logo

Top Quality Expertise for Fintech, HealthCare, and EdTech Startups

Partner with Yojji and see results fast. No exceptions. We'll craft the perfect solution or build a top tier team, ensuring long-term value, scalability and growth.

Trusted by Our Clients

A Matter Of Design - AI
Review
Yojji successfully delivered the project within schedule. They demonstrated excellent project management via weekly sprint demos and promptly made adjustments based on the client's feedback. Their responsiveness and collaborative attitude were key elements of their work.
Julian Leung
Product Manager
clutch5.0
Vala - Remittance Platform
Review
Yojji was an instrumental part of the client’s team, working closely with them to achieve the product’s success. The team was very collaborative and timely, and their performance was amazing. Additionally, their resources were experienced, professional, and enjoyable to work with.
Alon Zion
Alon Zion
Former Co-Founder
clutch5.0
Performlive Inc
Review
Yojii is impressive both in quality of development work as well as their commitment. Strong focus on delivery, highly technical personnel, flexible approach that allows for rapid development. Strong processes that allow for solid controls.
Rohit Mahajan
Rohit Mahajan
Executive
clutch5.0
OSU - Payment system
Review
We’re very happy with the way that Yojji works, which is why we’ve spent so much money and engaged them for such a long time. We treat them as employees in regard to responsibilities and expectations, and they haven’t disappointed us.
Noam Nevo
Noam Nevo
Co-founder
clutch5.0
Foresight Mobile
Review
As a company, we find Yojji to be excellent development partners - we cannot recommend them more highly and will be very happy to continue working with them in the future.
Gareth Reese
Gareth Reese
Managing Director
clutch5.0
ProServ
Review
They are really nice people with excellent technical backgrounds.
Bjorn Beyersdorff
Bjorn Beyersdorff
CEO, Founder
clutch5.0
CSI Helsinki - Legal
Review
We used Agile project management methodology and were in contact with the team and project manager daily.
Arvind Sedha
Arvind Sedha
Software Development Director
clutch5.0
Kurtosys Systems
Review
They all had a super positive outlook and were dedicated to getting the work completed to a high standard.
Philip Black
Philip Black
CEO
clutch5.0
Avenue - Management Solution
Review
Yojji has delivered an accessible product with thorough consideration for the client's requirements. Users have commented on the platform's user-friendliness and speed. Moreover, the team is easy to communicate with and provides frequent updates. Their development and design skills are impressive.
Lisa Ross
Lisa Ross
VP of Experience & Tech
clutch5.0
slider previous button
slider next button

Dedicated developers for hire

Alexey
Software Developer
Expert in
  • Dart
  • Flutter
  • React Native
Also worked with
  • TypeScript
  • Redux
  • RxJS
  • Lodash
  • NodeJS
  • Webpack
  • Express
  • Koa
  • Docker
Experience
8 years
Availability
Full-time
Julia
Software Developer
Expert in
  • React
  • React-Native
  • Angular
Also worked with
  • JavaScript
  • TypeScript
  • Redux
  • RxJS
  • Webpack
  • Gulp
Experience
6 years
Availability
Full-time
Boris
Software Developer
Expert in
  • NodeJS
  • Nest
  • React
  • React Native
Also worked with
  • Tailwindcss
  • Redux
  • Redux-Saga
  • Jest
  • Lodash
Experience
10 years
Availability
Full-time
Sonya
QA Engineer
Expert in
  • Test Design Techniques
  • Black/Grey Box Testing
  • Sanity, Smoke, Regression testing
Also worked with
  • Test Plan
  • Bug reports
  • HTML/CSS
  • SQL
  • API testing
  • Test cases
Experience
4 years
Availability
Full-time
Yaroslav B
Yaroslav
UI/UX Designer
Expert in
  • UI/UX
  • Web Design
  • Logo and branding
Also worked with
  • Figma
  • Sketch
  • Adobe Photoshop
  • Adobe Illustrator
  • Сorporate identity
  • Illustrations
  • Prototyping
  • Tilda
Experience
4 years
Availability
Full-time

Driving Forward: Lessons from 100+ Successful Projects

  • All Cases
  • Fintech
  • Healthcare
  • EdTech

Healthcare Booking Platform

Industry: Healthcare
Timeline: December 2024 - July 2025

Our team designed and developed a custom healthcare booking platform where patients can search doctors, view real-time availability, and book appointments in a few clicks. It’s a unified system that connects multiple medical institutions, handles payments, and synchronizes bookings with each clinic’s CRM. In 7 months, our client got a fully functional web application.

    Open full case

    A Platform for Investors

    Industry: Fintech
    Timeline: October 2024 - October 2025

    Our project is a web application for managing investments across stocks, crypto, and private equity. The request was to design, develop, and launch the platform with a focus on trading logic, data integration, and user experience. Our client received a fully functional, investor-ready platform with customizable dashboards and precise analytics.

    • React
    • Typescript
    • Node.js
    • Postgres
    Open full case

    Infinightly – Smart Social App

    Industry: AI
    Timeline: October 2024 - August 2025

    Infinightly is a social event management app for modern event creators and attendees. Over 10 months of collaboration, our Yojji’s team transformed the idea into a full-featured social ecosystem where users can effortlessly explore, organize, and manage every stage of their event journey. It also helps reduce event setup time by over 40%.

    • React Native
    Open full case

    AI-Powered Virtual Fitting Room

    Industry: Ecommerce, AI
    Timeline: August 2025 - October 2025

    The AI-powered Virtual Fitting Room is our solution that lets users mix and match outfits and instantly see how each look fits using an AI model or a personal photo. It helps fashion brands personalize shopping, increase conversions, reduce returns, and provide a confidence-driven user experience without complex integrations.

    • React
    • Tailwind CSS
    Open full case

    Jellibeans - AI Fashion Analytics Platform

    Industry: AI
    Timeline: March 2022 - October 2024

    Aggregating comprehensive real-time fashion market insights from diverse verified sources, Jellibeans transforms raw data into actionable strategies for brands and suppliers. By integrating advanced analytics with multiple dimensions, the platform ensures precise trend predictions and industry foresight.

    • React
    • Nestjs
    • Google Cloud Platform
    Open full case

    RideNow – Urban Rental App for Scooters and E-Bikes

    Industry:
    Timeline: January 2025 - October 2025

    The client needed a rental app that allows users to easily book, unlock, and pay for scooters, e-bikes, and e-motos. In just 5 months, our team delivered a fully functional, scalable urban rental app and admin system. It helps optimize logistics, reduce maintenance costs, and scale their services across different cities.

    • React Native
    • Postgres
    • JS
    • Nestjs
    Open full case

    StudyHall - Online platform for teachers and students

    Industry: EdTech
    Timeline: February 2024 - November 2024

    An innovative EdTech platform that leverages artificial intelligence to provide personalized learning experiences. It offers a wide range of interactive tools designed to help students and professionals enhance their knowledge, improve retention, and achieve their learning goals more effectively.

    • React
    • Node.js
    Open full case

    CSI Helsinki Leading Legal Software Solutions

    Industry: Legal
    Timeline: August 2021 - September 2023

    CSI – Creative Software Innovations is a software house devoted to developing solutions for the legal industry. The company stands out as a reliable and financially stable partner, offering advanced and continuously evolving software that helps law firms maximize efficiency and business value.

    • React
    • React Native
    • k8s
    • Docker
    • Nestjs
    • Azure DevOps
    Open full case

    STB Union — on a Mission to Make Finances Convenient for Everyone

    Industry: Fintech
    Timeline: February 2020 - Present

    STB Union, a major FinTech player, partnered with Yojji to evolve from a traditional currency exchange network into a modern financial marketplace. The project aimed to develop a secure, scalable platform for multi-currency wallets, international transfers, and digital card services, using React JS, React Native, and Java to enhance STB Union’s service offerings and strengthen its position in FinTech.

    • React
    • React Native
    • Java
    Open full case

    A matter of design

    Industry: Ecommerce, AI
    Timeline: June 2023 - November 2023

    Discover AMOD, an AI-powered interior design and furniture shopping platform in Hong Kong, transforming the design experience with user-centric technology. This case study reveals AMOD’s journey - its goals, achievements, and strategies - creating a digital space for design enthusiasts and furniture lovers, reshaping the furniture shopping experience.

    • Nestjs
    • Cloudflare
    • Postgres
    • Redis
    • Github actions
    • Docker
    • Terraform
    Open full case

    Worldwide Remittance SaaS Platform

    Industry: Fintech
    Timeline: Jan 2017 - Feb 2020

    Vala facilitates direct money transfers between businesses, reducing transaction costs and creating new revenue streams. Our team handled the UI design, revamped the application’s admin panel, and built a mobile version from scratch. Ultimately, we were given full autonomy over project design and development decisions.

    • React
    • React Native
    • Java
    Open full case

    Time Track System

    Industry: Workforce Management
    Timeline: Oct 2018 - Mar 2019

    The Time Machine app is designed to easily track and manage work hours. It features weekly timesheets for setting time frames and adding comments, all within an intuitive interface. We created this app to meet the client’s requirements, enabling employees to track task time by project and fostering streamlined team communication. Additionally, it provides top managers with tools to assess individual performance effectively.

    • Vue.js
    Open full case

    Covid-19 Symptom Screening & Tracking for Schools

    Industry: Healthcare
    Timeline: Mar 2022 – Present
(~1 year)

    Symptomatical is a symptom management system developed to help companies and schools reopen safely and proactively manage COVID-19 risks. Our team enhanced the platform with analytics tools, an admin dashboard, a secure authorization system, a dedicated landing page, and Stripe API integration. This solution supports daily health screenings, enforces safety protocols, and ensures seamless operational continuity.

    • React
    • React Native
    Open full case

    Social Network App

    Industry: Social Media
    Timeline: Jan 2020 - Apr 2020

    Our client is an exclusive network of over 800 high-net-worth individuals, including executives, entrepreneurs, and investors, dedicated to expanding business connections, sharing insights, and solving investment challenges. The company engaged our team to develop an online platform to streamline member interactions, support networking, and simplify meeting scheduling, enhancing community connections and collaboration.

    • React
    • React Native
    • Node.js
    Open full case

    Smart Health

    Industry: Healthcare
    Timeline: Feb 2020 - Sep 2020

    We developed a robust software solution for hospitals and medical centers to conduct remote health consultations and COVID-19 surveys, with a focus on informing patients about illness prevention. Our client needed a tool to survey patients, especially the elderly, assess their risk, and provide customized recommendations based on responses. Additionally, we enabled healthcare organizations to create and customize their own online surveys, enhancing patient support and safety.

    • React
    • React Native
    • Node.js
    Open full case

    Cross countries payroll solution for SMB

    Industry: Fintech
    Timeline: Oct 2018 - Aug 2019

    Payroll is a $1.2b cloud-based solution enabling companies of all sizes to manage global payroll, facilitate direct money transfers, and oversee payment cycles. They approached us in January 2019 to build this system on their financial and legal infrastructure. Yojji led the front-end development, including design, and contributed to back-end tasks. Through close collaboration and our team’s expertise, we successfully developed an efficient payroll system from scratch.

    • Angular
    Open full case

    Payment system for entrepreneurs from scratch

    Industry: Fintech
    Timeline: Mar 2020 – Oct 2022

    Osu supports sole traders with a business management and payment app integrated with accounting software. The client initially asked us to design and develop the front end for their open-banking service, including a payment widget and admin system. Yojji delivered a widget and dashboard for merchants to track payments, manage users, and customize features. After a successful MVP launch, we continued developing an app to create and track payment requests. Today, we’re actively enhancing the mobile app with new features.

    • React
    • React Native
    Open full case

    Investment application for parents

    Industry: Fintech
    Timeline: Apr 2020 - Oct 2020

    This feature-rich financial mobile app offers investment opportunities for parents looking to secure their children's futures. They approached us to build this innovative fintech platform from scratch. In just three weeks, we successfully delivered a fully functional MVP within a tight timeframe, meeting all client expectations.

    • React Native
    • React
    Open full case

    Workforce Management Solution

    Industry: Workforce Management
    Timeline: Jun 2019 - Nov 2019

    Avenue tasked us with creating a platform for large companies, allowing employees to set development goals, schedule lectures, receive notifications, and give feedback. Using Scrum with two-week sprints, our PM ensured smooth communication and quick issue resolution. After launching the MVP, we provided biweekly updates, efficiently incorporating client feedback and new features.

    • React
    • React Native
    Open full case
    slider previous button
    slider next button
    Meet Yojji

    Founded in 2016 by three visionary software engineers,
the company was born out of a shared commitment to redefining
the client experience in software development. With a focus  on prioritizing client success, they built a culture grounded
in knowledge sharing, mutual support, and true collaboration.

    8+
    years on the market delivering value to our clients
    50+
    team members
    100+
    happy clients conquering the market with our software
    Ready to grow by developing top-quality software at your company?

    Technologies and tools

    Front-end
    Back-end
    Mobile
    AI
    At Yojji, we specialize in building quality software. By leveraging industry expertise and agile tools, we ensure the efficiency and scalability of your software.
    html
    Html
    next
    Next
    vue
    Vue.js
    typescript
    Typescript
    css
    CSS
    react
    React
    angular
    Angular
    Tanstack
    Tailwind CSS
    Shadcn
    Ant Design
    js
    JS

    Have an idea? Let’s work together

    Fill out our contact form for a free consultation, or book an online meeting directly via the Calendly link.
    We discuss your project even if you have just an raw idea.
    We choose a model and approach that are suitable for your case and budget.

    Let's do a first step

    By submitting this form, you agree to our Terms of Use and Privacy Policy.

    Meet up in person

    NL, Amsterdam

    Ildar Kulmuhametov
    Ildar Kulmuhametov
    CEO, Co-Founder

    USA, Austin TX

    Yevhen Piotrovskyi
    Yevhen Piotrovskyi
    CTO, Co-Founder

    Spain, Madrid

    Timofey Lebedev
    Timofey Lebedev
    COO, Co-Founder
    arrow