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Resilient infrastructure for
regulated environments.

We design, build, and operate platforms that banks, fintechs, and payment providers run on — for environments where failure is not an option, built by people who have worked inside this world.

Our story

We started from one pattern we kept seeing.

Before Grow2FIT we spent more than twenty years inside banks and software vendors that build for them: in delivery, architecture, and operations. We saw these systems from the inside, across dozens of projects. And we kept seeing the same pattern.

Resilient infrastructure is the foundation everything else runs on — and it is the part that gets treated as a cost, or postponed until something breaks. The platform is assumed to be fine until an audit, an incident, or a scaling wall proves otherwise. By then, the timeline to fix it is rarely yours to set.

We founded Grow2FIT in 2020 to flip that order — to treat resilient infrastructure as the starting point, not the patch you apply after the failure.

Since then we have grown from supplying senior experts into something more complete: today we design, build, and operate infrastructure platforms ourselves, for regulated environments where both the audit and the incident are real. Not a desk that sends CVs and waits. Not a consultancy that hands over a slide deck and leaves. A team that stays accountable for whether the platform actually holds.

30+

Engineers & Consultants

2020

Founded

30+

Clients served

6

Countries

The Grow2FIT team at work
What we do

We call it Resilient Infrastructure Services: the design, build, and evolution of infrastructure platforms for environments where downtime means regulatory exposure and lost trust. One partner across the full lifecycle — from the first assessment, through platform build and compliance hardening, to long-term operations.

What we do, in detail
Why clients choose us

What makes us different.

One team, the whole chain

Kubernetes, GitOps, and platform engineering expertise sit in the same delivery unit as people who spent years inside banks and payment businesses. You don't coordinate between a technical vendor and a compliance advisor — the people designing your platform already understand the regulatory context it has to survive.

We've been in your chair

Several of our people sat on the institution's side of the table — as CIO, operations directors, core-banking project managers, contributors to the European Payment Council. When we propose something, it is measured against what actually passes inside a regulated organisation, not what looks clean on a diagram.

AI-powered delivery, across the whole firm

Not a buzzword — it runs through the way we work, not a single function. We've built AI into delivery, operations, knowledge management, quality assurance, documentation, and how we run the business day to day. It makes us faster and more consistent without inflating team size — so you get senior output at a pace a team our size could not otherwise reach.

Senior-only — and the regulation covered as a team

Every person is a senior specialist. No single individual carries every framework — but across the team we cover DORA, NIS2, PCI-DSS, SEPA, MICA, and others. Whatever your regulatory reality demands, someone here has already done it before. For you that means fewer surprises in the audit, fewer late-night incidents, and infrastructure that improves over time instead of just aging.

The team

One team — not a set of separate departments.

A senior team that brings infrastructure engineering and hands-on banking experience under one roof — many with 15–25+ years. One team, not a set of separate departments you have to stitch together.

Marcel Miklúš
Marcel Miklúš
Founder & CEO
Peter Brtáň
Peter Brtáň
Co-founder, Sales & Marketing
Ivan Sládek
DevOps Engineer — Kubernetes & Cloud Platforms (AWS/Azure)
Jakub Kuželka
Jakub Kuželka
Senior DevOps / DevSecOps — Observability & Kubernetes At Scale
Tomáš Čorej
Tomáš Čorej
Cloud & DevOps — Open-source Infrastructure At Scale
Roman Zelenaj
Roman Zelenaj
DevOps — Virtualization, Networking & GitOps
Kamil Madáč
Kamil Madáč
Cloud & DevOps — OpenStack, Ceph & Storage
Roman Hains
Roman Hains
Core Banking Architecture — T24, Mambu, FLEXCUBE
Jana Revajová
Jana Revajová
Banking Solution Architecture — Payments & Cards
Marián Ivančo
Marián Ivančo
Software Architecture — Cloud-native & Microservices
Ladislav Mozsár
Ladislav Mozsár
Banking Consulting & PM — Cards, SEPA, Core Banking
Ingrid Kosibová
Ingrid Kosibová
Banking Operations & Payments — Regulatory Change
Lukáš Potocký
Lukáš Potocký
IT Project Management — Datacenter & Transformation Programs
Marcel Miklúš
Founder & CEO
Peter Brtáň
Co-founder, Sales & Marketing
Ivan Sládek
DevOps Engineer — Kubernetes & Cloud Platforms (AWS/Azure)
Jakub Kuželka
Senior DevOps / DevSecOps — Observability & Kubernetes At Scale
Tomáš Čorej
Cloud & DevOps — Open-source Infrastructure At Scale
Roman Zelenaj
DevOps — Virtualization, Networking & GitOps
Kamil Madáč
Cloud & DevOps — OpenStack, Ceph & Storage
Roman Hains
Core Banking Architecture — T24, Mambu, FLEXCUBE
Jana Revajová
Banking Solution Architecture — Payments & Cards
Marián Ivančo
Software Architecture — Cloud-native & Microservices
Ladislav Mozsár
Banking Consulting & PM — Cards, SEPA, Core Banking
Ingrid Kosibová
Banking Operations & Payments — Regulatory Change
Lukáš Potocký
IT Project Management — Datacenter & Transformation Programs
Roman Palonder
Roman Palonder
Cloud & DevOps Engineer — Kubernetes, AWS & Automation (CKA/CKS)
Tomáš Pospíšil
Tomáš Pospíšil
DevOps / Cloud Engineer — AWS/Azure, Kubernetes, Kafka & CI/CD
Jiří Broulik
Jiří Broulik
DevOps Engineer — Cloud-native, OpenStack & Ceph (AWS/GCP)
Rafig Alimardanov
Rafig Alimardanov
SRE / Cloud Engineer — AWS Reliability, Kubernetes & Terraform
Jozef Polčík
Jozef Polčík
DevOps Engineer — AWS, GitOps & Kubernetes
Peter Vlček
Peter Vlček
IT Analysis — Banking (Collaterals, Loans, Payments)
Patrik Spišák
Patrik Spišák
IT Analysis — Banking & Payments Systems
Jakub Bárta
Jakub Bárta
Business Analysis — Payment Platforms
Pjetro Iveziq
Pjetro Iveziq
Senior Project Management — Banking Transformation
Blažej Luko
Blažej Luko
Dynamics 365 / CRM Consultant — Config, Integrations & Architecture
Vladimír Janov
Vladimír Janov
Senior Project Management — Migrations & Release
Milan Tichý
Milan Tichý
Senior IT PM — Banking, Regulatory & Core System Migrations
Vladimír Antalík
Vladimír Antalík
SharePoint Architecture & Development
Roman Palonder
Cloud & DevOps Engineer — Kubernetes, AWS & Automation (CKA/CKS)
Tomáš Pospíšil
DevOps / Cloud Engineer — AWS/Azure, Kubernetes, Kafka & CI/CD
Jiří Broulik
DevOps Engineer — Cloud-native, OpenStack & Ceph (AWS/GCP)
Rafig Alimardanov
SRE / Cloud Engineer — AWS Reliability, Kubernetes & Terraform
Jozef Polčík
DevOps Engineer — AWS, GitOps & Kubernetes
Peter Vlček
IT Analysis — Banking (Collaterals, Loans, Payments)
Patrik Spišák
IT Analysis — Banking & Payments Systems
Jakub Bárta
Business Analysis — Payment Platforms
Pjetro Iveziq
Senior Project Management — Banking Transformation
Blažej Luko
Dynamics 365 / CRM Consultant — Config, Integrations & Architecture
Vladimír Janov
Senior Project Management — Migrations & Release
Milan Tichý
Senior IT PM — Banking, Regulatory & Core System Migrations
Vladimír Antalík
SharePoint Architecture & Development
Selected work

Companies that trust us with their infrastructure.

Kubernetes platform, GitOps, monitoring + SIEM, DR automation; DORA-ready infrastructure built from scratch.

"When we first approached Grow2FIT, we only had rough ideas of what we wanted to achieve. Their team guided us through the analysis and design process, helping us transform those ideas into a robust, well-structured solution perfectly tailored to our needs."

Marián BabušekMarián Babušek, CEO

Enterprise DevOps capabilities assessment; an independent perspective and pragmatic, prioritised recommendations.

"The external study provided us with a valuable independent perspective on our processes and brought in new insights that go beyond our existing in-house know-how."

Roman MašekRoman Mašek, Director, IT Digital Services, ČSOB

Assessment and delivery improvement.

"Enabling Appello to focus improvement efforts where they matter most — without a lengthy consulting engagement."

János SzilágyiJános Szilágyi, Head of PMO

Software Development Acceleration.

"The Grow2FIT team quickly integrated into our development structures, speeds up our development, and brings new perspectives."

Marcel ŠúriMarcel Šúri, CEO
Read the case studies

Ready to make your platform resilient?

No pitch, no obligation — just a conversation about where your infrastructure is today and what makes sense as a next step.