Stefanos –

A software development company that builds custom websites, web apps, and mobile apps with Laravel and Go. It works with established businesses on long-lasting software and helps founders ship MVPs in 4 to 8 weeks.

• Delivered contract software development with high-quality feature delivery and system architecture.
• Provided technical consulting through code audits, infrastructure optimization, and tech-stack selection.
• Led legacy migrations from monolithic systems to modern, scalable cloud environments.

A software development company that provides custom software solutions for enterprise clients, and is the official custom software supplier for a global insurance group's worldwide network. It has delivered 14 completed projects over a 6-year collaboration with that group's Greek branch.

• Owned the technical backbone by architecting and implementing core scalable services using Laravel.
• Guided critical features from initial database schema design through to successful deployment.
• Acted as the primary troubleshooter for complex production issues.
• Optimized deployment workflows for major clients.

A payment gateway provider offering card payment solutions with no hidden fees and no subscription required, allowing businesses to create sellers, automate payouts, and customize the payment experience.

• Developed payment solutions using PHP, TypeScript, and React.
• Ensured quality with PHPUnit and Jest.
• Contributed to CI/CD processes to enhance software delivery.
• Worked on the public js-sdk and payform solution.

A Greek online marketplace that allows users to buy and sell various products with an escrow service for secure transactions.

• Developed features on the online marketplace platform using Laravel, Vue, MySQL, and Redis.
• Worked occasionally on the Flutter mobile app.
• Collaborated with team members to implement Kanban methodology for project management.
• Conducted daily standups to review progress, identify obstacles, and adjust priorities as needed.
• Facilitated retrospectives to analyze team performance and optimize workflow.
• Built an ad moderation tool as a Vue SPA.
• Implemented the Promote Your Ad feature to increase ad impressions through paid promotion.
• Implemented a transportation request feature for heavy and oversized items on web and mobile applications.
• Created and consumed APIs for web and mobile apps.

Internal tools for a food production and distribution business. The main application handled human resources management and employee attendance through card check-ins, giving managers a single place to track staff records and working hours instead of paper sheets.

• Developed custom software for internal use, including a small application for human resources management and employee card attendance.
• Built the application using a custom PHP MVC framework.
• Deployed Docker containers hosted on DigitalOcean.

Online ordering platform and CRM for a national pizza delivery chain operating in Greece and Cyprus. The product let customers order online from their nearest store and gave store staff a live queue of incoming orders, while the CRM handled campaigns, customer data and reporting for head office.

• Managed both GR and CY websites as a full-stack Laravel developer.
• Created modules, API services, and new functionalities for CRM using custom PHP.
• Implemented Google Analytics-enhanced e-commerce.
• Replaced the old electronic payment service with a new provider (EveryPay.gr).
• Developed new Pizza Make logic for store view with order queue priorities.

Mobile endless runner game for iOS and Android, where the player runs through an ever-changing environment, dodges obstacles, collects pickups and chases a high score.

• Built core gameplay mechanics for an endless runner title in Unity3D and C#, including player movement, obstacle collision, and character controls.
• Implemented procedural level generation so each run produced a different sequence of obstacles and pickups.
• Developed scoring, progression, and in-game reward systems, and tuned difficulty curves based on playtesting.
• Optimized performance for mobile devices and fixed gameplay bugs reported during internal testing.