[Backend Engineer] Deeply Involved from Requirements Definition to Create the Future of the Product. Lead Growth by Incorporating Latest Stacks, Centered on Feature Development Reflecting Customer Feedback! Future Tech Lead and EM Candidate Too!

You will be responsible for backend development of our core products, the marketing SaaS "Synergy!" and "Synergy! LEAD". Our team does not have an "order-taker" mentality where we just build what we're told. Within our monthly release cycle, we engage in close discussions with Product Managers to co-create "what features are truly valuable to users" from the requirements definition stage. Because these are products that have been loved for many years, this is a phase whe...