Yellow
About Yellow
Yellow is a bespoke software development company that has built over 40 products for clients from the USA and Europe. Knowing the markets and being tech-savvy, we put business needs first and build cutting-edge solutions to help you get the product you want.
Our team is highly experienced in these industries: Social media, Communication, Travel, Healthcare, Banking, Insurance. Whether it's Web Development, UX/UI Design, Machine Learning or Artificial Intelligence, the final product will be a true piece of art. Your app should be maintainable, scalable and future-proof, and we'll make it happen.
One of our core values is design. The technical expertise of our CTO combines with the creative experience of our designer-turned-CEO – mix in our skilled and talented UX/UI team and your perfect app is ready.
We pay close attention to the client's participation in product development. No hide-and-seek games, no murky processes. We don't disappear only to come back in six months with a product you didn't want. We communicate on a daily basis to make sure we are all on the same page.
We develop for these platforms with the help of a wide technology stack: Mobile (iOS, Android), Web, Wearables.
And to top it all off, we are real pros when it comes to everything real-time: chats, chatbots, audio, and video calls, voice assistants. We love doing them and we do them right.
Our main goal is to create business value, not just another piece of software. So if you want your future product to be truly special and competitive, contact us.
Yellow is a bespoke software development company that has built over 40 products for clients from the USA and Europe. Knowing the markets and being tech-savvy, we put business needs first and build cutting-edge solutions to help you get the product you want.
Our team is highly experienced in these industries: Social media, Communication, Travel, Healthcare, Banking, Insurance. Whether it's Web Development, UX/UI Design, Machine Learning or Artificial Intelligence, the final product will be a true piece of art. Your app should be maintainable, scalable and future-proof, and we'll make it happen.
One of our core values is design. The technical expertise of our CTO combines with the creative experience of our designer-turned-CEO – mix in our skilled and talented UX/UI team and your perfect app is ready.
We pay close attention to the client's participation in product development. No hide-and-seek games, no murky processes. We don't disappear only to come back in six months with a product you didn't want. We communicate on a daily basis to make sure we are all on the same page.
We develop for these platforms with the help of a wide technology stack: Mobile (iOS, Android), Web, Wearables.
And to top it all off, we are real pros when it comes to everything real-time: chats, chatbots, audio, and video calls, voice assistants. We love doing them and we do them right.
Our main goal is to create business value, not just another piece of software. So if you want your future product to be truly special and competitive, contact us.
Key Insights
Services & Focus
Industry Focus
Client Focus
Portfolio
Fairy
Mobile development: An entertaining app with audio fairy tales and lullabies.
The goal of the project: to build a perfect solution for children and parents to listen to fairy tales and lullabies while going to sleep.
Challenge:
- First time working with synchronized subtitles
Solution:
- Implementing SubRip and delegating this task to the indoor specialist
Tech stack:
- Java
- Swift
- Amplitude
- StackEdit
- Branch
- Firebase
- Appfigures
Bionorica
Web development: A web portal for an 80-year-old German pharmaceutical manufacturer.
The goal of the project: to rebuild the existing website.
Challenges:
- Site analysis
- Site optimization
- A multi-language interface
- Map integration
- Bilingual search implementation
Solutions:
- Structural design of the new website
- Reaching almost the highest site loading speed with GTmetrix and PageSpeed Insights
- Modification of the AWS configuration and various architectural elements
- A custom version of Google Maps
- Adding two separate fields—"English search tags” and "German search tags” via Contentful
Tech stack:
- CMS: Contentful
- Server-side rendering: React.js, Next.js, Node.js
CarbonSpace
Web development: A web platform for analyzing the level of air pollution.
The goal of the project: to optimize the display of a map and create statistics screens for users.
Challenges:
- Implementation of a map that displays farms and their exact territories and shows the zone of air pollution and clearings from the forests
- Implementation of screens with statistics on the map
Solutions:
- Rendering and clustering the map to reduce the number of requests to the server and the load on the user's device
- Rendering of React components for dynamic widgets and user statistics screens
Tech stack:
- React
- Redux
- Redux Saga
- TypeScript
- Mapbox
- Recharts
DinDon
Web development: A web platform for delivering goods from the USA to Kazakhstan.
The goal of the project: to create a web platform that would facilitate the shipment of goods from the USA to Kazakhstan
Challenges:
- Integrating a third-party warehouse (Ukraine Express) as a part of the platform to make sure we would have a storage facility for goods and could receive the most up-to-date information about orders
- Many scenarios of things that can possibly go wrong with the parcel during delivery: A barcode could be damaged or a warehouse employee could forget to register the order, etc.
Solutions:
- The warehouse cooperated with us and made several custom alterations to their API so we could smoothly integrate its services into the platform
- Implementing a cron job that runs once an hour and collects the necessary data and adding several webhooks that are triggered whenever the status of an order changes
Tech stack:
- PHP
- JavaScript
- MySQL
- Linux (LAMP)
OpenSense
Web development: A web conference management platform.
The goal of the project: to create a flexible and secure conference management platform that will work everywhere around the world.
Challenges:
- The Great Firewall of China
- Performance issues
Solutions:
- Choosing the suitable tech stack
- Simplifying the code and configuring the socket connections
Tech stack:
- React.js
- PostgreSQL
- Node.js
- Swagger API
- Baidu
Mobile Bank Application
Mobile development: A mobile app to accelerate financial operations.
The goal of the project: to realize the client’s idea for a mobile fintech banking app with features like sending and receiving international transactions and managing credit cards, and besides that with the opportunity to have the utmost security and data protection.
Challenges:
- Long forms for data submission and if something was entered incorrectly, a user would have to redo everything from scratch.
- Potentially high transaction fees from a receiving bank because of sending money abroad to relatives
Solutions:
- We have implemented a chatbot-like KYC flow that works as an ordinary form which allows us to implement and maintain this functionality quickly
- Allowing users to issue an additional physical card or duplicate of an existing card that can be sent to any location so that their relatives can use it from abroad
Tech stack:
- Swift
- Java Spring Boot
- Twilio Authy
- Twilio Conversations
- CoreData
- Firebase
BlackBird
Mobile development: A secure mobile messenger for business networking.
The goal of the project: to create a mobile messenger for building up and supporting their business network. One of the client’s requirements was that the app could provide its users with top-notch security.
Challenges:
- Providing the utmost level of security
- Inviting friends to the app and sharing contacts with other people
Solutions:
- Implementing several login options (Face ID, two-factor authentication via SMS code, password, and PIN number) + end-to-end encryption
- Integrating deep links via the React Native app
Tech stack:
- Backend: Nest.js
- Frontend: React Native, Next.js, Redux
- iOS: Swift
- Cloud: Twilio, AWS, Firebase, OneSignal
- Database: PostgreSQL
Cinnabar
Web development: Educational platform for teaching and studying esoteric and energy practices.
The goal of the project: to realize their idea of a user-friendly and uncomplicated platform that will connect gurus of various spiritual practices with people who want to learn more about the different teachings.
Challenges:
- Enabling the platform with a feature to create an account in Stripe for payments.
- Enabling teachers with the ability to start and manage online streams so that students can attend live classes
Solutions:
- The frontend collects all the necessary information for the Stripe account, then sends it to the backend, which, in its turn, creates a - Stripe Connect account for teachers to withdraw money safely
- Using Amazon Kinesis to write live streaming from scratch
Tech stack:
- Next.js
- React.js
- TypeScript
- AWS (S3, Cognito, CloudFront, Amplify, Kinesis, DynamoDB)
- GetStream.io
- GraphQL
- Stripe
Meateater
Web development: An all-around web solution for the renowned outdoor lifestyle company.
The goal of the project: to update the website and help create a solid community.
Challenges:
- Moving from WordPress to Contentful
- Implementing Elasticsearch
-
Solutions:
- Moving the website to Contentful CMS
- Integration of Elasticsearch and creation of an indexes system
Tech stack:
- Backend: Node.js, Express.js, MongoDB, Elasticsearch, Brightcove
- Frontend: Nuxt.js (Vue.js + SSR), Vuex, SCSS, Brightcove
- Authentication: Firebase
- Analytics: Facebook, Google Analytics, Hubspot, Klaviyo
- JavaScript testing framework: Jest
- Code Style: ESLint
- Error tracking: Sentry
- Database: MongoDB
- CMS: Contentful
Famlicious
Famlicious is a family chat app that connects users with their families. We implemented family chats, family member profiles, and user timelines. What’s more, Famlicious automatically builds dynamic family trees. The app also provides the ability to share photos and videos and create secure child accounts.
Racefully
Racefully is a mobile app that lets a user run virtually with up to seven friends in real-time. They just need to log into the Racefully app, invite friends, and stay connected throughout the entire run. The app keeps a record of all the runs with the personal stats of the user and their friends. Racefully can record the pace, effort and calories burned, and all the information will be stored in their personal history.
StickerBox
StickerBox is a cross-messenger app that turns faces into fun stickers using neural networks, computer vision, and intelligent object detection algorithms. Users just download the app, open it, take a selfie or choose a photo from the gallery, and then StickerBox automatically selects the best sticker templates. And if the selected template isn’t right, a user can choose one from all available templates.
7 pm Thursday: A Video-Centric Dating App
A video-centric dating app where you are anonymous until you receive a call.
Fireaway: A Single-Use Chat
Fireaway is the simplest chat. Create a single-use chat, invite others with a link. Close the browser tab, and the chat is gone.
BibleMania
Bible Mania is the fun, free Bible-themed trivia game that lets you test your knowledge of the Bible.
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