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lumieresystems

lumieresystems

Lead DI Modernization Engineer

Company

lumieresystems

Role

Lead DI Modernization Engineer

Location

Mexico City, CDMX, Mexico

Job type

Contract

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Salary

Not disclosed by employer

Job description

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
  • Good-to-Have Skillset

These are valuable differentiators but appear secondary to the core backend/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

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