# Lucas Marcondes > Software Engineer at TikTok Location: Seattle, Washington, United States Profile: https://flows.cv/lucasmarcondes Software engineer with 5+ years of experience building scalable, high-performance systems for global tech and finance. Proven ability to lead cross-functional teams in reducing platform latency (up to 20x). Specializes in system design, React, and TypeScript, with a deep focus on performance and developer experience. ## Work Experience ### Software Engineer - Frontend @ TikTok Jan 2024 – Present | Greater Seattle Area Improved cross-platform modularity by 70% through a monolith-to-micro-frontend migration, enabling faster onboarding and independent team deployments. Raised platform health score from 62% to 96% by reducing Largest Contentful Paint (LCP) by 94%, cutting page latency by 20x, and optimizing memory usage by 55x. Increased component reusability by 5x through abstraction layers and configuration-driven UI, eliminating frontend work for future features. Improved system availability and API performance by executing a zero-downtime migration to a multi-region architecture with disaster recovery and 21% faster API response times. Saved ~80 engineering hours per feature by establishing testing standards, CI/CD pipelines, and SOPs for cross-team deployments. Improved cross-team consistency and reusability by contributing to system design documents and architecture reviews, driving adoption of shared frontend patterns and guiding team alignment across platform modules. ### Software Engineer - Full Stack @ Affinity Plus Federal Credit Union Jan 2023 – Jan 2024 | St Paul, Minnesota, United States Reduced vendor costs by $300K+ annually by designing React-based account opening workflows that replaced third-party tools. Improved customer trust and data privacy by implementing secure messaging, document upload, and two-factor authentication for business-to-client interactions. Reduced manual processing by 60% by automating document review with Groovy-based scripting workflows. Increased release frequency by building GitLab CI pipelines with integrated security scanning, testing, and AWS-based auto-rollbacks. ### Software Engineer - Full Stack @ CampLife Jan 2020 – Jan 2023 | Mount Juliet, Tennessee, United States Transformed a legacy multi-page application into a component-driven SPA using Vue.js, LESS, and Pinia, optimizing API calls for improved performance and reduced network usage. Redesigned website checkout processes to meet WCAG Level AAA standards, adding a reservation summary component, and editable reservation details, enhancing inclusivity and compliance with state contracts. Overhauled the proprietary business rule builder UI using Vue.js, adding new components for flexible comparison and evaluation of object fields. This significantly expanded functionality and reduced developer involvement. Managed the implementation of over 1,000 business rules for organizations including Love's Travel Stop, Outdoor Adventures, and Travel Resorts of America, utilizing Java and Drools for rule engine integration. These rules managed park availability and custom rate algorithms. ### Software Engineer Intern @ CampLife Jan 2019 – Jan 2020 | Mount Juliet, Tennessee, United States Designed and implemented an interactive campground mapping view using Vue.js and Leaflet, engaging users with a a visually intuitive interface to explore nearby campgrounds. Collaborated with senior developers, QA, and marketing teams to ensure seamless integration of the campground mapping feature, resulting in a polished and user-friendly application. Utilized the Drools Rules Engine in Java to implement custom logic for pricing and availability, streamlining the reservation process and increasing operational efficiency. Earned a five-star customer service record in Jira, receiving consistent positive feedback from clients, enhancing client satisfaction and loyalty. ### Student Body President @ Walla Walla University Jan 2019 – Jan 2020 | College Place, WA • Served as an employer for over 140 students with a half a million dollar budget • Participated in and chaired various committees within the community • Oversaw the success of 16 student-run departments, while enforcing and adapting governing documents ### Senior Audio Technician @ Walla Walla University Jan 2017 – Jan 2020 | College Place, WA • Set up and operated sound systems for over 100 university programs • Developed and executed several plans of action for yearly campus events ## Education ### Bachelor of Science in Engineering in Computer Engineering Walla Walla University Jan 2016 – Jan 2020 ## Contact & Social - LinkedIn: https://linkedin.com/in/lucas-marcondes --- Source: https://flows.cv/lucasmarcondes JSON Resume: https://flows.cv/lucasmarcondes/resume.json Last updated: 2026-03-29