Ion Cojocari

• Development of a cross-platform financial assistant app using Expo, React Native, and TypeScript, deployed on iOS, Android, and Web.
• Implementing critical features such as push notifications, Stripe payments, in-app purchases, subscription models, and pay-per-click advertising.
• Contributing to AI-driven functionality via LangGraph and Python-based agents.
• Integrating secure banking APIs and asset management services to ensure trust and compliance.
• Designing and consuming RESTful and GraphQL APIs to enable smooth front-to-back data flow.
• Developing scalable, maintainable code across the stack with a strong focus on clean architecture and reusable components.
• Optimizing backend performance with efficient SQL/NoSQL database queries, caching strategies, and structured data models (PostgreSQL, MongoDB).
• Setting up and maintaining CI/CD pipelines, ensuring automated testing and smooth deployment workflows.
• Writing robust unit tests with Jest, ensuring high test coverage and long-term stability.
• Monitoring production environments using tools like Sentry, New Relic, or DataDog, and resolving issues proactively.
• Conducting code reviews, mentoring peers, and driving best practices within a collaborative engineering team.
• Supporting product strategy through active involvement in planning, technical discussions, and feature validation (including A/B testing and feature toggles).

Ensuring cross-platform compatibility and optimizing app performance on both iOS and Android,

delivering a seamless user experience.

• Conducting code reviews and mentoring team members to maintain high development standards and

promote a culture of continuous learning.

• Leveraging analytics tools to track user behavior, derive actionable insights, and improve app

engagement.

• Collaborating closely with backend developers to streamline API integration, optimize data flow, and

ensure robust communication between services.

• Implementing localization and multi-language support to cater to a diverse user base and enhance

global reach.

• Staying up to date with the latest industry trends and integrating best practices into the development

process to ensure the app remains modern and efficient.

• Managing app deployment and release cycles, ensuring smooth rollouts with minimal downtime and

effective user communication.

• Debugging and resolving complex technical issues to maintain a high level of app reliability and user

satisfaction.

• Integrating secure payment solutions using EasyTransac to provide users with reliable and seamless

payment processing experiences, including support for subscription models and pay-per-click

advertising.

• Performing regular security audits and working proactively to identify and address potential risks,

ensuring the application remains secure and resilient against evolving threats.

• Engaging proactively in sprint reviews and planning sessions.

• Collaborating effectively within the team and also operating autonomously.

• Crafting neat, comprehensible, and modular code.

• Contributing to enhancements in application design and functionality.

• Completing assignments and projects punctually.

• Developing native applications from scratch while implementing best practices.

• Utilizing WebSockets for real-time chat functionalities.

• Designing and implementing an intuitive user interface (UI) for enhanced user experience (UX).

• Contributing to the UI/UX design of applications.

• Participating in architectural design discussions and decisions.

• Optimizing application performance and ensuring scalability.

• Implementing automated testing to ensure high code quality and reliability.

• Providing mentorship and guidance to junior developers.

• Staying updated with the latest industry trends and technologies.

• Documenting code and creating technical documentation for future reference.

• Conducting code reviews to maintain coding standards and improve codebase quality.

• Integrating third-party APIs and services to enhance application capabilities.

• Built adaptive web applications using React, styled components, and custom hooks.

• Utilized Storybook for building UI components.

• Worked with Atlassian services.

• Developed EHR systems.

• Created mobile apps with React Native CLI and custom components.

• Utilized GraphQL for APIs. Worked in TestFlight environment.

• Collaborating effectively within the team and also operating autonomously

• Built adaptive web applications using React, Typescript, Redux, and styled components.

• Worked with Atlassian services.

• Collaborated in a team with C# developers.

• Contributing to enhancements in application design and functionality.

• Developed FinTech web-apps using React, Redux, and Material-UI.

• Built responsive web pages.

• Worked with GitLab services.

• Collaborated in a team with Java developers.