Senior Backend / Fullstack Engineer

SKIntertainment

May 2022 - Present
  • Designed and evolved scalable backend services using Node.js and TypeScript, focusing on availability, performance, and fault tolerance.
  • Migrated legacy workloads to AWS Lambda and Docker-based microservices, reducing infrastructure costs and operational overhead.
  • Implemented integrations with observability and analytics platforms (Amplitude, Sentry, Splunk) to improve system visibility and incident response.
  • Built serverless media processing pipelines using AWS Lambda for video transcoding and image/video watermarking.
  • Refactored critical microservices to improve safety, throughput, and response times.
  • Actively contributed to product strategy by proposing business and technical initiatives, translating them into epics, tickets, and clear Definitions of Done.
  • Leveraged BigQuery to analyze cross-sell behavior and purchase data, enabling data-driven product decisions.
Node.js TypeScript AWS Lambda Docker BigQuery Amplitude Sentry Splunk

Fullstack Engineer

BairesDev

May 2021 - May 2022
  • Developed frontend components using Vue.js, HTML5, and CSS3, with full end-to-end testing using Cypress.
  • Designed GraphQL APIs optimized for mobile consumption, backed by PostgreSQL.
  • Built and integrated backend services using Node.js, Express, MongoDB, Redis, Elasticsearch, and Docker.
  • Improved scalability and resilience by addressing edge cases and optimizing service interactions.
Vue.js Node.js GraphQL PostgreSQL MongoDB Redis Elasticsearch Docker Cypress

Software Architect

Stoneridge

January 2020 - May 2021
  • Led the migration of on-premise systems to AWS, using Cognito for authentication and Python-based AWS Lambda functions for serverless processing.
  • Designed system architecture and guided a cross-functional team working with Python, Node.js, and .NET Core.
  • Automated build and deployment pipelines using Jenkins, improving release reliability and speed.
AWS Cognito Lambda Python Node.js .NET Core Jenkins

Senior Software Engineer / Tech Lead

TOTVS

August 2017 - January 2020
  • Led the migration from a .NET Framework monolith to a Node.js microservices architecture, improving API response times by up to 95%.
  • Decoupled tightly coupled legacy components to enable modularity, independent deployments, and horizontal scalability.
  • Designed and implemented CI/CD pipelines using Azure DevOps and Jenkins.
  • Transitioned synchronous HTTP APIs to asynchronous RPC/AMQP communication using RabbitMQ.
  • Designed Kubernetes-based deployment strategies on Azure to support scaling and resilience.
Node.js .NET Framework RabbitMQ Kubernetes Azure DevOps Jenkins AMQP

Software Engineer

Klassmatt

March 2014 - August 2017
  • Solved complex performance and data-reliability problems across enterprise systems.
  • Developed .NET Framework services and SQL Server solutions focused on fast querying and data safety.
  • Designed and implemented an internal search platform using Lucene/Elasticsearch, significantly reducing query times.
.NET Framework SQL Server Elasticsearch Lucene

Software Engineer

Perto

August 2007 - March 2014
  • Developed internal systems for collecting hardware telemetry and managing client contracts.
  • Created SLA and MTBF reporting dashboards to prevent contract breaches and improve hardware quality.
  • Used operational data to identify business risks and improvement opportunities.
.NET Framework SQL Server Oracle

Achievements & Impact

💰

$2M+ Annual Savings

Enabled over USD 2M in annual savings in tax and financial processing platforms through architectural and backend improvements.

🚀

95% Performance Improvement

Led migration from monolithic .NET to Node.js microservices, dramatically reducing API response times.

👥

Mentorship & Leadership

Actively mentored engineers and promoted best practices across teams.

💡

Innovation

Created innovative internal system responsible for paying expenses in hours instead of days.

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