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November 18-21
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Yevhen Piotrovskyi
Chief Technology Officer
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Fintech application development services

If you are up to building a fintech app, we’ve got you covered. We provide various fintech development services and deliver mobile banking apps, payment apps, and financial management applications to help our clients get ahead and stay there.

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.

Small bundle size

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.

Process

Research

Research

At this stage, the needs of the market, and your competitors’ offers are analyzed, and brainstorm ideas for your future product are brainstormed. Then a development plan is created, including the technologies used, APIs, and code libraries.

    UI/UX

    Development

    QA

    Launch

    Our Approach

    Yojji is ready to solve all the challenges your business may have. We have enough knowledge and experience to build cutting-edge mobile solutions that cater to your business needs. Our specialists have flexible development capabilities and use an Agile approach to fintech application development. This incremental development approach means that the development process is divided into certain sub-models, also known as mini-projects. Thanks to using this iterative approach, you get a risk-free application of high quality because every module is tested after it is completed. Besides, the development process can be customized at any stage. On top of that, this approach puts a strong emphasis on collaboration, so that developers have a unique opportunity to work closely with customers to understand their vision to deliver the best results. Last but not least is that due to a well-planned and carefully executed development process, you can easily plan your budget.

    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.
    01
    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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    Frequently asked questions

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

    What is the tech stack you work with?
    Why should we cooperate with Yojji?
    How much does fintech apps development cost?
    How long does it take to develop a financial app?
    Native or cross-platform fintech application development: which is better?
    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.

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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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