Lead DI Modernization Engineer Job Title: Lead DI Modernization Engineer Key Skills: Elixir, RESTful APIs, Postgres, Kafka, AWS, Data Dog, Claude, Git/Git Hub Actions, Jira Experience: 8+ years Location Hermosillo or Mexico City Mode: Hybrid We are hiring Position with the following skill set. Backend Engineering & System Design8+ years of backend software engineering experience Designing and operating large-scale, highly available, distributed systems Microservices architecture Event-driven architectureAPI 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 scalingAPIs & Service CommunicationREST APIsGraphQLgRPCAbility to select the appropriate protocol/pattern based on use case Data Layer PostgreSQLDatabase design and optimization Caching strategies Messaging & Event Streaming Kafka Designing and operating Kafka-based systems at scale Observability & Reliability Data DogMonitoring Logging AlertingSLO/SLA-driven operations DevSec OpsCI/CD pipelines Automated testing Secure software development practices Security integration throughout the SDLCSecurity Secure API design Access control Data encryption General application security principlesAI-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 stakeholders2.

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 PostgreSQLREST / GraphQL / gRPC APIsData Dog ObservabilityCI/CD + Dev SecOps Distributed Systems & MicroservicesAI-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 (Hermosillo)
🏢 Greymatter Innovationz
📍 Hermosillo