Vishal Raj
Principal Software Engineer at Elastic
United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolVishal Raj is a Principal Software Engineer with 13 years of experience building back-end systems and observability tooling, currently driving platform work at Elastic in the UK. He has a strong track record in distributed systems, telemetry and exporter integrations—contributing notable improvements to Elastic APM and the OpenTelemetry Collector (including reliability tests, benchmarks, and ECS-compatible span enhancements). Prior leadership roles at GO-JEK and Works Applications show he balances hands-on engineering with technical team leadership and reliability-focused automation. An IIT Kharagpur alumnus, he brings a math-and-computing foundation to pragmatic engineering, with a penchant for surfacing subtle telemetry data (e.g., service target indexing and expvar metric aggregation) that improves production observability.
12 years of coding experience
8 years of employment as a software developer
AISSCE, Science, AISSCE, Science at Shivam School Bihta, PatnaAISSE, AISSE at Delhi Public School, PatnaMaster's Degree, Mathematics and Computing, Master's Degree, Mathematics and Computing at IIT Kharagpur
Github Skills (18)
elasticsearch-api10
apidoc10
testing10
amazon-elasticsearch10
elasticsearchquery10
go10
api10
aws-elasticsearch10
opentelemetry10
elasticsearch10
integration-testing10
test-automation10
benchmark9
benchmarking9
performance-monitoring9
Programming languages (11)
Github contributions (5)
elastic/apm-server
Apr 2022 - Jan 2023
Role in this project:
Back-end Developer
Back-end DeveloperContributions:352 reviews, 49 commits, 225 PRs in 8 months
Contributions summary:Vishal's commits primarily focused on extending the APM Server's intake API and data models. They added support for target service information within span data, enabling the indexing of service targets in an ECS-compatible manner. Furthermore, the user implemented features for collecting and aggregating metrics from the expvar endpoint, including mean, max, min, and last values. They also fixed issues related to rate limits and data processing, and added a configuration option.
performance-monitoringapmdevopserror-monitoringperformance-metrics
open-telemetry/opentelemetry-collector-contrib
Mar 2024 - Mar 2025
Contrib repository for the OpenTelemetry Collector
Role in this project:Backend Engineer & Test Automation Engineer
Backend Engineer & Test Automation EngineerContributions:150 reviews, 22 PRs, 194 comments in 1 year
Contributions summary:Vishal contributed to the development and improvement of integration tests within the OpenTelemetry Collector Contrib repository, specifically focusing on the Elasticsearch exporter. They added new reliability tests and extended existing integration tests to cover both traces and logs. Furthermore, the user introduced benchmarks to assess the performance of the Elasticsearch exporter's consumers and made related improvements, including fixing race conditions and addressing error logging within the testing framework.
contribopentelemetry-collectortracingtempoobservability
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