Senior Frontend Developer M/F (RQTH) - Permanent contract

Join ORIS, a rapidly growing startup focused on sustainable construction technology. As a Senior Frontend Developer, you will play a crucial role in developing high-quality TypeScript React applications, collaborating with cross-functional teams, and ensuring a seamless user experience. This permanent position is based in Lyon, France, and offers a flexible home office policy, healthcare insurance, and other benefits.

• Concevoir, mettre en œuvre et maintenir des applications React de haute qualité, en veillant à ce qu'elles respectent les normes architecturales de l'entreprise.
• Collaborer étroitement avec les équipes de conception et de produit pour transformer les maquettes et les récits utilisateurs en interfaces utilisateur fonctionnelles et réactives.
• Écrire et maintenir des tests unitaires pour garantir la qualité des applications, et collaborer avec l'équipe QA pour résoudre les défauts et les problèmes.

**Hard Skills**

• 7+ years experience in frontend development
• Strong experience building modern web applications in TypeScript, React.js and Material UI
• Proficient in writing Unit Tests.
• Experience with modern web technologies and responsive design.
• Familiarity using agile development methodologies (Kanban or SCRUM)
• Good understanding of asynchronous request handling and partial page updates
• Strong knowledge of Git and comfortable in working with branches, merging code, and resolving conflicts.
• Knowledge or experience with GitLab CI/CD pipelines.
• Familiarity with browser testing and debugging using developer tools such as Chrome DevTools and Google lighthouse
• Knowledge of RESTful API design and development
• Experience or knowledge about authentication and authorization processes (i.e. OpenID Connect, OAuth, SAML, SSO)
• Familiarity with AWS and its core services
• Understanding of serverless architecture and microservices
• Experience with observability tools such as datadog is a plus

**Soft Skills**

• Excellent communication skills in English for collaborating with peers and effectively conveying technical concepts and discussing business requirements with non-technical colleagues
• Ability to prioritize and delegate tasks to ensure efficient project execution.
• Proficient in conducting code reviews and providing constructive feedback to maintain code quality.
• Effective problem-solving skills to identify and address issues in backend development processes.
• Ability to adapt to changing project requirements and manage timelines accordingly.
• Strong organizational skills to keep track of multiple tasks and ensure smooth coordination with external developers.
• Capacity to handle project documentation and ensure its accuracy and completeness.
• Proficient in presenting technical concepts and ideas to both technical and non-technical stakeholders.
• Experienced in mentoring junior developers to support their growth.

**Why join ORIS?**

• Be part of an exciting ConTech (construction technology) startup that makes a positive impact. Our mission-driven company is dedicated to turning sustainable infrastructure into reality.
• A collaborative and inclusive work environment that values creativity and teamwork.
• A highly talented international and multicultural team blending diverse expertise in engineering, digitalisation/AI and construction materials, where innovation thrives.
• Great office located near Part-Dieu in Lyon.
• Flexible home office policy.
• Healthcare insurance, with strong company contribution.
• MacBook provided.
• Lunch vouchers (8€/day lunchcard - 50% coverage by ORIS).