Senior Software Engineer

Experis-US; St. Louis (MO); On-site; USD 103,000 - 131,000; Full time

Benefits offered by this job

Medical Plan

Dental Plan

Vision Plan

Health Savings Account

Health Flexible Spending Account

Dependent Care FSA

Life Insurance

Disability Insurance

Travel Insurance

401(k) Plan

Weekly Pay

Job summary

Experis Technology Group in Saint Louis is seeking a Senior Software Engineer to design and implement microservices using Java/Spring Boot and TypeScript. You will build and modernize solutions in AWS GovCloud (FedRAMP High) and contribute to a microservices and micro-frontend architecture.

You will work with enterprise architects and scrum teams to improve reliability, automate tests with UI testing and BDD, and address technical debt while keeping systems secure.

Qualifications

• 5+ years of software engineering experience with Java and the Spring Boot ecosystem.
• Advanced AWS Cloud skills: ECS/EKS, Lambda, RDS/Aurora, and IaC tools (CDK or CloudFormation).
• Experience with Angular; familiarity with micro-frontend architecture (module federation).
• Background in microservices and modernization of legacy apps; strong documentation skills.

Responsibilities

• Design and implement microservices using Java/Spring Boot and TypeScript.
• Build and modernize solutions in AWS GovCloud (FedRAMP High).
• Support microservices and micro-frontend architecture; address technical debt and ensure test automation.

Skills

Java

Spring Boot

AWS Cloud

Angular

Microservices

BDD

TypeScript

Tools

ECS/EKS

Lambda

RDS/Aurora

CloudFormation

CDK

Module Federation

Job description

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 Address technical debt by upgrading outdated dependencies and frameworks while keeping systems stable and secure.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

Benefits

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

Company Culture

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.