Principal Core Banking Solution Architect Consultant

GFT Technologies SE; Polska; Hybrid; PLN 372,000 - 482,000; Full time

Benefits offered by this job

Competitive salary

Hybrid work model

Growth opportunities

Job summary

GFT Poland is seeking a Principal Core Banking Solution Architect Consultant to drive architecture strategy for large-scale Core Banking transformations. You will lead architectural efforts, mentor teams, and advise clients across complex migration initiatives.

The role requires deep Core Banking and consulting experience, with familiarity of modern platforms such as Vault, Mambu, Temenos, and Oracle FLEXCUBE. Hybrid work arrangements are available.

Qualifications

• Extensive experience as a Solution/Lead/Enterprise/Principal Architect in banking.
• Proven track record leading Core Banking transformation programmes.
• Experience defining architecture strategy, migration approaches and target operating models.
• Strong consulting and stakeholder management skills.

Responsibilities

• Define architecture vision and target-state for major transformation programmes.
• Lead architecture teams across multiple workstreams.
• Act as the primary architecture advisor for clients and senior stakeholders.
• Govern solution architecture throughout implementation and migration programmes.
• Lead platform selection, architecture assessments and transformation roadmaps.
• Support strategic pursuits, proposals and large pre-sales engagements.
• Coach and mentor other architects.
• Drive architecture standards and capability development within the organisation.

Skills

Core Banking expertise

Leadership & consulting

Cloud-native architectures

APIs & microservices

Event-driven systems

Tools

Thought Machine Vault

Mambu

10x Banking

Engine by Starling

Temenos

Oracle FLEXCUBE

Job description

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Principal Core Banking Solution Architect Consultant

Date: Sep 21, 2026

Location: Łódź, PL, 90-118 Kraków, PL, 30-302 Poznań, WP, PL, 61-569 Warszawa, PL, 00-839

Working place: Hybrid

Working Location:

Type of contract: B2B contract

Salary range: 270 - 350 PLN/H

What will you do?

As a Principal Core Banking Solution Architect, you will drive architecture strategy and technical leadership across large-scale Core Banking transformation programmes. You will act as a trusted advisor for clients and provide architectural leadership for complex modernisation, migration and implementation initiatives.

You will combine deep Core Banking expertise with consulting, leadership and transformation experience to help shape the future of banking platforms and operating models .

• Defining architecture vision and target-state architecture for major transformation programmes.


• Leading architecture teams across multiple workstreams.


• Acting as the primary architecture advisor for clients and senior stakeholders.


• Governing solution architecture throughout implementation and migration programmes.


• Leading platform selection, architecture assessments and transformation roadmaps.


• Supporting strategic pursuits, proposals and large pre-sales engagements.


• Coaching, mentoring and developing other architects.


• Driving architecture standards, best practices and capability development within the organisation.


• Core Banking Expertise
  
  
  
  • Extensive experience as a Solution Architect, Lead Architect, Enterprise Architect or Principal Architect within banking.
  
  
  • Proven track record in leading Core Banking transformation programmes.
  
  
  • Experience defining architecture strategy, migration approaches and target operating models.
  
  
  • Strong experience with modern Core Banking platforms such as: Thought Machine Vault, Mambu, 10x Banking, Engine by Starling, Temenos, Oracle FLEXCUBE or other leading Core Banking solutions.
  
  
  • Deep understanding of both modern and legacy Core Banking ecosystems.
  
  
  
  


• Banking Domain Knowledge
  
  
  
  • Deep understanding of: Retail and Commercial Banking, Deposits and Lending, Product Manufacturing, Payments and Cards, Core Banking Operations, Regulatory and Compliance Processes, Core Banking Ecosystem Integration
  
  
  
  


• Leadership & Consulting
  
  
  
  • Experience leading architecture teams or multiple architecture workstreams.
  
  
  • Ability to independently shape solutions and challenge architectural decisions where needed.
  
  
  • Experience working with CIOs, CTOs, Heads of Architecture and senior business stakeholders.
  
  
  • Strong consulting and stakeholder management skills.
  
  
  
  


• Expertise in cloud-native architectures, APIs, microservices and event-driven systems.


• Strong understanding of modernisation and migration patterns.


• Ability to balance business, operational and technical objectives when defining transformation strategies.

We are GFT Poland. WE KNOW how to tackle complex issues with innovative approach to deliver the highest value. Our reputation has been built around one simple rule: we do not overpromise, WE DELIVER. We deliver to our employees, clients and partners. WE GROW as you grow, so investing in you is our business strategy. Caring for each other is our priority. WE CARE who you are, what you need, how you feel. WE CARE to smile, have fun and develop as human beings.

Why Choose GFT?

• A culture of top performance


• Deep tech IT engineering & consulting


• 1200 skilled & top-class experts


• 77% of the team are regular/senior


• Products that contribute to a sustainable world


• Competitive salary and benefits


• Ambitious projects, trainings and tools you need to flourish


• Google Cloud Partner of the Year - for going above and beyond for customers