Adrian Pistanila

Experience

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  Lynx Solutions SRL

  Feb 2016 - Mar 2017

  Full-Stack Web Developer

  *Rewrote a legacy Handlebars-based frontend into a modern Knockout.js SPA integrated with ASP.NET MVC 4.5 APIs.*Improved frontend performance by 10–20 % through minification, caching, lazy loading, and pagination.*Collaborated with backend engineers to redesign APIs, enhance maintainability, and deliver a cleaner UI/UX foundation for marketing-analytics applications.

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  RoundAssist Inc.

  Feb 2017 - Sept 2021

  Team Lead / Senior .NET Developer

  *Led a small team of 3 developers in delivering backend and API solutions for a US-based call-tracking and analytics platform handling 1.5 million + calls daily.*Created an automated telecom provisioning service integrating 9 carrier APIs to process 3 000 – 5 000 phone orders per day, eliminating manual workflows.*Optimized SQL Server performance through indexing, query tuning, and Temporal Tables, reducing data-load times from minutes to milliseconds.*Built a Selenium-based test suite and implemented extensive automated, unit, and integration testing coverage using NUnit and Moq.*Collaborated with management on performance reviews, resource planning, and technical interviews for .NET candidates. Show less

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  Gaming Innovation Group

  Sept 2021 - Dec 2022

  Senior .NET Backend Developer

  *Developed and maintained distributed backend systems and public APIs for GiG’s regulated gaming platform serving 5–10 million + users.*Supported the onboarding of 3 new countries by delivering compliant microservices using Microsoft Orleans, SOLID design, and AWS infrastructure.*Integrated third-party payment, KYC, and risk-management providers; optimized SQL queries for high-volume data workloads; and strengthened service resilience through targeted refactoring and integration testing.

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  Tombola

  Jan 2023 - Dec 2024

  Senior .NET Backend Developer

  *Contributed to the development of a real-time player-support chat platform using AWS Connect and proprietary backend systems. *Implemented new AWS Connect flows and Amazon Lex chatbot automations that reduced support contact rates by 40 %+.*Upgraded multiple monolithic .NET 4.5 applications to 4.8, improving stability and maintainability.*Enhanced internal admin tools, cleaned legacy feature toggles, and introduced secure Lambda-based integrations to streamline customer operations.

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  RIA Solutions Group

  Apr 2025 - Oct 2025

  Senior .NET Backend Developer

  * Contributed to the modernization of a large-scale Exchange synchronization system used by hundreds of thousands of users. Improved sync performance by ~80 % and re-architected notification handling to cut AWS compute costs.*Refactored legacy .NET Framework 4.8 code to clean .NET 8 services using design patterns and SOLID principles, reducing runtime and maintenance overhead.*Implemented MSAL-based unified authentication, resolved critical outages related to large payloads, and delivered WCAG-compliant UI updates.*Collaborated closely with cross-functional teams to ensure reliability, accessibility, and cost-efficient scaling in AWS. Show less