Full-stack NestJS + React application with OAuth, encryption, weather integrations.
Open projectArduino Uno + temperature sensor → secure API ingestion → dashboard visualization.
OWASP-based audit templates, scripts, and checklists for API security testing.
2025 – current
Senior Software Engineer, Architus
Billing service plan, create and maintain in the Energy company (GCP, TypeScript, CloudSQL)
2022 – 2025
Senior Backend Developer, Shift4
Led integration with 5+ third-party services, 99.9% uptime. Resolved 50+ critical bugs, optimized code by 20%, improved query performance by 40%. Integrated observability (Grafana/Prometheus, New Relic, DataDog), reduced incident response by 50%.
2019 – 2022
Node.js Developer – Team Lead, NDA
Developed 3+ data crawlers, processing 1TB+ monthly. Led team of 3 developers, reduced processing time by 25%, improved data accuracy by 15%. Managed 10+ microservices.
2018 – 2019
Node.js Developer, Diceus
Backend for financial data integration, +30% efficiency. Modernized Vue.js frontend, -50% load time. Real-time car bidding service, 10,000+ bids daily.
2013 – 2018
Full Stack JavaScript Developer, Adtarget.me (NDA)
Retargeting system, +35% data collection. Banner designer, +80% campaign speed. Supported 30+ shop tracking scripts, +20% accuracy.
2012 – 2013
PHP Developer, BlueConsultancy
Security report system (Lithuanian ISO standards). Custom Drupal hooks. Java plugin for working hours calculation.
2011
Web Developer, Amikom
Administered websites, 99.9% uptime. Optimized performance, -40% load times.
TypeScript
Node.js
NestJS
MongoDB
Arduino
Linux