Senior Fullstack Software Engineer AI/PHP/React

? Accomplished Tech Visionary

Elevate your expertise to new heights at 3Pillar, the premier destination for trailblazing senior software engineers like yourself. Picture collaborating with industry leaders, spearheading transformative projects that redefine urban living, establishing new media channels for enterprise companies, or driving innovation in healthcare. Our mission is to revolutionize the tech landscape, and your skills are integral to achieving this ambitious goal.

Your role extends beyond the realm of code composition; you will architect transformative solutions that reshape entire industries. Join us and spearhead the charge toward a tech future that transcends the ordinary. ??

Key Responsibilities

• Craft client code that is not just efficient but also performant, testable, scalable, secure, and of the highest quality.
• Work within an AI-driven development workflow, applying spec-driven development practices (writing clear specs/prompts that steer AI-assisted implementation)



and using GitHub Copilot as a core part of the daily engineering workflow.
• Ensure code is secure through Software Composition Analysis (SCA), and drive remediation through triaging, prioritization, remediation and verification.
• Provide accurate status tracking, reporting, and estimation using project methods and tools.
• Gather requirements, validate their understanding amongst the team, and create and maintain relevant documentation.
• Design and implement scalable AI and agentic workflows using LLMs, focusing on reliability and observability.
• Contribute to frontend features in React alongside backend services.
• Execute activities within the current methodology and uphold the highest quality standards.
• Partner directly with Product and Engineering leadership to translate complex business requirements into scalable technical solutions.
• Identify and remediate technical debt to improve system stability, performance, an

📌 Senior Fullstack Software Engineer AI+PHP+React (Toluca de Lerdo)
🏢 3Pillar
📍 Toluca de Lerdo