Technical Stream Lead - Core Banking Transformation - Financial Services

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Technical Stream Lead - Core Banking Transformation - Financial Services

Location: Diegem

Other locations: Anywhere in Country

Salary: Competitive

Date: 10 Nov 2026

Job description

Requisition ID: 1602739

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

At EY, we are redefining the financial services landscape through innovative technology solutions. We’re on a quest for a Technical Stream Lead with a wealth of cloud-native software development experience and a bold vision for core banking transformation. This role is sculpted for an individual eager to step into a consultant role, marked by drive, impact, and leadership.

As a Technical Stream Lead, you'll chart the course of our core banking transformation initiatives. Your expertise in cloud-native development is vital as we transition traditional banking systems to agile, resilient, and scalable cloud architectures. This opportunity calls for someone who thrives in dynamic environments and is ready to embody the role of a consultant with verve.

Your key responsibilities

Steer our core banking transformation projects, ensuring technological and strategic objectives are met with innovation and agility.

Collaboratively design and implement cloud-native banking solutions, capitalizing on your development experience to deliver high quality and performance.

Take ownership of your technical stream, from conception through to delivery, including architecture, design, development, testing, and deployment.

Engage actively with stakeholders, ensuring clear communication and understanding of transformation goals, progress, challenges, and results.

Lead, motivate, and manage cross-functional teams to excel in their delivery with mentorship and guidance, emphasizing collaboration and team cohesion.

Assure alignment with industry best practices for security and compliance, particularly those pertaining to financial services.

Evaluate the latest cloud technologies and tools, advocating for adoption where they will bring strategic advantage or innovation.

Contribute thought leadership within the transformation space, inspiring others with your vision and understanding of the impacts of cloud technology within banking.

Skills and attributes for success

Bachelor's or Master's degree in Computer Science, IT, or software engineering.

A minimum of 5 years of experience in cloud-native software development, with a demonstrated portfolio of successful projects.

Proficiency in modern cloud platforms and architectures (AWS, Azure, GCP) and understanding of IaaS, PaaS, SaaS offerings.

Skilled in designing and developing microservices, API-driven interfaces, and scalable systems.

Familiar with DevOps practices and CI/CD tools that support streamlined software delivery.

Proven leadership skills with the ability to drive teams and manage complex technical projects.

Excellent analytical, problem-solving, and negotiation skills, paired with impeccable communication.

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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