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DiegoAWS/README.md

DIEGO ESCOBAR

Senior Backend & Reliability Engineer (Node.js/K8s) Fintech & iGaming Specialist | Ex-MakerDAO & WynnBet

diego.developer@yahoo.com | +372 55576254 | [Tallinn, Estonia] linkedin.com/in/diego-escobar-developer | diego-escobar.com

PROFESSIONAL SUMMARY

Senior Software Engineer with 10+ years of experience specializing in high-throughput, high-risk environments (DeFi & iGaming). Proven track record of engineering scalable architecture for industry leaders like MakerDAO (protecting billions in TVL) and Coolbet. Expert in bridging the gap between Backend development and SRE/DevOps to ensure 99.99% uptime during periods of hyper-growth. Trilingual (English, French, Spanish) and adept at aligning distributed international engineering teams with critical business objectives.

TECHNICAL SKILLS

Category Skills
Backend & Core Node.js, TypeScript, Java (Spring Boot), NestJS, Microservices Architecture
Infrastructure & SRE Kubernetes, SRE & DevOps, Docker, Spinnaker, AWS, Keycloak
Blockchain Solidity (Smart Contracts), DeFi Protocols
Frontend React, Next.js
Data PostgreSQL, MySQL, MongoDB

PROFESSIONAL EXPERIENCE

iGaming (Coolbet / GAN) | Tallinn, Estonia Senior Software Engineer (SRE & Backend) | August 2022 – Present

  • B2B Architecture: Architected and executed B2B environment launches for WynnBet Sports across 15 US states, managing complex regulatory compliance and large-scale data ingestion.
  • SRE Leadership: Spearheaded SRE operations and implemented internal tooling that reduced incident response times for 400+ engineers.
  • Scaling & Stability: Optimized team workflows and system stability during a +160% hyper-growth expansion phase.

OpsTalent | Remote Senior Software Engineer | November 2019 – August 2022

  • MakerDAO (DeFi): Served as Core Backend Engineer. Developed critical infrastructure for MipsPortal and the Peg Stability Module (PSM), securing a protocol managing billions in TVL.
  • Performance Optimization: Lead Full Stack Developer for ThinkJam, achieving a 32% increase in user satisfaction via performance optimization (React/NextJS).
  • Modernization: Migrated legacy backends to NestJS/Kubernetes microservices to significantly improve scalability and maintainability.

QWERTY | Havana Software Engineer | April 2015 – November 2019

  • Cost Reduction: Engineered a custom Warehouse Control System saving the client $450k+ in inventory mismanagement and asset loss.
  • Revenue Growth: Built a .NET/C# Sales Management suite driving a 67.5% YoY sales increase.
  • Product Launch: Played a pivotal role in the full lifecycle launch of the 'Fyself' identity project using React and Java/Spring Boot.

EDUCATION

Telecommunications Engineering | Technological University of Havana 2014 – 2018

  • Focus: Specialization in Distributed Systems, Blockchain Architecture, and Cloud Native Computing, with a focus on high-availability enterprise systems.

LANGUAGES

  • Spanish: Native
  • English: Proficient (C2)
  • French: Proficient (C2)

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