Cafeyn

• Participate in the development of APIs and other back-end components. • Ensure the operation, maintenance and evolution of existing systems. • Contribute to the technical design of our back-end systems. • Oversee all phases of development, including code review, versioning, documentation and maintenance. • Write unit tests, follow naming conventions and coding standards, and take part in code reviews. • Adhere to the established methods and processes (Agile methodology). • Maintain continuous technological monitoring in your area to quickly identify emerging technical solutions and software components (open-source, commercial software, etc.) that can be integrated into the company roadmap.

• You will join the Customer Care team and be responsible for handling our users’ daily requests. • Comfortable both speaking and writing, you handle customer requests via email, phone, and social media. • Ensure high-quality customer relationship follow-up in line with our KPIs. • Contribute to the optimization of tools and processes, and proactively report friction points/bugs encountered by our customers to internal teams. • Contribute to the continuous improvement of the service by proactively suggesting improvements.

• Participate in the development of APIs and other back-end components. • Ensure the operation and maintenance as well as the evolution of existing systems. • Participate in technical design of our back-end systems. • Ensure all phases of development, code review, versioning, documentation and maintenance. • Write unit tests, follow code naming and coding style rules, participate in code reviews. • Respect the methods and processes put in place (agile methodology). • Ensure a permanent technological watch on its technological sector in order to be able to quickly detect emerging technical solutions and software bricks (Open Source, market software, etc.) that can be integrated into the company's roadmap.

• Design, build, and optimize high-performance web applications using Vue 3 and TypeScript • Work closely with Product, Design, and Back-End teams to create scalable, accessible, and elegant user experiences • Develop and maintain scalable and reusable front-end applications using Vue 3 and TypeScript • Build shared and common UI components • Collaborate with UX/UI designers to deliver responsive and polished interfaces • Ensure high standards in performance, SEO, and accessibility • Write clean, maintainable, and well-structured code • Contribute to architecture discussions and technical decisions • Implement and maintain unit and E2E testing • Participate in code reviews and GitHub workflows • Debug and solve cross-browser and performance issues • Stay up to date with modern web technologies and internet culture • Foster a collaborative environment through feedback, mutual support, and knowledge sharing

Role Description As a Senior Front-End Web Developer, you will design, build, and optimize high-performance web applications using Vue 3 and TypeScript. You’ll work closely with Product, Design, and Back-End teams to create scalable, accessible, and elegant user experiences while contributing to technical decisions, architecture, and best practices. - Develop and maintain scalable and reusable front-end applications using Vue 3 and TypeScript - Build shared and common UI components - Collaborate with UX/UI designers to deliver responsive and polished interfaces - Ensure high standards in performance, SEO, and accessibility - Write clean, maintainable, and well-structured code - Contribute to architecture discussions and technical decisions - Implement and maintain unit and E2E testing - Participate in code reviews and GitHub workflows - Debug and solve cross-browser and performance issues - Stay up to date with modern web technologies and internet culture - Foster a collaborative environment through feedback, mutual support, and knowledge sharing Qualifications - 5 years minimum experience with JavaScript ES6+ and TypeScript - Excellent knowledge of Vue 3 and its ecosystem - Notions on vuetify - Experience building reusable/common components - Solid understanding of clean code practices and front-end architecture - Experience with testing tools and methodologies - Comfortable with GitHub and collaborative workflows - Strong attention to detail and product quality Requirements - Team spirit and willingness to support others - Ability to give constructive feedback - Autonomous and proactive mindset - Alignment with values of sharing, continuous improvement, and ownership - Passion for new technologies and digital culture Hiring Process - HR Interview with one of our Talent Acquisition Manager (30’) - Hiring manager & technical interview with our tech lead and senior front dev This is a freelance contract starting now until end of December 2026. You don’t have to match all the requirements; if you feel this offer could be a great opportunity for you, reach out anyways! We hire based on talent and we promote inclusivity inside Cafeyn and strongly believe that our culture is strongest when it is the most diverse.

Role Description You will join the Tech team - Back End team composed of a team of over 10 developers to ensure the robustness, scalability, performance, and security of the company’s back-end systems. - Participate in the development of APIs and other back-end components. - Ensure the operation and maintenance as well as the evolution of existing systems. - Participate in technical design of our back-end systems. - Ensure all phases of development, code review, versioning, documentation and maintenance. - Write unit tests, follow code naming and coding style rules, participate in code reviews. - Respect the methods and processes put in place (agile methodology). - Ensure a permanent technological watch on its technological sector to quickly detect emerging technical solutions and software bricks (Open Source, market software, etc.) that can be integrated into the company's roadmap. Qualifications - Strong working knowledge of C# (.Net Core framework) - SQL experience - Strong knowledge of REST APIs and/or gRPC - Experience with development tools, source management and CI/CD - Experience in performance optimization, unit tests and best practice - Product vision - Team play and strong sense of cross collaboration - Bilingual in French and English Requirements - This job is a freelance opportunity until end of December 26. Hiring Process - HR Interview with one of our Talent Acquisition Manager (30’) - Hiring manager and Technical Interview with our Back end Manager, David.

• Participate in the development of APIs and other back-end components • Ensure the operation and maintenance as well as the evolution of existing systems • Participate in technical design of our back-end systems • Ensure all phases of development, code review, versioning, documentation and maintenance • Write unit tests, follow code naming and coding style rules, participate in code reviews • Respect the methods and processes put in place (agile methodology) • Ensure a permanent technological watch