Sr. DI Modernization Engineer (Mexico)

Location: Hermosillo and Mexico City (HYBRID)

Mode: Hybrid

Job Title: Sr DI Modernization Engineer

Key Skills: Elixir, RESTful APIs, Postgres, Kafka, AWS, DataDog, Claude, Git/GitHub Actions, Jira

Experience: 4+ years

We are hiring Position with the following skill set.

This role is focused on a senior backend engineer who can architect, build, and operate scalable, highly available backend platforms and APIs.

Core Technical Skills

Backend Architecture & Distributed Systems

- Designing large-scale, high-availability backend systems- Microservices architecture- Event-driven architecture- API platform design- Scalability, reliability, and performance engineering- Programming Languages- Elixir (mandatory) — 2+ years of production experience- Strong backend development experience (8+ years overall)

API Technologies

- REST APIs- GraphQL- gRPC- Ability to select the appropriate API paradigm based on requirements- Cloud & Infrastructure- AWS (required)- Docker- Kubernetes- Production deployment, monitoring, and scaling

Data & Messaging

- PostgreSQL- Database performance optimization- Caching strategies- Kafka (hands-on experience at scale)

Observability & Reliability**

- DataDog- Monitoring- Logging- Alerting- SLO-driven engineering

DevSecOps





- CI/CD pipelines- Automated testing- Security integration throughout SDLC- Infrastructure automation

Security

- Secure API design- Authentication & authorization- Access control- Encryption and data protection

Primary Responsibilities

- Architect and build strategic backend services- Define technical roadmap and architecture direction- Lead scalable system design decisions- Establish observability and reliability standards- Drive DevSecOps and engineering best practices- Collaborate across product, engineering, and infrastructure teams

2. Good-to-Have Skillset

These skills strengthen candidacy but are secondary to the core backend/platform engineering requirements.

AI-Assisted Development

- Claude Code expertise- LLM-based development tools- AI-assisted coding workflows- Developer productivity automation

Engineering Practices

- Agile/Scrum experience- Technical documentation- API documentation- Knowledge sharing and mentoring- Operational runbooks

Soft Skills

- Technical leadership- Cross-functional collaboration- Stakeholder management- Strategic thinking- Ability to communicate complex technical concepts to non-technical audiences

Additional Platform Expertise

- Self-service platform design- Internal developer platforms- API productization- Long-term technical roadmap planning- System modernization initiatives

📌 DI Modernization Engineer (Ciudad de México)
🏢 Greymatter Innovationz
📍 Ciudad de México