Kristina Grujic
Verified Expert in Engineering
Software Developer
Novi Sad, Vojvodina, Serbia
Toptal member since July 16, 2020
Kristina is a passionate front-end engineer with over four years of experience specializing in React and React Native projects. Her valuable input and development skills on the IoT product AirThinx, won the New Product Innovation award in 2019 by Frost & Sullivan and the Top Project award in 2018. She has lead technical projects and mentored colleagues. Kristina is known for delivering clean and maintainable, high-quality code delivered with fast turnaround times.
Portfolio
Experience
- Git - 6 years
- JavaScript - 5 years
- CSS - 5 years
- React Native - 5 years
- Redux - 5 years
- React - 5 years
- Jest - 4 years
- GraphQL - 3 years
Availability
Preferred Environment
Slack, Visual Studio Code (VS Code), MacOS
The most amazing...
...IoT product I drove was AirThinx - an air quality monitor. It won the New Product Innovation (2019) and the Top Project (2018) award by Frost & Sullivan.
Work Experience
Senior Front-end Engineer
Netronix
- Developed the mobile application for the AirThinx IoT product - air quality monitor that allows users to see the air quality they breathe in all of the important parameters and set notifications on when air quality drops.
- Integrated Nest to further optimize heating and cooling based on alerts fired by the app.
- Delivered a full redesign and refactor of the app as the sole React Native developer in the team.
Technology Lead - JavaScript
Synechron
- Acted as tech lead for a team consisting of 15 people for a React technology.
- Conducted technical interviews and mentored new colleagues.
- Developed the internal web application for a French asset management client.
- Developed common UI tools and libraries used across multiple projects.
Front-end Developer
Emvisage
- Developed a form builder component with resize, reorder, drag, and drop fields. Forms rendered from JSON structures allowing users to define whatever they want the form to do.
- Built a web platform for business workflow management.
- Created a rule engine for a front-end application to handle various validations.
- Built a custom watcher behavior for input fields.
Front-end Developer
Freelancer - Contractor Agency
- Developed a number of projects for clients all worldwide.
- Designed a custom React gallery with a pinch, pan, swipe, and zoom behavior fully supported by all browsers.
- Developed various applications working with maps, live, and push notifications.
Full-stack Developer
Kolosek
- Developed a React Native application: a social network for business people to appraise each other within the company and between colleagues and ex-colleagues.
- Mentored colleagues transitioning to React technology. Acted as the technology lead for React/React Native projects.
- Assisted in the development of the back end and web application for the same social networking app where I was lead for mobile app development, while handling multiple small- to medium-sized projects.
Experience
AirThinx Mobile Application
Education
Master's Degree in Software Engineering
University of Novi Sad - Novi Sad, Serbia
Bachelor's Degree in Software Engineering
University of Novi Sad - Novi Sad, Serbia
Skills
Libraries/APIs
React, React Redux, Node.js, Redux-Saga
Tools
Git, GitHub, Bitbucket, Jira, Xcode, Android Studio, Slack, Redux Thunk, Trello, ZenHub
Languages
CSS, HTML, JavaScript, HTML5, TypeScript, GraphQL, CSS3
Frameworks
React Native, Redux, Jest, Vanilla JS, Appium, TestCafe, Cerebral
Paradigms
Software Testing, Agile, REST, Scrum
Platforms
Android, Firebase, MacOS, Visual Studio Code (VS Code)
Storage
Linter SQL RDBMS
Other
Mobile App Development, Web Development, Storybook, Enzyme, Software Development, Software Engineering, i18n
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