Umar Sesay

Umar Sesay Email and Phone Number

Frontend Engineer | Formerly at Kaufland, GAP, and more. @ kollex
Umar Sesay's Location
Berlin, Berlin, Germany, Germany
About Umar Sesay

As a seasoned UI Engineer / Frontend Engineer, I am passionate about crafting exceptional web experiences, with a strong foundation in HTML, CSS, JS, TypeScript, React etc, I specialise in building dynamic and interactive web applications. My expertise also extends to A/B Testing, Monitoring using tools like Optimizely, DataDog, MixPanel, Design Systems etc, enabling data-driven decision-making for superior user experiences.Been the forefront of Kollex's B2B platform development, my focus is on digitizing the F&B and Horeca service ordering systems. My toolkit, rich with HTML, CSS, TypeScript, JS, React, and GraphQL, enables me to create impactful digital solutions that streamline operations and elevate user experiences.With a proven track record at Kaufland, I honed my skills in user interface engineering, optimizing web performance, and implementing A/B testing to refine user engagement. My commitment to efficiency and robust testing ensures that the digital platforms we develop stand as benchmarks for excellence and innovation.Skills: Responsive Web Design, React, Vue, Cypress (End to End Testing), Jest (Unit Testing), JavaScript, TypeScript, GraphQL, Rest, DataDog, AWS, Gitlab, GIT, HTML Emails, A/B Testing (Optimizely | Mixpanel)

Umar Sesay's Current Company Details
kollex

Kollex

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Frontend Engineer | Formerly at Kaufland, GAP, and more.
Website:
kollex.de
Employees:
33
Umar Sesay Work Experience Details
  • Kollex
    Senior Frontend Engineer
    Kollex Nov 2022 - Present
    Berlin, Germany
    Building the B2B platform that helps digitizing the ordering system for F&B, as well Horeca services.Tech Stack: TypeScript, React and GraphQL
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  • Kaufland
    Frontend Engineer
    Kaufland May 2021 - Sep 2022
    Berlin, Germany
    As a Frontend Engineer at Kaufland, I optimized images, code, and cross-browser compatible pages using HTML5, CSS3, Vue, and JavaScript to deliver engaging user experiences and enhance user engagement.• Implemented AB Test with Optimizely to improve user experience.• Supported designers in resolving website performance issues for efficient web development.
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  • Mcmakler
    Ui Engineer
    Mcmakler May 2019 - Apr 2021
    Berlin Area, Germany
    Delivered responsive, cross browser compatible and accessibility complaint websites, achieving 19% faster load timeProduced stunning visual elements of web applicatiuons by translating UI/UX design wireframes into accessible re-usable code.Improved on the end-end test coverage of the portal test, to prevent and find bugs using CypressSkills: HTML5, CSS3, React, Cypress and Javascript, TypeScript, Jest, etc
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  • Gap
    User Interface Engineer
    Gap May 2017 - May 2019
    Dubai, United Arab Emirates
    Collaborated with web designers, back end developers and UX designers to design, build, test and improve web products.Added to the company database of code by developing reusable code that could minimize the time needed to complete projects in the future, example of this is working with Email templates, we used MJML for the templates which helped us re-used code and speed up development workflow.Worked with the marketing team, content developers to meet team goals and business objectivesSkills: HTML5, CSS3, React, Cypress and Javascript, Express, Nunjucks, Magento, HTML Emails, MJML, FIGMA, etc
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  • Netaq E-Solutions
    Html Lead {Front-End Developer}
    Netaq E-Solutions May 2016 - May 2017
    Abu Dhabi, United Arab Emirates
    HTML Lead:Notable Project was Abu Dhabi Chamber of Commerce Web ProjectDevelop web applications according to client briefs and modify designs to meet changes in client specificationsDevelop web products by coding wireframes into elements that users can interact with to create effective user experience.Integrated our HTML custom builts templates into a .NET applicationWorked closely with the .Net programmers to meet project requirements, goals and desired functionality.Skills: HTML5, CSS3, Javascript, JQuery, VB.net,
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  • Kuru Djula
    Founder @ Kurudjula
    Kuru Djula Jan 2015 - Apr 2016
    Dubai, United Arab Emirates
    Kurudjula , is a classified web platform system for rough gem stone dealers to connect with each other, as well as buy or sell precious metals. Kurudjula vision is to digitize the trading of rough gems from Africa and beyond.
  • Aperto - An Ibm Company
    Frontend Developer - Junior
    Aperto - An Ibm Company Jun 2014 - Dec 2015
    Dubai
    In my role as a junior Frontend Developer at Aperto - An IBM Company, I collaborated with senior developers to design web applications, aligning designs with client requirements. I developed interactive prototypes and conducted user testing to evaluate engagement and identify patterns and issues.• Assisted in handling client feedback on work• Gained skills in aligning designs with client requirements

Umar Sesay Education Details

Frequently Asked Questions about Umar Sesay

What company does Umar Sesay work for?

Umar Sesay works for Kollex

What is Umar Sesay's role at the current company?

Umar Sesay's current role is Frontend Engineer | Formerly at Kaufland, GAP, and more..

What schools did Umar Sesay attend?

Umar Sesay attended University Of Wollongong, Karrox Technologies.

Who are Umar Sesay's colleagues?

Umar Sesay's colleagues are Jakub Pozowski, Hossein Bagherzadegan, Vanessa Vogel, Sebastian Schreiber, Franziska Andersch, Hengameh Yavari, Michael Czock.

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