Senior Java Engineer - Observability Migration (Remote)

Opentrain Ai, Inc.; La Pampa; Remote; ARS 139,086,000 - 200,903,000; Part time

Job summary

Darwoft is seeking a Senior Software Engineer to lead the observability migration from New Relic to OpenTelemetry across a cloud-native stack. This contractor role is remote and global, coordinating with US/LATAM teams to ensure telemetry continuity while updating instrumentation, dashboards, and deployment manifests.

You will instrument applications, validate outputs, and drive a migration plan with strong emphasis on high-cardinality telemetry, testing, and documentation.

Qualifications

• Proven software engineering experience with hands-on in at least one modern language (Java, Python, Go, or JS/TS).
• Hands-on OpenTelemetry knowledge including tracing, metrics, logs, and Collector configurations.
• Experience with cloud observability and migrating from legacy platforms.
• Strong YAML/JSON manifest editing and API understanding.
• Experience with Git and CI/CD pipelines.

Responsibilities

• Migrate instrumentation from New Relic to OpenTelemetry.
• Update YAML configs, env vars, and deployment manifests.
• Run unit tests and validate telemetry delivery to backends.
• Identify telemetry gaps and coordinate with platform engineers.
• Update dashboards and runbooks.
• Track progress and migration risks.
• Ensure monitoring coverage remains during migration.

Skills

Java

Python

Go

JavaScript/TypeScript

OpenTelemetry (OTel)

Distributed tracing

Cloud observability

YAML/JSON manifests

Git / CI/CD

Tools

OpenTelemetry Collector

Kubernetes

Docker

Job description

Darwoft is seeking a Senior Software Engineer to lead the observability migration from New Relic to OpenTelemetry across a cloud-native stack. This contractor role is remote and global, coordinating with US/LATAM teams to ensure telemetry continuity while updating instrumentation, dashboards, and deployment manifests.

You will instrument applications, validate outputs, and drive a migration plan with strong emphasis on high-cardinality telemetry, testing, and documentation.