3Pillar logo

Senior Software Engineer - .NET Core/AWS

3Pillar Mexico • Guatemala


No Relocation

Posted: May 20, 2026

Additional Content

Job Description
  • 🌟 Distinguished Tech Innovator: 3Pillar warmly invites you to join an elite team of visionaries. Beyond software development, we are dedicated to engineering solutions that challenge conventional norms. Envision you: steering projects that redefine urban living, establish new media channels for enterprise companies or drive innovation in healthcare. Your invaluable expertise will serve as the cornerstone in shaping the future direction of our endeavors. This role transcends the ordinary realms of coding; it's about orchestrating technological marvels that disrupt industries. Seize this extraordinary opportunity in a team that is actively shaping the tech landscape for our clients, and set global standards along the way. 🌍🔥
  • KEY RESPONSIBILITIES Independently work in a technical direction and implementation in a team within a defined architecture in all stages from conceptualization to deployment. Evaluate trade-offs between correctness, robustness, performance, and customer impact to ensure the development of the right solution, with client success at the forefront. Collaborate with product, design, and engineering teams to provide necessary oversight of architecture and dependencies influencing product strategy and direction. Contribute to code reviews, documentation, and addressing complex bug fixes with a focus on security, performance, and reliability.
  • REQUIREMENTS A minimum of 7+ years of experience/expertise working as a Full Stack Engineer, with proficiency in the specified technologies. .NET CORE, C# / .NET 6+ with +3y experience Solid on working on AWS Cloud environments +3y experience (Lambdas, EKS, SQS) Solid on working with Relational and NoSQL experience DBs +3y experience each - SQL Server, MongoDB Experience working with Agile methodologies Solid experience working with microservices. Experience with Docker / Containerization - Kubernetes Solid experience working with APIs +3y experience Solid experience working with Unit Testing +2y experience Experience working with Object Oriented Programming and SOLID Principles Solid experience with multiple design patterns, theory, practice breaking down complexity, and their implementation. Ability to coach, help, and support peers, provide an accurate estimation of work CodeCommit GIT A high level of English proficiency is required to interact with a globally-based development team. Demonstrated experience following and adapting high-level architecture to project and client needs. Ability to verify/validate architecture implementations and influence overall architecture beyond the team. Expertise in applying object-oriented programming, with preferred experience in languages like Java/C#. High-level design proficiency following UML / C4 / ArchiMate. Experience in effectively working collaboratively among relevant information stakeholders to create and implement well-tested, scalable, secure, and performant enterprise-level systems that ultimately deliver the client’s desired business outcome. Demonstrated initiative in mentoring other engineers and decision-makers throughout the organization. Very good knowledge of architectural styles and design patterns, SOLID principles, and OWASP.
  • ADDITIONAL EXPERIENCE DESIRED Ability to provide technical orchestration among the overall tasks. Experience in building CI/CD pipelines. Knowledge of building Cloud Native applications.
  • BENEFITS 100% hiring Model Vacations. According to the law from your first anniversary. Discretionary Time Off (employees are able to take time off when necessary)* 26 days of Christmas bonus Food coupons Major medical insurance Life Insurance (optional) Savings box (optional) Law benefits: IMSS, Afore, Infonavit. Career plan that will let you grow and plan for the future Home Office Internal Trainings Support with external trainings and certifications Referrals bonus #Li-remote
  • What is it like working for 3Pillar Global? At 3Pillar, we offer a world of opportunity: Imagine a flexible work environment – whether it's the office, your home, or a blend of both. From interviews to onboarding, we embody a remote-first approach. You will be part of a global team, learning from top talent around the world and across cultures, speaking English everyday. Our global workforce enables our team to leverage global resources to accomplish our work in efficient and effective teams. We’re big on your well-being – as a company, we spend a whole trimester in our annual cycle focused on wellbeing. Whether it is taking advantage of fitness offerings, mental health plans (country-dependent), or simply leveraging generous time off, we want all of our team members operating at their best. Our professional services model enables us to accelerate career growth and development opportunities - across projects, offerings, and industries. We are an equal opportunity employer. It goes without saying that we live by values like Intrinsic Dignity and Open Collaboration to create cutting-edge technology AND reinforce our commitment to diversity - globally and locally. Join us and be a part of a global tech community! 🌍💼 Check out our Linkedin site and Careers page to learn more about what it’s like to be part of our #oneteam!
  • We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
  • apply for this job