Available to hire
I’m Ionut Cirja, a software designer and developer with 15+ years of experience. I’m a perfectionist who strives to deliver the best on every project, and I love turning challenges into opportunities to grow. I’ve competed and won top IT international and local competitions, including the Microsoft Imagine Cup.
In recent years I’ve focused on frontend architecture, design, and building scalable, maintainable web apps using React, TypeScript, and modern tooling. I’m fluent in collaborating across remote teams and disciplines to ship robust, accessible products.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Language
Romanian, Moldavian, Moldovan
Fluent
English
Fluent
Spanish; Castilian
Intermediate
Work Experience
Frontend Lead at PortalOne
July 1, 2024 - PresentFrontend architecture and implementation lead for the admin dashboard of a hybrid games platform; defined scalable frontend patterns and collaborated with product and backend teams. Tech stack: Firebase, React, Next.js, Jest, React Testing Library, Tailwind, Copilot.
Frontend Lead / Development Consultant at Ddroidd
July 1, 2024 - October 26, 2025Led frontend implementation/architecture for media platform migration.
Frontend Lead / Development Consultant at PortalOne
July 1, 2024 - PresentLed frontend development and architecture for the admin dashboard of a hybrid games platform.
Frontend Lead at Ddroidd
March 1, 2024 - July 1, 2024Led frontend migration for a media platform; defined architecture and frontend implementation; established frontend patterns and collaboration with cross-functional teams. Tech stack: AWS, React, Next.js, Jest, React Testing Library, Sass.
Frontend Lead / Development Consultant at LEGO
March 1, 2024 - October 26, 2025Frontend implementation/maintenance for LEGO campaigns.
Frontend Lead at LEGO
September 1, 2023 - March 1, 2024Frontend development/maintenance for LEGO campaigns; maintained campaign frontend and ensured quality through modern tooling and testing. Tech stack: AWS, React, Next.js, Jest, React Testing Library, Sass.
Development Consultant at Buildspec
August 1, 2023 - October 26, 2025Frontend implementation/maintenance for a product resembling a digital operating manual.
Frontend Consultant at Buildspec
June 1, 2021 - August 1, 2023Worked on a product acting as a digital operating manual for home maintenance; led frontend implementation/maintenance with React, Redux, Jest, React Testing Library, Cypress, Webpack.
Development Consultant at Digital Fineprint
April 1, 2021 - October 26, 2025Frontend development for a financial dashboard handling large data volumes.
Frontend Consultant at Digital Fineprint
December 1, 2020 - April 1, 2021Frontend development for a financial dashboard handling large data sets; TypeScript, React, GraphQL/React-Query, ApexCharts, Leaflet maps, AWS Amplify, AWS Cognito, Styled Components, Material-UI, Jest, React Testing Library, Cypress, Webpack.
Frontend Architect at Deutsche FinTech Solutions GmbH
December 1, 2020 - October 26, 2025Architect for micro-frontends system integrating multiple web apps.
Front Architect at Deutsche Fintech Solutions GmbH
September 1, 2020 - December 1, 2020Architected a micro-frontends system spanning multiple web apps; TypeScript, Luigi micro-frontends, React, Sass, Jest, Enzyme, React Testing Library, Webpack.
Development Consultant at Level5
September 1, 2020 - October 26, 2025Frontend development for SAAS account management systems.
Frontend Consultant at Level5
February 1, 2020 - September 1, 2020Worked on two account management systems for SAAS services; frontend implementation with TypeScript, React, Redux, Sass, Jest, Enzyme, React Testing Library, Webpack, GitHub Actions.
Frontend Architect (hands-on) at E.ON (via SomoGlobal)
February 1, 2020 - October 26, 2025Frontend and GraphQL middleware work for energy provider platform.
Frontend Consultant at E.ON (via Somo Global)
October 1, 2019 - February 1, 2020Energy provider platform; frontend and GraphQL middleware implementation; TypeScript, Gatsby, Node, React, Redux, GraphQL/Apollo (client/server), CSS Modules, Jest, Enzyme, React Testing Library, Webpack, Contentful CMS.
Frontend Architect (hands-on) at 07HappyDays Ltd
September 1, 2019 - October 26, 2025Frontend architecture for a cryptocurrency platform (not launched yet).
Frontend Architect (hands-on) at RBS (via Publicis Sapient)
January 1, 2019 - October 26, 2025Frontend architecture for a credit wallet proposal; AA accessibility compliance.
Frontend Architect (hands-on) / Contractor at RBS (via Publicis Sapient)
September 1, 2018 - January 1, 2019Progressive web app for credit wallet; accessibility AA compliance; Flow, React, Styled Components, Redux, Formik, Redux-Saga, Jest, Enzyme, Webpack.
Frontend (React) Architect (hands-on) at Nationwide Building Society (via Publicis Sapient)
August 1, 2018 - October 26, 2025Frontend architecture for mortgages product with AA accessibility compliance.
Frontend Architect (React) at Nationwide Building Society (via Publicis Sapient)
August 1, 2017 - August 1, 2018Banking product for mortgages; frontend architecture/implementation with accessibility AA compliance; React, Redux, Redux Forms, Jest, Enzyme, Webpack.
Development Consultant at FITCH
August 1, 2017 - October 26, 2025Promotional platform development; focus on frontend logic.
Development Consultant at FixR
October 1, 2016 - October 26, 2025Architected and developed a large events tickets booking system.
Development Consultant at OpenTable
May 1, 2016 - October 26, 2025Restaurant booking system frontend.
Development Consultant at Sapient Nitro
February 1, 2016 - October 26, 2025Banking product frontend with AA accessibility; included gulp, jasmine.
Development Consultant at SapientNitro
September 1, 2015 - February 1, 2016Banking product for UK services; React, Flux, Immutable, Sass, Gulp, Jasmine.
Development Consultant at Sapient Nitro
September 1, 2015 - October 26, 2025Live advertising campaign frontend; backbone/marionette, webrtc.
Frontend Consultant at Stink Digital
August 1, 2015 - September 1, 2015Live communication system for advertising campaigns; Backbone Marionette, WebRTC (OpenTok), Browserify, Gulp, Jest.
Frontend Architect at Sapient Nitro
August 1, 2015 - October 26, 2025Reusable components for client platform; backbone/require, mocha.
Development Consultant at SapientNitro
July 1, 2015 - August 1, 2015Reusable components package for client platform; Backbone, Require, Sass, Grunt, Bower, Mocha.
UI Developer at John Wiley & Sons
June 1, 2015 - October 26, 2025Tool for chemists in pharma and chemistry to discover synthetic routes; contributed to Agile process; created scalable structure.
UI Developer at John Wiley & Sons
December 1, 2014 - June 1, 2015Tool for chemists in pharma and related industries; Backbone, Require, Almond (optimisation), D3, Sass, Grunt, Bower, Mocha, Chai, Sinon, Cucumber, WebDriverIO, WireMock, Selenium WebDriver.
Development Consultant at Endava
November 1, 2014 - October 26, 2025Multiple projects including smart devices in homes and cloud-hosted real-time comms platform with WebRTC.
Development Consultant at Endava
May 1, 2013 - November 1, 2014Worked on multiple international projects; web app for smart devices and a cloud-hosted service for real-time communications (WebRTC). Technologies: Backbone Marionette, Require, Bower, Grunt, Sass, JSIP (WebRTC).
Frontend Developer at Grapefruit
April 1, 2013 - October 26, 2025Worked on multiple media campaigns; agile, Backbone/Require; created custom MVC for Flash.
Frontend Developer at Grapefruit
October 1, 2010 - April 1, 2013Worked on multiple media campaigns; primarily Backbone, Require, jQuery, and custom MVC; contributed to Agile processes and pair programming.
Education
Bachelor's degree in Computer Science at Alexandru Ioan Cuza University, Iasi, Romania
January 1, 2002 - January 1, 2006High School at Stefan cel Mare College, Targu Neamt, Romania
January 1, 1998 - January 1, 2002Bachelor's degree in Computer Science at Alexandru Ioan Cuza University, Iasi, Romania
January 1, 2002 - January 1, 2006High School Diploma at Stefan cel Mare College, Targu Neamt, Romania
January 1, 1998 - January 1, 2002Qualifications
Programming in HTML5 with JavaScript and CSS3
January 11, 2030 - October 26, 2025Brainbench Flash & ActionScript certification (master level)
January 11, 2030 - October 26, 2025Papervision3d certification
January 11, 2030 - October 26, 2025Programming in HTML5 with JavaScript and CSS3
January 11, 2030 - January 30, 2026Brainbench Flash & ActionScript certification (master level)
January 11, 2030 - January 30, 2026Papervision3d certification
January 11, 2030 - January 30, 2026Industry Experience
Software & Internet, Computers & Electronics, Media & Entertainment, Professional Services, Gaming, Financial Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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