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 (Hermosillo)
🏢 Greymatter Innovationz
📍 Hermosillo