Senior Frontend Software Engineer

Responsibilities

• Drive the integration and continuous delivery process to ensure platform stability for e-commerce
• Manage the full delivery chain including design (ADR, RFP), implementation, testing, and technical documentation
• Propose technical choices and contribute to team self-organization
• Act proactively in production management and application RUN
• Develop new features in collaboration with Product Managers

Requirements

• Minimum 5 years of experience in frontend development
• Proficiency in NextJS, React, and NodeJS
• Strong knowledge of HTML/CSS (W3C standards), JavaScript, and TypeScript
• Experience with CMS (Contentstack) and Git/GitHub (CI/CD)
• Expertise in unit and functional testing (Jest, Testing Library, Playwright)
• Familiarity with infrastructure tools like GCP, Docker, Kubernetes, Helm, and Flux CD
• Knowledge of observability tools (Datadog, GCP) and web performance (Lighthouse, Speedcurve)
• Understanding of digital accessibility (WVAG, RGAA)

Preferred Qualifications

• Solid culture of API, clean code, and engineering best practices
• Agile mindset focused on continuous improvement and collective intelligence
• Experience maintaining high availability and performance for production applications

About the Company

HELPLINE is a French Digital Services Company (ESN) that has been supporting IT departments in their digital transformation projects since 1994. With 3,600 specialists and 16 locations, the company maintains steady growth and offers a stable, professional environment.