Karolina K.
Poznan, Poland
Web App Development and Design Expert | Enhance Your Solution Now
$35.00/hr
★ Discover Upwork’s 5 Star team of talented developers, app designers, and UI/UX masters ★
Unlock Your Brand’s Digital Intelligence with Data!
Is your current web application failing to meet the high standards your business prides itself on?
If it’s outdated, buggy, or hindering workflow, it could be time for some major enhancements.Why? Businesses that don’t adapt get left behind.
Or maybe you are starting your New Business and need to kick it off with a stunning app?
Do any of these ring true?
- My current web app is slow and full of technical bugs
- It distorts reports and has potential security issues
- The UX is close to unusable in modern times
- Critical business data is often missing or incorrect
- My current team lacks the technical knowledge to make improvements
We can improve your current web app and develop it into a cutting-edge tool for making data-driven decisions.
Data is a precious resource for any business. And without it, you lose time, money, and affect your ability to make profitable decisions.
You need an expert in implementing and developing Advanced Dedicated Web Applications that keep its users happy and leverages data for business growth.
Working with me, you can expect a partnership that prioritizes your needs and elevates your brand.
✅ Unrivaled Client Care with a Perfect 5-Star Track Record
✅ High-Quality Code Free From Bugs
✅ Fully Custom Web App Development Services (no templates)
✅ Project Management & Quality Assurance Guaranteed!
✅ Extra-Mile Mentality to Meet All Your Needs
✅ We Work Closely With You to Bring Your Vision to Life
✅ Become Part of a Satisfied Client Pool That Keeps Coming Back
Our services include: ● Software development ● Enterprise app development ● Digital transformation ● Product design ● UI/UX design ● MVP for Startups ● Team Augmentation
To help you: ● Outgun competitors in your niche ● Create a healthier online ecosystem ● Boost team morale through efficiency ● Become a technologically-driven business ● Evolve into an industry-leading brand ● Remove the headache and reap the benefits of data and analytics
We offer more than just application modernization. We’re your trusted advisors for creating a streamlined data ecosystem that fuels your brand in current times, from conception to design to finished product - and everything in between!
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As a Co-Owner of a Custom Web Apps Experts software house, I'm managing a team of 100% Professional & Innovative Programmers that live and breathe this industry. We’re always looking for cutting-edge, ambitious projects which allow the implementation of high-quality solutions.
Choosing my team is no leap of faith - you’re betting on The Best!
It’s why we’re able to create long-term partnerships with clients who consistently return and commission us for numerous projects.
We believe your business deserves world-class innovation, reliability, and technical finesse. Read our reviews to discover how we’re helping scale businesses across the globe.
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Domains: ● MarTech ● EduTech ● MedTech ● FinTech ● Data-driven ● Data Visualisation ● Dashboard ● SaaS ● APIs
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Technologies: ● JavaScript ● React ● Vue ● Angular ● Node.js ● C# ● .NET ● Python● Django● Elasticsearch ● MongoDB ● MySQL
Work history
Linking EHR Calendar to Google Calendar Using API
Aug 1, 2022
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Nov 24, 2022
Private earnings
Preparation phase for a Marketing Technology MVP
Jul 25, 2021
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Sep 17, 2021
"We've enjoyed working with this group of professionals. Our preparation phase has been very insightful and we've learned a lot of things that we ignored and now have so much…
Private earnings
Custom Business Web Application – MVP Development (React, Node.js)
Feb 22, 2021
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Jun 1, 2021
"I don't leave a feedback if the job is not completed to my satisfaction but I am taking time to leave a feedback to the team for the job well…
Freelancer's response
"Thank you for appreciating our effort with 5 starts in all categories once again! As always it was our pleasure, and we are looking forward to pushing the MVP to…Private earnings
MarTech Application using Laravel, Vue and Elasticsearch
Apr 6, 2020
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May 25, 2021
Private earnings
Project Plan Preparation for an MVP
Jan 27, 2021
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Feb 18, 2021
"It has been our second time cooperating with Web Bespokers and once again, they went the extra mile to meet our needs. The preparation stage for the Project Plan allowed…
Freelancer's response
"Thank you for your comprehensive feedback! We really appreciate the time you spent on giving us your feedback and are extremely happy that you enjoyed working with us. We also…Private earnings
Agency/freelancer needed for an app - alpha/beta testing and commercialization
Dec 4, 2020
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Feb 1, 2021
"We’ve really enjoyed our cooperation during alpha tests. Working with you was a great pleasure for us. We are very excited that we have already started a new business web…
Freelancer's response
"Thank you for your feedback, James! We are happy that you enjoyed working with us and found it easy to do so, even though we are in completely different time…Private earnings
Yii & WordPress Dev
Oct 29, 2018
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Jan 18, 2021
Freelancer's response
"Thank you very much for appreciating our work and for giving us the highest ratings in all areas. We're pleased that you're satisfied with the results of our efforts."Private earnings
Development of new features. Vue + Laravel Web Application
Dec 10, 2018
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Oct 9, 2019
"Very skilled team with high quality of work. Will be working with them again."
Freelancer's response
"Thank you for the positive feedback! Keeping up high-quality standards is our top priority. It is our pleasure to continue working with you and move on to the next phase…Private earnings
Heartbeat Frontent Development
Sep 20, 2018
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Jun 7, 2019
No feedback given
Private earnings
Transfer API connection and searchability from one server to another for streaming website
Jun 14, 2018
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Dec 10, 2018
"Worked with me on each aspect of the job and made it as simple as I had envisioned (unlike so many contractors!). A pleasure to work with the second time…
Freelancer's response
"Thank you for the positive feedback. We’re pleased that we managed to keep the delivery of the solution simple and that you enjoyed each aspect of our cooperation. We are…Private earnings
Lever API Webflow Integration
Mar 14, 2022
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Present
Job in progress
Private earnings
Bug Fixes and Documentation Custom Business Web Application – Development
Aug 2, 2021
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Present
Job in progress
Private earnings
Project Plan& MVP Development: Data-Driven Web App for Process Optimization (.NET Core, React)
Mar 11, 2021
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Present
Job in progress
Private earnings
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Skills
- SaaS
- Vue.js
- Laravel
- JavaScript
- PHP
- Web Application
- API Integration
- Angular