# Mario Oliver

> Engineer and Storyteller

Location: New York, New York, United States
Profile: https://flows.cv/mariooliver

A creative who leverages technology in the pursuit of creating products customers love. Solving product-market fit in organizations and startups is a challenge that motivates my career.

## Work Experience
### Founding Engineer @ Keye (YC F24)
Jan 2024 – Present | New York City Metropolitan Area
Focused on scaling the engineer organization, building a hiring pipeline, defining the culture, standardizing the interview process, and scaling the eng org from 1 to 8.
Focused on the 0 to 1 of finding product-market fit while building product - quick iterations and continued refactoring to address bottlenecks of scale, including increasing parallelization for improved features. 
Full-stack software development. Front End: Javascript application in React, Nexjs, Tailwind.css; Backend: Python, Polars, Celery, Redis, PostgresSQL, SQLAlchemy, FastAPI.

### Chief Technology Officer @ WorkforceVisas
Jan 2025 – Present | New York, NY
- Architected and built the entire multi-tenant WorkforceVisas platform, including AI-driven document ingestion, OCR/RAG pipelines, automated USCIS pdf form generation, and secure role-based auth and portals.
- Designed a scalable, production-ready infrastructure using Node.js/Fastify, Prisma, Postgres, S3, Redis, and Docker, aligned with SOC-2–level security and reliability.
- Scaled and led the engineering team, establishing hiring processes, coding standards, sprint rhythms, and a clear technical roadmap that enabled fast iteration and stable growth.
- Owned end-to-end technical strategy, guiding product development, devops, and system design from MVP to a platform actively used by immigration teams.

### Volunteer Varsity Boys Basketball Coach @ Stuyvesant High School
Jan 2025 – Jan 2026 | New York City Metropolitan Area

### AI Full Stack Software Engineer @ Stealth AI Startup
Jan 2023 – Jan 2025
Developed, ideated, and launched AI-based startups and projects: 
- Bookd transforms reading with an AI-powered curriculum builder that adapts to user progress, tailoring personalized learning journeys to their pace and interests.
- PlanMyForever streamlines wedding planning by managing timelines and enabling real-time communication between couples, vendors, and guests, ensuring a seamless wedding day.

### First Engineering Hire @ Modus Planning
Jan 2023 – Jan 2024 | Washington DC-Baltimore Area
- Through customer-driven insights, created a set of APIs to externalize data, allowing users seamless integration into their current workflows.
- Full-stack developer building with Javascript, Node.js, React.js, Thunk utilizing technologies like EC2, ECS, MySQL, S3, IAM, CloudWatch, Auto-Scaling Groups, and Load Balancers.

### Founder @ MO FILMS LIMITED
Jan 2022 – Jan 2023 | Washington DC-Baltimore Area
- Launched a production company blending storytelling with strategic impact, driving creative growth and delivering measurable business results.
- Sold, produced, shot, and successfully built a case study for Kahoot!, showcasing its impact on education and leveraging visual storytelling to humanize and elevate the brand.
- Developed video-based marketing funnels for wedding venues and videographers, increasing lead generation and securing long-term collaborations.

### Senior Software and Infrastructure Engineer @ Capital One
Jan 2019 – Jan 2022 | Washington DC-Baltimore Area
• Key achievement: Managing the "single source of truth" API (infrastructure and code) and database for all customer financial data (transactions, accounts, account relationships). This API is used across all Capital One as a high-impact, high resiliency application used to show all financial data when a user logs in across web and mobile devices. Our API services 160 Million users handling 100,000+ TPS with availability and durability of 99.9^6.
Responsibilities:
- Developing Spring Boot RESTFUL APIs (microservices) leveraging AWS services for High Availability that utilize internal and public open source software and interact with a Cassandra Distributed Database
- AWS Cloud Infrastructure Management and Development - (EC2, ECS, Lambda, VPC, Route53).
- DevOps Deployment - Jenkins, Docker, AWS ECS for Cluster Management, Terraform for Infrastructure Deployment, Internal Tools for Traffic Migration
- Production Monitoring - Splunk, New Relic, DataDog, PagerDuty
- YBYO (You Build it You Own it) Approach to Infrastructure Management

### Senior Software Engineer @ Deloitte
Jan 2019 – Jan 2019 | Washington D.C. Metro Area
• Key achievement: Developed disruptive technology in the Asset Tracking IoT space for an 8-figure contract in the aerospace industry. Main responsibilities included using IoT SDKs to implement a native-Android application to facilitate the transformation of plane manufacturing operations to implement 1) real-time asset tracking, and 2) inventory dynamic-scheduling. 
• In short, Manufacturing operations can now see the progress of building a fleet of planes in real-time.

### Senior Software Engineer @ Booz Allen Hamilton
Jan 2017 – Jan 2019 | Washington D.C. Metro Area
• Key achievement: Promoted to senior software engineer, managing 3 software engineers, and delivered an optimized reporting platform with automated reports creation that saw significant improved system performance for ACL, Health and Human Services.

### Software Engineer @ Booz Allen Hamilton
Jan 2016 – Jan 2017 | Washington D.C. Metro Area
• Key achievement: Developed a fully scalable Native Mobile app leveraging AWS Cloud infrastructure for the Guard Your Health program, leading to the successful delivery of the app and exceeding the client's goal winning a contract extension for BAH with the Army.

### Duke Startup Challenge - Bundled (renamed Grocer) @ Duke University
Jan 2016 – Jan 2017 | Raleigh-Durham, North Carolina Area
• Key achievement: Worked on programming a fully-scalable beta mobile app using AWS infrastructure. Drove overall startup vision with continual ideation testing. Conducted market research with over 100 potential target customers through conversations, surveys, and an early MVP.

### Mobile Applications Developer @ YouFood
Jan 2015 – Jan 2015 | San Francisco Bay Area
• Key achievement: Implemented a new UI/UX and created new functionality for a cross-platform (Android and iOS) mobile application, including a new daily feed weighing content based on favoriting, nearby restaurant location services, and Facebook OAuth


## Education
### Bachelor of Science (B.S.) in Economics, Computer Science
Duke University

### Entrepreneurship Accelerator Program
New York University

### Certificate Program in Finance in Accounting and Finance
Georgetown University School of Continuing Studies


## Contact & Social
- LinkedIn: https://linkedin.com/in/mario-oliver

---
Source: https://flows.cv/mariooliver
JSON Resume: https://flows.cv/mariooliver/resume.json
Last updated: 2026-04-05