Maros Hluska — Resume

Summary

Senior Software Engineer with 8+ years of experience shipping consumer and enterprise products to millions of users. Specializing in React, TypeScript, and scalable frontend architecture.

Work Experience

Instacart
Senior Software Engineer Sr. Software Engineer
Remote
Jul 2022 – Present
- B2B Platform: Built enterprise features (spend limits, order approvals, tax exemptions, AI concierge chatbot) powering $3B GTV run rate across 100K+ activations with 37% retention for business profiles.
- White-label Expansion: Led client engineering for expanding Instacart Business to partner storefronts (Staples, GFS, Restaurant Depot), enabling B2B sales rep ordering workflows.
- Cross-Platform Delivery: Coordinated feature releases across web, iOS, and Android, defining technical architecture and leading cross-team alignment.
- Performance: Led home page latency optimization, improving page load times by 20% through monitoring and query optimization.
Cameo
Senior Software Engineer Sr. Software Engineer
Remote
Aug 2020 – Jul 2022
- Fan Clubs: Built Fan Clubs subscription platform with Stripe payment integration on React/Node.js, enabling recurring revenue across 40K+ celebrities.
Snap Inc.
Software Engineer Software Engineer
Venice, CA
Dec 2017 – Jun 2020
- Geofilters: Built React/Redux features for On-Demand and Community Geofilters plus internal content creation tools, reaching 190M+ daily active users.
Square (now Block), Nest, Coinbase
Contract Software Engineer Contract Software Engineer
Remote
2014 – 2016
Inkling, Square
Software Engineer (Intern) Software Engineer (Intern)
San Francisco, CA
2013 – 2014

Education

University of Waterloo

Bachelor of Mathematics Bachelor of Mathematics

Waterloo, ON

2016

Projects

Poker Bot: Game theory optimal bot using computer vision and precomputed game trees, profitably played 70K+ hands (lol.poker/bot)
Blackjack Simulator: Node.js-based probability simulation engine with training mode (blackjacktrainer.app)

Technical Skills

Languages: TypeScript, JavaScript, Python, Ruby, HTML, CSS, SCSS/Sass, SQL
Backend: Node.js, Express, Ruby on Rails, PostgreSQL, Redis, AWS, Docker
Tools: Git, Webpack, Babel, ESLint, Prettier, npm, yarn, Figma, Storybook
Frontend: React, Next.js, Vue.js, Redux, Tailwind CSS, Jest, Cypress, React Testing Library, GraphQL, Apollo Client, REST APIs, SSR, SPA, Core Web Vitals, Accessibility, Responsive Design, Context API, Emotion