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senior
Registration: 24.10.2023

Josue Ibarra

Specialization: Senior Software Engineer
AWS Kotlin PHP PostgreSQL Python REST Kubernetes Laravel Kafka protobuf
AWS Kotlin PHP PostgreSQL Python REST Kubernetes Laravel Kafka protobuf

Portfolio

Evimed Healthcare

● Architected, designed, implemented, and deployed demos and alpha versions of the Evimed platform. ● Led business development to generate leads and prioritize project requirements.

Jobscan.co

● Reduced failed payment rate by more than 40% using A/B testing and SCA, billing address checks, holds on trials and CVC verification, capturing at least an additional $47,700 per month. ● Increased uptime from 97% to 99.9999% with broader testing, improved deployment procedures and infrastructure migration. ● Designed and built CI/CD pipelines still used to deploy to AWS and onsite infrastructures.

DoorDash , Drive, Merchant Services

● Backend engineering on the Drive Merchant Services team, building products for our largest Drive customers leveraging Kotlin, Python, Cadence, Postgres, CRDB, Kafka, Kubernetes, Arrow, Protobuf, etc. in a rapidly growing, large scale engineering effort with the mission of creating new services for Merchants. ● Design and implementation of hierarchical refund rules microservice processor between merchants, customers and dashers for Drive (DoorDash Delivery as a Service) handling millions of orders per month. ● Large scale backend migration from Django to Kotlin microservice using BFF architecture for order tracking data consumed by DoorDash, merchants and customers clients using Drive.

Skills

AWS
Django
Docker
Javascript
Kotlin
Kubernetes
Laravel
Linux
MongoDB
NodeJS
PHP
Python
Redis
Symfony
VueJS

Work experience

Senior Software Engineer
08.2021 - 04.2022 |DoorDash , Drive, Merchant Services
Kotlin, Python, Micronaut, Django, Kubernetes, Kafka, AWS, Postgres, CRDB, Cadence
● Backend engineering on the Drive Merchant Services team, building products for our largest Drive customers leveraging Kotlin, Python, Cadence, Postgres, CRDB, Kafka, Kubernetes, Arrow, Protobuf, etc. in a rapidly growing, large scale engineering effort with the mission of creating new services for Merchants. ● Design and implementation of hierarchical refund rules microservice processor between merchants, customers and dashers for Drive (DoorDash Delivery as a Service) handling millions of orders per month. ● Large scale backend migration from Django to Kotlin microservice using BFF architecture for order tracking data consumed by DoorDash, merchants and customers clients using Drive.
Senior Software Engineer
07.2018 - 08.2021 |Jobscan.co
.
● Reduced failed payment rate by more than 40% using A/B testing and SCA, billing address checks, holds on trials and CVC verification, capturing at least an additional $47,700 per month. ● Increased uptime from 97% to 99.9999% with broader testing, improved deployment procedures and infrastructure migration. ● Designed and built CI/CD pipelines still used to deploy to AWS and onsite infrastructures.
CTO / Co-Founder
03.2017 - 11.2017 |Evimed Healthcare
.
● Architected, designed, implemented, and deployed demos and alpha versions of the Evimed platform. ● Led business development to generate leads and prioritize project requirements.
Software Engineer
04.2016 - 01.2017 |Underground Elephant
.
● Worked on the back end in mission-critical projects like lead generation/marketing tools. ● Engineered the consumer facing ZipQuote Lead Marketplace. ● Created integrations for Fortune 500 clients requiring strict data schemas & security measures, like State Farm, Google Ads, and Workforce Singapore. ● Accelerated ad deployment time from 38min to 4min for 15K ads by optimizing creatives.
Head of Information Technology
02.2013 - 03.2016 |JC Power Audio Systems
.
● Developed an integrated retail solution encompassing point of sale, inventory tracking, and business intelligence tools for a global logistics company focused on wholesale electronics. ● Tracked over $5M sales with the solution, leading to it being voted company-wide the most important change in business operations in the last 5 years. ● Automated 2 full time positions, revamped inventory accuracy and linked sales to associates by designing, building and deploying a POS system and inventory management solution. ● Delivered 45K+ tablets in 3 variants to market early by negotiating multiple software and licensing deals (Bluetooth, USB-IF, USPTO) and managing design deliverables to production.

Educational background

Computer Science (Bachelor’s Degree)
Southwestern College

Languages

EnglishNativeSpanishNativeFrenchUpper Intermediate
AWSKotlinPHPPostgreSQLPythonRESTKubernetesLaravelKafka