omaribannez@gmail.com | GitHub | LinkedIn
Experienced Software Engineer with a decade-long track record of leading high-performing, diverse, and geographically distributed teams. Proficient in designing, architecting, and developing robust software solutions using Python, Go, JavaScript, and AWS Cloud Infrastructure. Committed to cultivating a dynamic, collaborative, fast-paced environment and enhancing software engineering practices to accelerate innovation and organizational progress.
Koffie Financial
August 2022 - January 2024
- Led the development of a calculation engine utilizing Directed Acyclic Graphs (DAGs) and a Domain-Specific Language (DSL), enhancing insurance policy rating by transitioning from error-prone spreadsheets to a robust, automated system.
- Designed and implemented a tool that monitors the main events of an insurance policy, aiding in tracking and triggering tasks throughout the policy lifecycle.
- Directed the migration from a Columnar-Oriented Database to a Row-Oriented Database by developing a migration tool with a data type translation layer.
- Automated all financial transactions related to the insurance policy using our internal events system and integrating it with QuickBooks.
Tools: Python, FastAPI, SQLAlchemy, Pandas, NumPy, PostgreSQL, QuickBooks.
Cloud: Google Cloud Platform; BigQuery, DataStore, Secret Manager, IAM, App Engine, Cloud Storage, Cloud Build, Cloud Tasks.
Dispatch Health
October 2022 - September 2023
- Led the design and implementation of a Feature Store, optimizing the management and utilization of machine learning features across various projects.
- Designed and implemented a REST to gRPC proxy service to serve machine learning models across different communication protocols.
- Orchestrated two distinct data pipelines from Redshift to our Feature Store.
Tools: Apache Airflow, Apache Kafka, Terraform, PostgreSQL, REST, GraphQL, Python, Go, Ruby.
Cloud: Amazon Web Services; Redshift, SageMaker, Lambda, S3, EC2, IAM, Glacier, DynamoDB, API Gateway, Elastic Load Balancing, CloudWatch, CloudFormation, Athena, Kinesis.
BriteCore
March 2019 - August 2022
- Enhanced the legacy policy rate engine.
- Improved the legacy document generation platform.
- Designed and developed an insurance document drag-and-drop editor that allowed stakeholders to create documents and trigger their generation by pulling data from various sources using GraphQL.
Tools: Python, Pyramid, SQLAlchemy, Django, PostgreSQL, Docker.
Cloud: Amazon Web Services; S3, EC2, Lambda, IAM, DynamoDB, API Gateway, AppSync, CloudWatch, CloudFormation.
Eastridge Workforce Solutions
January 2017 - March 2019
- Spearheaded the recruitment of the initial engineering team for the Tijuana office.
- Managed day-to-day responsibilities of the Mexico branch office.
- Received extensive corporate training for the engineering manager position.
- Improved platform performance by auditing and enhancing our database queries.
- Designed, architected, and developed key functionality for our recruitment and staffing platform.
Tools: Python, Pyramid, SQLAlchemy, Django, PostgreSQL, Docker.
Cloud: Amazon Web Services; S3, EC2, Lambda, IAM, DynamoDB, API Gateway, AppSync, CloudWatch, CloudFormation.
Feedb
July 2016 - January 2017
- Implemented Sentry and monitoring tools, significantly improving customer support.
- Developed a Zapier app, expanding integration options for customers.
- Designed, architected, and developed diverse features providing a better user experience.
Tools: PHP, CodeIgniter, JavaScript, JQuery.
Cloud: Amazon Web Services; S3, EC2, Lambda, IAM, CloudWatch.
Global Hawk Insurance Company
October 2014 - July 2016
- Managed distributed teams across India, Mexico, and the USA, enhancing team communication and project delivery.
- Pioneered rapid prototyping techniques to test and refine new ideas efficiently.
- Designed, architected, and developed multiple software solutions to support our core business.
Tools: PHP, Zend Framework, JavaScript, Python, Django, Angular, jQuery.
EmpresaPyME
February 2014 - October 2014
- Led the design and development of an automation system for account management, streamlining processes for hundreds of clients.
Tools: PHP, Zend Framework, JavaScript, Backbone.js.
LevelUp
May 2012 - February 2014
- Conducted comprehensive black-box penetration testing, significantly enhancing platform security.
- Led the design and development of the forum platform used by levelup.com and all BuscaCorp's websites.
- Led the front-end team in implementing the redesign of levelup.com, improving user engagement and experience.
Tools: PHP, Zend Framework, JavaScript, Backbone.js.
Merchant de Mexico
January 2011 - May 2012
- Led the migration of the billing and inventory system from Delphi 7 to C#.
- Led a team of contractors to upgrade the company's hardware infrastructure.
Tools: C#, .NET, Delphi 7, Microsoft SQL Server, PHP, C++.
Master in Cognitive Behavioral Therapy
Universidad Xochicalco, Tijuana, México.
2024 - Present
Bachelor in Psychology
Universidad Humanitas, Tijuana, México.
2019 - 2023
Software Engineering (Coursework)
CESUN Universidad, Tijuana, México.
2011 - 2012
Systems Engineering (Coursework)
Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, México.
2009 - 2010
Django Girls San Diego
Conducted a workshop to help women build their first website using Django.
Python Tijuana
Co-founder and active speaker at the Python meetup group.
Startup Weekend TJ
Served as a mentor in the Startup Weekend community.
DCG 664
Founded DEFCON GROUP Tijuana, focusing on security and technology meetups.
- English (C2 Proficiency)
- Spanish (Native)