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Our client in the banking industry is seeking a Senior Software Engineer to join their team. As a Senior Software Engineer, you will be part of the engineering organization supporting the modernization and maintenance of a mission-critical enterprise application. The ideal candidate will have a hands-on engineering mindset, a strong focus on reliability and production stability, and the drive to reduce technical debt while delivering measurable improvements.

Job Title: Senior Software Engineer

Location: Saint Louis, Missouri

Pay Range: $75-$95/hour

US Citizen Required

What's the Job?

+ Design and implement microservices using Java/Spring Boot and TypeScript, supporting both event-driven and RESTful integration patterns.

+ Build and modernize solutions in AWS GovCloud (FedRAMP High), leveraging services such as ECS/EKS, Lambda, EventBridge, and RDS.

+ Support microservices and micro-frontend architecture, including Angular and module federation concepts.

+ Address technical debt by upgrading outdated dependencies and frameworks while keeping systems stable and secure.

+ Ensure comprehensive test automation using UI testing and behavior-driven development (BDD) approaches.

What's Needed?

+ 5+ years of software engineering experience with strong hands-on development in Java and the Spring Boot ecosystem.

+ Advanced proficiency in AWS Cloud, including ECS/EKS, Lambda, RDS/Aurora, and infrastructure-as-code tools such as CDK or CloudFormation.

+ Experience with Angular; familiarity with micro-frontend architecture (module federation) is a plus.

+ Demonstrated background in microservices architecture, including modernization of legacy applications using patterns such as the strangler pattern.

+ Strong technical writing and communication skills, with the ability to document designs and clearly explain complex ideas.

What's in it for me?

+ Work on a mission-critical enterprise application where your engineering decisions directly impact reliability and stability.

+ Contribute to modernization efforts in AWS GovCloud (FedRAMP High) using modern cloud-native patterns.

+ Collaborate with enterprise architects and scrum teams to turn architectural vision into scalable, practical solutions.

+ Improve quality through test automation, BDD practices, and consistent engineering standards across teams.

+ Use problem-solving skills to troubleshoot, optimize performance, and deliver robust features for production.

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

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.

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