A leading software development company in puebla is seeking a senior backend engineer to transform core systems by re-engineering legacy workflows into scalable architectures. The ideal candidate will have extensive experience in c#, multi-threading, and performance tuning. Key responsibilities include leading application design, optimizing sql queries, and deploying solutions on aws. The role offers strong technical ownership and opportunities for professional growth, with a competitive compensation package and flexible working hours.#j-18808-ljbffr