.Are you a talented developer who enjoys owning features end-to-end? We're looking for a Senior Fullstack Developer with a passion for building scalable solutions from the ground up, while also supporting and maintaining a legacy product. If you excel in Typescript, Fastify, NextJS, and Python/Django, and thrive in an environment that values integrity, accountability, and honest communication, we want to meet you!. We encourage developers to say "no" when needed and to ask for help when tackling challenging problems. Initiative and innovation drive success hereWhy Join Us?We believe in a culture that fosters ownership, proactive problem-solving, and transparent communication. You'll be part of a remote-first, cross-functional team dedicated to delivering high-quality solutions while collaborating closely on exciting projects. Whether designing new systems or debugging legacy ones, your contributions will help shape products that provide seamless user experiences.Our team values honesty. We encourage developers to say "no" when needed and to ask for help when tackling challenging problems. Initiative and innovation drive success here, and your work will directly impact the end-user's journey.What You'll Do:Dedicate 90% of your time to coding with Typescript, Fastify, and NextJS, with Python/Django knowledge for legacy support.Build a scalable product from scratch, ensuring a smooth integration of new features and maintaining focus on the user journey.Monitor and maintain the legacy product, resolving bugs and contributing to its stability.Collaborate on API integrations, particularly using OpenAI, with Langchain as a bonus skill.Take ownership of features from inception through deployment, ensuring a high-quality, seamless product experience.Work closely with stakeholders, ensuring projects are delivered on time and within scope.Commit code daily, and actively participate in team discussions and code reviews to maintain best practices and drive continuous improvement.What You Bring:Technical Expertise:Proficiency in Typescript with experience in Fastify and NextJS for building scalable applications.Solid experience with Python/Django to contribute to legacy systems.Familiarity with API integrations, especially OpenAI (experience with Langchain is a nice-to-have).Proficiency with PostgreSQL or MySQL databases.Experience working in Scrum and agile environments.Soft Skills:Strong problem-solving abilities with a proactive mindset.Excellent communication skills in English—both written and verbal.A sense of ownership and accountability for your work and the success of the team.Ability to manage time efficiently in a fast-paced, evolving environment.Willingness to learn and adapt to new technologies as needed.What It Takes to Succeed:Self-motivation and a passion for delivering high-quality solutions.A collaborative spirit and a willingness to ask for help or admit when something isn't clear