Functional Stream Lead - Core Banking Transformation - Financial Services

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Functional Stream Lead - Core Banking Transformation - Financial Services

Location: Diegem

Other locations: Anywhere in Country

Salary: Competitive

Date: 10 Nov 2026

Job description

Requisition ID: 1602736

At EY, we’re all in to shape your future with confidence.

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.

Join EY and help to build a better working world.

The opportunity

EY is at the forefront of consulting excellence, pioneering the path of digital innovation in the financial services industry. We specialize in steering core banking systems toward the future with smart, sustainable, and strategic solutions. We are inviting a Functional Stream Lead with a profound background in business analysis, a mastery of BPMN and APIs, and the ambition to push boundaries as a transformative consultant.

The Functional Stream Lead is a beacon of change, guiding core banking transformations with analytical precision and business acumen. With 5 years of business analysis experience, you will dissect complex workflows, streamline processes, and employ your BPMN and API knowledge to enrich banking services. Your consultancy mindset, fired by drive and leadership, will inspire breakthroughs and leave a lasting impact on our client's evolution.

Your key responsibilities

Lead functional analysis and process design for core banking transformation projects.

Drive process optimizations and technology implementations using your understanding of BPMN to document and communicate business flows.

Facilitate collaboration between IT, business stakeholders, and third-party vendors to ensure API integrations meet functional requirements and business goals.

Utilize your business analysis experience to gather and define requirements, converting business needs into actionable solutions.

Oversee and ensure the quality of functional deliverables, from requirements specifications to user acceptance testing.

Provide guidance and leadership to business analysts and other project team members, fostering a culture of excellence and continuous improvement.

Act as a consultant to clients, delivering insights and strategies that propel their core banking operations into new frontiers of efficiency and service.

Maintain a comprehensive understanding of the financial services industry, keeping up to date with emerging trends, technologies, and regulatory changes.

Skills and attributes for success

Bachelor’s degree in Business, Finance, IT, or related field; advanced degree is a plus.

Minimum of 5 years’ experience as a Business Analyst or similar role, specifically within the banking or financial services industry.

Proficiency in Business Process Model and Notation (BPMN) and experience with API-centered solutions in a banking context.

A strong track record of leading functional workstreams and delivering results in a project-oriented environment.

Acumen for understanding the intricate dynamics of banking operations, technology, and regulatory environments.

Exceptional leadership qualities with demonstrated success in driving projects and nurturing teams.

Excellent communication, stakeholder management, and facilitation skills.

What we offer you

We offer a competitive remuneration package where you’ll be rewarded for your individual and team performance. Our comprehensive Total Rewards package includes support for flexible working and career development, and with FlexEY you can select benefits that suit your needs, covering holidays, health and well-being, insurance, savings and a wide range of discounts, offers and promotions.

Also,

You will be part of a leading global professional services firm.

You will be part of the EY family where everyone is willing to offer support and senior management is very accessible.

You will join a dynamic and growing team with a great mix of young and experienced professionals focusing on financial services.

You will get extensive trainings on technical matters, as well as soft skills and project management, and you will have access to new technologies and innovative equipment.

We are proud of our flexible working arrangements, and we will support you to build a successful career and deliver excellent client service, without sacrificing your personal priorities.

While our client-facing profession might require part-time working at client site and business traveling at times, we are committed to helping you achieve a lifestyle balance.

Are you ready to shape your future with confidence? Apply today.

To help create an equitable and inclusive experience during the recruitment process, please inform us as soon as possible about any disability-related adjustments or accommodations you may need.

EY | Building a better working world

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.

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