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Oscar Chavez Sr DevOps EngineerOC

Oscar Chavez

Sr DevOps Engineer
  • Suggested rate
    €750 / day
  • Experience8-15 years
  • Response rate100%
  • Response time1 hour
The project will begin once you accept Oscar's quote.
Location and workplace preferences
Location
Brussels, Belgium
Can work on-site at your office in
  • and around Brussels (up to 50km)
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Languages
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Skill set
Industry fields of expertise
Banking and Financial Services
Digital and IT Services
Oscar in a few words
Senior DevOps Engineer with 12+ years steering FinTech and Cybersecurity operations. Triple-certified cloud architect specialising in AWS, GCP, and Kubernetes. I handle end to end cloud architectures: from infrastructure automation to security hardening and team leadership
Experience
  • Incredible
    CTO, Tech Lead
    March 2024 - Today (1 year and 2 months)
    London, United Kingdom
    • getincredible.com (Techstars 2022) is a UK based B2C debt management app used by thousands
    • Stack: React Native (Expo); Python (FastAPI); Kubernetes (GKE); Firebase Auth + Storage (GCP);
    • Cloud infrastructure administration, application development, team management
    • Refactored the infrastructure and reduced cloud expenditure by 70% (measured in previous 6 months)
    • Integrated an Open Banking provider that increased the credit card coverage in the UK to >95%
    • Reduced the backend application lead time (commit to production) from weeks/months to minutes
  • Lean Technologies
    Founding / Staff DevOps Engineer
    November 2019 - April 2024 (4 years and 5 months)
    London, United Kingdom
    • leantech.me is the leading open banking provider in the middle east and north africa. First company hire
    • Critical cloud infrastructure management using Infrastructure-as-Code (Terraform).
    • Managed at least 8 cloud infrastructure migrations that could have impacted 250,000+ users, all with an aggregate of 0 unplanned downtime.
    • Maintained >99.9% uptime SLA of Data & Payment APIs in the UAE and KSA for over 2 years (2021 -
    2023)
    • Automation of infrastructure services, using GitOps (ArgoCD), such as Redis, Vault, Kafka, MongoDB, Nginx. This created an environment where engineers could self-serve their infrastructure requests
    • Removed internal requests (at least 5 a week) to the DevOps engineers to manually modify the infrastructure (database creation / r+w access) by creating a security compliant solution (SSO +
    approvals + audit trails)
    • Securit y infrastructure setup and administration, such as a PKI setup for mTLS Authentication or a company wide SIEM/XDR
    • Participated in several high profile security audits that helped certify the company ISO 127001
Recommendations
Education
  • BA, Digital Media, Major Computer Science
    ITESM
    2024
    BA, Digital Media, Major Computer Science
Certifications