Onur Demirtaş

Onur Demirtas

Senior Software Engineer, UI & UX Designer

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About Me

I worked on various web projects including Front-end & Back-end & Database parts and also cross platform mobile apps(React Native & Ionic Framework). From my job experiences and my own side-projects I have learned valuable professional skills such as web & mobile app development and algorithmic thinking. I am a results-oriented person and I am truly passionate about coding. I am currently focusing on Front-end & Cross Platform Mobile Development.

My favourite languages and technologies: React & Redux, Typescript, React Native, Vue.js and Node.js

I studied Computer Science at Middle East Technical University..

My CV: https://bit.ly/2Uv0aiY

My Apps: https://bit.ly/2HAS05H

Reference Letter: http://bit.ly/34Rm0mF

My Github: https://github.com/svmszcck

My Blog: https://blog.onurdemirtas.com

Latest Projects


Film Tavsiyeleri

Film TavsiyeleriMobile

Film Tavsiyeleri is a mobile application where users can see movie recommendations based on the movie categories they choose.

Used Technologies: React & React Native, Typescript, Strapi(Node.js)

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Devzilla

DevzillaMobile

It is a platform where developers, designers and the people who are part of the tech industry can test their skills on the go.

Used Technologies: Ionic Framework, Typescript, Node.js

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Work Experience

Lead Software Engineer - kollex (June 2021 – )

- Developed high-quality software applications while leading a team of software engineers to meet project objectives. - Utilized Agile methodology to develop and implement software solutions with quick turnaround times. - Collaborated with stakeholders to effectively manage software development projects and deliverables. - Added Unit Tests & E2E Tests and increased the code coverage to almost %70 - Improved the performance of the mobile app by using Flipper & React DevTools


Tech Stack: React, Typescript, React Native, GraphQL, Tailwind CSS, AWS

Senior Frontend Engineer(Contract) - Shown (Jan 2020 – Nov 2020)

- Added new features to the React application by following some coding standards - Increased the test coverage from %20 to almost %80 by following TDD approach - Added some Continuous Integration features into the client app - Contributed to the migration work from SCSS to Styled Components - Improved the responsiveness of the application on all kind of screen sizes by following the mobile-first approach


Tech Stack: React, Redux, Styled Components, React Testing Library

Senior Frontend Engineer(Contract) - Landvault (June 2019 – January 2020)

- Refactored some legacy code in the project and implemented modern techniques to make the code more maintainable & scalable - Increased the performance of the application by using some standards(caching, code splitting, lazy loading etc.) - Implemented a variety of front-end tools to aid the team in streamlining project execution


Tech Stack: React, Redux, Jest & Enzyme, GraphQL, AWS, Docker

Full Stack Software Developer(Contract) - Venzee (February 2018 – June 2019)

- Developed new user-facing features in Angular, React - Built reusable code and libraries in the REST API. - Ensured the technical feasibility of UI/UX designs. - Wrote the according Unit & E2E Tests to ensure maximum quality. - Optimized applications for maximum speed and scalability. - Assured that all user input is validated before submitting to back-end services. - Collaborated with other team members and stakeholders.


Tech Stack: React, Angular, Node.js(Loopback Framework), PostgreSQL, DynamoDB, AWS, Stripe, Elastic Search

Self Employed(Freelancer) - Quaxo (2017 – 2019)

I created various web & mobile apps for different startups as the founder of the Quaxo software development agency. I wire-framed, designed and implemented all of the apps from scratch. I had regular meetings with the clients to understand the requirements and give & get feedback.


Tech Stack: React, Typescript, React Native, Node.js, MongoDB, GraphQL, Docker, Firebase

Mobile Application Development Internship - Trendyol (June 2017 – August 2017)

I was in a long term internship program at Trendyol. I worked on the native Android and iOS apps as a mobile application developer. I worked on the main shopping and cart screens on both platforms by using Java & Objective-C. I learned about the native APIs and improved UI & some functionalities. We were using agile framework for the planning, managing and executing of the work.

Full Stack Development Internship - OBSS (July 2016 – August 2016)

I was in a long term internship program at OBSS. The internship was in the form of competition. I finished the competition in the second place. I created a full stack application with Java, Spring Boot, Angular, MongoDB, Elastic Search.

Full Stack Developer - V-count (February 2016 – June 2016)

https://v-count.comI worked on both Front-end, Back-end parts of the V-count platform. Company was following the mono-repo approach. Server-side rendering was implemented for the client application. I fixed bugs on both Front-end & Back-end, added some new features and worked on the database part.


Tech Stack: A custom PHP MVC Framework, Javascript, MySQL, Bootstrap 3

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