Full\-time Remote work allowed **About this role** At Unholster, we are looking for a Senior Software Engineer who wants to join our team and is eager to keep growing. We're seeking someone capable of making key technical decisions, leading complex projects, and supporting the rest of the team in designing and evolving robust systems. We are particularly interested in positioning this role as central to strengthening our technical capabilities and advancing our software development practices. As you progress in the role, you will have the opportunity to take on technical leadership responsibilities, either as a technology domain expert, team lead, or by defining cross-cutting standards in collaboration with other areas of the company. **Job responsibilities** * Lead the design of complex software components, proposing scalable and sustainable technical solutions. * Negotiate and define work plans with project managers, stakeholders, and technical teams. * Review and validate the technical work of other engineers, providing rigorous and constructive feedback. * Make informed decisions about technologies to adopt and development processes to follow. * Participate in architecture discussions, standard documentation, and stack evolution. * Be a reference in engineering practices: testing, quality, security, documentation, CI/CD, observability, among others. * You will report directly to the Director of Technology. **What are we looking for?** * At least 4 years of professional experience developing production systems. * Demonstrated ability to design and maintain complex, scalable, and maintainable software. * In-depth knowledge and practical experience in **front-end** development (ideally with React), **back-end** development (ideally with Python and Django), relational databases (ideally Postgres), and containers (**Docker**). * Experience in cloud environments (ideally AWS) and collaborative work with DevOps teams. * Intermediate\-advanced English: fluent reading and effective written communication skills.