Senior Full Stack Engineer with strong backend skills

Job Description "Colorkrew Biz" aims to reduce unproductive work though QR code technology. Using QR and authentication technology, you can easily manage seats, schedule appointments, manage company equipment, and send mail. We looking to further evolve these services and develop new features. We are looking for a developer who can be entrusted with the development of our applications and microservices. • Collaborate with product managers, designers and engineers to deliver high-quality frontend components and backend services • Participate in and contribute to the planning processes to design products that fit within business and technical constraints • Respond quickly and independently to the rapidly changing needs of users • Develop and optimize both backend and frontend service and infrastructure Requirements • 4+ years of experience developing web services in a cloud or virtual environment • 4+ years of system development experience using server-side languages (C++, PHP, Ruby, Java, Python, Go, etc.) • 3+ years of experience designing and operating database infrastructure (SQL Server, MySQL, PostgreSQL, NoSQL) • Excellent communication skills • Able to use English at a fluent or native level Nice to have • Proficiency of JavaScript / TypeScript, CSS, or HTML and experience with modern frontend frameworks (React, Vue, Svelte, etc) Working Conditions Employment Status Full-time • Probationary period: First 3 months after joining the company. (During this period your contract conditions will be the same as that of a permanent employee.) Work Hours and Work Place • Scheduled working hours:9 AM – 6 PM (Core time:10 AM - 2 PM) • Hybrid work style of coming to the office and working remotely. Many of us come to the office about half a day a week. You can come to the office at your free time, avoiding crowded train times. • There are also people who live in remote areas outside the Tokyo suburbs, and they basically work remotely. They come to the office about once a month on business trips. • We have no plans to go back to office commuting altogether. We will continue to do hybrid work, mainly remote work. Holidays • Two days off per week (as well as national holidays, New Year's break, etc.) • Paid leave, congratulatory and bereavement leave, sick leave Salary • 12 months salary and bonuses paid in summer and winter. • Based on skills, experience, and abilities • Reviewed 4 times a year Benefits • Various social insurance benefits included • Work from home available • Support programs for self-improvement and career development (language learning, etc.) • Monthly business trip expenses for domestic local residents (up to 30,000 yen) Selection Process • Solve our coding challenge • 2 (or 3) interviews with our engineers and HR • Interview with our CEO Apply tot his job Apply To this Job