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-*-ljbffr