Lead DI Modernization EngineerJob Title: Lead DI Modernization EngineerKey Skills: Elixir, RESTful APIs, Postgres, Kafka, AWS, DataDog, Claude, Git/GitHub Actions, JiraExperience: 8+ yearsLocation Hermosillo or Mexico CityMode: HybridWe 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 stakeholders2.
Good-to-Have SkillsetThese 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