<SGM />

Professional Software Development

Custom web applications, React/Next.js development, and frontend architecture. Delivering production-ready solutions for businesses across Greece and Europe.

01 / services

Services

01

Frontend Development & Architecture

Modern web applications with React, Next.js, and TypeScript. Complex forms, multi-tenant systems, and component-driven architectures.

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02

Custom Business Applications

Tailored software solutions for your specific business processes, workflows, and requirements.

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03

Technical Leadership & Consulting

Frontend architecture, team leadership, code review, and engineering best practices for your development projects.

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04

Booking & Travel Platforms

Specialized experience building booking platforms for ferries, transport, and travel services.

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05

Enterprise & Government Solutions

Secure, compliant applications for enterprise clients and EU institutions with strict requirements.

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06

Performance & Accessibility

Optimizing web applications for speed, Core Web Vitals, accessibility standards, and cross-browser compatibility.

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02 / ai agents

AI agents that work for you. With humans at the wheel.

We build and deploy AI agents that automate repetitive work—processing documents, handling support tickets, back-office workflows, and integrating with your tools. Fast, intelligent, and always under human supervision.

Our AI agents handle time-consuming tasks like invoice processing, data extraction, customer support triage, and workflow automation. They integrate with your existing tools and adapt to your processes.

Every agent operates with human oversight. We review outputs, set guardrails, and monitor performance. Your data stays protected, and you stay in control.

No need to hire, train, or manage additional staff for repetitive work. Deploy intelligent automation quickly and easily, backed by our technical expertise.

01

Fast Deployment

Set up intelligent automation in days, not months. Start handling real work quickly.

02

Repetitive Work

Automate document processing, data entry, support triage, and routine tasks.

03

Human Oversight

Every output reviewed. We set rules, monitor performance, and maintain quality.

04

Your Data Protected

Secure handling, clear boundaries, no unauthorized access. You keep control.

03 / projects

Experience & Collaborations

Government & EU Institutions

ENISA Single Reporting Platform

Freelance/Contract
via Uni Systems·Frontend Team Leader

Led frontend delivery of ENISA's cybersecurity platform for national CSIRTs across the EU. Multi-tenant application with complex workflows for vulnerability reporting under NIS2 and Cyber Resilience Act. React, Next.js, TypeScript, Tailwind CSS, shadcn/ui, Keycloak authentication.

European Patent Office Applications

Freelance/Contract
via ARHS Developments·Senior Frontend Engineer

Maintained and developed internal web applications with complex interfaces for the EPO. Micro-frontend architecture, React, TypeScript, Tailwind CSS. Unit testing, cross-browser implementation, mentoring.

Travel & Booking Platforms

Let's Ferry Booking Platform

Freelance/Contract
Let's Ferry·Lead Frontend Engineer

Led UI development of ferry booking platform. TypeScript, React, Next.js, Tailwind CSS. Responsive booking flows, unit testing, cross-browser compatibility, and performance optimization.

Ferries in Greece Booking

Team Member
via Codibee·Frontend Developer (Team Member)

Developed GUI for Ferries in Greece booking platform with HTML, CSS, JavaScript, jQuery, and React.

Aegean Taxi Dispatch

Team Member
Aegean Taxi·Frontend Developer (Team Member)

Developed GUI for taxi dispatch application. React, Material UI, Reactstrap, DevExtreme. Led GUI structure, cross-browser testing.

Enterprise & SaaS

Axiomatics Product Features

Freelance/Contract
Axiomatics·Senior Frontend Engineer

Implemented new UI features in React and TypeScript. Extended shared UI library, Storybook coverage, SPA architecture integration.

Marketplaces & Product Companies

PeoplePerHour Platform

Team Member
PeoplePerHour·Senior Frontend Engineer (Team Member)

Worked on the PeoplePerHour freelance marketplace GUI. React, Redux, Webpack, Jest, Enzyme, Storybook. Reusable components, Webpack maintenance and upgrades, performance improvements.

Greeka.com Members Area

Team Member
via Codibee·Frontend Developer (Team Member)

Built members-area GUI for Greeka.com travel site using TypeScript and React.

04 / about

Experience & Expertise

SGM Software Developers is led by Sevastos Matzouranis, a Senior Frontend Engineer and Team Leader with more than 10 years of professional experience. Based in Greece, working fully remotely with clients across Greece and Europe.

Our founder recently led the frontend team building ENISA's Single Reporting Platform for national cybersecurity teams across the EU. Prior experience includes work for the European Patent Office, major travel and booking platforms, enterprise SaaS products, and marketplaces. We specialize in React, Next.js, TypeScript, complex UI architecture, and production systems that handle real-world requirements.

Technology Stack

React, Next.js, TypeScript, JavaScript, Tailwind CSS, shadcn/ui, Redux, Zustand, TanStack Query, React Hook Form, Zod, Material UI, Jest, Vitest, Cypress, Testing Library, Storybook

Education & Background

Bachelor's Degree in Applied Informatics in Management & Finance from the Technological Educational Institute of Messolonghi. Graduation thesis: complete time-off management platform with database design, web frontend, and institutional deployment.

05 / contact

Get in Touch