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.
Work Experience
Senior Software Engineer
Cloudpath Technologies
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
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
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.
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.
Certificates
AWS Certified Solutions Architect – Professional (2023)
Amazon Web Services
Certified Kubernetes Administrator (CKA) (2022)
Cloud Native Computing Foundation
Skills
TypeScript / JavaScriptReact & Next.jsNode.jsPostgreSQLAWS (ECS, RDS, Lambda)Docker & KubernetesSystem DesignTeam LeadershipTechnical CommunicationProblem SolvingAgile / ScrumMentoring
Education
B.Sc. Computer Science
University of California, Berkeley
GPA: 3.8 / 4.0
08/2012 – 05/2016
Awards
Engineering Excellence Award
Cloudpath Technologies
Best Capstone Project — CS Department
UC Berkeley
Languages
English
Spanish
German
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