Milena Araujo

Web Engineer, Data Explorer, and Stationery Lover

Milena Araujo

Web Engineer, data curious.

Summary

Senior Software Engineer with extensive experience since 2016, driving impactful projects at Spotify, Raycast, and Nooga. Delivered high-quality software solutions, enhancing user experiences and system efficiency. Skilled in frontend development and community engineering, consistently contributing to innovative tech environments.

I’m a Senior Software Engineer with extensive experience since 2016, delivering scalable, high-performance web applications using TypeScript, React, and Node.js. I thrive in remote, cross-functional, and fast-paced startup environments, bringing a strong ownership mindset and passion for open source contributions.

My core strengths include web engineering, data-driven product optimization through A/B testing, and a deep user-centric focus. I excel at bridging technical execution with product impact while fostering collaboration and community engagement. I’m an effective communicator and enjoy mentoring and sharing knowledge within developer ecosystems.

Skills

  • React
  • HTML & CSS
  • Git
  • JavaScript
  • Typescript
  • Node.js
  • Data Visualization
  • Data Analysis
  • SQL
  • R
  • Python
  • Remote Collaboration
  • Mentoring
  • Public Speaking

Employment History

Senior Frontend Engineer @ Nooga

October 2025 - Present

  • Architected and built “License Checker,” a shared Azure Function backend service (TypeScript, Drizzle ORM, Postgres) integrated with Stripe and HubSpot, successfully refactored two core products to leverage it as a single source of truth for license verification.
  • Revamped the “Customer Tools” internal portal, building a database-management UI with Radix and TypeScript that instantly reflects real-time license and user-access changes in production, while executing a complete overhaul of the UX and branding.
  • Developing frontend features for “Navigator” (a GRC agentic AI platform), implementing real-time UI components like AI Chat and Document Matrix using TanStack, Server-Sent Events (SSE), and RAG streaming, supported by a custom-built database-service npm package.

Community Engineer @ Raycast

June 2023 - September 2024

  • Proactively reviewed over 200 public open source pull requests in TypeScript, consistently upholding exceptional code quality and best practices for Raycast Store extensions.
  • Authored and rigorously enforced comprehensive community and extension development guidelines, driving consistency and elevating standards across the entire platform.
  • Delivered expert technical support and guidance to users daily via email, Slack, and social media, significantly boosting developer engagement and satisfaction.
  • Cultivated a vibrant and collaborative community by actively addressing user feedback and championing knowledge sharing among extension developers.

Left the ecosystem stronger and more contributor-friendly than it was when I joined.

Software Engineer @ Spotify

August 2016 - October 2022

  • Spearheaded the development and maintenance of core features for the Spotify Web Player, Desktop Client (React), Embedded Widget, and Mobile Web Player, impacting more than 10M users. Partnered closely with designers to deliver intuitive, user-centric interfaces, and took full ownership of features from planning and implementation to testing, deployment, and iterative improvement—ensuring exceptional performance and scalability for millions of users.
  • Led cross-functional teams in designing and executing experimentation and A/B testing strategies for tablet and desktop clients, driving impactful, data-driven product enhancements and aligning stakeholders through effective OKR management.
  • Engineered significant optimizations to CI/CD pipelines, cutting deployment times by over 65 %, and orchestrated a seamless migration to a mono-repo architecture across web and desktop platforms.
  • Drove web infrastructure improvements, maintained platform reliability through active participation in on-call rotations, and strengthened the engineering team by interviewing candidates and onboarding new hires.

Researcher @ LSD - UFCG

March 2013 - July 2015

  • Conducted a large-scale quantitative analysis of millions of users across 100+ StackExchange Q&A communities, with a focus on STEM-related sites such as Stack Overflow.
  • Investigated behavioral differences between men and women contributors in STEM communities, addressing gender participation imbalance through data-driven methods.
  • Leveraged big data technologies, including MongoDB (NoSQL) and Python scientific libraries (NumPy, pandas, SciPy) for data extraction, cleaning, and statistical analysis.
  • Demonstrated that gender has minimal impact on user behavior, post quality, contribution levels, and engagement, with observed differences largely consistent with existing academic literature.
  • Developed expertise in quantitative research, statistical data analysis, and large-scale data processing.
  • Presented research findings at SACC 2016, demonstrating strong communication skills and the ability to convey complex data insights to diverse audiences.

Education

MS.c. in Computer Science @ UFCG

March 2013 - July 2015

Focused on CSCW. Dissertation theme: behavior differences between men and women in Q&A online communities, focused on StackExchange / StackOverflow.

Bachelor in Computer Science @ UFCG

March 2007 - November 2012

Courses and Certifications

Google Data Analytics Professional Certificate @ Coursera

January 2025 - March 2025