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 (México)
🏢 Greymatter Innovationz
📍 México