Narendhar Reddy Mareddy
Golang Developer @Capital One
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WORK HISTORY
Golang Developer @Capital One
Developed a reusable Go library to emit structured logs, metrics, and traces using OpenTelemetry SDK, supporting AWS Lambda environments.• Instrumented services with otelhttp, Zap, and otelzap, enabling trace-log correlation with automatic context propagation and span creation.• Built dynamic OTLP exporter configuration via YAML and environment variables, allowing flexible deployments across staging and production.• Refactored instrumentation logic into a versioned Go module, enabling reuse across microservices via go mod, improving maintainability and consistency of observability across the stack.• Integrated OTEL-Zap bridges, exporting logs to collectors while preserving JSON-formatted logs locally for easier debugging.• Enhanced telemetry performance by benchmarking OTEL components under high-throughput scenarios and conditionally disabling export/init delays to simulate production traffic patterns.• Implemented a Supervisor component to detect agent failures via logs, journal entries, and exit codes, enabling automated recovery and reporting.• Integrated OTEL Collector and Supervisor agents on AWS EC2, orchestrating service restarts, telemetry routing, and automated failure recovery using systemd and custom health probes.• Engineered fault-handling and fallback logic, including journalctl log scraping and OpAMP server-based config retrieval and retry mechanisms.• Designed a high-availability fallback mechanism for OTEL agent config retrieval via the OpAMP protocol, dynamically switching to database-driven configs during API outages.• Containerized the Supervisor with Docker, integrating it into CI/CD pipelines for staging validation and high-throughput performance benchmarking.• Collaborated across teams to validate end-to-end observability using Grafana, Prometheus, and Observe, ensuring traceability from request to OTLP.• Worked on unit and integration tests with GoMock and Testify, achieving 80% test coverage for Supervisor and telemetry logic.
EDUCATION
SNIST
Bachelor's of technology
The University of Texas at Arlington
Master's degree
ABOUT NARENDHAR REDDY MAREDDY
I am a dedicated Software Developer with around 3 years of experience, specializing in…
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