A leading software development firm in querétaro, mexico, is seeking a senior backend engineer to lead the transformation of core systems.the role requires expertise in c#, multi-threaded applications, and aws deployment.the ideal candidate will have over 4 years of experience, focusing on optimizing system performance while collaborating with cross-functional teams.competitive compensation, professional growth opportunities, and a flexible working schedule are offered.this position is ideal for someone passionate about impactful technology solutions.#j-*-ljbffr