Senior Backend Developer – Azure, Java, Go, Kotlin

This is a fully remote position, open to applicants in Brazil.

📋 Description

• Create features and resolve issues for the ZeroLayer HTTP Router, which includes shard map lookup, Azure AD authentication, and correlation ID propagation.

• Integrate Azure Event Hubs into the ZeroLayer Kafka Router, utilizing consumer groups per cell, ensuring idempotency, and maintaining event traceability.

• Establish the data access layer for ZeroLayer Data, implementing sharding across Azure SQL and Cosmos DB.

• Contribute to Control Plane APIs, focusing on shard map retrieval and tenant registration functionalities.

• Integrate services with Azure Key Vault for managing secrets and application credentials.

• Design and uphold unit and integration tests.

• Conduct code reviews for fellow team members.

• Draft and evaluate schema migrations using Flyway or Liquibase, ensuring integration with the AKS deployment pipeline.

• Provide effort estimates and engage in technical refinement discussions.

• Execute queries and access Azure SQL while adhering to cell shard boundaries.

• Manage and maintain Cosmos DB collections, ensuring partitioning is aligned with the tenant key.

• Implement caching solutions using Azure Cache for Redis to minimize latency for frequently accessed operations.

• Navigate the ArgoCD deployment workflow, from code merge to production release on AKS.

• Set up health checks, readiness probes, and graceful shutdown procedures.

• Build and version container images for Azure Container Registry.

• Instrument services with structured logs, metrics, and correlation IDs within Datadog.

• Utilize Datadog APM to analyze production behavior and assist in incident resolution.

⛳️ Requirements

• Senior-level experience in the field.

• Proficiency in Java, Go, or Kotlin, with a background in developing production services.

• Experience with Azure SQL, focusing on data modeling, queries, and schema migrations.

• Familiarity with Cosmos DB, specifically with collections and partitioning that aligns with defined access patterns.

• Knowledge of Azure Event Hubs or Service Bus, with experience as a consumer or producer.

• Proficient in Azure Cache for Redis, with experience in implementing caching strategies in backend services.

• Experience with Azure Key Vault for managing secrets and application credentials.

• Understanding of AKS, including runtime environment management, health checks, and pod lifecycle oversight.

• Knowledge of ArgoCD and application deployment workflows based on the GitOps model.

• Experience in automated testing, including unit and integration testing as integral parts of the development process.

• Strong problem-solving abilities.

• Capability and comfort in working independently while managing your own schedule.

• Enthusiasm for tackling challenging and innovative scenarios within the technology sector.

🏝️ Benefits

• Multi-benefit card – choose how and where to utilize it.

• Scholarships available for undergraduate, graduate, MBA, and language courses.

• Incentive programs for certifications.

• Flexible working hours.

• Competitive salary packages.

• Annual performance reviews with a structured career development plan.

• Opportunities for international career advancement.

• Access to Wellhub and TotalPass.

• Private pension plan.

• Childcare assistance.

• Comprehensive medical insurance.

• Dental insurance coverage.

• Life insurance benefits.