
Elvis Poenaru
I'm not a Developer, I am!
Skills

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Werkervaring
Software Engineer
Plum • Fulltime
Sep 2024 - Present • 1 yr 8 mos
Designed and developed subscription plan infrastructure across UK and EU markets, enforcing plan-based access control to gate product offerings per customer tier. Maintained and improved billing modules and microservices, using feature flags for gradual rollouts to minimize risk on high-stakes financial flows. Led the Perks system end-to-end from concept to production, delivering in-app rewards tied to subscription tiers to boost user retention. Built and maintained services following a layered architecture, leveraging RabbitMQ for async messaging and ensuring reliability through unit and integration testing. Maintained platform observability using Grafana and Sentry, monitoring system health and proactively resolving issues in production.
Software Engineer
instacar • Fulltime
Apr 2022 - Sep 2024 • 2 yrs 5 mos
Developed and maintained a Golang fleet management backend system using Domain-Driven Design, covering user management, subscriptions, and payments. Architected a Laravel microservice for asynchronous email delivery and PDF generation. Integrated third-party services including Trello, VivaPayments, and OpenAI to extend platform capabilities. Managed AWS infrastructure including S3 for storage, SQS for messaging, and CloudSearch search functionality.
Full Stack Developer
Digitalwise • Fulltime
Apr 2021 - Apr 2022 • 1 yr
Built a multi-vendor marketplace with a Laravel REST API and Nuxt SPA, handling complex domain logic around vendor management, product catalogues, and order flows.