Milena Araujo

Web Engineer, Data Explorer, and Stationery Lover

Milena Araujo

Web Engineer, data curious.

Summary

FullStack Web Engineer with over 6 years of experience architecting and delivering scalable web applications using JavaScript, TypeScript, React, and Node.js. Consistently excel in remote, cross-functional, and fast-paced startup and enterprise environments. Demonstrated track record as an open source contributor with a strong ownership mindset, excelling in code review, CI/CD, and A/B testing. Recognized for clear communication, a relentless focus on user experience and product impact, and a commitment to continuous improvement.

Skills

  • React
  • HTML & CSS
  • Git
  • JavaScript
  • Typescript (basic)
  • Node.js
  • Data Visualization
  • Data Analysis
  • Data Cleaning
  • Tableau
  • SQL
  • R
  • Remote Collaboration
  • Mentoring

Employment History

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