Product & AI Engineering

Solving problems without adding complexity.

We help founders and fast-growing teams design, build, and ship digital products and AI systems with clarity, speed, and strong technical execution.

Selected Work

Projects that speak for themselves.

A curated selection of projects spanning product engineering, AI systems, and internal tools. Each built with the same principles: clarity, speed, and strong technical execution.

AI Systems

RulesForAI

A tool that transforms UI screenshots and text prompts into structured rules for AI coding tools like Cursor, GitHub Copilot, and others. It helps developers streamline their workflow by generating accurate, context-aware rules.

LLMOpenAIAutomationSaaS
Streamlined 50% of development time
Product Engineering

BpFairValue

SaaS platform that uses a proprietary algorithm to generate fair value prices for options, and delivers the opportunity to spot market dislocations and increase trading profits.

Next.jsTypeScriptPostgreSQLVercelStripeShadcn UI
100+ daily active subscribers
Product Engineering

The Closet Clique

A peer-to-peer fashion marketplace that lets verified high school and college girls rent and sell their clothes within trusted school-based communities.

React NativeNext.jsTailwind CSSSupabaseE-commerce
100+ daily active users
Open Source Tools

SupaNext Starter Template

A modern boilerplate powered by Supabase and Next.js. Enjoy instant authentication, user profiles, and a ready-made dashboard, so you can focus on building, not boilerplate.

Next.jsTypeScriptSupabaseShadcn UI
20 hours saved in development time

Want to see more or discuss a similar project? Let's talk

FlatSqr is a specialized Product & AI Engineering Studio helping founders build clear, useful systems with strong technical execution.

What we build

Complex problems. Simple solutions.

AI Engineering

We create practical AI systems and integrations that improve workflows, products, and decision-making. No hype. Real value.

Product Engineering

We design and build digital products with strong foundations, clear architecture, and a focus on real usability. From MVPs to production-grade SaaS.

Insternal Tools

We build internal platforms, admin tools, and operational systems that help teams move faster and work more clearly.

Own Products & Open Source Tools

We build internal products, open source tools, and experimental projects.

40+

Products shipped

3x

Avg. efficiency gain

4 wks

Time to production

100%

Code ownership

The process

From friction to flow in three phases.

01

Understand

We map your current workflows and identify technical bottlenecks. No assumptions, just data to find the root of the problem.

02

Architect

We design the system: data models, integrations, automation triggers, and AI touchpoints. You approve the blueprint before we write code.

03

Build

We develop in sprints, ship increments you can test live, and refine based on real usage. Production system, not prototype.

Why FlatSqr

Built different. Delivered consistent.

Product-First Thinking

We don't just write code. We understand the business behind the product to build what you actually need.

AI with Purpose

We implement AI that delivers real value, not just hype. Measurable results, not pretty demos.

Simplicity as Standard

If it can be simpler, it will be. If a component doesn't add direct value, it doesn't belong in the system.

Engineering Labs

We build our own open-source tools, validating our technical authority through public execution

Our stack

Tools we trust. Platforms we ship on.

FrontendNext.jsFrontendReactLanguageTypeScriptStylingTailwind CSSDatabaseSupabaseDatabasePostgreSQLHostingVercelAIOpenAIAIAnthropicAILangChainPaymentsStripeEmailResendCacheUpstashDatabaseNeonORMPrismaPMLinearDesignFigmaDevOpsGitHub
Testimonials

What our clients report.

"FlatSqr rebuilt our entire onboarding pipeline in three weeks. What used to take 6 hours per client now runs on autopilot."

Sarah Chen

Head of Operations, Reframe Health

"They don't just build what you ask for. They question the brief, find the real bottleneck, and deliver something better than we scoped."

Marcus Reid

CTO, Stackline Finance

"We replaced four SaaS subscriptions with one custom internal tool. The ROI paid for the entire project in two months."

Anika Patel

VP Engineering, Clearpath Logistics

FAQ

Common questions. Direct answers.

Need a technical partner who can simplify the hard parts?

Let’s build something clear, useful, and ready to scale.

No spam. No sales deck. Just a conversation.