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Yevhen Piotrovskyi
Chief Technology Officer
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Healthcare application development

We develop effective healthcare applications that simplify personal healthcare management, optimize various operations, increase workload efficiency, and improve customer service.

Our Values

Scalable

With our mobile development services, we create a custom application. Owing to a well-designed architecture, the application can easily handle a growing user base without sacrificing performance or the quality of the user experience.

Stable

Our first-class developers provide a highly stable product. Through the use of quality assurance and DevOps services, all applications are sustainable.

Fast

We conduct compatibility, usability, performance, security, and speed testing to deliver lightweight and fast mobile digital solutions that retain users and drive revenue.

Thoughtful architecture

Highly skilled architects create a well-designed infrastructure that will handle the scaling, traffic load, and advanced functionality of your mobile solution perfectly.

Thoughtful architecture

A professional team delivers a digital product of a reasonable size so that users can easily download and view your app. This will enhance user experience and reduce the rate of failures.

Compliant

Yojji builds mobile solutions according to the requirements that the Google Play Store and Apple App Store provide. Therefore, all applications go through moderation seamlessly.

Collaboration models

Custom development

Our cutting-edge services add value to your company, help automate processes, and increase productivity and revenue. Besides, we partner with startups and bring their ideas to life.
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Discovery
02
Design
03
Development
04
QA testing
05
Deployment
Custom development

Dedicated team

Yojji has a diverse pool of talent with deep technical expertise that focuses on the business’s goals and requirements. Our team provides high-quality deliverables on time and within budget.
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The pool of the best talents
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Fast start
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Full-time dedication
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Teamwork
Dedicated team

Staff augmentation

If you require additional resources to cooperate with your in-house development team, our highly experienced professionals are ready to bring their skills to the table and fill certain skill gaps.
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The pool of the best talent
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Fast start
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Full-time dedication
Staff augmentation

StudyHall - Online platform for teachers and students

Industry: EdTech
Timeline: February 2024 - November 2024
Country: United Kingdom
React
Node.js

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.

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CSI Helsinki Leading Legal Software Solutions

Industry: Legal
Timeline: August 2021 - September 2023
Country: Helsinki, Finland
React
React Native
k8s
Docker
Nestjs
Azure DevOps
Microsoft SQL

CSI Helsinki, a top software provider for the legal industry, offers a robust desktop application that streamlines lawyers' workflows with task tracking, invoicing, and communication tools. Known for its reliable service, CSI Helsinki has built a strong reputation as a trusted partner for law firms.

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

Industry: Fintech
Timeline: February 2020 - Present
Country: Israel
React
React Native
Java

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.

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A matter of design

Industry: Ecommerce, AI
Timeline: June 2023 - November 2023
Country: Hong Kong
Remix
Nestjs
Cloudflare
Supabase

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

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Worldwide Remittance SaaS Platform

Industry: Fintech
Timeline: Jan 2017 - Feb 2020
Country: Israel
React
React Native
Java

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.

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Time Track System

Industry: Workforce Management
Timeline: Oct 2018 - Mar 2019
Country: Ukraine
Vue.js

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.

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Covid-19 Symptom Screening & Tracking for Schools

Industry: Healthcare
Timeline: Mar 2022 – Present
(~1 year)
Country: USA
React
React Native

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.

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Healthcare Application Development FAQ

If any of the questions haven’t been covered yet, in this section, you may probably find the answers.

Types of Healthcare Apps
How to Develop a Healthcare App
Compliance to Consider in Health App Development
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

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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
Yojji logo
Let’s talk about your project
Meet up in person

NL, Amsterdam

Ildar Kulmuhametov
Ildar Kulmuhametov
CEO, Co-Founder

USA, Austin

Yevhen Piotrovskyi
Yevhen Piotrovskyi
CTO, Co-Founder
Clients say about us
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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 - A Matter Of Design | Property Tech & Artificial Intelligence

5.0

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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, Vala

5.0

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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, Performlive Inc

5.0

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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 of OSU

5.0

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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
Marketing Manager

5.0

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They are really nice people with excellent technical backgrounds.
Bjorn Beyersdorff
Bjorn Beyersdorff
CEO, Founder

5.0

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We used Agile project management methodology and were in contact with the team and project manager daily.
Arvind Sedha
Arvind Sedha
Software Development Director

5.0

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They all had a super positive outlook and were dedicated to getting the work completed to a high standard.
Philip Black
Philip Black
CEO

5.0

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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, Avenue

5.0

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