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Custom software development team

zerodays specializes in AI development, UX/UI design, web and mobile application development, business digitalization, process automation, and custom robotics software solutions. We build tailored technological solutions designed to enhance your users’ experience and exceed your expectations.

  • Min project size
    $10,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    10 - 49
  • Locations
    Ljubljana, Slovenia
  • Year founded
    Founded 2021

Overview by:

Reviewer avatar
Žiga Patačko Koderman

1 Locations

  • Ljubljana , Slovenia

Select Focus Area
Application Platforms
Other app platform
70%
Linux server
20%
Amazon Application Development Framework
10%
AI Technologies & Models
Anthropic
55%
Open AI GPT-3
45%
Frameworks and CMS
Django
10%
Other frameworks and CMS
10%
Programming & Scripting
Go
20%
Python
10%
SQL
10%
Typescript
10%
User Experience Focus
Industries
Information technology
25%
Business services
20%
Education
20%
eCommerce
15%
Medical
10%
Hospitality & leisure
5%
Manufacturing
5%
Clients
Small Business (<$10M)
100%
Certified in:
Web Development Custom Software Development React

Pricing Snapshot

Min. project size $10,000+
Avg. hourly rate $50 - $99 /hr
Rating for cost 5 /5

What Clients Have Said

Zerodays offers good value for cost, with project investments ranging from $10,000 to $49,999. Clients appreciate their responsiveness and adaptability, often highlighting the company's alignment with their budget and values, indicating a strong return on investment for software development projects.

This summary is based on verified Clutch reviews.

Most Common Project Size

$10,000 - $49,999 based on 9 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

Highly Rated Similar Providers

zerodays Review Insights

Overall Review Rating

5.0
  • Quality 5.0
  • Schedule 4.9
  • Cost 5.0
  • Willing to Refer 5.0

Top Mentions

Review Highlights

  • Positive Impact on Client Business Metrics

    Projects with zerodays led to positive outcomes such as increased user engagement, reduced churn rates, and time savings, demonstrating a tangible impact on client business metrics.

  • Quality Control and Assurance

    zerodays emphasized quality control and assurance throughout the development process, conducting regular testing to ensure reliable and secure products.

  • Flexibility and Adaptability in Projects

    zerodays demonstrated flexibility in handling project changes and adapting to client needs. This adaptability was crucial in dynamic project environments and contributed to successful collaborations.

  • High Client Satisfaction with Results

    Clients expressed satisfaction with the outcomes of their projects, noting improvements in user engagement, conversion rates, and overall functionality of developed solutions.

  • Minor Suggestion for More Proactive Updates

    One client suggested that more proactive updates without needing to ask could be helpful, though overall communication was praised as clear and effective.

  • Expertise in Mobile and Web App Development

    zerodays demonstrated proficiency in developing mobile and web applications across various industries, including education, research, and e-commerce. Clients appreciated their ability to create functional, user-friendly apps tailored to specific needs.

zerodays Reviews

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MVP Development for AI-Based Tuturing Company

  • AI Development Custom Software Development Web Development
  • Azure Platform React
  • Confidential
  • July 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They went far and beyond to help us develop what we wanted."

Sep 10, 2024
Founder, Astra AI
Andrej P. Skraba
Verified
  • Education
  • Ljubljana, Slovenia
  • 1-10 Employees
  • Online Review
  • Verified

An AI-based tutoring company has hired zerodays to develop an MVP. The team has built the MVP and developed features like chat and interaction with an AI tutor using Azure OpenAI Service services.

Custom Software Dev for Legal Services Firm

  • AI Development Custom Software Development IT Strategy Consulting
  • Confidential
  • June 2023 - June 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They were always solution-oriented and implemented a cost-performance approach."

Jun 4, 2024
Partner & Legal Counsel, Legal Services Company
Anže Skodlar
Verified
  • Legal
  • Ljubljana, Slovenia
  • 1-10 Employees
  • Online Review
  • Verified

zerodays set up an automated legal document for digital legal services, including automated legal document crafting services.

Personalized Nutrition Mobile App Dev for Research Company

  • Mobile App Development
  • React Native
  • $50,000 to $199,999
  • Jan. 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"I’m impressed with the quality of their work and ethics."

Apr 17, 2024
Senior Researcher, Jozef Stefan Institute
Barbara Korousic Seljak
Verified
  • Other industries
  • Ljubljana, Slovenia
  • 501-1,000 Employees
  • Online Review
  • Verified

zerodays has developed a personalized nutrition mobile app for a research company. The team’s tasks include project management and software development. 

Showing 11-13 of 13 Reviews

Our Story

We’re a small but diverse team covering every area of development. We work closely with our clients, communicate directly and frequently, and keep the feedback loop short - you’ll always be talking to the people building your product. That focus allows us to move fast, stay flexible, and deliver with care.

Meet the Team

Miha Majetič

Miha MajetičCEO

Žiga Patačko Koderman

Žiga Patačko KodermanCTO

What Sets Us Apart

Small Team

A compact team means direct communication, fast decisions, and quick reactions. You work closely with the people building your product, without layers, delays, or lost context.

Modern, Future-Focused Technologies

We use modern, proven technologies with a long-term view. We believe in choosing tools that scale, adapt, and stay relevant, so your product is built not just for today, but for what’s next.

Locations (1)

Tržaška cesta 2 LjubljanaSlovenia 1000

6 - 9

Contact zerodays

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Alen Faljic

Internavti

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Maja Gazvoda

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