Elia Camposilvan

Senior Software Engineer - Paris

Experience

Datadog ‧ Full-time

Jul 2020 - Present ‧ Paris, France

Drove 4 cross-product initiatives by authoring RFCs and defining API contracts, coordinating safe rollouts on reliability-sensitive services.
Built and evolved log processors (new processors + expanded coverage), improving threat-intelligence log enrichment and enforcing strict schema-validated processing.
Operated the core Kafka-based MapReduce engine powering the security product, introducing a new derived event stream to enable risk scoring; improved stability via alert tuning and incident response.
Proposed, led and shipped engineering initiatives:
- Drove a ~35% MoM increase in organizations with correctly configured SIEM log sources by improving the configuration flow.
- Introduce admin panel for streamlined admin operations.
- Improve e2e tests setup to have coverage across all datacenters, reduce flakiness, and cut test run durations by 25%.
Extensive engineer mentorship, involving formal training for 7 new hires, thorough pull requests reviews, knowledge sharing initiatives.

Rawfish industries ‧ Full-time

Apr 2016 - Jul 2020 ‧ Italy

Led team of 2 engineers and drove development of a video streaming web application (~13M sessions/month).
Diagnosed and fixed memory leaks and performance issues through heap snapshots / performance profiling. Introduced guardrails to prevent regressions.
Built automated performance monitoring (Node.js + Puppeteer + Lighthouse) to track KPIs over time and detect regressions in CI/CD.
Reduced node SSR service docker image size by 3.5× using multi-stage builds, improving build times and deployment efficiency.
Improved First Meaningful Paint by 4x and SEO by introducing and operating Server-Side Rendering via ReactDOMServer.

Zextras ‧ Internship

Sep 2015 - Feb 2016 ‧ Italy

Worked on porting the company's software setup to a more maintainable java application. Experience with Java development, OOP and TDD.

Languages: Go, Java, Python, SQL, Javascript/Typescript
Backend: Microservices, REST APIs, gRPC, Event-Driven architecture, Stream processing
Infrastructure / Delivery: Kubernetes, Docker, Terraform
Databases/Execution engines: PostgreSQL, MongoDB, Trino
Observability: monitoring, alerting, dashboards, incident triage
Testing: Testify, Gomock, JUnit, AssertJ, Pytest, end-to-end testing