YAGNI.IO — Pragmatic engineering for cloud-native products.

We build reliable backends and apps using Python & Go, AWS/GCP, React/TypeScript, and mobile stacks (React Native / FlutterFlow). Tech Lead and Solution Architect for your service.

Services

Architecture & Code Review

Assess existing systems, architecture, and codebases to identify risks, bottlenecks, and improvement opportunities. Actionable recommendations focused on scalability, reliability, security, and long-term maintainability.

Cloud Architecture

Design and implement cloud-native solutions on AWS and GCP. Infrastructure as code, serverless architectures, container orchestration, and cost optimization. Production-ready systems built for scale.

Backend & APIs

Build robust, scalable backend systems using Python and Go. REST and GraphQL APIs, microservices architecture, and database design with a strong focus on performance, security, and maintainability.

Frontend Development

Create responsive, high-performance web applications using React and TypeScript. Clean UI architecture, state management, API integration, and attention to user experience and code quality.

Mobile Development

Develop cross-platform mobile applications using React Native and FlutterFlow. Native performance, consistent UX, offline capabilities, and platform-specific optimizations for iOS and Android.

Tech Lead / Solution Architect

Lead engineering teams through full delivery cycles. Architecture planning, technology selection, code review, and mentoring. Align business goals with technical execution and long-term system health.

Apps

BeautyChat

In development

AI-powered beauty planning app that helps users build realistic routines tailored to their goals and lifestyle.

VibeCheck Beauty

In development

A lightweight companion for quick check-ins, habit tracking, and building consistency around beauty and self-care.

The CEO

Bridging engineering, architecture, and business impact.

I am a Principal Software Engineer and Solution Architect with over a decade of experience designing and delivering cloud-native systems. I specialize in building scalable backends, cloud infrastructure, and product platforms using Python, Go, AWS, and GCP, with a strong focus on long-term maintainability and business outcomes.

My daily role is a Tech Lead, supporting teams across the full delivery lifecycle — from architecture and technical strategy to hands-on implementation and mentoring. YAGNI.IO currently cooperates with Xebia, combining deep technical work with leadership and pragmatic decision-making.

Arkadiusz Gutkowski · CEO / Principal Engineer

LinkedIn X Sessionize

Company & Contact

Company

Legal

YAGNI.IO is a Limited Liability Company registered in National Court Registry under no. 0000714375.

YAGNI.IO Sp. z o.o.

Aleja Grunwaldzka 413
80-309 Gdańsk
Poland

VAT EU: PL5833282226

D-U-N-S®: 439433966

Contact

The primary contact channel for YAGNI.IO is LinkedIn. Please reach out via the company page with a short description of your project or inquiry.