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csarsebas

Sebastian Cesar

@csarsebas

Senior Full Stack Engineer

Argentina
Spagnolo, Inglese
Alcune informazioni sono riportate in lingua inglese.
Chi sono
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.... Continua a leggere

Competenze

c
csarsebas
Sebastian Cesar
offline • 
Tempo di risposta medio: 2 ore

Consulta i miei servizi

Audit e sicurezza blockchain
I will build audited smart contracts on base and ethereum l2 with usdc integration
A partire da70 USD / progettoMaggiori dettagli
Integrazioni IA
I will build a conversational whatsapp ai agent for appointments and lead intake
A partire da90 USD / progettoMaggiori dettagli

Portfolio

Esperienza lavorativa

Self_Employed

Senior Full Stack

Self Employed • Full time

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.