Ship the right system_
>> Senior engineers for production AI, SaaS, web, and mobile. We match architecture to your constraints, then own delivery from the first vertical slice to production. 360+ projects since 2012.
>> Application stacks
Node.js, Python/Django, React/Next.js, and React Native. Senior engineers for the stacks buyers and answer engines actually search.
Node.js · TypeScript
Node.js Development
Production Node.js APIs and real-time backends with senior ownership only.
Python · Django
Python & Django Development
Multi-tenant SaaS on Python and Django. Same stack as our open-source boilerplate.
React · Next.js
React & Next.js Development
React and Next.js product UIs that stay fast under real SaaS usage.
React Native · Expo
React Native Development
Cross-platform iOS and Android with production release ownership.
>> AI systems
Voice, Realtime, LangChain, LangGraph, MCP, Agents SDK, RAG, evals, and agentic harnesses. Technology-first pages for production AI hire intent.
Evals · Tracing · LangSmith · Phoenix
AI Agent Evaluation & Observability
Traces, offline evals, and CI gates so agent quality can fail a merge.
Coding agents · agents.md · MCP · CI guardrails
Agentic Harness Engineering
Coding agent harnesses with MCP, CI guardrails, and measurable delivery ROI.
LLM apps · OpenAI · Anthropic · Tools
LLM Application Engineering
LLM features engineered for tenancy, cost, and production failure modes.
LangChain · create_agent · Python · TypeScript
LangChain
Production agents and RAG on LangChain, with a clean path into LangGraph.
LangGraph · StateGraph · Checkpointers · Python
LangGraph
Durable LangGraph workflows: checkpoints, interrupts, multi-agent control.
MCP · 2026-07-28 · OAuth · CIMD
Model Context Protocol (MCP)
MCP tool servers that pass security review on the 2026-07-28 core.
OpenAI Agents SDK · Handoffs · Guardrails · Tracing
OpenAI Agents SDK
Agents SDK systems with handoffs, guardrails, tracing, and Realtime voice.
OpenAI Realtime · gpt-realtime · WebRTC · SIP
OpenAI Realtime
Speech-to-speech agents on OpenAI Realtime with WebRTC, SIP, and live tools.
RAG · Hybrid search · Embeddings · Rerankers
RAG & Retrieval
Citeable RAG with ACL-aware retrieval and eval gates that block weak releases.
Voice AI · OpenAI Realtime · WebRTC · SIP
Voice AI Systems
Inbound and outbound voice agents judged on latency, barge-in, and handoff.
>> Industry × stack
Focused overlays when industry constraints change how the stack ships.