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csarsebas

Sebastian Cesar

@csarsebas

Senior Full Stack Engineer

Argentinië
Spaans, Engels
Sommige informatie wordt in het Engels weergegeven.
Over mij
I am a full-stack engineer with 15+ years of experience building production systems in healthcare, regulated government data environments, and mission-critical fintech. I have strong expertise in Python, NodeJs, Typescript, and AWS, with hands-on experience designing real-time event flows and secure multi-tenant architectures. I am comfortable owning features end-to-end and collaborating with US-based teams.... Lees meer

Skills

c
csarsebas
Sebastian Cesar
offline • 
Gemiddelde reactietijd: 2 uur

Bekijk mijn diensten

Beveiliging en audits Blockchain
I will build audited smart contracts on base and ethereum l2 with usdc integration
VanafUS$ 70 / projectMeer informatie
AI-integraties
I will build a conversational whatsapp ai agent for appointments and lead intake
VanafUS$ 90 / projectMeer informatie

Portfolio

Werkervaring

Self_Employed

Senior Full Stack

Self Employed • Fulltime

Aug 2023 - Present • 2 yrs 11 mos

End-to-end technical ownership over the design, implementation, and operation of the entire platform, shared with a small high-autonomy team. • Designed and deployed mission-critical response systems prioritizing latency and availability, with end- to-end monitoring via Datadog. • Built distributed workflows with Temporal and Trigger.dev with coherent retry policies and automatic failure recovery, eliminating data loss in critical invoicing processes. • Developed parallel processing pipelines on databases of 50+ GB, maximizing compute capacity and significantly reducing cloud infrastructure costs. • Implemented advanced web scraping with Browserless for integrations with external systems. • Integrated real-time features with Pusher and Supabase; multi-environment secret management with Doppler. • Hybrid AWS + Google Cloud architecture deployed via Serverless Framework and Qovery.