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Principal Application Architect

Hitachidigitalservices

Riverwoods, Illinois (Chicago, Illinois) Hybrid permanent

Posted: March 5, 2026

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Quick Summary

We are seeking a skilled Principal Application Architect to lead the development of our digital solutions, with a strong focus on innovation, technology, and teamwork. Key responsibilities include designing and implementing cutting-edge applications, collaborating with cross-functional teams, and ensuring seamless integration with existing systems. The ideal candidate will have a strong background in software development and a passion for delivering high-quality results.

Job Description

Our Company

We’re Hitachi Digital Services, a global digital solutions and transformation business with a bold vision of our world’s potential. We’re people-centric and here to power good. Every day, we future-proof urban spaces, conserve natural resources, protect rainforests, and save lives. This is a world where innovation, technology, and deep expertise come together to take our company and customers from what’s now to what’s next. We make it happen through the power of acceleration.

Imagine the sheer breadth of talent it takes to bring a better tomorrow closer to today. We don’t expect you to ‘fit’ every requirement – your life experience, character, perspective, and passion for achieving great things in the world are equally as important to us.

The team

Responsible for leading the charge to drive technology strategy and technical capabilities for an application ecosystem. Leverage deep understanding of business processes and technical building blocks to design application architecture that balances business and customer needs with technical non-functional requirements for resiliency, security and efficiency. Partners with application engineers to ensure the application ecosystem is engineered according to architecture vision and continuously evolve the architecture and application to meet changing customer and business needs. Actively manages and escalates risk and customer-impacting issues within the day-to-day role to management.

The role

Responsibilities
• Partners with Sr. Product Owner(s) to develop product vision and strategy and align product vision with technology strategy
• Independently oversees the design process for an application
• Coaches' other architects to develop product quality strategy including nonfunctional requirements, such as reliability, availability, and security
• Demonstrates a deep understanding of business processes and technical building blocks
• Trains others in solution design patterns
• Coaches' internal technology communities and are actively engaged in understanding and researching modern technologies and patterns
• Create and maintain big-picture design view of product portfolio
• Design and document solutions that meet the business needs.
• Conduct feasibility analysis, product comparison, capability mapping, high level estimations
• Apply Architecture development processes as required by the organization
• Create requirements and architectural specifications, functionality, and integration with new/existing systems.

What you’ll bring

Minimum Qualifications
At a minimum, here’s what we need from you:
• Bachelors – Computer Science or related
• 10+ Years – Software Development, Software Engineering, Technical Architecture or related

Preferred Qualifications
• Experience in architecture and design for card transaction processing applications.
• In depth knowledge on ISO8583 message formats.
• Experience with Payment networks, Banking industry and Debit card processing.
• Experience building high performing, scalable systems that adapt and grow to customer needs.
• Understanding of technology evaluation process.
• Experience with modern development practices such as CI/CD, SOA and microservices.
• Familiarity and experience using Kubernetes, AWS and/or other cloud computing services.
• Knowledge of API, Application integration patterns
• Good communication, and presentation skills

As required by the equal pay and transparency acts, the expected base salary for this position is: $130k-$135k base+ bonus.

The expected pay is determined based on a variety of factors including, but not limited to, depth of experience in the practice area. Employees are eligible to participate in Hitachi Digital Services bonus/variable/commission pay programs, where applicable, and are subject to the program’s conditions and restrictions.

About us

We’re a global, team of innovators. Together, we harness engineering excellence and passion to co-create meaningful solutions to complex challenges. We turn organizations into data-driven leaders that can make a positive impact on their industries and society. If you believe that innovation can bring a better tomorrow closer to today, this is the place for you.

#LI-MS2

Fostering innovation through diverse perspectives

Hitachi is a global company operating across a wide range of industries and regions. One of the things that sets Hitachi apart is the diversity of our business and people, which drives our innovation and growth.

We are committed to building an inclusive culture based on mutual respect and merit-based systems. We believe that when people feel valued, heard, and safe to express themselves, they do their best work.

How we look after you

We help take care of your today and tomorrow with industry-leading benefits, support, and services that look after your holistic health and wellbeing. We’re also champions of life balance and offer flexible arrangements that work for you (role and location dependent). We’re always looking for new ways of working that bring out our best, which leads to unexpected ideas. So here, you’ll experience a sense of belonging, and discover autonomy, freedom, and ownership as you work alongside talented people you enjoy sharing knowledge with.

We’re proud to say we’re an equal opportunity employer and welcome all applicants for employment without attention to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran, age, disability status or any other protected characteristic. Should you need reasonable accommodations during the recruitment process, please let us know so that we can do our best to set you up for success.

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