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Disclaimer – Must read: Commitment & Focus This role requires full-time dedication, with clear priority given to Darwoft projects during the established working hours. It is not compatible with other full-time professional engagements. Any additional professional activities must be disclosed in advance and must not interfere with the responsibilities or working hours of this role.
About Darwoft
Darwoft is a software factory that develops custom software solutions and provides IT staff augmentation services for international clients, primarily in the United States and Latin America. We partner with startups and high-growth companies to build high-impact digital products. Our culture is people-first, focused on technical quality, long-term relationships, and a collaborative mindset. We combine technical excellence with human proximity.
Senior Software Engineer — Observability Migration | Contractor Global
General Information
Location: Remote (Global)
Contract Type: Contractor
Industry / Project: Fintech / Conversational AI & Infrastructure
Time Zone: Coordination with US / LATAM / Global teams
English Level: Advanced (C1)
About The Role
We are seeking a Senior Software Engineer to support and execute a critical observability migration. In this role, you will lead the transition of our application and infrastructure telemetry from New Relic to a modern, OpenTelemetry (OTel) Collector-based architecture. You will be responsible for re-instrumenting applications, updating infrastructure manifests, validating telemetry outputs, and ensuring seamless monitoring coverage across our high-scale ecosystem without compromising operational visibility.
Key Responsibilities
Migrate existing application instrumentation, tracing, and telemetry configurations from New Relic to OpenTelemetry.
Update YAML configuration files, environment variables, and deployment manifests according to established architecture standards.
Execute unit tests and validation suites to verify that telemetry is accurately generated, transformed, and exported to target backends.
Perform telemetry gap analysis, comparing existing New Relic data against OTel outputs to identify missing traces, metrics, logs, or resource attributes.
Assist in updating dashboards, monitoring documentation, and troubleshooting guides to reflect the OTel architecture.
Investigate telemetry collection and export errors, identifying root causes and collaborating with core platform engineers on complex edge cases.
Maintain clear tracking and reporting of implementation progress, edge cases, and potential migration risks.
Requirements
Must-Have:
Proven experience in software engineering with proficiency in at least one modern language (Java, Python, Go, or JavaScript/TypeScript).
Hands-on experience with OpenTelemetry (OTel) concepts, including distributed tracing, metrics, logs, and OTel Collector configurations.
Deep experience with cloud observability paradigms and transitioning off legacy platforms like New Relic.
Solid understanding of HTTP, APIs, environment-based configurations, and reading/modifying complex YAML/JSON manifests.
Strong background in software testing, debugging, log analysis, and validating high-cardinality telemetry data.
Familiarity with modern software delivery workflows (Git, PRs, CI/CD pipelines).
Nice-to-Have:
Experience operating or configuring OTel Collectors in Kubernetes or containerized environments.
Knowledge of FinOps and cost-optimization strategies related to telemetry ingestion rates.
Key Deliverables & Success Criteria
Execution: Successfully updated application instrumentation, validated OTel Collector configs, and verified end-to-end telemetry delivery to designated backends.
Documentation: Updated technical documentation, migration checklists, and runbooks.
Quality & Continuity: Zero removal of critical monitoring coverage during the migration window, with all pull requests passing automated tests and code reviews.
What We Offer (Contractor)
Contractor agreement with payment in USD.
100% remote work in an international setting.
Access to Argentine public holidays.
Direct involvement in modernizing core platform observability for a high-growth fintech ecosystem.
Professional development, learning platforms, and referral programs.
Explore this and other opportunities at: www.darwoft.com/careers
Work arrangement
Yes
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