Senior Frontend Developer

Pharos Solutions GmbH; Alexandria (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

Pharos Solutions is seeking a Senior Frontend Developer for its Alexandria, US-based team. You will architect and implement scalable client-side systems, translate designs into responsive experiences, and drive performance improvements across core web vitals.

You will mentor teammates, define frontend standards, and ensure robust testing strategies using Jest, RTL, Cypress, or Playwright. English fluency is required, German a plus.

Qualifications

• Bachelors or Masters in Computer Engineering or equivalent required.
• 5+ years of relevant frontend development experience.
• Advanced JS (ES6+) and TypeScript, plus semantic HTML5 and modern CSS approaches.

Responsibilities

• Define and scale client-side architecture with robust data fetching strategies.
• Implement UI/UX from high-fidelity designs across browsers.
• Optimize performance to improve Core Web Vitals.
• Own component system and design tokens for consistency.
• Mentor peers and promote modern frontend best practices and testing strategies.

Skills

ES6+

TypeScript

Frontend frameworks

State management

Testing frameworks

Build tooling

Performance optimization

Web sockets

Docker

Kafka/Service Bus

English fluency

Education

BSc/MSc in Computer Engineering or equivalent

Tools

Tailwind CSS

CSS Modules

Styled Components

Next.js

Nuxt

TanStack Query

GraphQL/Apollo

Jest

React Testing Library

Cypress

Playwright

Vite

Webpack

Docker

Job description

Pharos Solutions in its Alexandria branch is looking for a \"Senior Frontend Developer\" with the following requirements

Must have:

• BSc/MSc in Computer Engineering or equivalent.
• 5+ years of relevant work experience as front-end developer.
• Advanced mastery of modern JavaScript (ES6+), TypeScript, and semantic HTML5 / modern CSS (including Tailwind CSS, CSS Modules, or Styled Components).
• Deep, hands-on production experience with a modern component-based framework—primarily React, Vue.js, or Angular, along with modern meta-frameworks like Next.js, or Nuxt.
• Extensive experience with state management libraries (e.g., Redux Toolkit, Zustand, Pinia) and efficient async data-fetching (e.g., TanStack Query, GraphQL/Apollo client).
• Proficient in writing automated tests using frameworks like Jest, React Testing Library, Cypress, or Playwright.
• Strong familiarity with modern frontend build pipelines and tooling (e.g., Vite, Webpack, Turborepo, CI/CD integrations).
• A knack for benchmarking and optimization.
• Attention to details.
• Experience with SignalR (or websocket e.g. socket.io).
• Experience with Docker.
• Familiarity with Kafka/service bus..
• Fluency in English (German is a plus).

Job Responsibilities and Duties:

• Architecture & State Management: Define and scale client-side architecture, managing complex global states and clean data fetching strategies.
• UI/UX Implementation: Translate high-fidelity designs into clean, responsive, and cross-browser compatible web experiences.
• Performance Engineering: Optimize web applications for maximum speed, scalability, and optimal Core Web Vitals (e.g., LCP, CLS, INP).
• Component System Ownership: Build and maintain scalable, reusable UI component systems or design tokens to ensure visual consistency across applications.
• Mentorship & Standards: Advocate for modern frontend best practices, direct code quality via reviews, and establish robust testing strategies (unit, integration, and E2E).