# Leonard P. > Senior Software Engineer at Mercury Location: New York, New York, United States Profile: https://flows.cv/leonardp I am a software engineer and passionate game development enthusiast with a mix of skills and experience in full-stack development, automation, and creation of innovative games. ## Work Experience ### Senior Software Engineer @ Mercury Jan 2026 – Present | New York, United States ### Software Engineer @ Mercury Jan 2025 – Jan 2026 | New York, United States ### Co-Founder & Software Engineer @ Umbral Studios Jan 2023 – Present Lead a four-member team in developing Project: rEvolution, a top-down tower defense game, intended for release in 2026 as the studio’s first title. ### Senior Software Engineer @ Switchboard Jan 2024 – Jan 2025 | New York, United States Led full stack development using Node.js, React, TypeScript, and GraphQL, delivering new features and maintaining platform stability. Translated business needs into actionable weekly cycle plans, aligning priorities to ensure smooth execution and delivery of key objectives. Ensured high product reliability by developing and maintaining test suites of unit tests and Cypress integration tests. Created ai-powered matchmaking microservice to connect customers within our network using vector embeddings, similarity-based queries, and web scraping technology. Delivered automated solutions to replace the team’s previous manual processes, saving the team up to ten hours per week. - Integrated Stripe to enable self-service referral fee payments, including payment scheduling, invoicing, and payouts. - Built Zapier integration to parse and log referrals made via email. ### Freelance Development @ Unknown Jan 2024 – Jan 2024 My current work is split between a pre-seed startup building a referral management platform, freelance Unreal Engine assignments, and working on my game studio's (Umbral Studios) first planned game release. My freelance work has included: • Developing a plugin that allows users to create seamless textures using a visual graph/node system. • Writing a plugin that enables users to automatically download animations from an API and retarget them to their characters with one click. • Creating a global function that copies render targets and textures to the clipboard for easy pasting into image editing software or other apps (e.g. Slack, Discord, etc.). Performed low-level C++ programming and cross-platform development to support Mac and Windows machines. • Upgrading a plugin to a newer UE version and patching game-breaking issues for the creator of a game published on Steam. ### Software Engineer @ TestBox Jan 2022 – Jan 2024 Testbox is a startup that helps SaaS sales professionals by providing custom demo environments filled with realistic data. I joined as employee ~#13 amidst a pivot from a free marketplace for buyers to try software, to a B2B model focused on developing automated systems to create demo environments for SaaS providers. Project Highlights: • Led construction of internal framework to standardize and facilitate microservice development, reducing maintenance burden and time to delivery across sixteen different projects using Python, Terraform, and Chalice. • Architected and implemented a scalable system to seamlessly process thousands of long-lived requests, enabling Testbox to support larger customers (e.g. Gong, Intuit). The solution replaced local scripts that took hours to run, with a fully distributed system on AWS that combines queues, Lambdas, databases, and cron jobs. • Reverse-engineered web applications to automate web-based tasks such as automatic trial creation and data ingest. • Wrote scripts to generate datasets and phone call transcripts of configurable size and detail with ChatGPT integration. • Implemented front-end React components and pages that communicate with APIs to display and mutate data. • Configured/deployed microservices on AWS using Terraform. • Modified CI/CD pipeline to build and publish Docker images, run automated tests, and deploy applications. ### Frontend Developer @ Lexia Learning Jan 2021 – Jan 2021 Lexia is an online learning platform to help students improve their literacy. Project Highlights: • Built a ReactNative component library as Lexia transitioned from ReactJS to ReactNative. • Migrated and updated legacy React components and Redux reducers from JavaScript to TypeScript. ### Student Networks Technician @ Northeastern University Jan 2021 – Jan 2021 | Boston, Massachusetts, United States ### Full Stack Engineer @ Pinspiration Jan 2019 – Jan 2019 ### Full Stack Developer Intern @ MahiGaming Jan 2015 – Jan 2019 | Deerfield Beach, Florida, United States MahiGaming is an international game studio that builds web-based slot games. I worked seasonally for Mahi during breaks from school. Projects: • Led development of a prototype web application to streamline game development process. • Bootstrapped full-stack development of an internal web app to help employees manage company game data. ## Education ### Computer Science Northeastern University Jan 2019 – Jan 2023 ### Saint Andrew's Highschool Jan 2016 – Jan 2019 ## Contact & Social - LinkedIn: https://linkedin.com/in/leonard-parisi - Website: https://leonardparisi.netlify.app --- Source: https://flows.cv/leonardp JSON Resume: https://flows.cv/leonardp/resume.json Last updated: 2026-03-23