Description

Senior Frontend Engineer with 15+ years of experience building customer-facing and enterprise web applications for global organizations. Seven years focused on React and TypeScript, delivering responsive booking and operations UIs used worldwide, with strong work in performance optimization, accessibility, analytics integration, and secure role-based workflows. Background in software process maturity (CMMI Level 3 / SCAMPI). Combines enterprise delivery discipline with modern practice, including AI-assisted development governed by peer review and compliance standards.

Industry field of expertise

Languages

English
Fluent
Romanian
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

DHL
Senior React Developer
TRANSPORTATION
November 2025 - Today (9 months)
Cluj-Napoca, Romania
Built customer-facing shipping flows on DHL.com using React and Vite, deployed across markets worldwide and used by millions of customers booking Express, Parcel, and Global Forwarding shipments. Work spanned the quote-to-book journey: responsive offer presentation, product handover, analytics, accessibility, international date handling, and CMS-driven translations.
● Languages: JavaScript (10+ years), TypeScript (6+ years), HTML/CSS (10+ years), C# / .NET
● Frontend: React (7+ years), Angular, Vite, Webpack, responsive design, component-driven UI, CSS Modules, Styled Components, Tailwind CSS
● State & forms: Zustand, Redux, Redux Saga, React Context, Formik, React Hook Form, TanStack Query
● UI & design systems: Material UI, enterprise design libraries, Storybook
● Quality & testing: React Testing Library, Vitest, unit and integration testing, Selenium, accessibility (WCAG-oriented UI work)
● Product & platform: Internationalization (i18n), timezone/locale handling, analytics instrumentation (Adobe Analytics / Target), cross-browser compatibility
● Tooling & delivery: Git, GitHub, GitLab, Azure, TeamCity, Jenkins, Docker, CI/CD pipelines
● Process & architecture: CMMI Level 3 / SCAMPI, RBAC-aware UI, code quality (ESLint, SonarQube), peer review, compliance-oriented delivery
● AI-assisted development: Pragmatic use of Copilot, Claude,
artificial intelligence Typescript HTML5 JavaScript Agile Project Management
Siemens Energy
Omnivise Asset Management
ENERGY AND UTILITIES
October 2023 - November 2025 (2 years and 1 month)
Cluj-Napoca, Romania
• ● Complete development of a new feature for viewing, selecting, sorting, searching and editing scores for the criticality of every asset, organized in a lazy loading tree structure.
• ● Developed a module that streamlined data import and export of templates that were used for automating the creation of business entities used in many parts of the application, speeding up data entry by orders of magnitude.
• ● Migrated many components built with TailwindCSS or Styled Components to MaterialUI (MUI), extending consistency by about 20%.
• ● Improved scrolling of large sets of data by 10x with virtualized tree and grid data loading.
• ● Mitigated 100% of unauthorized functionality risks by architecting a strict RBAC (Role-Based Access Control) integration between the User Management module and critical frontend interface components.
• ● Improved quality with more robust and fast unit testing, speeding up build pipeline processes.
• ● Improved ESLint and Sonar Qube guidelines adoption and fixing thousands of errors and warnings across all components from all modules.
Typescript React.js JavaScript HTML5 MaterialUI
Apple
Senior React Developer
TECH
May 2022 - October 2022 (5 months)
Cluj-Napoca, Romania
⚛ Apple Cloud Services management platform The client, a global software and consumer electronics producer, had various features to implement and maintain in their cloud services management app. Outdated code affected performance. Prototyping and reusing components was awkward as storybook was not present.
• % by fixing hundreds of ESlint errors, also improving React rendering.
• % on some pages by modifying the forms so that users can't enter invalid combinations; this also fixed some unhandled errors.
• - with the help of Storybook that was setup to hold various components so that developers and managers could see actual functionality before taking decisions.
React.js HTML5 CI/CD Management JavaScript GraphQL