Ivan Ortiz
@ivanortiz
Senior Python/Django developer delivering scalable, high-performance backend and full-stack solutions.
United StatesWhat I'm looking for
I am a versatile senior Python developer with over 10 years of experience building high-quality software across simple and complex systems. I specialize in Django, writing clean database-level code and optimizing queries for performance while applying secure coding and scalable architecture principles.
At EPAM Systems I built low-latency distributed transaction systems, improved request speed with raw SQL, and developed features for a decentralized cryptocurrency exchange, achieving measurable load and performance gains. I also implemented OAuth2/OIDC authentication, automated SDK release processes, and led automated license extraction in builds.
Previously, I migrated legacy Python/Django stacks, integrated vendor data into Snowflake to improve ML model data quality, and built propensity models with scikit-learn. I enjoy solving performance bottlenecks, automating workflows, and delivering reliable production systems.
Experience
Work history, roles, and key accomplishments
Built a low-latency distributed transaction authorization framework and features for a decentralized crypto exchange, reducing website load time by 20% and resolving performance bottlenecks to meet strict latency budgets.
OLLed migration from Python 2.7/Django 1.6 to Python 3.7/Django 2.1 and developed a customer-facing CLI for a NoSQL data warehouse, improving data accessibility and enabling ML models via Snowflake integrations.
GRSupported backend development for large-scale e-commerce, resolved ~30% of reported bugs to improve stability, and automated server deployments and service configuration with Bash.
Education
Degrees, certifications, and relevant coursework
LCLoyola University Chicago
Bachelor of Science, Computer Science
2013 - 2017
Grade: 3.7
Activities and societies: AI club
Completed a Bachelor of Science in Computer Science with coursework covering software development, databases, and algorithms.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Salary expectations
Job categories
Skills
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