Technology

Alex Rivera

Senior Front-End Developer

+1 (415) 555-0123

alex.rivera.dev@email.com

https://alexrivera.dev

San Francisco, CA

SUMMARY

Shipped 3 customer-facing React 18 apps averaging 99.8% Lighthouse performance. Cut user-reported bugs 60% by implementing TypeScript + Cypress CI/CD pipeline. Architected real-time collaborative features supporting 200+ concurrent users with <100ms latency.

EXPERIENCE

Senior Front-End Engineer

FinTechScale Inc.

2022–Present

Leading front-end architecture for Series B fintech platform serving 50K+ daily active traders.

•
Refactored legacy class components to React hooks, reducing bundle size 35% (1.8MB→1.2MB) and improving Time-to-Interactive by 1.1s for 50K daily active users
•
Engineered real-time collaborative trading dashboard using Redux Toolkit + WebSockets, enabling 200+ concurrent traders with <100ms data sync latency

SKILLS

Core Frameworks

React 18 (5yr)

Next.js 14

TypeScript (4yr)

JavaScript ES2023

Architecture & Performance

Micro-frontends & Module Federation

Design Systems

Webpack 5 & Vite

Code-splitting & Lazy-loading

Achievements

Issue #247: '5 Performance Hacks for React 18'

Playbook

Front-End Developer Resume Example (React)

The React-focused resume with a 23% interview rate

ReactTypeScriptPerformance

12 min

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Jordan Kim

Senior Full-Stack Engineer

+1 (650) 555-0198

jordan.kim.dev@email.com

https://jordankim.dev

Remote • Palo Alto, CA

SUMMARY

Scaled B2B SaaS from 10K to 1M+ MAUs by architecting distributed Node.js microservices (p95 latency <150ms) and React 18 frontend (99.9% uptime). Reduced AWS costs $47K/month via multi-region caching and PostgreSQL query optimization (avg query 12ms→3ms). Designed idempotent payment processing pipeline handling $12M MRR with 99.97% consistency.

EXPERIENCE

Senior Full-Stack Engineer

ScaleFinance (YC S21)

2022–Present

First full-stack hire; owned payment infrastructure, user-facing features, and cost optimization for fintech platform processing $12M MRR.

•
Architected event-driven payment saga across 6 microservices using Node.js + Temporal.io; achieved 99.97% consistency and zero revenue loss during 3 downstream outages
•
Optimized PostgreSQL queries with composite indexes and materialized views; cut p95 query latency 78% (120ms→26ms) and reduced RDS costs $8K/month

SKILLS

Backend & Languages

Node.js (6yr) | TypeScript

Python (FastAPI, data pipelines)

GraphQL Federation | REST

gRPC (inter-service)

Databases & Caching

PostgreSQL (10M+ rows, tuning)

Redis Cluster (write-through)

DynamoDB (event sourcing)

MongoDB (ops data)

Achievements

Recognized for serverless + cost optimization content (2023)

Playbook

Full-Stack Developer Resume Example (SaaS/FinTech)

The Full-Stack Engineer Who Scaled a SaaS Platform to 1M Users — Resume That Landed 9 Offers in 14 Days

Full-StackNode.jsAWS

14 min

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Sam Rivera

Senior DevOps Engineer / SRE

+1 (408) 555-0145

sam.rivera.devops@email.com

https://samrivera.dev

Remote • San Francisco Bay Area

SUMMARY

Slashed AWS spend $127K/year (58% reduction) while scaling from 50 → 500 EC2 instances via spot fleet automation and rightsizing. Achieved 99.99% uptime (4 nines) by implementing SLO-based alerting (MTTR <5min) and chaos engineering. Automated 90% of on-call incidents with self-healing playbooks, reducing pager noise 70%.

EXPERIENCE

Senior DevOps Engineer / SRE

FinTechScale (Series B)

2022–Present

First SRE hire; built platform from scratch, serving 200+ engineers and processing $12M MRR with 99.99% uptime SLA.

•
Designed multi-account AWS landing zone with SCP guardrails; prevented $23K accidental S3 data transfer cost overrun and achieved SOC 2 compliance 3 months ahead of audit deadline
•
Architected EKS cluster spanning 3 AZs with Fargate profiles; reduced compute costs $18K/month (45% savings) and achieved 99.99% uptime via chaos mesh fault injection