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Experience boutique-quality software delivery.

300.codes is one of the fastest-growing 🚀 software design & development agency in Poland. We design interfaces that engage users and ignite your business growth. We develop apps that seamlessly integrate top-notch design, enabling your business to achieve remarkable sales results.

We believe that when working with technology, it's important to stay in touch with people. This drives us to offer boutique-quality software delivery focused on close personal interactions.

What we can do for you?

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    10 - 49
  • Locations
    Warszawa, Poland
  • Year founded
    Founded 2018

2 Locations

  • Warszawa , Poland
  • Lublin , Poland

Select Focus Area
Application Platforms
Amazon Application Development Framework
30%
Linux server
30%
Other app platform
30%
Azure Platform
10%
No Code Development
CMS Focus
Frameworks and CMS
Django
11%
Mobile Platforms
Programming & Scripting
PHP
25%
Python
20%
Typescript
20%
Industries
Consumer products & services
20%
Education
20%
Financial services
20%
Retail
20%
eCommerce
20%
Clients
Midmarket ($10M - $1B)
50%
Small Business (<$10M)
30%
Enterprise (>$1B)
20%

Pricing Snapshot

Min. project size $25,000+
Avg. hourly rate $50 - $99 /hr
Rating for cost 4.7 /5

What Clients Have Said

300.codes is praised for providing good value for cost, with clients noting competitive pricing that fits budgets. Specific project costs were not detailed, but the overall sentiment reflects strong satisfaction with the pricing versus the quality and outcomes of their services.

This summary is based on verified Clutch reviews.

Most Common Project Size

$50,000 - $199,999 based on 15 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

Highly Rated Similar Providers

300.codes Review Insights

Overall Review Rating

5.0
  • Quality 4.9
  • Schedule 4.9
  • Cost 4.7
  • Willing to Refer 5.0

Top Mentions

Review Highlights

  • Effective Communication and Collaboration

    300.codes excels in maintaining clear and open lines of communication, utilizing tools like Slack, Jira, and Confluence. Their collaborative nature ensures smooth project execution and alignment with client goals.

  • Strong Project Management

    Clients frequently praised 300.codes for their effective project management, timely deliveries, and proactive communication. Their ability to adapt to changing requirements and maintain transparency was a recurring theme across reviews.

  • Boutique Quality Service

    300.codes is recognized for providing boutique-quality service, focusing on personalized client interactions and tailored solutions. Their emphasis on understanding business goals and delivering accordingly is a noted strength.

  • Areas for Improvement in Documentation

    Some clients noted that while 300.codes is quick to address issues, the initial documentation handover, particularly for specialized integrations, could be more detailed to assist internal teams.

  • Technical Proficiency and Innovation

    The company's technical expertise, particularly in modern technologies like hybrid app development, Python, and React, has been highlighted. Their innovative solutions, such as integrating AI for enhanced search functions, were well-received.

  • Positive Impact on Business Performance

    Clients reported significant improvements in business metrics post-implementation of 300.codes' solutions, including reduced cart abandonment, increased user engagement, and enhanced operational efficiencies.

300.codes Reviews

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Web Dev for Legacy E-Pharmacy

  • Custom Software Development UX/UI Design Web Development
  • Confidential
  • May 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their depth in the pharma vertical."

May 14, 2026
Project Manager, wapteka
Justyna Banaś-Wróbel
Verified
  • eCommerce
  • Poland
  • 11-50 Employees
  • Online Review
  • Verified

300.codes replatformed a legacy e-pharmacy into a fully headless system with a mobile-first frontend built in Astro, Vue.js, and Tailwind CSS, paired with a Laravel backend. They integrated a PIM and a WMS.

SEO, Web UX/UI Redesign & Development for Financial Tech Co

  • Search Engine Optimization UX/UI Design Web Development
  • Confidential
  • Jan. 2024 - Feb. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"300.codes demonstrated exceptional collaboration and adaptability throughout the project."

Feb 28, 2025
Head of Marketing Data Analytics, Aasa Polska
Anna Wiatr
Verified
  • Financial services
  • Poland
  • 11-50 Employees
  • Online Review
  • Verified

300.codes provided web design and development for a financial technology company. The team was responsible for the UX/UI design process, including information architecture, UI design, SEO integration, and QA.

Gas Emmissions Calculator Design & Dev for European Bank

  • API Development Custom Software Development UX/UI Design
  • Amazon Application Development Framework
    +2
  • $50,000 to $199,999
  • Mar. - Sep. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"The technical expertise and innovative problem-solving approach of 300.codes stood out."
Nov 2, 2023
Project Manager, BNP Paribas Polska S.A.
Katarzyna Wielgosz
Verified
  • Financial services
  • Warsaw, Poland
  • 5,001-10,000 Employees
  • Online Review
  • Verified

300.codes designed and developed a custom gas emissions calculator for a European bank using Python and React. 300.codes was responsible for UI/UX design and integration of real-time data analytics.

Mobile App Dev for Software Company

  • Mobile App Development
  • Amazon Application Development Framework
    +2
  • Confidential
  • Feb. 2023 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"We look forward to engaging with them for future endeavors."

Aug 29, 2023
Co-Founder, Kuula
Bartek Drozdz
Verified
  • Other industries
  • Los Angeles, California
  • 1-10 Employees
  • Online Review
  • Verified

300.codes has maintained and enhanced a mobile app for a software company. The team has also cooperated with the client to design a POC for the app and to integrate it with their camera software system.

UI/UX Design & Web Development for Outsourcing Solution

  • UX/UI Design Web Development
  • WordPress CMS
  • $10,000 to $49,999
  • Aug. - Nov. 2022
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They were proactive in addressing our concerns and always ensured that we were satisfied with the project’s direction."

Jun 12, 2023
CPO, Epinote
Kacper Raszkiewicz
Verified
  • Other industries
  • Warsaw, Poland
  • 11-50 Employees
  • Online Review
  • Verified

300.codes designed and developed a website for an outsourcing solution company. The team created the site's UI/UX design and developed its technical aspects. 300.codes created a responsive and scalable site.

Mobile App Dev & Design for Wood-Based Product Manufacturer

  • Mobile App Development Other Design
  • $50,000 to $199,999
  • June - Dec. 2022
5.0
Quality
5.0
Schedule
5.0
Cost
4.0
Willing to Refer
5.0

"The 300.codes team drew my attention to risks I hadn’t thought of."

Jan 26, 2023
OMC Manager, SWISS KRONO Group
Maciej Karnicki Jr.
Verified
  • Manufacturing
  • Luzern, Switzerland
  • 5,001-10,000 Employees
  • Online Review
  • Verified

A wood-based product manufacturer hired 300.codes to design and develop a hybrid mobile app for iOS and Android. The team also performed a UX audit to identify problematic interface elements.

Staff Augmentation & Site Dev for Professional Services Firm

  • IT Staff Augmentation UX/UI Design Web Development
  • $50,000 to $199,999
  • Sep. 2020 - Oct. 2021
5.0
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0

"When we were at crucial moments of the project, they showed adaptability and understanding."

Oct 14, 2022
Vice Director, Professional Services Firm
Paweł Oleszczuk
Verified
  • Business services
  • Warsaw, Poland
  • 5,001-10,000 Employees
  • Online Review
  • Verified

300.codes augmented a professional services firm's development team to help them build an export promotion portal. They were responsible for the website's UI/UX design, development, and hosting infrastructure.

Custom Software Dev for Wood-Based Material Manufacturer

  • Custom Software Development
  • $50,000 to $199,999
  • Oct. 2021 - Feb. 2022
5.0
Quality
5.0
Schedule
5.0
Cost
4.0
Willing to Refer
5.0

"Their way of managing the project was at a very high level."

Aug 29, 2022
E-Commerce Manager, SWISS KRONO GROUP
Tomasz Gierat
Verified
  • Manufacturing
  • Zary, Poland
  • 5,001-10,000 Employees
  • Online Review
  • Verified

300.codes was hired to develop a web app for a wood-based material manufacturer to keep track of their operations, orders, and projects. They also provided wireframes and iterated several prototypes.

UI/UX Design for Lingerie Brand

  • UX/UI Design
  • Confidential
  • July - Nov. 2021
5.0
Quality
5.0
Schedule
4.5
Cost
4.5
Willing to Refer
5.0

"The whole team very carefully listened to all of our needs."

Jul 29, 2022
E-Commerce Manager, Lingerie Brand
Dorota Nieroda
Verified
  • Other industries
  • Bielsko-Biala, Poland
  • 51-200 Employees
  • Online Review
  • Verified

300.codes was hired by a lingerie brand to design the UI/UX of their e-commerce site. They started by defining the visual direction for the site's desktop version before pivoting to a mobile-first approach.

E-Commerce Development for Premium Cosmetics Company

  • E-Commerce Development
  • $10,000 to $49,999
  • Sep. 2021 - Ongoing
4.5
Quality
4.5
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"They're super oriented towards our business results."

Jul 10, 2022
Head of E-Commerce, Veoli Botanica
Marcin Szychowski
Verified
  • Other industries
  • Warsaw, Poland
  • 11-50 Employees
  • Online Review
  • Verified

300.codes provided e-commerce development services for a cosmetics company. They've automated the client's online store and improved its UI/UX design.

Showing 1-10 of 21 Reviews

Locations (2)

Burakowska 5/7 WarszawaPoland 01-066

31 - 40

Contact 300.codes

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