Custom Language Learning App Development Company

A web platform for a global network of high-net-worth investors. Their engineering team used several AI coding assistants, but each developer configured them differently. None of the tools knew the project's code standards, design files, or ticket structure. Our team built one shared setup that teaches every assistant the same rules, connects them to Figma, Jira, and Confluence, and adds around 40 templates for recurring tasks. Every developer now gets the same quality of AI help, and complex bugs that once took hours to investigate now resolve up to 98% faster.

Talay is a fintech mobile app that manages watch collections and generates asset-backed loans. The client required a platform that would allow customers to store and structure their watches, submit standardized data for evaluation, and use selected assets as collateral for loan requests in one interface. Our team designed and constructed the mobile app, created a structured flow for asset onboarding and verification, and implemented a scalable system that connects collections, valuation inputs, and loan origination.

ExpertsNow is a web-based talent and opportunity management platform that helps companies manage candidates, experts, and hiring workflows in one structured environment. The Yojji team designed and developed a full-featured recruitment workflow system. Our client received responsive UI/UX, multi-role dashboards, and scalable architecture to support growing hiring operations.

Loyal Payment is a fintech mobile app for utility bill payments. The client required a simple product that allows users to pay water, gas, electricity, and housing bills in a single interface, track a payment history, and manage various addresses. Our team designed and developed the mobile app, created a scalable structure for multiple services, and simplified payment flows to increase payment transparency and decrease manual steps.

SuperMe Watch is a company that produces smartwatches for children, encouraging a healthy lifestyle by tracking activity and nutrition. Yojji created a gated online platform that can be accessed after payment using a unique code. It synchronizes the watch with calendars, tasks, food diaries, and progress indicators. Our client received a web platform that connects a physical gadget with a child-friendly website with simple tracking and motivation mechanisms.

Runway5 is a web and mobile e-commerce platform for buying and selling aircraft. The request was to deliver UX/UI design and full product engineering with marketplace architecture, subscription-based selling, and contact-to-buy process. Our client received a production-ready marketplace with complex user flows: verified sellers list aircraft, and buyers search, compare, and contact sellers through a structured, compliant flow.

Zuzzle is an online learning tool for organized study of foreign languages and academic disciplines. The product helps students prepare for exams. They have tests, exercises, learning data, and planning tools all in one interface. The Yojji team created this e-learning platform as a scalable system that allows users to schedule daily study activities across desktop and mobile devices, track progress by subject, and examine performance trends.

Fortiter is a Web3 NFT marketplace, a membership ecosystem based on NFT ownership. The client needed a platform connected to a wallet where users could view collections, track rarity, and monitor trading activity related to weekly payouts. Our team delivered a functional MVP with wallet integration, a clean interface, stable contract interactions, and real-time market data.

ExpertsNow is a European platform where companies can create vacancies, review pre-selected expert profiles, track every hiring stage, and coordinate interviews. The Yojji team defined the product flow, designed the interface, and developed the web and mobile applications. Our client got a working two-sided system that helps companies manage their hiring pipeline and allows experts to respond to new roles in a few clicks.

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.

Our team built a custom LMS web application for structured learning with strong community features. The request was to design and develop a platform where users can take multi-format courses, join interest-based groups, chat, track progress, participate in events, and earn certificates. The client received a fully functional and responsive LMS in 6 months.

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.

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%.

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.

Jellibeans is a web and mobile platform that converts large volumes of fashion market data into decision-ready insights for brands and suppliers. We built the MVP to aggregate data from verified sources, visualize complex analytics through an intuitive interface, and help teams track trends, compare competitors, and plan collections without working directly with raw data or spreadsheets.

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.

StudyHall is a web and mobile learning platform for structured study and exam preparation. It combines AI assistance, grammar practice, and teacher-led assessments to help students work with complex materials more efficiently. Our client got clear tools for educators to track progress and understanding in one system.

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.

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.

A matter of design (AMOD) is a web and mobile platform where users can redesign real apartments, manage subscriptions, save ideas, and buy furniture without switching between separate tools. Our task was to design and develop the full product: secure authentication, subscription and payment logic, AI-based room redesign, bookmarking, and e-commerce functionality.

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.

Our Yojji team built Time Machine as an internal time tracking system because existing tools didn’t match our workflow. The web app allows our employees to log hours by project, add weekly comments, and separate billable from non-billable time. Managers got clear visibility into workload and performance. The main focus was on simplicity, so new team members can start tracking time in just a few clicks.

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.

Our Yojji experts built a social platform for a private network of 800+ executives, entrepreneurs, and investors who meet regularly to exchange experience and solve business challenges. The platform helps members connect, organize regional events, schedule meetings, and communicate in one secure space. It’s fully synced with Salesforce data. We completed the project in four months, 1.5× faster than the original six-month plan.

We developed a web and mobile platform that enables hospitals and medical centers to conduct remote health consultations and structured COVID-19 risk surveys. The system allows organizations to assess individual risk levels, generate personalized prevention recommendations, and create customizable online questionnaires.

Payroll is a $1.2b cloud-based solution that enables companies to manage global payroll, oversee payment cycles, and process direct transfers across countries. They approached us to build this system on their financial and legal infrastructure. Yojji led the frontend development and design and contributed to backend tasks. Within two months, users completed their first payroll transactions, and the platform continued to expand with new features.

Osu is a business management and payments app for sole traders, integrated with accounting software. Yojji team built the front end for Osu’s open-banking service. It includes a payment widget and an admin dashboard for tracking transactions, managing users, and configuring features. After the MVP launch, we expanded the product with payment request flows and continue to develop the mobile app with new functionality.

An Australian financial company partnered with us to build a mobile investment application that allows parents to create separate accounts for their children and invest regularly. The platform supports automated payments, stock price tracking, and portfolio monitoring to accumulate capital over time. Within three weeks, we delivered a fully functional MVP with core investment logic and secure data exchange with backend systems.

Avenue tasked us with creating a platform for large companies that allows employees to set development goals, schedule lectures, receive notifications, and provide 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.