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 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
- Data Dog
- Monitoring
- Logging
- Alerting
- SLO/SLA-driven operations




- Dev SecOps
- 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
- Data Dog Observability
- CI/CD + Dev SecOps
- 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 (Hermosillo)
🏢 Greymatter Innovationz
📍 Hermosillo