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Product Engineering

Web, mobile and SaaS products with AI built in, not bolted on

We design and build the applications around the intelligence: fast web apps on Next.js, native-feel mobile apps, multi-tenant SaaS platforms, APIs and integrations, with UX that makes AI features feel natural.

Talk to our expertsSee capabilities
6-10 weeksTypical time from kickoff to a production MVP
99.9%Uptime target we design and monitor against
1 teamProduct, design, engineering and AI in one accountable squad
Capabilities

What we deliver in Product Engineering

Each capability is a scoped offering with clear deliverables. Combine them or start with one.

01

Web Application Development

Next.js and React applications that are fast, accessible and easy to extend.

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02

Mobile App Development

React Native and Flutter apps for iOS and Android from one codebase.

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03

SaaS & MVP Development

Multi-tenant platforms and first versions built to validate, then scale.

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04

APIs & Integrations

Well-designed APIs, webhooks and connectors to the systems your business runs on.

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05

UI/UX & Product Design

Research, flows and interfaces that make complex and AI-driven products feel simple.

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06

Internal Tools & CRM Solutions

Custom CRMs, admin panels and operations tools shaped to how your team works.

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How we work

AI doesn't fail at ideas. It fails at execution.

Every engagement follows a path from concept to scale with success defined up front, weekly releases and no surprises.

011–2 weeks

Discover

A 60-minute call and a deep-dive sprint that end in a scored opportunity map and a baseline.

021 week

Design

Architecture and stack chosen with a decision matrix and a model bake-off on your data.

034–8 weeks

Build

Weekly releases into your environment with evals, guardrails and traces from sprint one.

042–6 weeks

Scale

Hardening, staged rollout, cost controls and handover so your team runs it.

What every engagement is designed to

6-10 weeksTypical time from kickoff to a production MVP
99.9%Uptime target we design and monitor against
1 teamProduct, design, engineering and AI in one accountable squad
Architecture

Architectures we reach for in Product Engineering

Reference patterns we adapt to your constraints. Each links to the full flow, components and trade-offs.

All architectures
Agentic

Single agent with tools

One model, a toolbox, and a loop that decides what to call next.

across every level

Hover or tap any part to see what it does. The light shows the order a request moves through.

OpenAI Agents SDKClaude Agent SDKLangGraphMCPLangfuse / LangSmith
Full architecture
Tech stack

Building on proven, scalable foundations

The strength of any AI system lies in the technology behind it. We choose per workload, benchmark on your data, and build so you can switch.

  • Python
  • TypeScript
  • Node.js
  • Go
  • Rust
  • SQL
  • Bun
  • Swift
  • Kotlin
  • Solidity
FAQ

Get the clarity you deserve

Straight answers to the questions we hear most. Ask us anything else on a call.

Next.js, React and TypeScript on the front end; FastAPI or Node on the back end; PostgreSQL; deployed on Vercel, AWS or GCP with Docker and Kubernetes where scale demands it. We adapt to your existing stack when there is one.

Let's build intelligent systems that drive growth

Tachyon is the engineering partner for teams that need AI in production, not in a deck. Start with a free 60-minute discovery call.

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Contact

Talk to experts about your product idea

Every great partnership begins with a conversation. Whether you are exploring possibilities or ready to scale, tell us what you are actually trying to build.

Prefer to talk?

Pick a 60-minute slot. No pitch, just an engineer with honest answers.

Book a call

NDA available on request. We reply within one business day.