Alex Rivera
Senior Software Engineer
Full-stack engineer with 7+ years building scalable web applications and distributed systems. Led a team that reduced API response times by 62% and cut infrastructure costs by $240K annually. Passionate about clean architecture, developer experience, and shipping products that users love.
alex.rivera@email.com
+1 (415) 555-0192
San Francisco, CA
Areas of Expertise
TypeScript / JavaScriptReact & Next.jsNode.jsPostgreSQLAWS (ECS, RDS, Lambda)Docker & KubernetesSystem DesignTeam LeadershipTechnical CommunicationProblem SolvingAgile / ScrumMentoring
Work Experience
Senior Software Engineer
Cloudpath Technologies
03/2021 - Present
Architected and led the migration of a monolithic Node.js backend to microservices on AWS, reducing P99 latency from 840 ms to 310 ms.
Owned the real-time data pipeline handling 2M+ events/day using Kafka and Flink.
Mentored a team of 4 engineers, introduced weekly architecture reviews that halved the bug escape rate.
Drove adoption of TypeScript across 11 services, eliminating an entire class of runtime errors.
Software Engineer
Nimbus Analytics
06/2018 - 02/2021
Built a self-serve analytics dashboard used by 300+ enterprise clients, increasing feature adoption by 48%.
Designed a PostgreSQL query-optimisation layer that cut average dashboard load time from 4.2 s to 0.9 s.
Integrated Stripe billing and reduced payment failures by 23% through smart retry logic.
Collaborated with product and design to ship 6 major features under tight quarterly deadlines.
Junior Frontend Developer
BrightSpark Studio
09/2016 - 05/2018
Delivered 15+ client websites using React and CSS-in-JS; average Lighthouse performance score 94.
Built a reusable component library that cut new-project setup time by 60%.
Implemented A/B testing framework that informed design decisions leading to a 31% conversion uplift.
Projects
OpenTrace — Distributed Tracing SDK
2023 – Present
Open-source TypeScript SDK for distributed tracing compatible with OpenTelemetry. Reached 4,200 weekly npm downloads within 3 months of launch.
Implemented W3C TraceContext propagation and auto-instrumentation for Express, Fastify, and Hapi.
Maintained 98% test coverage; zero breaking changes across 12 minor releases.
DevDash — Developer Productivity Dashboard
2022
Internal tool adopted by 80 engineers at Cloudpath to surface PR cycle times, flaky test rates, and deploy frequency.
Built with Next.js, tRPC, and Prisma; integrated with GitHub API and Buildkite webhooks.
Reduced average PR review turnaround from 3.1 days to 1.4 days.
Education
B.Sc. Computer Science
University of California, Berkeley · GPA 3.8 / 4.0
08/2012 - 05/2016
Languages
English · NativeSpanish · FluentGerman · Intermediate
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