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I am an experienced Front-End Developer with 9+ years of building high-quality, user-friendly digital interfaces using React, Angular, Vue.js, HTML5, CSS3, and JavaScript. I am skilled at delivering responsive designs and collaborating effectively in remote Agile environments. I have a proven track record mentoring, problem-solving, and enhancing UX for enterprise and consumer applications. I thrive in cross-functional, distributed teams and enjoy turning complex requirements into intuitive, accessible interfaces that drive user satisfaction and business impact.…I am an experienced Front-End Developer with 9+ years of building high-quality, user-friendly digital interfaces using React, Angular, Vue.js, HTML5, CSS3, and JavaScript. I am skilled at delivering responsive designs and collaborating effectively in remote Agile environments. I have a proven track record mentoring, problem-solving, and enhancing UX for enterprise and consumer applications. I thrive in cross-functional, distributed teams and enjoy turning complex requirements into intuitive, accessible interfaces that drive user satisfaction and business impact.

Aleksander Ortenburger

Front-End Developer, Full Stack Developer, Web Developer, +6

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I am an experienced Front-End Developer with 9+ years of building high-quality, user-friendly digital interfaces using React, Angular, Vue.js, HTML5, CSS3, and JavaScript. I am skilled at delivering responsive designs and collaborating effectively in remote Agile environments. I have a proven track record mentoring, problem-solving, and enhancing UX for enterprise and consumer applications. I thrive in cross-functional, distributed teams and enjoy turning complex requirements into intuitive, accessible interfaces that drive user satisfaction and business impact.…I am an experienced Front-End Developer with 9+ years of building high-quality, user-friendly digital interfaces using React, Angular, Vue.js, HTML5, CSS3, and JavaScript. I am skilled at delivering responsive designs and collaborating effectively in remote Agile environments. I have a proven track record mentoring, problem-solving, and enhancing UX for enterprise and consumer applications. I thrive in cross-functional, distributed teams and enjoy turning complex requirements into intuitive, accessible interfaces that drive user satisfaction and business impact.

Available to hire

I am an experienced Front-End Developer with 9+ years of building high-quality, user-friendly digital interfaces using React, Angular, Vue.js, HTML5, CSS3, and JavaScript. I am skilled at delivering responsive designs and collaborating effectively in remote Agile environments. I have a proven track record mentoring, problem-solving, and enhancing UX for enterprise and consumer applications.

I thrive in cross-functional, distributed teams and enjoy turning complex requirements into intuitive, accessible interfaces that drive user satisfaction and business impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Polish

Fluent

English

Fluent

Work Experience

Senior Software Engineer at WayStar

September 1, 2025 - October 2, 2025

Led front-end development on an enterprise healthcare payment platform using React, TypeScript, HTML5, CSS3, and Redux to create responsive, scalable UIs. Improved user engagement by 25%. Collaborated with cross-functional teams in Agile (Jira, Slack, Git) to deliver bi-weekly feature releases with 98% on-time delivery. Implemented component-driven architecture with Storybook and Material UI to ensure UI consistency and reduce bugs by 30%. Optimized front-end performance with code-splitting, lazy loading, and Webpack (40% faster initial load). Developed reusable React hooks and components, led code reviews and pair programming, and enhanced accessibility across desktop and mobile. Integrated RESTful APIs with Axios; managed data flow with Redux and RxJS. Implemented Jest and Cypress for unit and E2E tests (85% test coverage). Mentored junior developers.

Software Engineer at InfoConsulting

December 1, 2022 - October 2, 2025

Developed dynamic web applications for financial services using Angular, TypeScript, HTML5, CSS3, and Sass with responsive UI layouts, improving user satisfaction by 18%. Built reusable Angular components/services and integrated REST APIs with RxJS for reactive programming. Worked remotely in Agile teams (Jira, Git). Used Bootstrap and Tailwind for rapid prototyping. Tuned front-end performance, reducing page load times by up to 35%. Implemented Jasmine and Karma for unit testing, migrated legacy UI to Angular 10+ and set up CI/CD pipelines with Jenkins and GitHub Actions. Provided remote mentoring and peer code reviews.

Full Stack Developer at Capgemini

July 1, 2018 - October 2, 2025

Designed and developed full-stack solutions using JavaScript, Node.js, Vue.js, HTML5, CSS3, and REST APIs for client projects in retail and telecommunications. Implemented responsive/adaptive front-ends with Vue.js and Vuetify, improving customer engagement by 15%. Collaborated with back-end teams using Express.js and MongoDB for seamless integration. Participated in Agile ceremonies in remote, distributed environments. Used Git/Bitbucket with robust branching strategies. Introduced automated testing frameworks (Mocha, Chai) to improve defect detection. Contributed to UI/UX improvements based on user feedback and usability testing.

Senior Software Engineer at WayStar

September 1, 2025 - October 2, 2025

Led front-end development on enterprise healthcare payment platform using React, TypeScript, HTML5, CSS3, and Redux to create responsive and scalable user interfaces, collaborated with cross-functional teams in remote Agile environments to deliver feature releases with high on-time delivery. Implemented component-driven architecture with Storybook and Material UI to accelerate UI consistency and reduce bugs. Optimized front-end performance with code-splitting, lazy loading, and Webpack. Developed reusable React hooks and custom UI components to improve velocity and maintainability. Led code reviews and pair programming sessions to improve code quality. Enhanced accessibility and responsive design for desktop and mobile, increasing mobile traffic retention. Integrated RESTful APIs with Axios and managed state with Redux and RxJS. Implemented unit and E2E testing with Jest and Cypress achieving high test coverage. Mentored junior developers on front-end technologies and Git workflows.

Software Engineer at InfoConsulting

December 1, 2022 - October 2, 2025

Developed dynamic web applications using Angular, JavaScript, HTML5, CSS3, and Sass with responsive UIs for financial services clients, improving user satisfaction. Built reusable Angular components/services and integrated REST APIs with RxJS for reactive programming. Worked in remote Agile teams using Jira and Git for version control. Utilized Bootstrap and TailwindCSS for rapid prototyping and consistent UI styling. Performed front-end performance tuning, reducing page load times. Implemented unit testing with Jasmine and Karma, migrated legacy UI to Angular 10+ and set up CI/CD pipelines with Jenkins and GitHub Actions. Provided remote mentoring and peer code reviews.

Full Stack Developer at Capgemini

July 1, 2018 - October 2, 2025

Designed and developed full-stack solutions using JavaScript, Node.js, Vue.js, HTML5, CSS3, and REST APIs for client projects in retail and telecommunications. Implemented responsive front-ends with Vue.js and Vuetify, collaborated with back-end teams using Express.js and MongoDB, and ensured API consistency. Participated in Agile ceremonies and remote delivery. Used Git and Bitbucket for source control and branching. Introduced automated testing with Mocha and Chai, contributed to UI/UX improvements based on user feedback.

Senior Software Engineer at WayStar

September 1, 2025 - October 2, 2025

Led front-end development on an enterprise healthcare payment platform using React, TypeScript, HTML5, CSS3, and Redux to create responsive and scalable user interfaces, increasing user engagement by 25%. Collaborated remotely with cross-functional teams in Agile Scrum, delivering bi-weekly feature releases with 98% on-time delivery. Implemented a component-driven architecture with Storybook and Material UI to ensure UI consistency and reduce bugs by 30%. Optimized performance through code-splitting, lazy loading, and Webpack, reducing initial load time by 40%. Developed reusable React hooks and components; led code reviews and pair programming. Enhanced accessibility and responsive design across desktop and mobile, increasing mobile traffic retention by 20%. Integrated RESTful APIs via Axios; managed state with Redux and RxJS. Established unit and E2E tests with Jest, Cypress, and React Testing Library achieving 85% test coverage. Mentored junior developers in front-end tech and Git w

Software Engineer at InfoConsulting

December 1, 2022 - October 2, 2025

Developed dynamic web applications primarily using Angular, JavaScript, HTML5, CSS3, and Sass with responsive UI layouts for financial services clients, improving user satisfaction by 18%. Built and maintained reusable Angular components/services integrating REST APIs with RxJS observables for reactive programming. Collaborated remotely in Agile teams using Jira and Git for version control, ensuring smooth sprint deliveries and feature deployments. Utilized Bootstrap and TailwindCSS for rapid prototyping and consistent UI styling across multiple products. Conducted front-end performance tuning and optimized CSS and JavaScript assets reducing page load times by up to 35%. Implemented unit testing using Jasmine and Karma to maintain code quality and reduce regressions. Led migration of legacy UI code to Angular 10+ framework improving maintainability and scalability. Implemented CI/CD pipelines with Jenkins and GitHub Actions automating build and deployment processes. Provided remote men

Full Stack Developer at Capgemini

July 1, 2018 - October 2, 2025

Designed and developed full-stack solutions using JavaScript, Node.js, Vue.js, HTML5, CSS3, and REST APIs for client projects in retail and telecommunications sectors. Implemented responsive and adaptive front-end designs with Vue.js and Vuetify improving customer engagement metrics by 15%. Collaborated with back-end teams using Express.js and MongoDB ensuring seamless integration and API consistency. Participated in agile ceremonies, sprint planning, and retrospectives supporting continuous delivery in a remote environment. Utilized Git and Bitbucket for source control and branching strategies improving codebase stability. Introduced automated testing frameworks (Mocha, Chai) improving defect detection early in development cycle. Contributed to UI/UX improvements based on user feedback and usability testing, increasing user satisfaction.

Senior Software Engineer at WayStar

September 1, 2025 - October 2, 2025

Led front-end development on enterprise healthcare payment platform using React, TypeScript, HTML5, CSS3, and Redux to create responsive and scalable user interfaces improving user engagement by 25%. Collaborated remotely with cross-functional teams using Agile Scrum methodologies and tools including Jira, Slack, and Git to deliver bi-weekly feature releases with 98% on-time delivery. Implemented component-driven architecture with Storybook and Material UI to accelerate UI consistency and reduce bugs by 30%. Optimized front-end performance through code-splitting, lazy loading, and Webpack, reducing initial load time by 40%. Developed reusable React hooks and custom UI components improving development velocity and maintainability across multiple projects. Led code reviews and pair programming sessions fostering knowledge sharing and improving code quality standards. Enhanced accessibility and responsive design compliance across desktop and mobile devices increasing mobile traffic retent

Software Engineer at InfoConsulting

December 1, 2022 - October 2, 2025

Developed dynamic web applications primarily using Angular, JavaScript, HTML5, CSS3, and Sass with responsive UI layouts for financial services clients enhancing user satisfaction by 18%. Built and maintained reusable Angular components and services integrating REST APIs with RxJS observables for reactive programming. Collaborated remotely in Agile teams using Jira and Git for version control, ensuring smooth sprint deliveries and feature deployments. Utilized Bootstrap and TailwindCSS for rapid prototyping and consistent UI styling across multiple products. Conducted front-end performance tuning and optimized CSS and JavaScript assets reducing page load times by up to 35%. Implemented unit testing using Jasmine and Karma to maintain code quality and reduce regressions. Led migration of legacy UI code to Angular 10+ framework improving maintainability and scalability. Implemented CI/CD pipelines with Jenkins and GitHub Actions automating build and deployment processes. Provided remote

Full Stack Developer at Capgemini

July 1, 2018 - October 2, 2025

Designed and developed full-stack solutions using JavaScript, Node.js, Vue.js, HTML5, CSS3, and REST APIs for client projects in retail and telecommunications sectors. Implemented responsive and adaptive front-end designs with Vue.js and Vuetify improving customer engagement metrics by 15%. Collaborated with back-end teams using Express.js and MongoDB ensuring seamless integration and API consistency. Participated in agile ceremonies, sprint planning, and retrospectives supporting continuous delivery in a remote and distributed environment. Utilized Git and Bitbucket for source control and branching strategies improving codebase stability. Introduced automated testing frameworks (Mocha, Chai) improving defect detection early in development cycle. Contributed to UI/UX improvements based on user feedback and usability testing, increasing user satisfaction ratings.

Senior Software Engineer at WayStar

September 1, 2025 - October 2, 2025

Led front-end development on an enterprise healthcare payment platform using React, TypeScript, HTML5, CSS3, and Redux to create responsive and scalable user interfaces, driving a 25% increase in user engagement. Collaborated remotely with cross-functional teams in Agile Scrum environments (Jira, Slack, Git) to deliver bi-weekly feature releases with 98% on-time delivery. Implemented component-driven architecture with Storybook and Material UI to standardize UI and reduce bugs by 30%. Optimized front-end performance via code-splitting, lazy loading, and Webpack, reducing initial load time by 40%. Built reusable React hooks and UI components, conducted code reviews, mentored juniors, and improved accessibility and responsive design, boosting mobile retention by 20%. Integrated RESTful APIs with Axios; managed state with Redux and RxJS. Implemented Jest, Cypress, and React Testing Library for 85% test coverage.

Software Engineer at InfoConsulting

December 1, 2022 - October 2, 2025

Developed dynamic web applications for financial services clients using Angular, JavaScript, HTML5, CSS3, and Sass with responsive UI layouts, contributing to an 18% increase in user satisfaction. Built and maintained reusable Angular components and services; integrated REST APIs with RxJS for reactive programming. Worked remotely in Agile teams using Jira and Git; performed front-end performance tuning and asset optimization, reducing page load times by up to 35%. Led migration of legacy UI to Angular 10+ and implemented CI/CD pipelines with Jenkins and GitHub Actions; provided remote mentoring and code reviews.

Full Stack Developer at Capgemini

July 1, 2018 - October 2, 2025

Designed and developed full-stack solutions using JavaScript, Node.js, Vue.js, HTML5, CSS3, and REST APIs for retail and telecommunications projects. Built responsive UIs with Vue.js and Vuetify, collaborated with back-end teams using Express.js and MongoDB to ensure API consistency, participated in Agile ceremonies, and contributed to continuous delivery. Introduced automated testing (Mocha, Chai) to improve defect detection; supported UI/UX improvements based on user feedback to raise satisfaction.

Senior Software Engineer at WayStar

September 1, 2025 - October 2, 2025

Led front-end development on an enterprise healthcare payment platform using React, TypeScript, HTML5, CSS3, and Redux to create responsive and scalable user interfaces, improving user engagement by 25%. Collaborated remotely with cross-functional teams using Agile Scrum methodologies to deliver bi-weekly feature releases with 98% on-time delivery. Implemented component-driven architecture with Storybook and Material UI to accelerate UI consistency and reduce bugs by 30%. Optimized front-end performance through code-splitting, lazy loading, and Webpack, reducing initial load time by 40%. Developed reusable React hooks and UI components, improving development velocity and maintainability across projects. Led code reviews and pair programming, fostering knowledge sharing and improving code quality standards. Enhanced accessibility and responsive design compliance across desktop and mobile, increasing mobile retention by 20%. Integrated RESTful APIs with Axios and state management with Re

Software Engineer at InfoConsulting

December 1, 2022 - October 2, 2025

Developed dynamic web applications primarily using Angular, JavaScript, HTML5, CSS3, and Sass with responsive UI layouts for financial services clients, enhancing user satisfaction. Built and maintained reusable Angular components and services integrating REST APIs with RxJS observables for reactive programming. Collaborated remotely in Agile teams using Jira and Git for version control, ensuring smooth sprint deliveries. Utilized Bootstrap and TailwindCSS for rapid prototyping and consistent UI styling. Conducted front-end performance tuning, reducing page load times by up to 35%. Implemented unit testing with Jasmine and Karma to maintain code quality. Led migration of legacy UI to Angular 10+ for maintainability and scalability. Implemented CI/CD pipelines with Jenkins and GitHub Actions, automating build and deployment. Provided remote mentoring and peer code reviews.

Full Stack Developer at Capgemini

July 1, 2018 - October 2, 2025

Designed and developed full-stack solutions using JavaScript, Node.js, Vue.js, HTML5, CSS3, and REST APIs for client projects in retail and telecommunications. Implemented responsive and adaptive front-end designs with Vue.js and Vuetify, improving customer engagement metrics. Collaborated with back-end teams using Express.js and MongoDB to ensure API consistency. Participated in agile ceremonies, supporting continuous delivery in a remote environment. Introduced automated testing frameworks (Mocha, Chai) and contributed to UI/UX improvements based on user feedback, increasing satisfaction.