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Full-Stack AI Engineering Services

Hire senior full-stack engineers who use AI to ship production-ready features 2x faster. Not just more code, but better architecture, built-in observability, and human-verified security.

CONTACT US
Fasterdeveloperswhoseintentisvisible,whoseoutputisauditable,whothinkinproductoutcomes,andwhooperatewithinaframeworkthatmakesspeedsafe.

Reality Check: The AI Execution Gaps

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Architecture Gap

Outsourcing logic to AI without structural ownership, leading to fragmented codebases that are impossible to scale or audit.

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Amateur Gap

Prompts until the code "works," ignoring edge cases and skipping tests, resulting in "Day 1" speed followed by a "Day 2" maintenance nightmare.

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Security Gap

Blindly generating authentication and sensitive data flows with AI, introducing "hallucinated" vulnerabilities and non-compliant permission logic.

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Context Gap

Shipping isolated AI-generated snippets that lack a unified system, breaking the deep integration required for a professional-grade monorepo.

The System Composer: New Class of Engineer

Most AI developers simply prompt until they see code that works. We hire and train engineers who treat AI as an exoskeleton, not a replacement for thought.

From a "ticket taker" to a "product owner”


CORE CHARACTERISTICS:

  • Day 2 mentality prioritizing long-term system health.
  • Architecture over syntax approach using AI to validate complex system patterns.
  • Product ownership focusing on managing scope as active collaborators.

TECH STACK:

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THE PERFORMANCE BENCHMARK:

Our benchmark requires engineers to transform a Figma design and rough specification into a working and observable feature in a matter of hours. We provide the high-performance talent that clients fight to keep.

Choose the Right Tier for Your Engagement

Every next tier includes everything from the previous one, plus a wider scope of ownership. We'll match the right tier to your engagement before we start.
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Delivery Accelerator

Tier 1

Onboarding

2 Days

Middle / Senior level
Owns feature delivery within existing architecture
Works within established systems
Full OpenSpec + Claude Code workflow
Best for products needing sustained velocity
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AI Product Engineer

Tier 2

Onboarding

2 Days

Senior level
Owns AI feature development end-to-end
Works within established systems
Full OpenSpec + RAG, agents, evals, prompt-injection hardening
Best for products where AI is a core user-facing feature
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System Owner

Tier 3

Onboarding

5 Days

Senior / Staff level
Owns architecture decisions, scaling strategy, cross-service boundaries
Inherits and stabilizes messy codebases
Full OpenSpec + sets standards for the team
Best for teams scaling fast or carrying technical debt

Principles that Makes Our Speed Trustworthy

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Volodymyr Hodiak

CTO, OTAKOYI

Let’s Connect

First, intent must outlive the engineer who wrote it. Specs, decisions, and tradeoffs live in the repo, but not in a chat session that expired. Second, onboarding is a two-sided contract. We commit to a meaningful PR within 48 hours. In return, we expect a running local environment, documented env variables, and a green CI on main. Third, an engineer who sets up your infrastructure is responsible for what it costs. We ship billing alerts with every AWS setup by default.

Hire Engineers Who Owns the Outcome!

Unique Delivery Framework

Onboarding shouldn't be a bottleneck. We audit your architecture, align with your product goals, and ship within days, not weeks.

  • The 48-Hour PR: Our engineers aim to ship their first meaningful PR within 48 hours of repository access.
  • Architectural Stabilization: If technical debt is holding you back, our first goal is stabilizing your stack to ensure that future speed doesn't compromise system integrity.
  • Measurable Velocity: From Figma design to production-ready code, we turn cycles that usually take weeks into a matter of hours.
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Grow Your Output, Not Your Technical Debt
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Speed is Nothing Without Safety

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Core Tech Stack

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TYPESCRIPT

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REACT

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NEXT.JS

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TAILWIND CSS

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SHADCN UI

The Spec-First Engine

We don't start with a prompt; we start with a plan. Our process is designed to eliminate the "hallucination loops" that slow down traditional AI development.

01

Human-Led Intent

Before a single line of code is written, a senior engineer audits the ticket and authors an OpenSpec Proposal. We define the API contracts, database schema changes, and Architecture Decision Records manually.

  • The Critical Point: We align on the architecture first so the AI never has to guess your system's logic. The spec lives in the repo — not in someone's head or a closed chat session.
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AI-Accelerated Execution

With a locked-in spec, we deploy our Claude Code & MCP stack to handle the heavy lifting. The AI generates the boilerplate, type-safe components, and CRUD logic strictly within the boundaries of the OpenSpec.

  • The Critical Point: This is where we gain 2x velocity, turning days of manual coding into hours of precise, spec-driven generation.
03

Multi-Layer Verification

Every PR undergoes a rigorous dual-audit. We run automated Vitest and Playwright suites to catch regressions, followed by a manual human review of the "No-AI Zones".

  • The Critical Point: We ensure the code doesn't just "work," but is observable, secure, and matches the original intent.
04

Controlled Deployment

We ship using Feature-Flagged rollouts and automated rollback triggers. We don't believe in "big bang" releases; we move fast by making every change reversible and low-risk.

  • The Critical Point: You get the speed of a startup with the deployment stability of an enterprise.

What Shipped Actually Means

Every PR we deliver meets a non-negotiable Definition of Done. Not a checklist — a contract between our engineers and your codebase.

Tests

Unit tests on core logic, integration tests on API contracts. Coverage thresholds enforced in CI.

Observability

Structured logs on all non-trivial paths, error tracking wired to Sentry. If it can fail silently, it's instrumented.

Analytics

At minimum one instrumented user action per feature, named to your event convention, visible in the shared analytics dashboard. If it's not measured, it didn't ship.

Rollout

Feature flag on every user-facing change. Migration strategy documented for any schema change. Backout plan defined before the flag goes live.

Documentation

OpenSpec delta merged. ADR written for any architectural decision. PR description includes an explicit risk callout.

The Result

Anyone on your team, or a future auditor, can open any PR and understand not just what changed, but why.

Trusted by Tech Leaders

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They have an impressive ability to understand complex requirements and transform them into powerful platforms that drive real business outcomes. OTAKOYI's team is responsive, detail-oriented, and consistently goes above and beyond to meet each milestone with precision.
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Roman Olney
Global Digital Marketing Director, Lenovo
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OTAKOYI's loyalty to ETA+ has been impressive, both in terms of their work and communication. OTAKOYI is a reliable partner, delivering on time, within budget, and with good quality. We can count on them to meet our needs, even with changing requirements.
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Dirk Wittler
Founder of ETA+ GmbH
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Their team showcases impressive energy, flexibility, and skills. They genuinely care about the project and pay attention to timelines and costs. They are great to work with, and even though their country has been at war, they have remained professional, kind, and honest.
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Michael Askew
CEO
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We've been very impressed by OTAKOYI. Their developers have been top notch so far. They are very knowledgeable and very technically proficient. In addition, unlike other development firms we've worked with, these developers think outside the box.
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Philip Ly
Founder
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No hidden costs, and more affordable than any other vendor we've seen at their level of quality. They have a collaborative design process and they listen well and can respond to client needs quickly. They also fix things quickly whenever they go wrong. I highly recommend them.
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Sam Bleakly
Marketing Director, Coto Academy
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At first, we involved OTAKOYI for a small project and they delivered a product that exceeded our expectations ahead of schedule. We then contracted them to build several more web applications. I find the speed in which they deliver quality software very impressive.
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Vance Heron
CTO, PeteHealth

Based on verified reviews, we’re recognized for

  • Long-term partnerships
  • Proactivity and professionalism
  • High-quality work
  • Strong design capabilities
  • Attention to detail
  • Effective communication
  • Great project management

Case Studies

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Frequently Asked Questions

We use enterprise-grade AI stacks with Zero Data Retention (ZDR) policies. Your proprietary code is never used to train public models. Furthermore, our "No-AI Zones" ensure that sensitive logic like encryption and auth is handled exclusively by human hands.

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Volodymyr Hodiak
CTO
Have more questions or just curious about future possibilities?
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We don't focus solely on technology. Technology is a tool that serves our clients' business objectives. Our priority is aligning technology with business goals, not the other way around.
Serhiy Lavrynenko
CEO
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Trusted by more than 160 companies
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