Ezequiel Lares
Rancho Cucamonga,CA
Summary
Technologically driven leader with a strong understanding of modern engineering practices, dedicated to leveraging expertise to drive impactful solutions and innovation in dynamic environments.
Overview
11
11
years of professional experience
Work History
Director of Software Engineering
Butlr
, Remote
06.2022 - Current
- Responsible for the engineering aspects of SOC 2 compliance, including monitoring vulnerabilities, updating software engineering-related policies, and ensuring adherence to industry standards.
- Maintained and enhanced company policies for incident response, data management, software development, password security, and overall security practices.
- Managed customer security inquiries, and completed detailed questionnaires.
- Directed the API and backend teams, driving technical excellence and innovation.
- Led the API team’s growth, scaling monthly requests from 2,000 to over 4 billion, with 95% uptime, and transitioning infrastructure from AWS Lambda to ECS Fargate.
- Spearheaded IoT device expansion from 100 to over 13,000 devices, increasing message ingestion rates from 2,000 to more than 1 million messages per second.
- Scaled MQTT broker architecture from 1 to 50 brokers across multi-cloud environments.
- Defined the Ontology Data Model for Butlr, establishing clear definitions and relationships for customers, sites, buildings, rooms, sensors, and zones.
- Directed migration of over 40 TB of customer and sensor data from InfluxDB Cloud to self-hosted InfluxDB Enterprise, aligning milestones and resources across teams.
- Reduced cloud costs from $250k/month (8,000 sensors) to $130k/month (13,000+ sensors) through optimization initiatives.
Senior Software Engineer | Lead Backend
Mapped
El Segundo, CA
06.2021 - 06.2022
- Led IoT Connector engineering efforts, focusing on extracting, normalizing, and integrating data from various third-party IoT devices.
- Developed and maintained core backend systems to ensure reliability and scalability.
- Designed and implemented the IoT Brick ontology for spatial sensors, teleconference units, and weather sensors, leveraging an internal graph database for efficient data organization and analysis.
Principal Software Engineer
XANT
, Remote
05.2021 - 06.2021
- Unfortunately, the company faced funding challenges, and was sold three weeks after my arrival.
- Hired as an architect for the core product "Playbooks," which utilized machine learning to analyze Salesforce contacts and predict optimal lead engagement strategies.
Software Engineer III | Lead Backend
PriceSpider
Irvine, CA
03.2021 - 05.2021
- Served as the Lead Engineer for the core product "WhereToBuy," overseeing critical technical initiatives.
- Led the transition of the in-house Kubernetes cluster to AWS, ensuring a seamless migration.
- Architected AWS solutions for ingress and reporting data streams, enabling efficient tracking and analysis of click-to-impression ratios for the 'WhereToBuy' product.
Principal Software Engineer
NortonLifeLock
Culver City, CA
03.2019 - 03.2021
- Co-architected the OAuth2/JWT implementation for a secure, serverless VPN backend, enhancing authentication, and overall security.
- Identified and resolved vulnerabilities in the SurfEasy website, addressing non-GDPR, and non-PCI compliance issues in payment processing.
- Optimized backend services, reducing over-provisioned AWS resources, and achieving cost savings of approximately $15k per month.
Principal Software Engineer
CU Direct
Ontario, CA
09.2018 - 03.2019
- Managed development for the company’s Loan Origination System, and led a modernization initiative to improve system efficiency and scalability.
- Collaborated with directors, product owners, and software architects to align engineering efforts with the company’s strategic vision.
- Established enterprise software development best practices, including code coverage metrics, automation standards, and software development protocols.
Sr. Software Engineer
Symantec
Culver City, CA
02.2016 - 09.2018
- Initiated a company-wide cloud aggregator service leveraging a graph database and a GraphQL framework to unify Norton’s backend systems.
- Served as interim product owner for 12 months, managing six developers, planning stories, and coordinating two-week sprints.
- Designed and maintained UX interfaces for activation, upgrades, and renewal flows across all Norton products.
- Member of Symantec’s elite "tiger team," addressing critical company challenges, including integrating LifeLock into Norton’s ecosystem.
Senior Programmer
Moffatt & Nichol
Long Beach, CA
11.2013 - 02.2016
Education
Bachelor of Science - Computer Science
Humboldt State University
Arcata, CA12-2010
Skills
- AWS
- Azure
- Golang
- Terraform
- SQL
- Kubernetes
- Docker
- InfluxDB
- MQTT
- NATS
- OpenFGA
- OIDC/OAuth2
Languages
English
Native/ Bilingual
Spanish
Native/ Bilingual
References
References available upon request.
Timeline
Director of Software Engineering
Butlr
06.2022 - Current
Senior Software Engineer | Lead Backend
Mapped
06.2021 - 06.2022
Principal Software Engineer
XANT
05.2021 - 06.2021
Software Engineer III | Lead Backend
PriceSpider
03.2021 - 05.2021
Principal Software Engineer
NortonLifeLock
03.2019 - 03.2021
Principal Software Engineer
CU Direct
09.2018 - 03.2019
Sr. Software Engineer
Symantec
02.2016 - 09.2018
Senior Programmer
Moffatt & Nichol
11.2013 - 02.2016
Bachelor of Science - Computer Science
Humboldt State University
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