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Software Development · New York City
Built in NYC.
Engineered to scale.
We design and develop custom software, SaaS platforms, and AI-powered products for startups and enterprises, from first line of code to production-grade architecture that grows with your business.
TypeScript
React
Claude AI
Next.js
Node.js
PostgreSQL
AWS
GCP
Docker
Git
GraphQL
Go
Python
Redis
TypeScript
React
Claude AI
Next.js
Node.js
PostgreSQL
AWS
GCP
Docker
Git
GraphQL
Go
Python
Redis
What We Build
Full-stack software.
Full-stack software.
Shipped to production.
From SaaS MVPs to enterprise platforms, we architect, build, and deploy software that stands up under real-world load.
🧩
SaaS Product Development
End-to-end SaaS builds, multi-tenant architecture, subscription billing, role-based access, and scalable APIs. We've launched SaaS products from zero to thousands of active users. Clients see 3× faster time-to-market vs. in-house builds.
🤖
AI-Powered Applications
Claude AI, GPT-4, and custom model integrations built into your product layer, not bolted on. RAG pipelines, intelligent agents, and structured AI outputs that drive real user value. AI features increase user retention by an avg. of 34%.
🌐
Web App Development
React and Next.js web apps engineered for performance, SEO, and conversion. Custom dashboards, data-heavy UIs, real-time features, and mobile-responsive layouts. Avg. Lighthouse performance score of 94+.
⚙️
API & Backend Engineering
Scalable Node.js, Go, and Python backends, built for high throughput, clean architecture, and long-term maintainability. PostgreSQL, Redis, and cloud-native infrastructure. p95 latency under 100ms at scale.
☁️
Cloud & DevOps
AWS and GCP infrastructure, Dockerized deployments, CI/CD pipelines, and zero-downtime releases. We set up monitoring, alerting, and auto-scaling from day one — not as an afterthought.
🔒
Enterprise & Regulated Tech
SOC 2-ready architecture, HIPAA-compliant data handling, audit trails, and enterprise SSO. We build for regulated industries where security isn't optional.
Project Examples
Software we build
Software we build
by industry.
Every product is architected for the specific constraints of its market — compliance, scale, and user behavior included.
MVP to Production SaaS
Full product build from scratch, user auth, billing, onboarding, and core feature set. Shipped in 6–10 weeks, ready for your first paying customers. Avg. first customer within 30 days of launch.
Next.jsNode.jsStripePostgreSQL
Analytics & Dashboard Products
Data-heavy SaaS with real-time charts, custom metrics, and multi-source data ingestion. We've built reporting tools processing millions of events per day.
ReactGraphQLClickHouseRedis
Multi-Tenant Platforms
White-label and multi-tenant architectures with isolated data per customer, custom domains, and per-tenant feature flags, built for agencies and resellers.
TypeScriptPostgres RLSVercel
Real-Time Collaboration Tools
WebSocket-based real-time features, live editing, presence indicators, notifications, and collaborative workflows backed by robust conflict resolution.
Socket.ioRedis Pub/SubReact
Auth & Identity Platforms
Custom auth systems with SSO, OAuth2, MFA, and fine-grained RBAC. Enterprise-grade identity for products that need it without paying $100K/yr to an IdP vendor.
JWTOAuth2Node.jsPostgres
API Products & Dev Platforms
Developer-facing products with API key management, rate limiting, usage metering, and a developer portal, built to scale to millions of API calls.
GoRedisStripe MeteredDocs
Payment Infrastructure
Stripe, Plaid, and ACH integrations with ledger-accurate transaction recording, reconciliation, and multi-currency support built for regulated markets. Sub-1% error rate on all financial transactions.
StripePlaidNode.jsPostgreSQL
Portfolio & Investment Dashboards
Real-time portfolio tracking, P&L visualization, and market data integrations for wealth management and investment platforms.
ReactWebSocketMarket APIs
Lending & Underwriting Platforms
Loan origination systems with automated decisioning, credit bureau integrations, document collection, and e-signature workflows — built to CFPB requirements.
PythonPostgreSQLDocuSign
KYC & Compliance Automation
Identity verification, AML screening, and SAR filing automation integrated with Persona, Alloy, or custom vendor pipelines — designed for FinCEN compliance.
PersonaClaude AINode.js
Trading & Execution Interfaces
Low-latency order management interfaces, real-time quote feeds, and position management UIs for institutional and retail trading platforms.
GoWebSocketReactFIX Protocol
Audit Trail & Reporting
Immutable audit logs, automated regulatory reports, and SOX-ready data pipelines, built to satisfy regulators, not just check boxes.
PostgreSQLS3Python
Patient-Facing Web Apps
HIPAA-compliant patient portals, telehealth scheduling, and intake flows, built with end-to-end encryption and BAA-ready infrastructure from day one. Zero PHI exposure incidents across all deployments.
ReactAWS HIPAAPostgreSQL
Clinical AI Features
AI-powered symptom checkers, clinical note drafters, and document summarizers, built with careful prompt design to avoid liability exposure and hallucination risk.
Claude AIPythonFHIR
EHR Integrations
HL7, FHIR R4, and Epic/Cerner API integrations, extracting and writing structured clinical data without touching PHI in insecure environments.
FHIR R4HL7Node.js
Remote Patient Monitoring
IoT data ingestion from wearables and devices, alerting pipelines, and clinical dashboards for continuous patient monitoring programs.
AWS IoTPythonReact
Clinical Operations Software
Internal tools for care coordinators, billing teams, and clinical staff, replacing spreadsheets with structured, auditable workflows that reduce errors.
Next.jsPostgreSQLPrisma
HIPAA Compliance Architecture
Security architecture reviews, BAA management, encryption at rest and in transit, and HIPAA-compliant logging, for existing products that need to get compliant fast.
AWS KMSCloudTrailVPC
Custom Commerce Platforms
When Shopify doesn't cut it, fully custom storefront and commerce backends with tailored checkout flows, subscription logic, and multi-warehouse inventory. Clients see 15–22% conversion lift post-custom build.
Next.jsStripePostgreSQL
Headless Commerce Builds
Shopify or Medusa backend with custom React/Next.js storefronts — preserving commerce reliability while unlocking full design and UX control.
Shopify APINext.jsReact
Product Discovery & Search
AI-powered product search and recommendation engines using vector embeddings, customers find what they want faster, AOV goes up.
PineconeClaude AIElasticsearch
Marketplace Platforms
Multi-vendor marketplaces with seller onboarding, split payments, dispute resolution, and review systems — for two-sided markets that need to scale.
Stripe ConnectNode.jsPostgres
Merchandising & Pricing Tools
Internal tools for merchants to manage inventory rules, dynamic pricing, promotions, and catalog operations, replacing spreadsheet chaos with structured UIs.
ReactNode.jsPostgreSQL
ERP & 3PL Integrations
Connecting Shopify, WooCommerce, or custom stores to NetSuite, ShipBob, ShipHero, and third-party logistics providers — automated sync with no manual CSV exports.
NetSuiten8nREST APIs
Internal Operations Platforms
Replace off-the-shelf tools that don't fit your process, custom internal apps for ops, finance, HR, and support teams that actually match how your org works. Avg. 40% reduction in process overhead.
ReactNode.jsPostgreSQL
Legacy System Modernization
Strangler-fig migrations from monolithic or legacy codebases to modern, maintainable architectures, without a big-bang rewrite that breaks production.
TypeScriptAPI LayerAWS
Data Platform Engineering
Data warehouse builds, ETL pipelines, and self-serve BI platforms, consolidating scattered data sources into a single source of truth for executive reporting.
dbtBigQueryAirbyteLooker
Enterprise SSO & Access Control
SAML 2.0, SCIM provisioning, and fine-grained RBAC across large internal tool ecosystems — one identity layer, everywhere it matters.
SAMLSCIMOktaNode.js
Procurement & Vendor Systems
Custom procurement workflows, contract management, and vendor approval systems that reduce cycle time and create a full audit trail.
Next.jsDocuSignPostgreSQL
AI Knowledge Base Agents
RAG-powered internal knowledge agents trained on your docs, wikis, and SOPs, deployed to Slack or your intranet so every employee gets instant, sourced answers.
Claude AIPineconeLangChainSlack
AI-Native SaaS Products
Products where AI is the core value prop, not a feature. We design the AI UX, prompt architecture, and feedback loops that make AI products actually useful at scale. AI-native products see 4× higher user engagement vs. AI add-ons.
Claude APINext.jsStripe
RAG & Knowledge Retrieval
Retrieval-Augmented Generation systems over your private data, document ingestion, chunking, embedding, and semantic search built for production reliability.
PineconeWeaviateLangChainClaude
AI Agents & Autonomous Workflows
Multi-step AI agents that research, write, decide, and act, wired into your existing APIs, databases, and third-party tools via tool use and function calling.
Claude AITool Usen8nPython
Audio & Video AI Features
Whisper-based transcription, speaker diarization, real-time meeting summaries, and AI-generated video captions, integrated directly into your product.
WhisperClaude AIPython
AI Analytics & Insights
Natural language querying over your data, let users ask plain-English questions and get AI-generated answers, charts, and explanations backed by live data.
Claude AIPostgreSQLPython
Safe AI Deployment
Guardrails, output validation, PII scrubbing, and hallucination mitigation for AI features in regulated industries, so you can ship AI without the compliance nightmare.
Claude AICustom GuardrailsPII Detection
Case Study
Software we've shipped
Software we've shipped
in the real world.
Case Study · SaaS · AI Decision Intelligence
Capitalyx - AI-Powered Business Decision Platform
Capitalyx is a SaaS decision-making platform that integrates the Anthropic API, real-time web search, and macro analytics to give founders and operators CFO-grade financial intelligence on demand. We built the full product stack, multi-tenant architecture, Clerk auth, Neon Postgres, Stripe billing, and a Next.js frontend deployed on Vercel, from kickoff to production in under 10 weeks.
<10wk
Kickoff to production launch
ClaudeAI
Core intelligence layer
Vercel+
Clerk · Neon · Stripe · production-ready
Next.js
Vercel
Clerk Auth
Neon Postgres
Stripe
Anthropic API
Visit Capitalyx →
LIVE
📊 Base Case
👥 Hire 3 Engineers
💰 Raise Prices +20%
🌐 Tariff +25%
Monthly Revenue
$341K
+20.1%
Cash Runway
11.8 mo
−2.4 mo
Monthly Burn
$66K/mo
+$24K
Break-even
Q4 '26
Adjusted
✦ Capitalyx AI — CFO Analysis
Adding 3 engineers accelerates revenue by +$57K/mo. Runway drops to 11.8 months. Consider raising a $500K bridge to extend to 18+ months.
Our Process
From brief to
From brief to
production-grade software.
01
Discovery
We map your product requirements, user flows, and technical constraints before writing a single line of code. Most projects uncover 2–3 scope-saving decisions in this phase alone.
02
Architecture
Database schema, API design, infrastructure plan, and third-party integrations are decided upfront. Architecture decisions made now cost 30× less than changes in production.
03
Build
Two-week sprint cycles with working software delivered every sprint — not a big reveal at the end. First working prototype in 2–3 weeks from kickoff, always.
04
QA & Launch
Automated test coverage, load testing, and staged deployment before any code touches production. Zero critical bugs on launch day across all client projects in 2024.
05
Support & Scale
Post-launch monitoring, performance optimization, and ongoing feature development. We own the product alongside you — not just the initial build.
Ready to build?
Tell us what you're building.
Tell us what you're building.
We'll take it from there.
Every project starts with a conversation. Just tell us what you're working on and we'll figure out the best path forward together.
Talk to Us