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I will develop web mobile app scalable aws ui ux design development
Marcin Walczyk
Vetted Pro
Top Rated
5,0
5,0
Geprüft von Fiverr Pro
Marcin Walczyk wurde vom Fiverr Pro-Team aufgrund besonderer Expertise ausgewählt.
Über diesen Service
At Inventively LLC, we build high-stakes, end-to-end apps for web, mobile, AI, and hardware. With 10+ years of expertise, we help entrepreneurs and organizations turn ideas into scalable, revenue-driving products.
Our projects typically range from $20k to $100k and run 1 to 5 months. We cover the full cycle: product workshops, UI/UX design, scalable architecture, development, and long-term support. Clients have achieved over $2,000,000 per year in in-app purchases under our guidance.
We are an official RevenueCat technology partner, a San Francisco company valued at $500M with $100M+ raised, powering over $8B in annual transactions. This gives our clients proven subscription monetization and growth strategies.
We specialize in profitable software businesses that last. Mobile and web apps, AI solutions, hardware integrations, payments and cloud systems, and reliable maintenance.
Kindly contact me: Contact seller -> Ask a question.
Lerne Marcin Walczyk kennen
Marcin Walczyk
Vetted Pro
We build profitable software businesses: Marcin, CEO Inventively LLC
Top Rated
Marcin Walczyk ist Teil des Fiverr Pro-Katalogs und wurde von einem spezialisierten Fiverr Pro-Team basierend auf Fähigkeiten und Fachwissen sorgfältig ausgewählt.
Geprüft für
Mobile App-Entwicklung
Wartung mobiler Apps
- AusVereinigte Staaten
- Mitglied seitFeb. 2019
- ⌀ Antwortzeit1 Stunde
- Letzte Lieferung5 Monate
Sprachen
Englisch
Build scalable mobile, web, AI, and computer vision apps with a top-tier engineering team at your side. Leverage our expertise in development, design, payments, and marketing integrations.
As an official RevenueCat technology partner, a San Francisco-based startup that has raised over $100 million in funding, is valued at $500 million, and powers a platform processing over $8 billion annually, we're ready to help you achieve great success.
We build long-term partnerships with entrepreneurs who need a reliable tech team to deliver and maintain the software behind their growing business.
Mein Portfolio
FAQ
By working with Inventively LLC will I get direct contact with Marcin?
Yes, by working with Inventively, you'll have direct contact with Marcin. His unique expertise in transforming app businesses into profitable entities ensures your project receives the best guidance. We take on a limited number of projects, ensuring you get the dedicated focus you deserve.
Can you sign in an NDA? ( Non-disclosure agreement )
Absolutely. We value confidentiality. I encourage NDAs and can use yours or provide our template. Rest assured, only essential team members access your data, ensuring your project's security and peace of mind.
What kind of access and control will I have over my project during development?
As our client, you will have real-time access to project progress, budget management, and goal status, ensuring full transparency and control at every step.
Do I have ownership of my mobile application, including the code?
Yes, you are the owner of Intellectual Property rights at all times.
Will you assist me in uploading my Android app to the Google Play Store? / my iOS app to the Apple Store? How?
Yes, of course. We will upload your Android application to the Google Play Store and your iOS app to Apple Store. It is also a part of our app development process. We will also guide you through the app setup on the stores regarding the marketing materials and descriptions.
Bewertungen
35 Bewertungen für diesen Service
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Zusammensetzung der Bewertung
- Kommunikation
- Qualität der Lieferung
- Preis-Leistungs-Verhältnis der Lieferung
Sortieren nach:
Am relevantesten
R 
reachgiant
Vereinigte Staaten
Working with Marcin was honestly a great experience. He and his team think long term, ask the right questions, and genuinely care about outcomes that matter. The level of business awareness and reliability really stands out.
1.000 $-2.500 $
Preis
2 Wochen
Dauer
Hilfreich?T 
timh80
Großbritannien
Laufende ZusammenarbeitGreat experience with the team. They helped with our iOS and Android app development, and the quality of their work was excellent. I highly recommend them.
1.000 $-2.500 $
Preis
10 Tagen
Dauer
Hilfreich?L 
lucabisacchi
Großbritannien
Laufende ZusammenarbeitI had another session with Marcin and his senior team member, and as always, it exceeded expectations. Their clarity, honesty, and deep technical understanding make every consultation genuinely valuable. Highly recommended.
200 $-400 $
Preis
12 Tagen
Dauer
Hilfreich?K 
karimguettache
Niederlande
Laufende ZusammenarbeitThe contribution from the team to our SaaS web app was excellent. They focused on scalability and ensured the project can handle future growth without technical barriers. Thanks Marcin!
1.000 $-2.500 $
Preis
2 Wochen
Dauer
Hilfreich?W willlee952
Kanada
Inventively team improved my app to support a growing number of users. The updates provide better data tracking and insights into how users interact with the app. It’s great having such a reliable tech partner! Thank you!
1.000 $-2.500 $
Preis
13 Tagen
Dauer
Hilfreich?
Bewertungen
35 Bewertungen für diesen Service
| (35) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Zusammensetzung der Bewertung
- Kommunikation
- Qualität der Lieferung
- Preis-Leistungs-Verhältnis der Lieferung
Sortieren nach:
Am relevantesten
R reachgiant
Vereinigte Staaten
Working with Marcin was honestly a great experience. He and his team think long term, ask the right questions, and genuinely care about outcomes that matter. The level of business awareness and reliability really stands out.
1.000 $-2.500 $
Preis
2 Wochen
Dauer
Hilfreich?T timh80
Großbritannien
Laufende ZusammenarbeitGreat experience with the team. They helped with our iOS and Android app development, and the quality of their work was excellent. I highly recommend them.
1.000 $-2.500 $
Preis
10 Tagen
Dauer
Hilfreich?L lucabisacchi
Großbritannien
Laufende ZusammenarbeitI had another session with Marcin and his senior team member, and as always, it exceeded expectations. Their clarity, honesty, and deep technical understanding make every consultation genuinely valuable. Highly recommended.
200 $-400 $
Preis
12 Tagen
Dauer
Hilfreich?K karimguettache
Niederlande
Laufende ZusammenarbeitThe contribution from the team to our SaaS web app was excellent. They focused on scalability and ensured the project can handle future growth without technical barriers. Thanks Marcin!
1.000 $-2.500 $
Preis
2 Wochen
Dauer
Hilfreich?W willlee952
Kanada
Inventively team improved my app to support a growing number of users. The updates provide better data tracking and insights into how users interact with the app. It’s great having such a reliable tech partner! Thank you!
1.000 $-2.500 $
Preis
13 Tagen
Dauer
Hilfreich?
