Marco Santos
Founding Software Engineer
Since my first Python challenge, I've embarked on an exhilarating journey. Coding is my passion and an ongoing quest to create accessible, high-quality software. With expertise in TypeScript, React, and Node.js, I've worked at the most diverse startups, consistently achieving remarkable results.
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Skills & Expertise
Specialized in building scalable, user-centric applications with modern technologies and best practices.
AI Integrations
Design Engineering
TypeScript
React
Node.js
Next.js
Firebase
Supabase
NestJS
React Native
Electron
Experience
A track record of building impactful products at high-growth startups and established companies.
Turing
Sep 2023 - PresentTechnical Interviewer • Remote • Part-time
- Conducted 1200+ technical interviews for React and Node.js developers
- Designed and implemented comprehensive interview process
- Mentored 15 junior interviewers on effective interviewing techniques
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Titan
Sep 2024 - Oct 2025Founding Software Engineer • New York, US
- Architected and built Titan's entire AI-powered meeting intelligence platform from zero to production
- Drove 83% active adoption rate among onboarded users, processing 2,465+ meetings
- Built relationship intelligence system identifying 229,000+ unique entities
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Sphere
Jan 2024 - Feb 2025Founding Software Engineer • Remote
- Developed core features processing more than $100 million in daily transaction volume
- Implemented secure payment flows, supporting 10+ currencies
- Built scalable UX with React and Tailwind CSS, increasing user engagement by 30%
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Arrakis
Oct 2023 - Dec 2023Prompt Engineer • Remote • Contract
- Designed 30+ innovative prompts for new customers, doubling customer base
- Revised existing prompts, boosting performance by 200%+ and increasing client satisfaction
- Created 5+ custom client workflows, expanding business opportunities
Aware Healthcare
Jan 2023 - Oct 2023Founding Software Engineer • Remote
- Pioneered the development of Aware Healthcare's mobile and web apps, successfully onboarding and scaling from 20 to 300+ beta testers
- Led the creation of over 25 innovative features in a fast-paced environment
- Solely responsible for building the company's entire initial codebase
Raise Financial
Jan 2023 - Jun 2023Senior Full Stack Software Engineer • Remote • Contract
- Led TypeScript codebase transition, reducing bug rates by 100% (from 50 daily alerts)
- Ensured quality and compliance in payment software, improving system reliability
- Implemented TDD and CI, achieving 100% code coverage (up from <10%)
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G2i
Apr 2022 - Jun 2023Technical Interviewer • Remote • Part-time
- Conducted 100+ technical interviews for Node.js, React Web, and React Native developers
- Admitted 40% of interviewed candidates to G2i platform
- Achieved 100% client satisfaction with no complaints about developer quality
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Caribou
Jan 2022 - Jan 2023Software Engineer • Remote
- Enhanced integrations with 10+ partner platforms
- Developed 4 REST-based integration flows, increasing data exchange efficiency by 30%
- Migrated major Ruby codebase to TypeScript, reducing system errors by 40%
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Nova A3
Sep 2016 - Jan 2022Rio de Janeiro, BR
Software Engineer
Jun 2021 - Jan 2022- Spearheaded design and development of a transformative platform that streamlined factory workflow
- Created an intuitive interface automating manual paper-based procedures
- Built responsive website, mobile app, and desktop management dashboard
Head of Import/Export Operations
Jan 2020 - Jun 2021- Led Nova A3's Import/Export department, managing global trade operations and production logistics
- Coordinated international partnerships, customs clearance, and product transportation to Brazil
- Tripled shipping frequency while maintaining quality and meeting customer deadlines
Head of Innovation & New Business Strategies
Sep 2016 - Jan 2020- Drove innovation at Nova A3's New Business Strategies department, collaborating with a multidisciplinary team from concept to launch
- Led strategic initiatives to advance business goals, creating an effective ideation flow and project pipeline
- Prioritized and monitored key projects, ensuring successful outcomes that directly enhanced company growth
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Get in Touch
Have a project in mind or want to discuss opportunities? I'd love to hear from you.
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