Lead developer for social health platforms, refining, coordinating, and reviewing sprints. Coached 3 juniors/interns. Promoted and participated in knowledge sharing. Introduced Quality Assurance practices. Improved application observability. Refactored caching system to sustain high load during national TV event and generalized it for shared architecture. Built tools for improving developer and backoffice experience. Co-created data exchange with client Business Intelligence units.

Implemented frontend features using in-house functional wrapper for React. Managed service requests for 3 applications in production: classifying, responding to, and solving issues. Set up custom caches to sustain peak loads (~10k users) on booking site. Refactored data handling to be asynchronous of a 10+ year old desktop application used by pharmacies. Advised on: integrating webinar suites in existing ticketing system for hybrid events; implementing measurements for analytics.

Participated as frontend engineer for client projects on part-time basis. Contributed to shared architecture under supervision of CTO and Architects. Ported an in-house frontend framework to React Native. Lead the development of a React Native project. Trained clients to use backoffice systems. Assisted in creating video marketing material Migrated hosting environments from Virtual Private Servers to container based infrastructure using Docker and Kubernetes. Designed and implemented build pipelines. Reduced monthly operational cost by decommissioning servers and shrinking infrastructure subscriptions.

Assisted managing 200+ linux servers with Puppet. Managed SSL Certificates, domain names, DNS, and email infrastructure. Configured hosting environments for client teams. Advised on and assisted with Mobile Device Management. Experimented with hosting infrastructure using Docker. Maintained internal reporting tools. Consolidated domain names under a single registrar. Supported clients with hosting issues. Performed service development tasks for development teams.

Monitored page performance and performed interventions on low-performing pages in the frontend and Java backend. Benchmarked microservices. Led an A/B test comparing CTR of two frontend modules. Optimized Maven build pipeline.

Set up QA environments and CI/CD pipelines. Created a custom Wordpress theme. Implemented track-and-trace and pick-up point locator interfaces in React. Introduced knowledge sharing platform.