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
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✦
Work ExperienceSenior Software Engineer
Cloudpath Technologies
03/2021 – Present
Achievements:
▶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
Achievements:
▶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
Achievements:
▶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.
A
Personal ProjectsOpenTrace — 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.
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EducationB.Sc. Computer Science
University of California, Berkeley · GPA 3.8 / 4.0
08/2012 – 05/2016
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General SkillsTypeScript / JavaScript
Expert
React & Next.js
Expert
Node.js
Expert
PostgreSQL
Advanced
AWS (ECS, RDS, Lambda)
Advanced
Docker & Kubernetes
Advanced
System Design
Advanced
Team Leadership
Advanced
Technical Communication
Expert
Problem Solving
Expert
Agile / Scrum
Advanced
Mentoring
Advanced
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LanguagesEnglish
Spanish
German
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InterestsOpen-Source Contributions
Rock Climbing
Science Fiction
Espresso Craft
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