--- title: "Backend Development" url: https://manytomany.co/services/backend-development/ --- ![Vitalii](https://manytomany.co/vitalii-yellow.png) # Backend Development I’m a software developer, technical manager and solo entrepreneur. I have been building software products all my life. Hire me and my team to work on your **backend system**. [Book a call](https://calendly.com/many-to-many/intro) or [contact me](https://manytomany.co/#Contact) to learn more We build backend systems with a wide range of technologies. We use **TypeScript** and **Node.js** in our default stack. However, we are flexible and can use other technologies as needed. - TypeScript - Node.js - Express - NestJS - tRPC - PostgreSQL - MySQL - Docker - Ruby on Rails - FastAPI - Laravel - Django - AWS - Google Cloud Platform ## Advantages #### Cost-effective Save on expensive agencies and over-engineered solutions. I will help you to do more with less. #### Reliable No headaches from unresponsive freelancers and slow project managers. #### Personalized Services tailored for your specific business needs and budgets. #### Expert-led Decisions based on decades of experience. We have an extensive experience in building backend systems with a **wide range of features and technologies**. We will help you to create a system that is modular, scalable and easy to maintain. - Augmented Reality - Geolocation - Maps - Push Notifications - In-App Purchases - Audio/Video Streaming - Firebase - Chat & Messaging - Social Media Integration - Payment Gateways - Offline Mode - Widgets - App Clips / Instant Apps - Apple CarPlay - Android Auto - Apple Watch - Android Wear - Bluetooth ![Clutch](https://manytomany.co/3rdparty-logos/clutch.svg) ## Clutch See all **13** verified reviews > ★ ★ ★ ★ ★ 4.9 https://clutch.co/profile/factorial-complexity “…They are developers. …What distinguishes them is the high level of technical competency.“ Juan Sanabria, GuideOne Mobile “We have been very happy with the leadership and work product for more than four years we’ve worked together.“ Director, Consumer Insights Platform “…I can count on them for good value and fair pricing.“ Michael Lapico, Disrupt Studio “... they've gone the extra mile to suggest design and UX changes and have the talent/ability to make these changes.“ Amanda Pietrocola, CEO at Momentum Technology ![LinkedIn](https://manytomany.co/3rdparty-logos/linkedin.svg) ## LinkedIn See all **5** verified reviews > https://www.linkedin.com/in/wicharek/details/recommendations/ “…What I liked most about working with Vitalii is his focus on solving business problems.“ Ward Parsons Product Manager at iAwake Technologies “I've worked closely with Vitalii for several years on a number of different projects and enthusiastically recommend his skills as a project manager and developer.“ Henry Holmes Interactive Designer at GuideOne Mobile “Vitalii gives recommendations to align the product implementation with business objectives, and completes development work timely with high quality and accuracy.“ Sarah Evans Director of Partnerships and Operations at Stirred Inc. ![Upwork](https://manytomany.co/3rdparty-logos/upwork.svg) ## Upwork See all **31** verified reviews > ★ ★ ★ ★ ★ 100% https://www.upwork.com/freelancers/manytomany “...They built our platform almost from scratch, and took it all the way to production. Communication is excellent: clear, fast and honest, with regular demos and no surprises.“ Arnand Siem, Tota B.V. “…He and his team did exactly as promised, including spending less than the number of hours that he had estimated. Great job!“ Dale Ferrario, Make Life Great “Has consistently exceeded expectations. We worked with their team on a number of large projects requiring a deep and knowledgeable staff and an excellent skill set.“ CEO at Mobile App Development Company “I like to give honest reviews, and must say Vitalii is overall the best contractor I've worked with…“ Thomas Prestgaard, Afternorth Ltd. ![Good Firms](https://manytomany.co/3rdparty-logos/goodfirms.svg) ## Good Firms See all **6** verified reviews > ★ ★ ★ ★ ★ 5.0 https://www.goodfirms.co/company/factorial-complexity “Clearly understood the scope and delivered as per requirements.“ Founder at App Design Firm “Met all our expectations related to the projects.“ Raj Bhandari, CEO at Neem Labs Inc. “Have strong technical capabilities.“ CEO at Mobile App Development Firm ## Case Studies [(see all)](https://manytomany.co/case-studies) - ![Tota Match – AI Job Matching Platform icon](https://manytomany.co/content/case-studies/tota-match/icon.jpg) ## Tota Match – AI Job Matching Platform Tota Match is a Dutch job-matching platform that connects people and companies by what makes them happy at work. A team of two of our developers built the whole product almost from scratch: an AI onboarding chat, matching that explains itself, vacancies from a single sentence and a candidate deck for companies. ![Tota Match – AI Job Matching Platform case study preview](https://manytomany.co/content/case-studies/tota-match/cover.png) https://manytomany.co/case-studies/tota-match - ![Stirred – Web & Mobile App icon](https://manytomany.co/content/case-studies/stirred/icon.png) ## Stirred – Web & Mobile App Stirred is a digital cocktail companion app to help people unleash the potential of their home bar. It doubles as the consumer insights platform for brands. ![Stirred – Web & Mobile App case study preview](https://manytomany.co/content/case-studies/stirred/featured.png) https://manytomany.co/case-studies/stirred - ![iAwake Mobile Audio Player icon](https://manytomany.co/content/case-studies/iawake/icon.png) ## iAwake Mobile Audio Player We built the mobile application for iAwake Technologies. The app enables access to the audio content of the iAwake platform. This a full-featured audio streaming app. We built the backend that allows users to access their purchased content. ![iAwake Mobile Audio Player case study preview](https://manytomany.co/content/case-studies/iawake/featured.png) https://manytomany.co/case-studies/iawake - ![Kharkiv Architecture Manual icon](https://manytomany.co/content/case-studies/kharkiv-architecture-manual/icon.png) ## Kharkiv Architecture Manual Kharkiv Architecture Manual is a mobile and web application to help people explore the architecture of Kharkiv, Ukraine. It was built in collaboration with the non-profit "Urban Forms Center" on a tight budget. Still we were able to build a rich and extensible system which can be used for other cities. ![Kharkiv Architecture Manual case study preview](https://manytomany.co/content/case-studies/kharkiv-architecture-manual/cover.png) https://manytomany.co/case-studies/kharkiv-architecture-manual - ![Pathways – Pain Relief icon](https://manytomany.co/content/case-studies/pathways/icon.png) ## Pathways – Pain Relief The mobile application developed in React Native and Node.js. It provides a platform for users to track their pain and manage their pain relief. ![Pathways – Pain Relief case study preview](https://manytomany.co/content/case-studies/pathways/cover.png) https://manytomany.co/case-studies/pathways ## Related articles - ## How to Run MySQL on macOS with Docker If you need to run MySQL on your Mac (e.g. for development) one the good ways to do it with Docker. It is pretty straightforward to install and use. You can have multiple MySQL instances running side by side. Most importantly they can run different MySQL versions, including version 8. Which is still not supported by other popular option, MAMP. Here is a short guide how to get it up and running in no time. https://manytomany.co/blog/how-to-run-mysql-on-macos-with-docker/ - ## How to Get the Duration of a Remote MP3 File Sometimes you might need to get the duration of an audio file, located somewhere on the network. There are a lot of libraries for any programming language as well as command-line tools that can do that for a locally available MP3 file. However, downloading the full MP3 file might not be desirable. The problem with MP3 files is that the nature of the file format doesn't really allow for quick and easy extraction of the duration data. https://manytomany.co/blog/how-to-get-a-duration-of-a-remote-mp3-file/ ## Contact Let us know what are you looking for. We will reach out to you via the provided email with quote and follow up questions. Alternatively, [book a call](https://calendly.com/many-to-many/intro) or reach us directy by email [hello@manytomany.co](mailto:hello@manytomany.co). Or using your preferred messaging app: [![WhatsApp QR Code](https://manytomany.co/qr/qr-whatsapp.png)](https://wa.me/qr/QH6GQNCO5CZEO1)[WhatsApp](https://wa.me/qr/QH6GQNCO5CZEO1) [![Telegram QR Code](https://manytomany.co/qr/qr-telegram.png)](https://t.me/wicharek)[Telegram](https://t.me/wicharek) ## FAQ ### What’s your legal status? We provide services as **many-to-many sp. z o.o.**, a limited liability company registered in Wrocław, Poland. ### How is my confidentiality protected? Yes, we have a **non-disclosure clause** on our standard agreement. We also have a strict internal policy on data protection. If you need a **preliminary non-disclosure agreement** signed before a call, please, send over a filled document. If you you need a template you can [use ours](https://manytomany.co/files/NDA--many-to-many--COMPANY-NAME.pdf). ### Where is the development team located? We have a remote team of developers located in Central and Eastern Europe. The headquarters are in Wrocław, Poland. ### What is your timezone? Our standard working hours are in Central European Time (CET). We prefer asynchronous communication but recognize that occasional face-to-face calls are still necessary. We're flexible and have successfully collaborated with clients in locations with significant time differences.