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Thomas Varga

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Budapest, Hungary
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Starting at USD3k/month
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Starting at USD25/hour
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Timeline

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Résumé

Jobs verified_user 0% verified
  • D
    Senior Full-Stack Engineer
    DevTechStudio LLC
    May 2023 - Current (3 years 4 months)
    • Architected a greenfield SaaS platform with React, NestJS, and TypeScript using SOLID, clean architecture, and design patterns, establishing scalable service boundaries and API contracts across distributed teams. • Built React and Next.js frontends with Redux Toolkit and React Query, delivering responsive, accessible interfaces consuming GraphQL and REST APIs for complex user workflows. • Designed PostgreSQL data models with performant SQL and query tuning, supporting high-volume transactional and reporting workflows under production load. • Built event-driven microservices on Kafka and RabbitMQ over AWS ECS and Lambda, decoupling transaction processing and improving scalability under bursty financial load. • Implemented a GraphQL Apollo
  • Bits Kingdom
    Full-Stack Developer
    Bits Kingdom
    Apr 2019 - Apr 2023 (4 years 1 month)
    • Delivered full-stack fintech features with React, Redux Toolkit, and Node.js, maintaining clean component architecture and reliable API integration across iterative cycles. • Constructed PostgreSQL-backed REST APIs in Express.js with OpenID Connect, enforcing compliance-aware access control across sensitive financial user-data workflows. • Developed WebSocket real-time features with Node.js and Redis pub/sub, improving data freshness across high-activity trading dashboards. • Wrote performant SQL on PostgreSQL with indexing and query tuning, keeping data access fast for enterprise users under production load. • Applied SOLID and design patterns with Vitest and Testing Library coverage, refactoring legacy JavaScript to TypeScript and reduc
  • Seon
    Full-Stack Developer
    Seon
    Aug 2016 - Mar 2019 (2 years 8 months)
    • Built REST API endpoints in Node.js and Express with React frontends for a healthcare platform, applying clean architecture and consistent code review. • Developed React components consuming PostgreSQL-backed APIs, improving data visibility for internal operations and patient-facing workflows. • Wrote Jest and Testing Library unit and integration tests across API and frontend modules, improving reliability and reducing regression risk. • Resolved production bugs across React and Node.js codebases through structured debugging, restoring reliability during active release cycles. • Partnered with senior engineers on AWS S3 deployment patterns and SOLID refactoring, gaining ownership of core API features within the first year.
Education verified_user 0% verified
  • Corvinus University of Budapest
    Bachelor of Science in Computer Science
    Corvinus University of Budapest
    Sep 2012 - Jun 2016 (3 years 10 months)