Principal Software Engineer - AI & FX Trading Technology (Chicago)

Our client, Financial Services is seeking a Application Architect III to join their team. As a Application Architect III, you will be part of the [Department Name] supporting [Team Name(s)]. The ideal candidate will have strategic thinking, technical leadership, and a strong sense of accountability which will align successfully in the organization.

Job Title: Application Architect III

Location: Chicago, IL

Pay Range: $70-$73/hr

What's the Job?

• Define target architectures, reference patterns, and technical standards for AI-augmented applications across the Transactional FX platform.

• Design reusable agentic AI frameworks that support prompt and context management, tool integration, human review, testing, traceability, security, and observability.

• Lead the design, development, modernization, and integration of Java-based CashPro FX/Flow applications and C++ services within the TFX suites, with Python/Quartz-based systems as an advantage.

• Balance solution quality, performance, latency, resilience, cost, and control requirements when selecting technologies and architectural approaches.

• Drive delivery through architecture-to-execution: translate business needs into practical architecture, refined stories, acceptance criteria, estimates, and delivery plans; validate ideas via technical spikes and proofs of concept.

What's Needed?

• Bachelor's degree in Computer Science, Engineering, Mathematics, Physics, or a related discipline.

• 15+ years of experience developing server-side Java applications, including significant architecture or technical leadership responsibility.

• Demonstrated experience applying AI to software architecture and engineering, including AI-assisted development, agentic workflows, prompt and context design, evaluation, observability, and security.

• Expertise in core Java on Linux/UNIX, with strong knowledge of Java/J2EE, Spring Boot, Spring MVC, JVM tuning, garbage collection, multithreading, algorithms, and data structures.

• Proficiency in modern C++, including memory management, libraries, concurrency, and complex system design.

What's in it for me?

• Opportunity to shape AI-augmented architecture and engineering standards across a high-impact transactional platform.

• Chance to lead modernization and integration across Java and C++ services, improving reliability, performance, and maintainability.

• Work on solutions that operate across virtual-machine, cloud, and software-as-a-service environments while meeting availability, scalability, and security requirements.

• Direct influence on delivery quality through automated testing, CI/CD improvements, and disciplined production support practices.

• Collaborate with globally distributed teams and mentor engineers through complex design challenges and technical direction.

Upon completion of waiting period consultants are eligible for:

• Medical and Prescription Drug Plans

• Dental Plan

• Vision Plan

• Health Savings Account

• Health Flexible Spending Account

• Dependent Care Flexible Spending Account

• Supplemental Life Insurance

• Short Term and Long Term Disability Insurance

• Business Travel Insurance

• 401(k), Plus Match

• Weekly Pay

GLIDER- ID Verification Expectation for Start: 2-4 weeks after offer. Due to business needs, this role requires a specific start date and will require resources that can meet the outlined start date.

If this is a role that interests you and you'd like to learn more, click apply now and a recruiter will be in touch with you to discuss this great opportunity. We look forward to speaking with you!

About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells.

ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis, Talent Solutions, and Jefferson Wells – creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.

ManpowerGroup is committed to providing equal employment opportunities in a professional, high quality work environment. It is the policy of ManpowerGroup and all of its subsidiaries to recruit, train, promote, transfer, pay and take all employment actions without regard to an employee's race, color, national origin, ancestry, sex, sexual orientation, gender identity, genetic information, religion, age, disability, protected veteran status, or any other basis protected by applicable law.