Available for high-impact Full-Time roles & Select Consultancies

Hi, I'm Alex Vance

>Senior Full-Stack Engineer

Architecting high-performance web applications, intelligent AI workflows, and resilient cloud architectures with pixel-perfect craft.

Next.js 14TypeScriptReact 19Python / FastAPILLM OrchestrationPostgreSQL & pgvectorDocker / Cloud
$npx alexvance-portfolio
developer.config.ts
Production Ready
// Modern Full-Stack & AI Engineer
export const engineer = {
name: 'Alex Vance',
specialties: [
'Next.js 14 App Router', 'Multi-Agent AI', 'High-Scale Microservices'
],
metrics: {
uptime: '99.98%',
p99Latency: '< 45ms',
satisfaction: '100%'
},
availableForHire: true
};
Sub-50ms TTFB
Edge-Optimized
Agentic AI
Vector & RAG
6+
Years Experience
Continuous production shipping
38+
Production Apps
Web, SaaS & AI agents
4.8k+
Open Source Stars
Across GitHub repositories
99.98%
Uptime & SLA
Across managed systems
Behind The Code

About Me & Engineering Philosophy

Bridging complex distributed backend engineering with pixel-perfect modern web interfaces.

Passionate about building software that scales

I'm a Full-Stack Engineer and AI Systems builder with over 6 years of experience engineering scalable products from 0 to 1 and scaling platforms to millions of requests.

Specialized in Next.js, TypeScript, distributed backend microservices, real-time architectures, and LLM orchestration frameworks (LangChain, LlamaIndex, Vector Search).

Passionate about developer tooling, performance optimization, elegant user experiences, and bridging machine intelligence with modern web applications.

Based in: San Francisco, CA (Open to Global Remote)
Timezone: PST (UTC-8)
What I bring to high-performing teams:
Full 0-to-1 Product Lifecycle
Zero-Downtime Database Migrations
Production LLM / RAG Pipelines
Cross-Functional Technical Leadership
alex@workstation ~ /quick-facts
active
$ cat profile.json
"focus": "Full-Stack, Next.js & AI Systems",
"dailyDrink": "Double Espresso ☕",
"primaryOS": "macOS / Linux",
"cleanCodeRatio": "100% TypeSafe",
"openSourcePassion": true
$ git log --oneline -n 3
c8f92a1 feat: optimize dynamic streaming DAG execution
4a11b0e perf: improve vector search indexing P99 to 18ms
99e03d7 chore: update core web vitals and edge caching
Ready to collaborate?Drop a line →
Curated Portfolio

Featured Systems & Applications

Engineered for high performance, high concurrency, and real business impact.

Featured

OmniStack AI — Autonomous Workflow Engine

A Next.js 14 and Python FastAPI platform enabling development teams to build, test, and deploy multi-agent autonomous workflows with real-time visual DAG execution.

140+
Active Orgs
-65%
Latency Drop
1.2M
Daily Agent Execs
Next.js 14TypeScriptFastAPIPython+4
Featured

HyperPulse — Real-Time Cloud Telemetry

Modern observability SaaS that ingests over 50,000 events/sec, providing millisecond-accurate latency waterfalls, error anomaly detection, and automated alerting.

50k+ ev/s
Ingestion Rate
42ms
Query P99
70%
Storage Savings
Next.js 14Go / GolangClickHouseApache Kafka+3
Featured

Zenith — Headless Commerce Engine

Blazing fast global ecommerce storefront with Next.js App Router, edge ISR caching, Stripe checkout, automated inventory sync, and dynamic localization.

100/100
Lighthouse Score
+34%
Conversion Boost
28ms
P95 TTFB
Next.js 14React Server ComponentsStripe APIPrisma+3

Synapse — Schema-First API Mocking Tool

Popular developer tool with over 2,400 GitHub stars that generates realistic mock REST & GraphQL APIs directly from TypeScript types and OpenAPI specs.

2.4k+
GitHub Stars
45k+
Weekly NPM DLs
28
Contributors
TypeScriptNode.jsRustGraphQL+3

VaultMesh — Zero-Trust Secrets Orchestrator

Modern infrastructure security platform enabling automated secret rotation, dynamic ephemeral credentials, and end-to-end KMS encryption across multiple clouds.

800k+
Rotations/Day
A+ (SOC2)
Security Score
250+
Clusters Managed
GoKubernetesHashiCorp VaultAWS KMS+3

NeuralCanvas — AI Creative Studio

Real-time collaborative infinite canvas platform combining Stable Diffusion XL, Whisper, and GPT-4 vision for multimedia storyboarding and creative production.

18k+
Active Creators
500k+
Generated Assets
60 FPS
Multiplayer FPS
Next.js 14TypeScriptWebSocketsCanvas API+3
Technical Mastery

Skills & Engineering Capabilities

Deep experience across the entire software development life cycle, from systems architecture to user interface delight.

Frontend & User Experience

Crafting responsive, accessible, high-performance web interfaces with modern React paradigms.

Next.js (App Router / SSR / ISR)Primary
5+ yrs

Server components, streaming, middleware, edge caching

React 18 / 19 & TypeScriptPrimary
6+ yrs

Custom hooks, concurrent features, strict typing, design systems

Tailwind CSS & CSS ArchitecturePrimary
5+ yrs

Custom theme tokens, responsive layouts, micro-animations

State Management (Zustand / TanStack)
4+ yrs

Optimistic updates, cache invalidation, offline sync

Framer Motion & Canvas / WebGL
3+ yrs

Smooth interactive spring physics, data visualizers, particle effects

Web Performance & Core Web Vitals
5+ yrs

Sub-second TTFB, 100 Lighthouse, asset optimization, code splitting

Career Milestones

Work Experience & Contributions

Track record of delivering production software, leading engineering teams, and building scalable developer tools.

Lead Full-Stack & AI Architect

Present
Nexus Neural Labs
2023 — PresentSan Francisco, CA (Hybrid)

Leading a team of 8 engineers architecting Next.js enterprise applications and AI-driven automation pipelines for high-growth tech clients.

Spearheaded the migration of legacy client platforms to Next.js 14 App Router, cutting page load times by 58% and boosting organic SEO traffic by 42%.
Designed and deployed an autonomous agent orchestration engine serving over 1.2M daily LLM interactions with sub-100ms streaming responses.
Implemented distributed caching layers with Redis and Qdrant, reducing LLM API token costs by $14,000/month.
Mentored 6 junior/mid-level engineers, instituted automated CI/CD code quality gates, and standardized TypeScript coding guidelines.
Next.js 14TypeScriptFastAPIPythonQdrantPostgreSQLAWS ECSDockerTailwindCSS

Senior Full-Stack Engineer

Veloce Cloud Systems
2021 — 2023San Francisco, CA

Engineered real-time telemetry analytics dashboards and distributed backend ingestion pipelines processing 50k+ events per second.

Built a low-latency time-series visualization suite with React and WebGL, allowing engineers to drill down into 100M+ data points seamlessly.
Refactored Node.js API endpoints into high-performance Go microservices, improving P99 latency from 320ms down to 42ms.
Designed zero-downtime database sharding strategy for PostgreSQL and ClickHouse, scaling ingestion throughput 5x.
Collaborated closely with Product and UX teams to build accessible, WCAG 2.1 AA compliant UI component libraries.
ReactNext.jsGoNode.jsClickHousePostgreSQLKafkaRedisTailwind CSS

Full-Stack Developer

PixelCraft Digital Studio
2019 — 2021Austin, TX

Delivered bespoke headless ecommerce storefronts and scalable SaaS platforms for international brand clients.

Developed 12+ headless ecommerce stores using Next.js and Stripe, generating over $25M in cumulative client GMV.
Created custom CMS plugin integrations that enabled marketing teams to launch new landing pages in minutes rather than days.
Optimized asset delivery pipelines with Cloudflare Workers and dynamic image transformation, achieving perfect 100 Lighthouse scores.
Next.jsTypeScriptGraphQLStripePrismaTailwind CSSVercel

Open Source Core Contributor & Maintainer

Present
Developer Tooling Ecosystem
2020 — PresentRemote

Active contributor to popular open-source repositories and creator of high-utility developer tools.

Created Synapse API mocker with 2,400+ stars on GitHub and over 45,000 weekly NPM downloads.
Contributed PRs, bug fixes, and documentation improvements to Next.js, TanStack Query, and LangChain repositories.
Regularly host tech talks and publish architectural breakdowns reaching over 80k developers globally.
TypeScriptRustNext.jsOpenAPIWebAssembly
Interactive Engineering Sandbox

Live Architecture Playground

Test live simulated microservices, agentic reasoning loops, and distributed caching logic directly in your browser.

Multi-Agent DAG Execution Streamer

Simulates real-time tool calling, Qdrant vector retrieval & synthesis.

Model: Claude 3.5 Sonnet + Qdrant
DAG Status: IDLE
// DAG Execution Stream OutputStep 0/6
Click "Trigger Autonomous Loop" to test real-time agent tool coordination.
Client & Leadership Endorsements

What Leaders & Teams Say

Feedback from engineering leaders, CTOs, and founders who have collaborated with me on production milestones.

⚡ “3 weeks ahead of schedule & flawless architecture

Alex is one of the rarest engineers who pairs extraordinary deep-stack architectural prowess with an obsessive eye for UI craft. He delivered our Next.js analytics suite 3 weeks ahead of schedule with 99.99% uptime in production.

SA
Sarah Lin
VP of Engineering · Apex Cloud Solutions
⚡ “Instrumental in our Series A milestone

Working with Alex transformed our AI product roadmap. His mastery of LLM agent architectures, vector indexing, and real-time streaming interfaces allowed us to close our Series A funding with extreme confidence.

MA
Marcus Sterling
Chief Technology Officer · Synthetix AI
⚡ “+34% conversion boost & perfect Core Web Vitals

The headless storefront Alex built achieved a 100/100 Lighthouse score and immediately converted +34% higher on launch day. His communication is crisp, proactive, and deeply collaborative.

EL
Elena Rostova
Product Director · HyperScale Commerce
Engineering Insights

Articles & System Design Write-ups

Detailed breakdowns of distributed architecture patterns, Next.js optimization, and production LLM orchestration.

AI & Systems
7 min read14.2k

Architecting Scalable Multi-Agent AI Systems with Next.js & WebSockets

A comprehensive deep dive into streaming LLM DAG workflows, state reconciliation with CRDTs, and avoiding vector search bottlenecks in high-concurrency apps.

#Next.js 14#AI Agents#WebSockets#Architecture
Aug 2026Read Article
Frontend Engineering
9 min read22.8k

Mastering Next.js 14 App Router: Server Components & Cache Invalidation

Demystifying the 4 caching layers of Next.js App Router, deterministic revalidation patterns, and optimizing sub-50ms TTFB on global Edge networks.

#Next.js#React Server Components#Caching#Performance
Jul 2026Read Article
Backend & Cloud
6 min read9.4k

Zero-Downtime Microservice Scaling with Go, ClickHouse & Kafka

How we scaled log ingestion from 5,000 to 50,000+ events per second without dropping a single packet using columnar compression and partitioned consumers.

#Go#ClickHouse#Kafka#System Design
May 2026Read Article
Let's Connect

Start a Conversation

Have an open role, an ambitious project, or an engineering challenge? I'd love to hear from you.

Direct Channel

Feel free to email me directly. I usually respond within 12-24 hours.

alex.vance.dev@example.com
Status: Open to Full-Time & Select Consulting
Timezone: PST (UTC-8) (San Francisco, CA (Open to Global Remote))
Send a Message
Frequently Asked Questions
I am actively open to Senior / Staff Full-Stack Software Engineering roles, AI Application Architect positions, as well as select high-impact contract consultancies for MVPs, architecture reviews, and performance optimizations.