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
Education
B.Sc. Computer Science
University of California, Berkeley
GPA: 3.8 / 4.0
08/2012 - 05/2016
Work Experience
Senior Software Engineer
Cloudpath Technologies
Achievements & Tasks:
−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
Achievements & Tasks:
−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
Achievements & Tasks:
−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.
Areas of Expertise
TypeScript / JavaScriptReact & Next.jsNode.jsPostgreSQLAWS (ECS, RDS, Lambda)Docker & KubernetesSystem DesignTeam LeadershipTechnical CommunicationProblem SolvingAgile / ScrumMentoring
Personal Projects
OpenTrace — Distributed Tracing SDK
−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
−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.
Interests
Open-Source Contributions
Rock Climbing
Science Fiction
Espresso Craft
Certificates
AWS Certified Solutions Architect – Professional (2023)
Amazon Web Services
Certified Kubernetes Administrator (CKA) (2022)
Cloud Native Computing Foundation
Languages
EnglishNative
SpanishFluent
GermanIntermediate
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