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As a seasoned software developer, I bring 17+ years of experience delivering high-quality mobile, full-stack, and AI-powered applications across consumer tech, retail, and fintech. I enjoy solving complex problems, leading cross-functional teams, and shipping features used by millions of users. I thrive on building scalable, user-centric products with a strong AI focus and practical, maintainable architectures. I am passionate about leveraging AI to create impactful solutions, continuously learning new technologies, and mentoring others to grow their skills and deliver measurable value.…As a seasoned software developer, I bring 17+ years of experience delivering high-quality mobile, full-stack, and AI-powered applications across consumer tech, retail, and fintech. I enjoy solving complex problems, leading cross-functional teams, and shipping features used by millions of users. I thrive on building scalable, user-centric products with a strong AI focus and practical, maintainable architectures. I am passionate about leveraging AI to create impactful solutions, continuously learning new technologies, and mentoring others to grow their skills and deliver measurable value.

Antonio Casamassa

Full Stack Developer, Web Developer, App Developer, +2

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As a seasoned software developer, I bring 17+ years of experience delivering high-quality mobile, full-stack, and AI-powered applications across consumer tech, retail, and fintech. I enjoy solving complex problems, leading cross-functional teams, and shipping features used by millions of users. I thrive on building scalable, user-centric products with a strong AI focus and practical, maintainable architectures. I am passionate about leveraging AI to create impactful solutions, continuously learning new technologies, and mentoring others to grow their skills and deliver measurable value.…As a seasoned software developer, I bring 17+ years of experience delivering high-quality mobile, full-stack, and AI-powered applications across consumer tech, retail, and fintech. I enjoy solving complex problems, leading cross-functional teams, and shipping features used by millions of users. I thrive on building scalable, user-centric products with a strong AI focus and practical, maintainable architectures. I am passionate about leveraging AI to create impactful solutions, continuously learning new technologies, and mentoring others to grow their skills and deliver measurable value.

Available to hire

As a seasoned software developer, I bring 17+ years of experience delivering high-quality mobile, full-stack, and AI-powered applications across consumer tech, retail, and fintech. I enjoy solving complex problems, leading cross-functional teams, and shipping features used by millions of users. I thrive on building scalable, user-centric products with a strong AI focus and practical, maintainable architectures.

I am passionate about leveraging AI to create impactful solutions, continuously learning new technologies, and mentoring others to grow their skills and deliver measurable value.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Italian

Fluent

Swedish

Advanced

Work Experience

Freelance Senior Software Developer — AI & Full-Stack at Self-employed / Freelance

August 1, 2024 - Present

Architected and delivered end-to-end AI-powered applications for multiple clients, integrating ChatGPT API, LangChain, and voice-enabled assistants to automate customer support workflows. Built React + Firebase web applications with real-time data management, deployed via Docker and serverless infrastructure (Firebase Functions, AWS Lambda). Implemented CI/CD pipelines reducing deployment cycle time and ensuring zero-downtime releases. Integrated MidJourney AI for automated visual content generation, enabling clients to scale digital branding without manual design effort.

Senior Software Developer — Consumer Mobile App at Electrolux

August 1, 2022 - August 1, 2024

Owned end-to-end development of consumer-facing features in the official Electrolux mobile app (millions of global users) using Kotlin Multiplatform Mobile (KMM) for simultaneous iOS and Android delivery. Led the Alexa voice-assistant integration — connecting the Electrolux appliance ecosystem to Amazon Alexa, significantly expanding smart-home functionality. Contributed to software architecture decisions, driving adoption of best practices across the consumer accounts team. Maintained Agile/Scrum workflow; participated in sprint planning, code reviews, and cross-team stakeholder communication.

Android Senior Developer at H&M Group (via Cool Company)

September 1, 2021 - August 1, 2022

Developed and maintained a mission-critical Android in-store application deployed across H&M retail locations worldwide, enhancing associate-to-customer service capabilities. Consolidated multiple legacy applications into a single unified Kotlin-based app, improving maintainability and reducing incident rate. Managed CI/CD pipelines on Azure and provided technical mentorship to overseas development teams. Delivered new features on a bi-weekly sprint cadence within an international Agile team.

Lead Developer & Data Scientist — Algorithmic Trading Platform at Private Investment Project, Stockholm

July 1, 2020 - January 1, 2021

Co-founded and led technical development of an AI-driven algorithmic trading system covering FOREX, equities, commodities, and crypto markets. Built the ML pipeline in Python (Pandas, scikit-learn) with a Django RESTful backend and Angular frontend, enabling real-time market signal processing. Designed the system architecture with the goal of scaling into a fully automated hedge fund product.

Lead iOS Developer at Health & Nutrition Startup

February 1, 2017 - May 1, 2019

Served as sole iOS lead, delivering new features and resolving legacy bugs on a consumer nutrition app built in Swift with Objective-C interop. Implemented App Store receipt validation and RESTful API integrations, ensuring secure and reliable backend communication.

Mobile Developer (iOS & Android) / C# Developer at Cool Company

March 1, 2016 - May 1, 2017

Pivoted from a C#/.NET role to design and ship both iOS (Swift) and Android (Java) apps from concept to App Store / Play Store deployment. Delivered a mobile invoicing platform enabling field staff to generate, view, and manage invoices on the go.

Automation Specialist at Digital Marketing Agency

March 1, 2015 - May 1, 2016

Built a fully automated Twitter bot consuming the Twitter Stream API with basic AI/NLP logic to engage targeted audiences within a geographic radius, improving customer interaction at scale. Developed PHP-based automation tools for lead generation and user-behaviour tracking (website + email), eliminating manual reporting workflows.