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 Software Engineer - Backend (Hermosillo)
🏢 Greymatter Innovationz
📍 Hermosillo