Location: Fully remote, EU timezone (CET /- 2 hours) Start date: ASAP Languages: English is mandatory; French is a plus Client: Cloud Computing / Blockchain / AI - European SaaS Responsibilities: Backend Development: Design and develop scalable, distributed, server-side software applications and microservices. Implement remote solutions to facilitate peer-to-peer communication. Ensure cross-platform functionality and application compatibility. Optimize solutions for performance, reliability, and scalability. Establish and enhance security measures. Develop reusable code libraries for backend functionalities. Engage closely with product and design teams to grasp end-user requirements thoroughly. Conduct thorough code reviews and provide mentorship to development teams. Frontend Development: Collaborate with the Product Designer to conceptualize and execute product designs. Develop efficient and reusable front-end components and systems. Create clean and maintainable code solutions. Optimize solutions for enhanced speed and stability. Develop reusable code libraries (UI-ToolKit). Identify and resolve performance bottlenecks. Engage actively in the application lifecycle management. Promote and communicate best practices for front-end engineering. Contribute to all stages of our product pipeline, from inception to delivery. General Responsibilities: Participate actively in Agile Scrum team activities, including backlog prioritization, sprint planning, and stand-ups. Write high-performance, reusable, and fully unit-tested code for both backend and frontend components. Enhance code quality by writing unit tests and implementing automation. Foster collaboration with team members to integrate innovative ideas. Champion and uphold best engineering practices, maintaining high standards for quality and craftsmanship. Required Qualifications: Experience: Minimum 7 years of experience as a Fullstack Developer, or similar role with experience in both backend and frontend technologies. Technical Skills: Backend : Proficiency in Go technologies, and practical knowledge of internet technologies such as TCP/IP, HTTP, HTML, and XML. Frontend : Proficient in coding single-page JavaScript applications (SPA's) using modern frameworks such as React.js , Redux.js, JavaScript, Node.js, or similar technologies. Strong understanding of design patterns, multi-threaded programming, and service-oriented architectures including REST and JSON. Proficiency in HTML5/CSS3 and Object-Oriented JavaScript Frameworks, including TypeScript.