Lead DI Modernization EngineerJob Title: Lead DI Modernization EngineerKey Skills: Elixir, RESTful APIs, Postgres, Kafka, AWS, DataDog, Claude, Git/GitHub Actions, JiraExperience: 8+ yearsLocation Hermosillo or Mexico CityMode: Hybrid We are hiring Position with the following skill set.Backend Engineering & System Design8+ years of backend software engineering experienceDesigning and operating large-scale, highly available, distributed systemsMicroservices architectureEvent-driven architectureAPI design and developmentScalability, reliability, performance, and maintainability best practicesStrong software architecture and technical leadership capabilitiesElixir (Critical Requirement)2+ years of hands-on experience with ElixirDeep understanding of the Elixir runtime/ecosystemBuilding production-grade backend services using ElixirCloud & InfrastructureStrong AWS experienceDocker containerizationKubernetes orchestrationProduction deployment, monitoring,



and scalingAPIs & Service CommunicationREST APIsGraphQLgRPCAbility to select the appropriate protocol/pattern based on use caseData LayerPostgreSQLDatabase design and optimizationCaching strategiesMessaging & Event StreamingKafkaDesigning and operating Kafka-based systems at scaleObservability & ReliabilityDataDogMonitoringLoggingAlertingSLO/SLA-driven operationsDevSecOpsCI/CD pipelinesAutomated testingSecure software development practicesSecurity integration throughout the SDLCSecuritySecure API designAccess controlData encryptionGeneral application security principlesAI-Assisted DevelopmentHigh proficiency with Claude Code or similar AI coding toolsDemonstrated use of LLMs to improve development productivityCollaboration & CommunicationCross-functional collaborationTechnical documentationAbility to communicate with both technical and non-technical stakeholders2.
Good-to-Have SkillsetThese are valuable differentiators but appear secondary to the core backend/Elixir requirements:Leadership & Strategic ThinkingDefining technical roadmapsLong-term architecture planningDomain ownershipTechnical mentorship and guidanceMust HaveElixir (2+ years)Backend Engineering (8+ years)AWS + Docker + KubernetesKafkaPostgreSQLREST / GraphQL / gRPC APIsDataDog ObservabilityCI/CD + DevSecOpsDistributed Systems & MicroservicesAI-assisted development (Claude Code or equivalent)Nice to HaveTechnical leadership/architecture ownershipPlatform engineering mindsetAgile delivery experienceAdvanced documentation practicesReliability engineering and operational excellenceCross-functional stakeholder management

📌 Lead Di Modernization Engineer (Cajeme)
🏢 Greymatter Innovationz
📍 Cajeme