About STX Next

We are engineering and business sparring partners for leadership teams in the Industrial and Financial sectors.

We sort out complex underlying cloud and data architectures to unlock and maximize AI potential by integrating intelligent solutions in your everyday operations.

STX Next at a Glance

Headquarters
Poznań, Poland
Offices
Poznań • Gliwice • London • Houston • Merida
Core expertise
Data Engineering • AI & ML • AI-native Software Engineering • Cloud Infrastructure
Industries served
Industrial (manufacturing, oil & gas, energy)
Financial (financial services, insurance, private equity)
Markets served
Europe (incl. UK&I) and North America
Stylized map of the world focused on the Northern Hemisphere, highlighting three glowing points in Europe and two in North America and Central America.
2005
Founded
450
+
Specialists
1,000
+
Projects delivered
400
+
Clients worldwide
OUR AI PHILOSOPHY

A Reasonable
‍AI Approach

Four principles that keep AI spend accountable to outcomes, in the order we apply them on every engagement.

MINDSET

Honest & Grounded Advisory

We scrutinize project briefs to protect your budget and industry regulations. If a mandate asks for AI where standard deterministic software or automation tools work better or safer, we explain the trade-offs and recommend the best fit. We'd rather lose the AI scope than deliver something you regret in six months.

BASELINE

Value-First Implementation

We embed AI strictly inside workflows where automation drives direct financial returns, lowering operating costs and/or accelerating execution. During discovery, we run custom ROI calculators and create prototypes against your real data to forecast value and ensure we understand (and challenge) your end goal before you commit a budget. 

IMPLEMENTATION

Infrastructure Before Intelligence

We refactor flawed data and cloud architecture at the foundation level. Preparing your data layer ensures AI workloads process queries with high model accuracy, real-time context and grounding. Optimized, modern cloud layer delivers elastic compute and cost-efficient infrastructure required to scale workload seamlessly across your organization. If your industry regulations or company prefers it, we work with Sovereign Cloud partners and with on-premise deployments as well.

TEAM MODEL

Direct Senior Ownership

Instead of being handed off from one team to another and changing contact points through every stage, one senior engineer stays with your system from day one of our conversations through deployment. 

‍

They start by scrutinizing your operational pain to ensure we only build what matters. Supported by targeted domain experts and our Agentic Engineering / AI-native SDLC framework which speeds up development by 2-10x (2x-5x for brownfield, 10x+ for greenfield), a tight AI Pod with an FDE outpaces a traditional team of ten.

Two men seated at a table inside a room, one man in a pink t-shirt listens while the other in a gray jacket gestures with his hands, large letters visible in the background.
OUR HERITAGE

Build on Python Excellence

Python has become the undisputed lingua franca of modern artificial intelligence, especially for AI Agents. At STX Next, we have been building, scaling, and optimizing in Python for over two decades now.

That long-term focus means your AI initiatives are engineered by teams who know the language inside and out, delivering secure, scalable software from day-to-day model integration to enterprise data pipelines.

Our Approach

Our Core Values

Partnership Built on Freedom
Show, Not Tell
Your Product, Treated as Ours
Unfiltered Transparency
01
Partnership Built on Freedom

We believe technical autonomy requires secure infrastructure and internal operational confidence. We deploy sovereign platforms, transfer system know-how to your engineers, and stay by your side as strategic sparring partners when new technical challenges surface.

Partnership Built on Freedom
02
Show, Not Tell

Don’t sign off on speculative promises. In over 70% of our discoveries, we convert briefs into custom prototypes that prove operational value on real data.

Partnership Built on Freedom
03
Your Product, Treated as Ours

We flag problems nobody asked us to look for, push back on decisions that will cost you later, and keep finding the next thing worth building.

STX Next team cares about our product as if it were their own.
Becca Thompson
Director,
VetMedux
04
Unfiltered Transparency

No black-box development or silent delays. Through regular syncs, open channels, and clear progress tracking, we keep you fully informed on progress and milestones.

Partnership Built on Freedom
THE TEAM

Leadership

Our leaders bring together engineering, delivery, and business expertise to help clients move faster without taking on unnecessary risk.
Yuriy Adamchuk
CEO
Yuriy Adamchuk
CEO

As CEO, I lead our organization with a commitment to growth, operational excellence, and innovation. Together with a talented executive team, we bring diverse perspectives to harness the transformative power of data and artificial intelligence.

Łukasz Koczwara
CTO
Łukasz Koczwara
CTO

I’m responsible for ensuring an outstanding customer experience, developing staff, streamlining processes, and maintaining efficient operations. I also manage budgets, business partners, and contracts as needed.

Karol Kleszcz
CFO
Karol Kleszcz
CFO

I act as the business co-pilot—shaping financial strategy to maximize company value while ensuring appropriate risk management. I leverage my experience leading finance teams in global organizations, international positions and private equity to drive STX Next's strategic growth.

Matthew Harris
CCO
Matthew Harris
CCO

I’m the first point of contact for new potential business partners, with considerable experience in the fintech space. Having lived and worked on four different continents, I appreciate the unique challenges of our customers.

Greg Swimer
Lead Technology Advisor to the Board
Greg Swimer
Lead Technology Advisor to the Board

With more than 25 years of experience in technology leadership roles, I have been Chief Technology Officer for large enterprises in three industries - Consumer Goods, Advertising, and Sports. I am currently Chief Technology Officer for City Football Group as well as a board advisor at STX Next.

Maciej Dziergwa
Advisor to the Board
Maciej Dziergwa
Advisor to the Board

As a co-founder and former CEO of STX Next, I played a role in establishing the company as the leading Python software company in Europe. Now, as an advisory board member, I continue to guide our strategic vision and foster the company's ongoing success.

Piotr Świerczek
Advisor to the Board
Piotr Świerczek
Advisor to the Board

Before my tenure at Innova Capital, I served as an analyst at DC Advisory, where I provided guidance on mergers and acquisitions for small and medium-sized enterprises across the CEE region. My professional journey includes enriching internships at Deloitte, Santander in Warsaw, and Deutsche Bank in Frankfurt.

Michał Wojdyła
Advisor to the Board
Michał Wojdyła
Advisor to the Board

With a solid background in private equity, I have facilitated numerous investments and managed portfolio companies in various sectors. I specialize in strengthening Innova's presence in technology, particularly in the IT services sector, complementing my extensive experience in the manufacturing and consumer industries.

Andrzej Bartos
Advisor to the Board
Andrzej Bartos
Advisor to the Board

With 23 years of experience in private equity, including two decades at Innova Capital, I have spearheaded investments primarily within the manufacturing sectors. Leveraging my in-depth knowledge of the Polish stock markets, I actively engage in transactions involving these markets, contributing to our continued success.

Lars Olof Elfversson
Advisor to the Board
Lars Olof Elfversson
Advisor to the Board
Marta Błażejewska
Director of Sales
Marta Błażejewska
Director of Sales

I manage a team of experienced New Business Managers, who help CEOs, CTOs, and software managers seamlessly navigate through product development. I work closely with our customers to help them leverage product development teams and find product/market fit.

Michał Kwiatkowski
Director of Technology Operations Centre
Michał Kwiatkowski
Director of Technology Operations Centre

I work closely with our business partners on the operational and business level to ensure we comply with our agreements and assign the right people to the right projects. In short, my job is making both our customers and co-workers happy.

Marek Olejniczak
Director of AI
Marek Olejniczak
Director of AI

My main focus is on navigating the ever-evolving tech landscape, ensuring that we develop and implement cutting-edge solutions to say ahead in the digital world. I lead our teams in shaping our technological vision and strategy.

Virgilio Macedo
CTO Americas
Virgilio Macedo
CTO Americas

With 24 years in IT, including 12 in data, cloud and AI, I turn complex tech into real business value. I’ve led digital transformations across software, infrastructure, security and client success always with one goal: helping organizations unlock their full potential.

Janusz Kukla
Director of Cloud
Janusz Kukla
Director of Cloud

My team and I are dedicated to maximizing the cloud's potential for our customers, whether through a single provider or multiple ones. By fostering continuous growth among our team members and quickly transforming innovations into valuable solutions for customers, we strive to deliver consistent and effective results.

Hisham Itani-Kleinschmidt
Director of Growth
Hisham Itani-Kleinschmidt
Director of Growth

With experience in professional services & product companies, I lead Demand Generation to power client-centric Marketing, Sales, Partnerships, and Tech. I focus on rapid execution, continuous optimization, and data-driven strategies to ignite lasting growth.

Tomasz Jędrośka
Head of Data Engineering
Tomasz Jędrośka
Head of Data Engineering

My primary focus is on supporting technology and business leaders in maximizing the ROI of their data initiatives. Within my team, I strive to cultivate comprehensive skills in building tailored, cloud-native data platforms that are performant, cost-efficient, and have integrated quality assurance features.

Marcin Siemieński
Head of Product Design
Marcin Siemieński
Head of Product Design

Product designer with startup, marketing, and software house background, who enjoys creating meaningful and usable things in digital space. My job is complete only when I solve the problem—both for the business and the end-user. Lover of enterprise-level solutions.

Karina Śliwińska
Head of Delivery for the UK
Karina Śliwińska
Head of Delivery for the UK

I’m a people person who combines curiosity about others with a passion for efficiency. With experience in both software houses and large product companies, I bring together two key aspects of software development: the business perspective and the technical expertise.

Anna Burzyńska
Head of Cloud
Anna Burzyńska
Head of Cloud

Together with our Cloud Team, I deliver future-proof solutions across multi-cloud, hybrid, and on-prem environments. With a background in large-scale systems, I focus on bringing experts together to bridge cloud innovation with the secure, practical needs of modern businesses.

Sebastian Resz
Country Manager UK
Sebastian Resz
Country Manager UK

I strongly believe that sales is all about helping people. Together with my team we constantly look for ways to empower businesses in their mission to improve the world.

Paweł Hojcz
Head of Strategic Partnership
Paweł Hojcz
Head of Strategic Partnership

With more than 10 years of experience in operational management at international markets, I support the global growth of STX Next, aiming to become the no.1 choice for companies looking for a (Python) software house.

Łukasz Tuszyński
Head of AI-Native Software Engineering
Łukasz Tuszyński
Head of AI-Native Software Engineering

I’m an experienced AI-native software development manager with a demonstrated history of working in the IT industry. My core skills include business relationship management and process optimization. I’m a proud Management 3.0 evangelist and Agile practitioner.

Paweł Kulpa
Head of JS
Paweł Kulpa
Head of JS

I have 15+ years of experience in IT, both in development and management. I believe in transparency and trust, both of which lay a solid foundation for building a collaborative space, as well as effective development of the team and portfolio.

Damian Winczewski
Head of Product Management
Damian Winczewski
Head of Product Management

Together with my team of experienced Product Owners and Scrum Masters, we maximize the value of a customer's product and build effective teams.

Tomasz Lewandowski
Head of IT
Tomasz Lewandowski
Head of IT

As a Head of IT, I’m responsible for implementing innovative IT solutions that not only ensure a robust infrastructure but also keep us on top of industry advancements. Each day, I leverage technology to drive operational efficiency and company-wide digital transformation.

Paweł Dudko
Head of Legal
Paweł Dudko
Head of Legal

I am an attorney-at-law, acting as in-house lawyer and Head of Legal at STX Next. I provide strategic legal support, bridging law and innovation to help the Company navigate the evolving digital landscape.

Monika Szymańska
Head of Accounting
Monika Szymańska
Head of Accounting

I’ve been in charge of managing the various and numerous accounting-related activities at STX Next for the past 13 years and counting. From behind the scenes, I make sure all of our co-workers feel taken care of and the company runs like a well-oiled machine.

Łukasz Łubiński
Head of Sales Excellence
Łukasz Łubiński
Head of Sales Excellence

I act as a strategic enabler of sales performance, using global experience to drive customer-focused growth through data insights, process automation, and operational excellence across diverse markets.

Monika Mikołajczyk
Director of Controlling and Internal Audit
Monika Mikołajczyk
Director of Controlling and Internal Audit

Over 20 years of experience in finance and corporate structures, combining financial expertise, legal aspects of company operations, and project management. I value teamwork, transparency, and accountability in achieving long-term goals.

Wojciech Małłek
Delivery Manager
Wojciech Małłek
Delivery Manager

I combine 20+ years of hands-on IT and leadership experience with a pragmatic, people-first approach, helping teams and clients turn complex challenges into predictable, long-term success.

Monika Górecka
Head of Project Management Excellence
Monika Górecka
Head of Project Management Excellence

I believe that successful delivery starts with people, but scales through strong processes and alignment. In my role I ensure that teams are supported by clear structures, transparent communication, and a shared focus on delivering measurable value - for both customers and the organization.

Dorota Kowalik
Head of Talent Attraction & Acquisition
Dorota Kowalik
Head of Talent Attraction & Acquisition

With 10+ years in TA, I specialize in modern strategies, EB, and AI in HR. I’m passionate about human-centric scaling and tech. In my role, I drive recruitment and branding to bring top experts to the team.

Krzysztof Jabłoński
Head of Delivery - Octo
Krzysztof Jabłoński
Head of Delivery - Octo

I have over 10 years of servant leadership experience in building professional Agile teams. I love working with people and strongly believe that partnerships, combined with trust and professionalism, are the key to building a bright future for our customers and the best place to work for our co-workers.

OUR JOURNEY

Two decades of Python-first growth

From a Polish branch of a Dutch consultancy to a 450-person engineering partner — drag or scroll through the milestones.
2005

Founded by Maciej Dziergwa, Peter Valkenburg, and Andrzej Mleczko as the Polish branch of Alt Control Communicatie B.V.

2008

Transitioned to 100% Polish ownership and rebranded to STX Next.

2013

Expanded internationally into the UK and US markets.

2014–2018

Added Product Design, QA, and DevOps to core engineering services.

2020

Innova Capital acquired a majority stake to accelerate growth.

2022

Opened a nearshore delivery center in Mexico and acquired AI/NLP specialist Ermlab; partnered with Squirro.

2023

Scaled to AWS Advanced Tier Partner status and established official partnerships with Snowflake and Databricks.

2024

STX Next acquired Brainhub, integrating 100+ specialists with expertise in React, .NET, and AWS.

2025

Appointed Yuriy Adamchuk as CEO to guide the company's next phase of scale.

SECURITY

ISO 27001 and TISAX certified

STX Next expanded its risk management framework by earning ISO 27001 certification in 2024, followed by official TISAX validation in 2025. By combining global compliance frameworks with agile delivery practices, we provide european and global enterprise clients with validated, highly regulated software environments.

Making a difference

Our Corporate Social Responsibility (CSR)

The success of our customers and co-workers depends on smooth processes and informed decision-making. We have a roster of seasoned leaders applying the best management and communication practices on the market to our work.

Bronze badge indicating top 35% sustainability rating by Ecovadis, valid until December 2025.

We hold the EcoVadis Bronze Medal, placing us in the top 35% of sustainable companies globally. It validates our commitment to green energy and responsible operations.

Environmental Sustainability

White icon of a solar panel inside a dark circle with a white border.

From 2024, we are using 100% green energy to power our Poznań office.

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We organized a Sports Challenge with points translating into 300 trees planted in Żabno near Poznań.

White chat bubble containing a gift box icon inside a dark circular button.

Since early 2025, our welcome packs have featured eco-friendly, top-quality products designed to last for years—and we plant a tree for every new team member.

Engaged Team

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We provided many D&I initiatives, promoting a stronger and more innovative team.

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Our Growth Review process and transparent salary grading ensure tailored development plans and clear paths to career growth and salary raises.

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Each year, we come together to support the Szlachetna Paczka initiative, helping families living in poverty.

Social Responsibility

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We organize open PAIDA and DevDuck knowledge sharing events to support local communities.

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We extend our global reach through aid and support for Ukraine, including fundraising, equipment donations and housing assistance.

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We engage in CSR sports events such as Wings4Life and Poland Business Run, demonstrating our commitment to social responsibility and team spirit.

Our customers love to work with us