Roberto Costantino

Available to hire

I'm a Web Developer with a backend focus, building reliable web applications in collaborative team environments. I bring ownership, responsibility, and loyalty to every project.

About

I’m a Web Developer with a backend focus, building reliable web applications in collaborative team environments. I bring ownership, responsibility, and loyalty to every project.

With over five years of experience leading and supporting teams of up to seven people in fast-paced settings, I communicate clearly, work under pressure, and deliver consistent results.

  • Joined January 2026

Languages

  • ItalianFluent
  • EnglishFluent
  • GermanIntermediate

Industry experience

  • Software & Internet
  • Media & Entertainment
  • Education
  • Professional Services

Projects · 3

MixScope is a web application designed to analyze audio tracks, optionally compared against a reference track, and provide technical feedback to support audio engineers during the mixing phase. The project was developed for a private individual and is currently used as an internal tool to deliver fast, reliable, and expert-level mix analysis.

Visit the case-study here: https://www.twine.net/signin

  • Full Stack Developer

MealMind is a recipe platform that helps users organize their meals and discover new dishes. It’s an open and community-driven space where everyone can share, search, and explore recipes from a global database.

Visit the app here: https://www.twine.net/signin

  • Full Stack Developer

AILMS is an educational learning platform designed to provide a personalized learning path across different subjects. The goal was to build a constructive and engaging tool where users can learn something new every day through tailored, AI-generated content.

Visit the app here: https://www.twine.net/signin

  • Full Stack Developer

Work experience

Full-stack Developer · FreelanceJan 2025 – Jan 2026 · 1 yr 1 mo

Led a team of 3 in designing and building a web application for audio track analysis; Integrated LLM to generate more accurate and context-aware mix feedback; Optimized the audio analysis pipeline and improved single-track analysis and A/B comparison performance by ~30% through more efficient feature extraction and asynchronous processing.

Event Organizer · Overground RecordsJan 2019 – Jan 2024 · 5 yrs 1 mo

Planned and executed music events from concept to completion, including venue scouting, artist coordination, and logistical management. Built relationships with artists, agencies, and partners; handled communication, scheduling, and contract negotiations. Planned and executed marketing campaigns and promotional materials, resulting in a 15% growth in event attendance.

Team Leader / Manager · Vox Bar, Grand Hyatt BerlinJan 2017 – Jan 2024 · 7 yrs 1 mo

Led a team of 7 to deliver consistent service, managed inventory and budget, created new menus, resolved complaints, and ensured smooth daily operations. Improved sales by 10% and reduced costs by 5% while maintaining guest satisfaction and high service standards. Managed a high-pressure hospitality environment requiring efficient operations and strong leadership.

Education

Audio Engineering Diploma · SAE Institute2018 – 2020

Certifications and awards

Web Development Certification2025
Python Certification2025

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