freiberufler Senior Front-end Engineer auf freelance.de

Senior Front-end Engineer

zuletzt online vor wenigen Tagen
  • 55‐60€/Stunde
  • 022812 Bucharest
  • Europa
  • en
  • 25.10.2024

Kurzvorstellung

I am a passionate Senior Front-end/Full-stack Engineer / Contractor / Freelancer, with +8 years experience. I use my passion, skills and experience to build large web applications that suit business needs.

Qualifikationen

  • CSS (Cascading Style Sheet)1 J.
  • HTML
  • JavaScript1 J.
  • Node.Js1 J.
  • Playwright
  • React (JavaScript library)6 J.
  • Representational State Transfer (REST)
  • SAS (Software)
  • Software engineering / -technik
  • Typescript3 J.

Projekt‐ & Berufserfahrung

Full-Stack Engineer
Charmverse, New York
9/2022 – 8/2023 (1 Jahr)
Web3
Tätigkeitszeitraum

9/2022 – 8/2023

Tätigkeitsbeschreibung

Collaborated closely with a cross-functional team to design, develop and maintain the CharmVerse platform, a Web3 fast-scaling SaaS for community contributors to coordinate day-to-day work, sign in with crypto wallets and unlock workspaces with DAO tokens or NFTs. The platform brings onboarding, bounty management, proposals, project trackers, and data repositories into one place.

• Played a pivotal role in the startup's growth phase by implementing the checkout experience and a secure payment integration, making it easy for thousands of customers to register for a free trial and then pay a monthly subscription with crypto or fiat.
• Integrated multiple third-party vendors, including Typeform, ensuring seamless migration of data into CharmVerse databases.
• Made multiple Alchemy integrations for fetching blockchain data like NFTs, POAPs and ENS details to create user profiles from the web3 wallet address.
• Increased performance of the overall application reengineering key components, delivering a faster and a more intuitive user experience.? Collaborated closely with a cross-functional team to design, develop and maintain the CharmVerse platform, a Web3 fast-scaling SaaS for community contributors to coordinate day-to-day work, sign in with crypto wallets and unlock workspaces with DAO tokens or NFTs. The platform brings onboarding, bounty management, proposals, project trackers, and data repositories into one place. • Played a pivotal role in the startup's growth phase by implementing the checkout experience and a secure payment integration, making it easy for thousands of customers to register for a free trial and then pay a monthly subscription with crypto or fiat. • Integrated multiple third-party vendors, including Typeform, ensuring seamless migration of data into CharmVerse databases. • Made multiple Alchemy integrations for fetching blockchain data like NFTs, POAPs and ENS details to create user profiles from the web3 wallet address. • Increased performance of the overall application reengineering key components, delivering a faster and a more intuitive user experience.

Skills: Node.js · REST APIs · Next.js · Prisma · Web3 · Playwright · MUI · React · TypeScript · Datadog · Figma

Eingesetzte Qualifikationen

Blockchain (allg.), Postgresql, Node.Js, Typescript, React (JavaScript library)

Lead Frontend Developer
Hexagon, Bologna
9/2021 – 9/2022 (1 Jahr, 1 Monat)
Automobilindustrie
Tätigkeitszeitraum

9/2021 – 9/2022

Tätigkeitsbeschreibung

? Building 3D measurement software for a multitude of metrology equipment types, from CMMs (coordinates measuring machines) to portable arms and scanners. Engineers use its powerful capabilities to measure everything from simple prismatic parts to the most complex aerospace and automotive components.

• Redux Toolkit for state management
• RTK Query for fetching and caching data from API's
• Using Microsoft SignalR to update data in real time
• Creating unit tests using React Testing Library
• Improving performance
• Creating npm packages and contributing to old ones
• Making 3D renders with the help of the Hoops library
• Making code reviews for the entire team

✅ Skills: TypeScript, React, Redux Toolkit, RTK Query, SignalR, SASS, Rollup.js, React Testing Library, Material UI, Storybook, Hoops

Eingesetzte Qualifikationen

Json, React (JavaScript library), Typescript, User Interface (UI)

Senior Frontend Developer (Festanstellung)
888, Bucharest
9/2020 – 8/2021 (1 Jahr)
IT & Entwicklung
Tätigkeitszeitraum

9/2020 – 8/2021

Tätigkeitsbeschreibung

Developing a poker game using TypeScript, React JS and Redux Saga.

• Unit testing with React Testing Library
• Using Styled Components for styling components
• Creating Storybooks for each component
• Optimising app performance

✅ Skills: TypeScript, React, Redux Saga, Styled Components, React Testing Library, Storybook

Eingesetzte Qualifikationen

Microsoft Azure, React (JavaScript library), Typescript

Frontend Developer (Festanstellung)
MRM, Bucharest
9/2017 – 8/2020 (3 Jahre)
IT & Entwicklung
Tätigkeitszeitraum

9/2017 – 8/2020

Tätigkeitsbeschreibung

Creating large ecommerce PWA's using React and Adobe Magento Commerce.

• React, Redux, Apollo, GraphQL
• Writing unit tests using React Testing Library
• Using Lerna to manage our monorepo
• Responsive design
• Using Docker for local development environments
• Writing cross-browser markup
• Performance optimization
• Improving the UX on e-commerce projects
• Code versioning with Git
• Working Agile
• Finding the best approach for the technical implementation of each feature

✅ Skills: Javascript, React, Redux, Apollo, GraphQL, SASS, Jest, Storybook, Webpack, Yarn, Magento, PWA Studio

Eingesetzte Qualifikationen

Git, Graphql, Magento, React (JavaScript library), Responsive Webdesign

Web Developer (Festanstellung)
Inoveo, Bucharest
12/2015 – 8/2017 (1 Jahr, 9 Monate)
Branding
Tätigkeitszeitraum

12/2015 – 8/2017

Tätigkeitsbeschreibung

? Creating and managing website and ecommerce projects from scratch to final touch.

• Working with HTML5 CSS3 Javascript and Jquery on building awesome sites
• Finding the best solutions for specific business needs
• Implementing design in Wordpress based on Photoshop layouts
• Wordpress theme creation from scratch
• Using Bootstrap to create responsive websites
• Fixing browser compatibility issues
• Database migration
• Creating and implementing animations
• SEO on-page
• Website audits

✅ Skills: Javascript, jQuery, HTML5, CSS3, Bootstrap, Wordpress, HTML, CSS, Photoshop

Eingesetzte Qualifikationen

CSS (Cascading Style Sheet), Google Analytics, HTML5, JavaScript, Jquery, Suchmaschinenoptimierung, WordPress

Über mich

I am a passionate Senior Front-end/Full-stack Engineer / Contractor / Freelancer, with +8 years experience. I use my passion, skills, and experience to build large web applications that suit business needs. Most of the time I use JavaScript/TypeScript, React and Next.js. I am also open to work with other frameworks or libraries.

? My primary fields of interest are: app performance, API design, single-page application architecture, unit tests and UI component development .

✅ Skills: Javascript, Typescript, React, Redux, Next.js, Node.js, Prisma, Jest, Playwright, Storybook, Styled components, Git, HTML, CSS, REST API.

Persönliche Daten

Sprache
  • Englisch (Muttersprache)
Reisebereitschaft
Europa
Arbeitserlaubnis
  • Europäische Union
Home-Office
bevorzugt
Profilaufrufe
149
Alter
35
Berufserfahrung
8 Jahre und 11 Monate (seit 12/2015)
Projektleitung
1 Jahr

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