Marcin Walisiewicz-Niedbalski - IT Director /...

Q: Where is Marcin based?

Marcin is based in Warsaw, Poland .

Q: What languages does Marcin speak?

Marcin speaks the following languages: Polish (Native), English (Advanced), German (Elementary) .

Q: How many years of experience does Marcin have?

Marcin has at least 28 years of experience. During this time, Marcin has worked in at least 5 different roles and for 4 different companies . The average length of individual experience is 6 years and 8 months . Note that Marcin may not have shared all experience and actually has more experience.

Q: What is Marcin's latest experience?

Marcin's most recent position is Career break — Focus on private matters .

Q: What companies has Marcin worked for in recent years?

In recent years, Marcin has worked for Citihandlowy (FinTech Delivery Unit) , SDC (Payments & SWIFT Delivery) , HSBC Service Delivery (Poland) , and Citibank International PLC (Global FinTech Organization) .

Q: Which industries is Marcin most experienced in?

Marcin is most experienced in industries like Banking and Finance and Information Technology .

Q: Which business areas is Marcin most experienced in?

Marcin is most experienced in business areas like Information Technology , Project Management , and Product Development . Marcin also has some experience in Operations and Strategy .

Q: Which industries has Marcin worked in recently?

Marcin has recently worked in industries like Banking and Finance and Information Technology .

Q: Which business areas has Marcin worked in recently?

Marcin has recently worked in business areas like Information Technology , Project Management , and Product Development .

Recommended expert

Warsaw, Poland

Experience

Jan 2025 - Present

1 year 3 months

Warsaw, Poland

Career break — Focus on private matters

A personal break to address important private matters while remaining professionally engaged—advising selectively, staying close to integration and automation technologies (including cloud platforms), and preparing for my next strategic leadership role.

Jan 2024 - Dec 2025

2 years

Warsaw, Poland

IT Director / Product & Delivery Manager

Citihandlowy (FinTech Delivery Unit)

Owned delivery and product evolution for core banking, treasury, and cybersecurity platforms using Agile practices and Jira, strengthening delivery cadences and security posture.
SaaS transformation—introduced observability (Geneosys ITRS) and orchestration/automation (Autosys), improving incident detection and lowering downtime; extended integration approach with Azure Functions / Logic Apps to standardize event-driven flows between platforms.
Integration & APIs—established service contracts and versioning rules; expanded asynchronous patterns with Azure Service Bus; formalized non-functional requirements (resiliency, idempotency, retries).
Team leadership—~35–45 FTE (engineering + product + SRE), distributed across Poland, India and nearshore; led vendor ecosystem and weekly program governance.
Escalation & service management—acted as executive escalation point using ServiceNow; standardized on-call runbooks; resolved most P1 incidents within 24h.
Automation & Power Platform—pilots with Power Automate to reduce manual reconciliations and handoffs between ops & product; low-code apps for environment requests & approvals.
Compliance & controls—aligned delivery with BSA/AML, GDPR, FATCA; strengthened control evidence in Confluence and automated metrics.
–30% manual touchpoints in release & operations workflows by combining Autosys, ServiceNow, and low-code forms;
–20% MTTR thanks to integrated observability and standardized runbooks;
Accelerated release trains (2→4 per quarter) for critical banking components via cross-team governance and API-first backlog.

Jan 2023 - Dec 2024

2 years

Copenhagen, Denmark

IT Manager (Payments & SWIFT Delivery)

SDC (Payments & SWIFT Delivery)

Led delivery of SWIFT & international payments platforms with Fixed-Price models & IT governance; ensured compliance and on-time launches across three regions.
Scope/budget/risk—JIRA + risk registers; reduced schedule variance and upheld regulatory controls.
Integration work—standardized payment interfaces & gateways; hardened message flows; introduced automation hooks for operational checks and alerting.
Team leadership—~15 FTE across engineering/ops + multi-vendor collaboration.
Improved delivery predictability; automated validation steps reduced handoffs;
Prepared platform for subsequent API / Azure-based telemetry extension.

Jan 2022 - Dec 2022

1 year

Warsaw, Poland

IT Manager – File Transmission Platforms

HSBC Service Delivery (Poland)

Managed mission-critical payment and file-transfer platforms (Sterling Integrator / Connect:Direct); ensured continuous processing without interruptions.
Client-facing delivery and regulatory compliance; clear playbooks reduced escalations and improved stakeholder satisfaction.
DevOps/CI-CD & automation—added automated monitoring and deployment checks; introduced standardized jobs for integrity/latency; downtime –35%.
Team leadership—~20 FTE (platform & ops).

Jan 1998 - Dec 2021

24 years

Warsaw, Poland

IT Director / Product and Project Delivery – Core Banking & Regulatory Platforms

Citibank International PLC (Global FinTech Organization)

Directed the development and evolution of enterprise core banking & regulatory systems across the USA, EMEA, and LATAM in Agile delivery; API integration maintained availability and regional compliance.
Owned multi-year system roadmaps, balancing modernization with continuity to keep services running in regulated markets.
Led 100+ FTE, including senior delivery managers; implemented succession, improving delivery consistency and reducing attrition.
Established delivery governance, KPIs, and escalation; ensured predictability, audit readiness, and compliance.
Senior liaison among business, technology, and control functions; translated strategy into executable initiatives; accelerated compliance programs.
standardized core-banking platforms, modernized legacy systems with Agile/Scrum; improved processing speed and regulatory fit.
Managed €5M–€40M budgets, meeting schedule and financial targets.
Global Oracle Flexcube Core Banking Rollout—product & delivery leadership across 52 countries (USA, Canada, Brazil, EMEA); €40M+ program; 100+ FTE; governance & regulatory alignment, reduced incident rates post-go-live.
Regulatory & Compliance Platform Modernization—AML, KYC, sanctions screening aligned with GDPR / BSA-AML / FATCA; improved audits and risk posture.
SaaS & Observability Transformation—migrated legacy to SaaS; introduced monitoring, automation, resilience tooling; faster response, higher stability.

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Banking and Finance and Information Technology.

Banking and Finance

Information Technology

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Project Management, Product Development, Operations, and Strategy.

Information Technology

Project Management

Product Development

Operations

Strategy

Summary

Commercially minded engineering and product leader with nearly 20 years of experience building, scaling, and modernizing mission-critical fintech platforms. Proven track record of owning technical vision, architecture, and delivery in high-trust, regulated environments, while partnering closely with founders and senior leadership to translate growth ambitions into scalable technology.

Experienced in building and leading high-performing engineering organizations, transitioning from vendor-heavy to strong in-house teams, and establishing pragmatic engineering cultures that balance speed, quality, and long-term scalability. Deep background in platform architecture, integrations, automation, and cloud (Azure), with strong commercial awareness of how technology choices impact growth, cost, and risk.

Skills

Technology & Architecture Leadership

Ownership Of Technical Vision, Platform Architecture, And Future-state Design
Scalable, Secure, High-availability Platforms Operating At Significant Transaction Volume
Modern Integration Architectures (Apis, Event-driven Systems, Asynchronous Messaging)
Cloud-native And Saas Platforms (Azure-centric)

Engineering Leadership & Scale-up Growth

Building And Scaling In-house Engineering Teams (From Small Teams To 100+ Fte)
Hiring, Mentoring, And Retaining Senior Engineers And Engineering Managers
Establishing Clear Ownership, Standards, And Engineering Best Practices
Calm, Trusted Decision-maker For Founders And Executives

Product & Commercial Alignment

Strong Product-engineering Integration
Translating Commercial Goals Into Technical Execution
Balancing Short-term Delivery With Long-term Platform Strategy
P&l, Budget Ownership (€5m–€40m+) And Cost-to-serve Optimization

Delivery, Reliability & Risk

Operating In Fintech And Regulated Environments Where Reliability And Compliance Matter
Governance, Security, Audit Readiness, And Operational Resilience
Pragmatic Processes That Enable Speed Without Bureaucracy

Technology Stack & Domain

Languages / Platforms: Python-based Platforms (Architecture & Review), Modern Web Stacks, Api-first Systems
Frontend Ecosystems: React-based Architectures (Oversight & Review)
Cloud & Platform: Microsoft Azure, Saas Platforms, Cloud Integration Services
Integration & Automation: Azure Functions, Logic Apps, Service Bus, Apis, Event-driven Systems
Devops & Operations: Ci/cd, Observability, Automation, Incident Management
Ai Awareness: Ai-enabled Automation, Decision Support, Governance-aware Adoption
Fintech Domains: Payments, Core Banking, Treasury, Aml/kyc, Regulatory Platforms

Languages

Polish

Native

English

Advanced

German

Elementary

Education

Oct 1994 - Jun 1998

University of Warsaw

Bachelor of Science · Computer Science · Warsaw, Poland · 4.5

Certifications & licenses

AML / Anti-Fraud / Anti-Bribery Certifications

Citigroup

Elements of AI for Business

MinnaLearn

ITIL Foundation v4

CT Partners

Project Management

Ernst & Young

Statistics

Experience

Total positions 5

Experience in Banking and Finance 28 y

Avg length 6 y

Longest experience 23 y 11 m

Global Experience

Countries worked in 2 (Poland, Denmark)

Primary country Poland

Expertise

Recent roles Career break — Focus on private matters, IT Director / Product & Delivery Manager, IT Manager (Payments & SWIFT Delivery)

Main industries Banking and Finance, Information Technology

Main business areas Information Technology, Project Management, Product Development

Qualifications

Highest degree Bachelor

Certifications earned 4

Profile

Created

March 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Marcin based?

Marcin is based in Warsaw, Poland.

What languages does Marcin speak?

Marcin speaks the following languages: Polish (Native), English (Advanced), German (Elementary).

How many years of experience does Marcin have?

Marcin has at least 28 years of experience. During this time, Marcin has worked in at least 5 different roles and for 4 different companies. The average length of individual experience is 6 years and 8 months. Note that Marcin may not have shared all experience and actually has more experience.

What roles would Marcin be best suited for?

Based on recent experience, Marcin would be well-suited for roles such as: Career break — Focus on private matters, IT Director / Product & Delivery Manager, IT Manager (Payments & SWIFT Delivery).

What is Marcin's latest experience?

Marcin's most recent position is Career break — Focus on private matters.

What companies has Marcin worked for in recent years?

In recent years, Marcin has worked for Citihandlowy (FinTech Delivery Unit), SDC (Payments & SWIFT Delivery), HSBC Service Delivery (Poland), and Citibank International PLC (Global FinTech Organization).

Which industries is Marcin most experienced in?

Marcin is most experienced in industries like Banking and Finance and Information Technology.

Which business areas is Marcin most experienced in?

Marcin is most experienced in business areas like Information Technology, Project Management, and Product Development. Marcin also has some experience in Operations and Strategy.

Which industries has Marcin worked in recently?

Marcin has recently worked in industries like Banking and Finance and Information Technology.

Which business areas has Marcin worked in recently?

Marcin has recently worked in business areas like Information Technology, Project Management, and Product Development.

What is Marcin's education?

Marcin holds a Bachelor in Computer Science from University of Warsaw.

Does Marcin have any certificates?

Marcin has 4 certificates. Among them, these include: AML / Anti-Fraud / Anti-Bribery Certifications, Elements of AI for Business, and ITIL Foundation v4.

What is the availability of Marcin?

Marcin is immediately available for suitable projects.

What is the rate of Marcin?

Marcin's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.