signals. ### Principal Full-Stack Developer @ CaseWare International Inc. Jan 2018 – Jan 2020 | Toronto, Ontario, Canada Design and development of solutions for auditors: • Built microservices, ETL pipelines, and serverless applications and deployed them on AWS as part of a next‑generation analytics suite for auditors. • Introduced ML practices and integrated advanced fraud‑detection models to enhance anomaly discovery and risk signaling. • Led the design and governance of a company‑wide UI framework to ensure a consistent, high‑quality developer experience for internal and partner teams. • Prototyped blockchain‑enabled approaches to demonstrate future audit impacts in evidence collection, integrity, and traceability. • Guided a team of 12 engineers, enabling effective use of AWS big‑data services and improving delivery velocity and reliability. ### Lead Full-Stack Developer @ Citi Jan 2017 – Jan 2018 | Mississauga, Ontario, Canada Design and development of solutions for equity traders: • Built a real‑time web application framework to migrate from .NET to an HTML5 stack, expanding the developer talent pool and accelerating time‑to‑market for mission‑critical projects. • Identified additional value in the transition by proposing a trader‑focused BI tool to unify and visualize data from multiple sources. • Led the BI application implementation, making key technical decisions and tuning performance to meet strict SLAs. • Deployed the platform to New York, London, and Tokyo, gathered trader feedback, and iterated for usability and performance. • Mentored and trained 8 developers to lead their teams through the migration, raising code quality and delivery velocity. ### Technical Lead / Solutions Architect @ edsembli Jan 2014 – Jan 2017 | Mississauga, Ontario, Canada Design and development of financial back-office solutions for school boards of Canada: • Designed a microservice architecture for the suite of web applications on Microsoft Azure platform • Developed core framework for new SPA UI providing rich capabilities for customization and supporting visually impaired people • Introduced no-opt out quality and security policies to protect students and school staff PII data • Lead and trained 10 people team on the best practices for a selected full-stack ### Lead Developer / Software Architect @ Venuiti Solutions Inc. Jan 2014 – Jan 2014 | Kitchener, Canada Area Design and development of web-based solutions for international corporations: • Created a promotional SPA on top of Google Maps for Jack Daniel's open-air performance series. • Launched promotional websites for new LG mobile phones using advanced web APIs to spotlight key company innovations. • Created a kiosk app for Kobo using ClickOnce technology to allow updating of hundred devices remotely. ### Software Development Engineer III @ McAfee Jan 2013 – Jan 2013 | Waterloo, Canada Area Design and development of new features for McAfee’s public websites: • Based on provided requirements implemented bot protection system for company websites • Facilitated testing for all supported cultures and devices (about 500 end-to-end tests) • Won hackathon by demonstrating how Chromium and HTML5 can give a competitive advantage to McAfee in the antivirus market ### Senior Software Developer @ Venuiti Solutions Inc. Jan 2012 – Jan 2013 Design and development of web-based solutions for international corporations: • Worked on an e-commerce website with 120,000 visits per month. Contributed to more than an 18% increase in the conversion rate by modernizing the website, providing seamless integration with suppliers' backend systems, and creating a store internal operational portal. • Helped to launch a unique social network for artists and models by developing core components to streamline the customer journey and by optimizing the website performance to meet traffic needs using Microsoft Azure. • Maintained a forum for cancer center patients to facilitate and simplify their message exchange • Prototyped a website for Maynards Canada to centralize and gamify all their social activity • Optimized 3D rendering for Halyard to unlock graphic-rich medical presentations for mobile devices ### Lead Web Developer @ Reliable systems Jan 2008 – Jan 2012 | Penza Region, Russian Federation / Munich Area, Germany Design and development of ERP / CRM systems for a group of German pharmaceutical companies: • Lead development platform evaluation per project • Designed a system architecture and core modules for public-facing websites using Microsoft .NET framework • Built internal portals by customizing Microsoft SharePoint • Improved time-to-deploy and increased customer satisfaction by developing one-click installers. • Boosted developer experience (DX) by implementing first-in-class libraries (e.g. ORM for Microsoft SharePoint) • Discussed and prioritized feature roadmap with customers • Mentored a team of 5 people ## Education ### Master's degree in Computer Science, Mathematics Penza State University ## Contact & Social - LinkedIn: https://linkedin.com/in/osmirnov --- Source: https://flows.cv/olegsmirnov JSON Resume: https://flows.cv/olegsmirnov/resume.json Last updated: 2026-04-12