astarios GmbH
astarios GmbH helps companies worldwide by building advanced software and scaling their remote engineering capacities. Founded by Reto Kaeser from Switzerland and Andreas Lepenets from Ukraine, astarios has vast experience in software development and staff augmentation.
$50 – $99 / hr 
10–49 employees 
Switzerland 1. Company Overview
Astarios GmbH is a software development company headquartered in Germany, specializing in UX/UI design, web delivery, and modern frontend engineering. The company works with product teams and businesses to translate strategic design systems into scalable web experiences using technologies such as Figma, React, Next.js, and headless CMS frameworks. Astarios places a strong emphasis on digital accessibility, performance optimization, and cross-platform consistency to help clients build robust and user-centric products.
Astarios follows an agile and iterative development methodology that emphasizes early collaboration, prototype-driven design validation, and continuous integration throughout the delivery lifecycle. Its delivery model combines UX/UI expertise with full-stack engineering capabilities, enabling seamless transitions from design system concepts to production-ready web applications.
The company has delivered numerous web projects and consulting engagements that improve user engagement, enhance performance, and support long-term maintainability through clean architectural practices and accessibility best-practices.
• Founded: 2019
• Location: Berlin, Germany
• Company Size: 10–49 employees
• Hourly Rate: $50 – $99 / hr
• Delivery Centers: Germany, Europe
• Projects Delivered: 80+
• Reviews: 4.9 / 5.0
2. Technologies & Tools
UX/UI & Design Systems:
Figma, design system creation, responsive interfaces
Web Development:
React, Next.js, modern JS/TS stacks
Headless CMS:
Contentful, Sanity, Strapi
Accessibility & Performance:
WCAG compliance, Lighthouse performance optimization
Frontend & Static Delivery:
Jamstack, SSR/SSG with Next.js
DevOps & CI/CD:
Automated pipelines, build optimization
3. Industry Focus
Digital Platforms & SaaS:
Scalable web applications and data-driven interfaces
Media & Content Platforms:
High performance content delivery systems
E-commerce & Retail:
Conversion-focused experiences and UX optimization
Tech & Product Startups:
Product design and frontend delivery
Corporate Web Presence:
Accessible enterprise web systems
4. Key Clients
• Digital Innovation Platform (verified from Clutch)
• E-commerce Brand (reviewed project)
• Technology Services Company
5. Client Feedback
“Astarios delivered high-quality frontend development while keeping a strong focus on UX and performance. Their communication and delivery rhythm were excellent.”
“The team’s ability to translate design systems into performant web applications was very impressive.”
6. Why Choose Astarios GmbH?
Design-Led Engineering
Strong competency in bridging UX/UI design systems into scalable frontend implementations.
Modern Web Delivery
Expertise with Next.js, headless CMS, and high-performance architecture.
Accessibility & Quality Focus
Commitment to accessible and performance-optimized web experiences.
Agile & Responsive Delivery
Iterative development with responsive communication and clear milestones.
Summary
Astarios GmbH is a Germany-based software development company focused on UX/UI design, web application delivery, and modern frontend engineering using tools like Figma, React, Next.js, and headless CMS technologies. With agile practices and expertise in accessible, performant web systems, the company helps clients deliver high-quality digital experiences.