Web, App & AI Development for Bay Area Startups & Companies
Senior full-stack Next.js, React, and AI-ready software engineering for B2B tech and SaaS ventures. Accelerate your roadmap with senior engineers who understand modern cloud architectures, rapid product iteration, and AI search citation — without $250/hr Silicon Valley agency burn rates.
Built for Fast-Moving Bay Area Tech Ventures
San Francisco founders and CTOs cannot afford slow turnarounds or junior code that accumulates tech debt. We deliver senior-level engineering designed to integrate with your existing codebase.
B2B SaaS Scale-Ups
High-converting marketing sites, interactive pricing calculators, product tour architectures, and authentication onboarding funnels that turn visitors into product-qualified leads.
AI & Machine Learning Startups
API-driven dashboard interfaces, interactive model playgrounds, documentation hubs, and technical entity graph SEO that positions your AI tool for Perplexity citations.
Seed-to-Series-B Teams
Flexible sprint-based engineering augmentation to help in-house engineering leads meet urgent product release dates without the months-long local hiring drag.
Developer Tools & APIs
Developer-focused landing pages, interactive code snippet switchers, fast CLI documentation portals, and GitHub integrated workflows.
Maximum Engineering Output. Minimum Runway Burn.
Hiring full-time senior developers in San Francisco requires $220k+ base salaries plus benefits and equity. Local SF agencies bill upwards of $250/hr. ONS Tech provides direct access to battle-tested senior engineers on a transparent fixed-price or sprint model.
Modern Production Stack
We write clean TypeScript, React, Next.js App Router, Tailwind CSS, Node.js, and Python. We maintain high test coverage, strict linting, and spotless documentation.
Guaranteed Pacific Time Overlap
Daily working overlap (9:00 AM – 1:00 PM PT) for real-time Slack discussions, sprint standups, and PR reviews during your core office hours.
Zero Middlemen Or Bureaucracy
You speak directly to the engineers building your software. Rapid PR merges, immediate bug fixes, and transparent Git commit logs.
Bay Area Engineering Model Comparison
High billing rates to support SF commercial rents and account management tiers. Slower sprint velocity and rigid change-order fees.
Dedicated Pacific hours, direct Git repos, Next.js mastery, rapid MVP launches in 3–5 weeks, and a spotless 100% verified delivery record.
Specialized Engineering for SaaS & AI Products
Engineered for high user conversion, sub-second global caching, and AI engine citation across Perplexity, ChatGPT Search, and Google AI Overviews.
SaaS Marketing Engines & Funnels
High-converting Next.js web platforms engineered for product-led growth. Built-in A/B testing scaffolding, custom interactive ROI calculators, and seamless integration with HubSpot, Segment, and Stripe.
- Next.js 15 & React Server Components
- Interactive Pricing Matrices
- Sub-Second Global Edge Delivery
AI-Ready Content & GEO Structuring
Generative Engine Optimization (GEO) structured specifically so AI models understand and cite your software product when prospective enterprise buyers ask for software recommendations.
- SoftwareApplication JSON-LD Graphs
- Direct-Answer Comparison Layouts
- Perplexity & ChatGPT Citation Architecture
Cross-Platform Web & Mobile Apps
Full-stack web portals, customer dashboards, and React Native mobile companion apps built with scalable backend architectures, real-time sync, and comprehensive role-based access control.
- React Native iOS & Android Apps
- Node.js & Python Microservices
- SOC-2 & Compliance-Ready Systems
Production Track Record for Scaling SaaS
We don't invent Silicon Valley logos. We prove engineering depth through real, high-scale software builds: architecting our own proprietary KudoClass School ERP product (handling 10,000+ active students) and custom hospital systems requiring zero data loss, sub-second query performance, and rock-solid uptime.
Bay Area Specialized Engineering
Bespoke ACF Pro theme architecture, WooCommerce store scaling, and sub-second Core Web Vitals.
Custom Liquid themes, Checkout UI extensions, private app development, and ERP/3PL connectors.
Squarespace Fluid Engine, Wix Studio Velo coding, and Webflow animations launched in 2–3 weeks.
Full-stack React, Next.js, and Laravel engineering for SaaS products, internal portals, and custom APIs.
Engineered for San Francisco Bay Area & Silicon Valley: Architecture, Stack & Governance
Building software for high-growth businesses in San Francisco, Palo Alto, San Jose & Oakland requires more than generic templates. Below is the exact engineering stack, regional operational workflow, and technical SLA our senior engineering squad executes on every deployment.
Production Stack & Infrastructure Breakdown
We build with a hardened, modern technology stack selected specifically to eliminate third-party plugin rot, prevent memory leaks, and guarantee sub-second Core Web Vitals on all devices:
- Backend Logic & REST APIs: Modern PHP 8.3 and Laravel 11 with strict type safety, modular service containers, and Eloquent ORM caching. When content management is required, we deploy lean custom WordPress or headless CMS builds stripped of heavy visual builders.
- Frontend Reactive Layer: React 19, Next.js with server-side rendering (SSR), and Alpine.js paired with utility-first Tailwind CSS. Every frontend compiles into minimal, tree-shaken bundles under 50KB for near-instant rendering on mobile networks.
- Database & Async Workers: PostgreSQL 16 and MySQL 8 with indexed relational schemas, combined with Redis in-memory query caching and asynchronous queue workers (RabbitMQ/Redis) for background PDF generations, emails, and CRM webhooks.
- Edge CDN & Cloud Hardening: Containerized Docker deployments hosted on AWS (EC2/RDS), DigitalOcean, or hardened VPS, shielded by Cloudflare Enterprise edge caching, HTTP/3, Brotli compression, and OWASP automated rate-limiting.
Pacific Time (PT) Synchronous Engagement
We operate as an embedded senior engineering extension to your business, not a distant black-box agency. Communication, scheduling, and billing are structured directly around your local operations:
- Synchronous Working Windows: Dedicated daily collaboration overlap (9:00 AM – 2:00 PM PT) for real-time Slack check-ins, Google Meet sprint planning, and emergency triage.
-
2-Week Agile Sprint Cadence: Every sprint is scoped with defined acceptance criteria in Jira or Linear. You receive bi-weekly video demo walkthroughs and live testing links on private staging environments (e.g.,
staging.yourdomain.com) prior to deployment. - Multi-Currency Commercial Billing: Invoiced transparently in USD ($) via Stripe or international wire with fixed milestone release gates. You never face hidden revision fees or unanticipated hourly overruns.
- Zero Middlemen Governance: You collaborate 1-on-1 with dedicated Lead Software Architects and Full-Stack Engineers who write code daily. No non-technical account managers filtering your requirements.
High-Performance React/Next.js Platforms with AI Engine Citations
Tailored to the commercial demands of San Francisco Bay Area & Silicon Valley: AI SaaS, Developer Tools, DeepTech & Series A/B Scale-Ups.
Bay Area startups require pristine code quality, sub-500ms TTFB speeds, and schema entity structures optimized for generative AI answer engines (ChatGPT Search, Perplexity). We deliver TypeScript-strict React 19 and Next.js applications backed by automated CI/CD pipelines, Jest unit tests, and structured JSON-LD entity graphs that maximize both human user conversion and algorithmic search discovery.
Direct Answers on Code Ownership, SLAs & Migration
Actionable technical policies governing every client engagement with ONS Tech Global.
Bay Area Startup Questions & Answers
Practical details on our tech stack, agile cadence, Pacific Time availability, and engagement terms.
Accelerate Your Product Roadmap Today
Let's review your product specifications or code repository. We provide technical architectural feedback, sprint velocity estimates, and fixed-price milestones within 24 hours.