Alex Rivera
Senior Software Engineer
alex.rivera@email.com
+1 (415) 555-0192
San Francisco, CA
Objective
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.
Skills
- 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
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
Dean's List — 6 semesters. Capstone: distributed key-value store with Raft consensus.
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