İlknur is available for hire

İlknur Ültanır

Verified Expert in Engineering

Front-end Developer

Location

Istanbul, Turkey

Toptal Member Since

October 7, 2021

İlknur is a self-taught front-end developer based in Istanbul with 4+ years of experience in her field. She has worked at startups and agencies where she had the chance to enrich her skills, including marketing and eCommerce sites and web applications. İlknur loves optimizing user experiences, developing new user interfaces, following SEO best practices, and fixing bugs. She uses TypeScript for her projects and has expertise in React and Next.js.

Front-end User Interface (UI)Responsive UI Web Development JavaScript jQuery Bootstrap CSS HTML5 React TypeScript Redux React Router Next.js Mathematical Modeling jQuery Mobile

Portfolio

Keibi Inc

Material UI, TypeScript, React, Context API, Storybook, OpenIDM, Figma...

RevenueHero

Next.js, TypeScript, Context API, Cypress, Storybook, Tailwind CSS, Recoil...

Gamer Arena

TypeScript, React, Next.js, SCSS, GitHub, Trello, Redux, SWR, Context API...

Experience

Node.js - 4 years React - 3 years SCSS - 3 years Context API - 3 years TypeScript - 2 years SWR - 1 year PostCSS - 1 year Next.js - 1 year

Availability

Part-time

Preferred Environment

MacOS, WebStorm, Slack, Discord, GitHub, Bitbucket

The most amazing...

...thing I've built are custom features for a web app with more than 20 million unique sessions and 75,000 users.

Work Experience

Senior Front-end Developer

2022 - 2022

Keibi Inc

Developed MVP according to the designs. Structured the front-end stack and created 100+ components according to that.
Integrated authentication logic with OpenID. Extended OpenID protocol with Azure Active Directory B2C.
Scheduled and assigned tasks to the team and onboarded new developers.

Technologies: Material UI, TypeScript, React, Context API, Storybook, OpenIDM, Figma, React Router, Front-end, Web Development, User Interface (UI), HTML UI, CSS3, Responsive Web Apps, APIs, DOM, ECMAScript (ES6)

Senior Front-end Developer

2021 - 2022

RevenueHero

Performed front-end development for all client projects.
Bootstrapped the front-end stack considering necessities.
Onboarded new developers and played a role in code review processes.

Technologies: Next.js, TypeScript, Context API, Cypress, Storybook, Tailwind CSS, Recoil, Figma, Front-end, Web Development, Integration Testing, User Interface (UI), HTML UI, CSS3, Progressive Web Applications (PWA), Responsive Web Apps, APIs, Stripe, DOM, ECMAScript (ES6)

Front-end Developer

2020 - 2021

Gamer Arena

Built custom features for a web app with 20+ million unique sessions and 75,000 users, written with Next.js and Redux, including Redux Toolkit and Redux-Saga.
Rewrote the product in six months using Next.js, Context API, SWR, and TypeScript. Further implemented end-to-end tests with Cypress and configured GitHub Actions for code quality checks.
Taken initiative to support a direct part in UI/UX design, web analytics implementation, and feature additions. Therefore I created an impact on a fast-paced startup and gained product management experience.

Technologies: TypeScript, React, Next.js, SCSS, GitHub, Trello, Redux, SWR, Context API, Cypress, HTML, HTML5, CSS, Agile, Git, Responsive UI, Redux-Saga, Figma, React Router, Front-end, Web Development, Integration Testing, User Interface (UI), HTML UI, CSS3, Progressive Web Applications (PWA), Responsive Web Apps, APIs, DOM, ECMAScript (ES6)

JavaScript Developer

2019 - 2020

Insider

Customized and implemented end-to-end marketing software products of the company to client sites for different stacks as of SSR, client-rendered, pre-rendered using JavaScript, HTML, CSS, and Google Tag Manager through 25+ different countries.
Pioneered company clean code documentation, ESLint configuration, and code review standards with boilerplate code library that has optimized the onboarding time of newcomers by seven days on average.
Supported the efforts of client-facing account managers and gave technical support to both cited account managers and non-technical customers through one-on-one consultations.

Technologies: JavaScript, jQuery, Amazon Web Services (AWS), Google Tag Manager, HTML, HTML5, CSS, Agile, Git, Responsive UI, Sass, Front-end, Web Development, User Interface (UI), HTML UI, CSS3, Responsive Web Apps, GitLab, DOM, ECMAScript (ES6)

Software Specialist

2018 - 2019

Vidizayn

Designed and built pixel-perfect sites with HTML, CSS, and jQuery following strict governmental accessibility and design laws for pharmaceutical companies such as Pfizer and Bayer.
Contributed to global client acquisition through writing custom client modules for Drupal and WordPress on internationalization and localization (i18n), which in its initiation led to the acceptance of eight new global clients.
Championed and set up internal tools to increase development efficiency and overall productivity, leading to a reorganization that allowed two out of four developers free to be reallocated for other support functions.
Collaborated closely with the quality assurance engineers and directly contacted the customers for technical support, personally achieving half of the average time to response and task completion time.

Technologies: JavaScript, jQuery, Drupal 7, Drupal 8, jQuery UI, jQuery Mobile, HTML, HTML5, CSS, Agile, Git, Responsive UI, Front-end, Web Development, User Interface (UI), HTML UI, CSS3, Responsive Web Apps, DOM

Experience

Gamer Arena | Web App

https://gamerarena.com/

Gamer Arena is an online competitive esports platform where you can match and compete with opponents and teams of your skill level across numerous gaming titles, earn money, enter, and work your way through the ladder all the way to professional gaming stardom.

Developed the front end of the project using TypeScript, React, and Next.js with Context API and SWR.

Rental List Site | Toptal

A MERN application for listing rentals. Developed both the back end and front end. Used Node.js, Express.js, and MongoDB for the back end. For the front end, I used React with Next.js. I also used Bootstrap and React-Bootstrap for the UI.

Salarie

A one-page salary cost calculator made with React and Next.js. I fully developed and designed the project and deployed it via Heroku. You can also view the source code at: https://github.com/iibarbari/salary-calculator.

Education

2014 - 2020

Bachelor's Degree in Industrial Engineering

MEF University - Istanbul, Turkey

Certifications

OCTOBER 2022 - PRESENT

Problem Solving (Basic) Certificate

HackerRank

Skills

Libraries/APIs

React, Context API, jQuery, React Router, REST APIs, Chart.js, Redux-Saga, jQuery UI, jQuery Mobile, Node.js, Stripe

Tools

PostCSS, Figma, GitHub, Git, GitLab, Trello, OpenIDM, Webpack

Frameworks

Next.js, Redux, Bootstrap, Tailwind CSS, Vanilla JS, Express.js, Cypress, Material UI, Jest

Languages

TypeScript, JavaScript, CSS, HTML5, HTML, CSS3, SCSS, GAMS, Python, Sass, ECMAScript (ES6)

Paradigms

Agile

Platforms

Vercel, Amazon Web Services (AWS), Drupal 7, Drupal 8

Other

SWR, Responsive UI, Front-end, Web Development, User Interface (UI), HTML UI, Responsive Web Apps, DOM, Algorithms, Heuristics, Mathematical Modeling, Google Tag Manager, Progressive Web Applications (PWA), APIs, Storybook, Recoil, Integration Testing, Full-stack

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