KNAbout Kevin
Senior Backend Engineer with experience building scalable, high-performance systems across EdTech, e-commerce, and ordering platforms. Specialized in cloud-native architectures, microservices, real-time data pipelines, and delivering reliable, high-impact backend solutions through cross-functional collaboration.
English
Native or bilingual
Remote only
Primarily works remotely
Experience
- PayTronixSenior Backend EngineerHOSPITALITYJanuary 2022 - July 2025 (3 years and 6 months)Newton, MA, USADeveloped scalable, reliable backend features for a multi-tenant ordering platform on AWS using microservices and event-driven architecture — improved observability, CI/CD, and delivery through Agile collaboration.●Designed and modularized menu and checkout services with microservices and event-driven patterns on AWS optimizing for tenant isolation, real-time responsiveness, and service independence — improved throughput and fault tolerance by reducing system coupling.●Implemented a customizable menu and cart experience — enabled sub-300ms cart update latency and scaled to 10K+ concurrent users with consistent pricing accuracy using Redis caching, DynamoDB, and asynchronous cart validation logic.●Built a fault-tolerant checkout backend enabling split payments and real-time item & time-slot validation — achieved 99.9% reliability during peak load and eliminated partial order failures using Apache Kafka and idempotent API design.●Configured centralized observability and independent CI/CD pipelines for microservices on AWS — reducing deployment time by 40% and improving issue detection.Collaborated in cross-team Agile/Scrum development practices — leveraging sprint cycles and backlog grooming to align priorities, accelerate delivery, and continuously improve product quality.
- AllbirdsBackend EngineerE-COMMERCEMay 2017 - November 2021 (4 years and 6 months)San Francisco, CA, USADesigned and developed a real-time backend analytics platform for Shopify Plus data, collaborating with frontend engineers and analysts to deliver scalable APIs, dynamic dashboards, and robust observability.• Architected a real-time ETL pipeline to ingest and process Shopify Plus data, ensuring low-latency, fault-tolerant data flow for analytics — delivering 70% more detailed and customizable analytics than Shopify' s native reporting.• Developed scalable data models and dynamic filtering logic to enable deep breakdowns by product, region, campaign, and customer segment — powering fast, flexible dashboards and GraphQL/REST APIs.• Collaborated closely with frontend engineers and analysts to define key metrics, optimize dashboard workflows, and design APIs tailored to real business needs.• Established full observability across the data pipeline and APIs, including structured logging, tracing, and alerting — reducing debugging time by 60% and boosting data reliability.
- BlackBoardBackend EngineerEDUCATION AND E-LEARNINGJune 2015 - March 2017 (1 year and 9 months)Austin, TX, USA• Improved the event ingestion pipeline with Kafka streaming and advanced deduplication to process millions of LMS activity events daily — boosting data accuracy and freshness for engagement analytics by 95%.• Assisted in enhancing ETL pipeline monitoring by supporting the development of logging and alerting processes — contributing to quicker issue detection and improved data accuracy.
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Education
- Bachelor' s Degree in Computer ScienceThe University of Texas at Austin2015Bachelor' s Degree in Computer Science