End-to-end Software
Development
The complete custom software project production, including system architecture, development, project management and quality assurance.
- Define your goals and project context
- Outline the architecture and key milestones
- Develop your product in an iterative and agile approach
- Push to production
Local AI
& Model Training
We train and adapt AI models for your industry's tasks and deploy them on your infrastructure. From production optimization to document processing, we help you target lower operating costs, better quality and stronger margins with measurable results.
Run AI models on your own infrastructure, trained and adapted for tasks specific to your industry.
Optimize production, quality and resource use, connect AI to your documents and business systems, and keep control of access, model versions and updates.
Agentic
Services
Autonomous agents that work for you, handling tasks, integrations and workflows.
- Personal agents with memory and personality
- Multi-channel: WhatsApp, Slack, Discord, Web
- Smart integrations with Gmail, Calendar, ClickUp
Visibility
Engineering
Be found by people and cited by AI. We engineer your visibility across classic search (SEO) and AI answers (GEO), powered by Alfaumi, our own visibility analyzer. Read our take on GEO in K MAG: GEO, wyszukiwarki i prawdziwa jakość.
- Visibility report from 4 sources: SEO, GEO, performance & social
- Get cited by ChatGPT, Perplexity, Claude & Google AI
- Prioritized, engineering-ready fixes and implementation
- Ongoing monitoring with Alfaumi, our own tool
Xfaang services at a glance
| Service | What it is | Best for |
|---|---|---|
| End-to-end Software Development | Full custom builds: architecture, development, project management & QA | Founders shipping a new product |
| Local AI & Model Training | AI models trained or adapted for tasks specific to your industry and deployed on your infrastructure, including production optimization. | Companies seeking operational improvements or working with sensitive data. |
| Agentic Services | Autonomous AI agents with memory across Slack, WhatsApp & web | Automating recurring workflows |
| Visibility Engineering | SEO and GEO services that make your brand visible in classic search and AI answers | Brands that want ChatGPT, Perplexity & Google to cite them |
“We built Xfaang to hold every engineer to big-tech engineering standards. Then we aimed that bar at automations that build themselves.”
Award-winning work. Recloth, built by Xfaang, won the Grand Prize in the Masters of Sustainability category at the Masters & Robots Awards 2026 in Warsaw.
Read about the award →Meet the people behind Xfaang
Senior engineers with 8+ years each, including ex-Google and ex-Amazon experience.
Co-CEO
Piotr Zientara
Co-CEO
Ignacy Szczupał
AI Tech Lead
Kacper Wikieł
Trusted by Industry Leaders
Companies we have worked with
Client Testimonials
“
Xfaang is the best software development company I've worked with. Their leadership, team management, proactive approach, and flexibility make them a top choice. Investing in Xfaang ensures success.
Yaron Keren
CEO
Crowdinnio
“
Since we started cooperating 9 months ago, Xfaang has been excellent for our startup, providing key talent, flexibility, professionalism, and competitive rates. Highly recommended for startups.
Mark Zollner
CEO
Stimy AI
“
Great team with great professionnals and good mentality! A pleasure to work with, I strongly recommend Xfaang!
Eliès Driss
MP
Groupe OCP
“
Xfaang team is just absolutely amazing! Technically very strong, extremely knowledgeable, fast, efficient and last but not least very professional You need help after running to obstacles, make sure you reach out to Xfaang team.
Adrien Abbasi
Co-Founder & CTO
Denteractive
“
All-star developers who are not only amazing coders, but also great communicators. These folks have gone through recruitment and career development at the world’s top companies and solved their mind-boggling problems working with rock star teams.
Tomek Wiszniewski
Founder & CEO
Lofty
Tomasz Stachewicz
Founder
Rebased
What Our Clients Say
Reviews from Google
5.0 average from 5 Google reviews
5.0-star rated on Google from 5 reviews
Aloha Fungi
Andre Danek
Bogumiła Hoszowski
Tomasz Marcińczyk
Klaudia Moroń
Frequently Asked Questions
What Xfaang does, how we work, and how to get started
What does Xfaang do?
Xfaang builds custom software, deploys local AI models, creates agents that automate tasks and workflows, and improves visibility in search engines and AI answers. We select solutions for the client's business objectives, from improving document workflows to optimizing production.
What is a metaautomation?
A metaautomation is the automation of building automations. Instead of hand-coding a single workflow, Xfaang deploys autonomous agents that build, deploy and maintain workflows for you, so your team focuses on outcomes rather than wiring integrations together.
What services does Xfaang offer?
Our services include custom software development from architecture to deployment, Local AI & Model Training, Agentic Services and Visibility Engineering. We combine engineering expertise with evaluation of quality, costs and business impact.
What are Agentic Services?
Agentic Services are autonomous AI agents that work for you, handling tasks, integrations and workflows. They come with persistent memory and personality, run across multiple channels such as WhatsApp, Slack, Discord and the web, and integrate with tools like Gmail, Google Calendar and ClickUp.
What makes Xfaang different from other software development outsourcing companies?
Xfaang is led by engineers who passed recruitment and built products at the world’s top technology companies, and it applies those big-tech hiring and engineering standards to every team. Clients consistently rate Xfaang 5 stars on Google for its leadership, proactive approach and flexibility.
Which companies has Xfaang worked with?
Xfaang has delivered software for clients including Groupe OCP, Stimy AI, Lofty, Denteractive, Rebased and Callstack, spanning real estate, AI startups and developer tooling.
What is Visibility Engineering?
Visibility Engineering is Xfaang’s service for making your brand visible where customers actually look: classic search engines (SEO) and AI assistants like ChatGPT, Perplexity and Claude (GEO). It is powered by Alfaumi, Xfaang’s own visibility analysis and monitoring tool. Learn more at visibility.xfaang.com.
Where is Xfaang based and what languages do you work in?
Xfaang is based in Poland and works with clients worldwide. The team operates in English and Polish.
How do I start working with Xfaang?
Email hello@xfaang.com or use our contact form. Tell us about your goal, a workflow you want to improve or your data requirements. We will help define the scope and identify the right service.