Lead DI Modernization Engineer Job Title: Lead DI Modernization Engineer Key Skills: Elixir, RESTful APIs, Postgres, Kafka, AWS, DataDog, Claude, Git/GitHub Actions, Jira Experience: 8 years Location Hermosillo or Mexico City Mode: Hybrid We are hiring Position with the following skill set. Backend Engineering & System Design 8 years of backend software engineering experience Designing and operating large-scale, highly available, distributed systems Microservices architecture Event-driven architecture API design and development Scalability, reliability, performance, and maintainability best practices Strong software architecture and technical leadership capabilities Elixir (Critical Requirement) 2 years of hands-on experience with Elixir Deep understanding of the Elixir runtime/ecosystem Building production-grade backend services using Elixir Cloud & Infrastructure Strong AWS experience Docker containerization Kubernetes orchestration Production deployment, monitoring, and scaling APIs & Service Communication REST APIs GraphQL gRPC Ability to select the appropriate protocol/pattern based on use case Data Layer PostgreSQL Database design and optimization Caching strategies Messaging & Event Streaming Kafka Designing and operating Kafka-based systems at scale Observability & Reliability DataDog Monitoring Logging Alerting SLO/SLA-driven operations DevSecOps CI/CD pipelines Automated testing Secure software development practices Security integration throughout the SDLC Security Secure API design Access control Data encryption General application security principles AI-Assisted Development High proficiency with Claude Code or similar AI coding tools Demonstrated use of LLMs to improve development productivity Collaboration & Communication Cross-functional collaboration Technical documentation Ability to communicate with both technical and non-technical stakeholders 2. Good-to-Have Skillset These are valuable differentiators but appear secondary to the core backend/Elixir requirements: Leadership & Strategic Thinking Defining technical roadmaps Long-term architecture planning Domain ownership Technical mentorship and guidance Must Have Elixir (2 years) Backend Engineering (8 years) AWS Docker Kubernetes Kafka PostgreSQL REST / GraphQL / gRPC APIs DataDog Observability CI/CD DevSecOps Distributed Systems & Microservices AI-assisted development (Claude Code or equivalent) Nice to Have Technical leadership/architecture ownership Platform engineering mindset Agile delivery experience Advanced documentation practices Reliability engineering and operational excellence Cross-functional stakeholder management

📌 Lead DI Modernization Engineer (Sonora)
🏢 Greymatter Innovationz
📍 Sonora