Alex Rivera
Senior Software Engineer
Profile
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.
Education
B.Sc. Computer Science
University of California, Berkeley05/2016
GPA: 3.8 / 4.0
Experience
Senior Software Engineer
Cloudpath Technologies03/2021 – 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 Analytics06/2018 – 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 Studio09/2016 – 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.
Alex Rivera
Senior Software Engineer
Competencies
▪TypeScript / JavaScript
▪React & Next.js
▪Node.js
▪PostgreSQL
▪AWS (ECS, RDS, Lambda)
▪Docker & Kubernetes
▪System Design
▪Team Leadership
▪Technical Communication
▪Problem Solving
▪Agile / Scrum
▪Mentoring
Languages
English:Native
Spanish:Fluent
German:Intermediate
Interests
Open-Source Contributions, Rock Climbing, Science Fiction, Espresso Craft
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