Experience

July 2024 - February 2026•1 year 8 months

Owned end-to-end delivery of fintech features, coordinating engineers, product, and operations, and owning timelines, quality, and production readiness. Including invoice OCR / vision services, OBT & GDS integrations, and complex API workflows.
Built internal back-office tools to investigate and resolve card payment issues with full operational context. Prioritized performance, reliability, and observability over feature volume in production systems.
Improved monitoring and observability using Datadog, CloudWatch, and Sentry, reducing time to detect and resolve issues. Developed high-quality solutions with React, TypeScript, Node.js, Java covered by unit tests.

July 2023 - June 2024•1 year

Operated as an independent consultant, leading end-to-end product delivery for multiple clients by architecting React Native/Expo mobile apps and Python Django backends with AWS/Heroku infrastructure.

March 2022 - July 2023•1 year 5 months

Spearheaded external CIAM integrations and developed a passwordless authentication add-on using OIDC/OAuth. Delivered E2E features using C# (.NET Core), TypeScript, and React, managing microservices via Docker and Kubernetes.
Architected a metric-driven billing engine, validated via K6 to support 10M users a day, while optimizing system performance to reduce AWS costs.
Increased login conversion rates by significant percentages by engineering advanced observability funnels and BI dashboards using Datadog and LogRocket.
Owned E2E processes and cross-functional coordination within Agile/Scrum teams across multiple time zones.

April 2020 - January 2022•1 year 10 months

Led a multidisciplinary team of 5 developers, QA, Product, and Design to deliver a public-facing Angular 10 analytics dashboards and custom made complex charts components, coordinating across domains to design ETL pipelines in NodeJS and ensure public-sector compliance.
Owned delivery planning, team coordination, and stakeholder alignment from requirements to production.

June 2015 - April 2020•4 years 10 months

Developed and maintained secure internal systems using React, Node.js, C#, ASP.NET Web API, AngularJS, and Oracle PL/SQL, following scalable architecture and SDLC best practices.
Led technical design and architecture, mentoring engineers and improving Agile workflows, Git, JIRA, and development standards.
Built microservices with RESTful APIs and GraphQL, managed via Kong, and designed ElasticSearch + Kibana dashboards with defined KPIs.
Implemented CI/CD pipelines, E2E testing, and TDD using MSTest, Mocha, Chai, and Sinon, ensuring high-quality, reliable systems.