Principal Software Engineer Jobs in Missouri
Principal Software Engineer jobs in Missouri are open across St. Louis, North Kansas City, and Kansas City and other Missouri metros, with employers like Ingredion Incorporated, Clayco, and Geosyntec Consultants hiring at every experience level. Find a role that fits below and apply directly.
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Company
Federal Reserve Bank of Boston
Federal Reserve Financial Services (FRFS) delivers a suite of payments services to financial institutions via FedLine® Solutions, FedNowSM, Fedwire®, National Settlement Service (NSS), FedCash®, FedACH® (Automated Clearing House), and Check Services. We are currently leading a strategic effort to transform FRFS to a national, enterprise-focused organization. Through our evolved structure, we will meet the needs of the marketplace for new products and services more quickly, seek to provide a more robust and unified customer experience across our financial service offerings, and create new career growth opportunities for FRFS staff.
The Federal Reserve has developed a new interbank 24x7x365 real-time gross settlement (RTGS) service with integrated clearing functionality, called the FedNow Service. This service enables financial institutions to provide their customers with the ability to send and receive payments any time, any day, and have full access to those funds within seconds. This position is a unique opportunity to be part of this mission-critical Federal Reserve initiative that is transforming the payments landscape in the United States.
ROLE AND RESPONSIBILITIES
- Serves as a Principal Software Engineer: to design, develop and implement new complex solutions in accordance with FedNow and Fed Standards
- Develops software solutions in Java, Spring, Terraform, NoSQL and RDS in the Cloud
- Develop end to end Infrastructure-as-Code solutions in Cloud
- Provides input into strategic and tactical planning of software solutions and software development lifecycle changes
- In addition to being able to engineer across numerous areas of technology, you’ll serve as subject matter expert in one or more areas
- Trains and consults cross functionally within the organization on troubleshooting/resolving highly complex and/or highly time critical problems
- Collaborates with analysts as part of an integrated Agile team to define user requirements and conduct design review for the development of complex and innovative cloud applications using modern internet-scale technologies and Serverless architecture in Cloud
- Demonstrates skill dexterity; seeking to continuously adapt and employ new technical skills alongside proven staples
- Ensures that the quality of software developed, maintained and enhanced in-house and installed into production is sufficient to prevent the occurrence of catastrophic defects that cause the customer significant problems, missed deadlines, or interruption to the production environment
- Ensure compliance with Fed policies, procedures and standards
- Provides primary or backup production support for applications and components, including but not limited to timely resolution to production problems and processing issues
BASIC QUALIFICATIONS
- 8+ years of Java Development
- 4+ years working with AWS cloud-based platforms in an enterprise environment
- Demonstrated experience engineering software with cloud-first architectures
- 10+ years software engineering experience in a team-based environment
- Experience with building and deploying solutions in Cloud
- Experience with Serverless architecture for building software solutions in Cloud
- Experience with CI/CD build tools, and DevOps processes
- Experience developing high performance, high volume, highly available (24/7/365) environments
- Experience with Agile software engineering (Scrum, Kanban, Lean etc)
- Bachelor's degree in Computer Science, Information Systems
PREFERRED QUALIFICATIONS
- Deep expertise in Java and proficient knowledge of programming languages (JavaScript, XML, JSON, HTML, CSS etc. Python a bonus)
- Understanding of object-oriented design principles (ex: SOLID) to create maintainable, extensible code and knowledge of design patterns, inheritance hierarchies, polymorphism, composition over inheritance, effective interface design, encapsulation and immutability as well as experience with modern Java features like generics, streams and lambdas.
- Comprehensive knowledge of Spring Boot's core fundamentals, including auto-configuration, starter dependencies, and its opinionated approach to application setup that eliminates much of the boilerplate configuration required in traditional Spring applications. Understanding of dependency injection, the IoC container, bean lifecycle management as well as proficiency in using annotations like @Component, @Service, @Repository, and @Autowired.
- Expertise in building RESTful APIs with Spring Boot, including knowledge of @RestController, @RequestMapping, request/response handling, content negotiation, and exception handling.
- Understand data access patterns using Spring Data JPA, including repository interfaces, custom queries, and declarative / programmatic transaction management.
- Experience using JUnit 5+ to write integration and unit tests and use its lifecycle interfaces and annotations to handle related setup and teardown tasks.
- Experience with a build automation tool / project management tool like Apache Maven or Gradle to handle tasks such as compilation, dependency management, testing, packaging and deployment.
- Proficient knowledge of operating systems (Linux, Unix, Windows)
- Proficient knowledge of database development (SQL, Oracle, DB2)
- Ideally, you’ll have experience with AWS services, and integrating them into an application
- Ideally you’ll have experience with leading edge Cloud technologies, such as Kafka, in-memory and NoSQL databases, messaging platforms, memcache etc.
- Demonstrates independent thinking and decision-making abilities
- Demonstrates excellent written and oral communication abilities
- Proficient knowledge of cloud security for application development and delivery
- Advanced knowledge of object-oriented programming
- Ideally, Infrastructure as Code (IAC); Terraform
NICE TO HAVE
- Experience with API Development and consumption and microservices architecture
- Proficient in unit testing with JUnit, Mockito and AssertJ as well as integration testing with @SpringBootTest.
- Understanding of how to use JUnit's extension and lifecycle annotations and interfaces to create tools that enhance its default functionality and monitor test plan execution results.
- Knowledge of Apache Maven's build lifecycles phases, experience with custom plugin development and how to map a custom plugin's goals to Maven lifecycle phases.
- Familiarity with database migration tools like Flyway or Liquibase.
- Experience using Spring Security to handle security concerns in Spring Boot apps.
- Understanding Spring Boot’s various application properties configurations (profiles, YAML vs properties files) and externalized configuration management.
- Knowledge of monitoring and observability through Spring Boot Actuator, including custom health checks and metrics.
- Proficiency working with XML Schema Definition (XSD) schemas and XSLT (Extensible Stylesheet Language Transformations) templates, including XML schema design principles, validation techniques, Java-XML binding via JAXB, namespace management, XSLT processing models, template creation, XPath expressions, and transformation patterns for converting XML to various output formats.
- Experience as an Agile product owner with a strong technical background, capable of creating detailed feature specifications and user stories that junior to mid-level developers can implement with minimal clarification as well as the ability to set up and facilitate collaborative planning sessions, coordinate story mapping across iterations and manage daily stand-up meetings.
- Proficient with unit testing, integration testing between system components, performance testing to identify bottlenecks, soak testing for long-term stability verification and API testing.
- Experience with agile development methodology
- Knowledge of technology project and secure coding standards
- Strong interpersonal, teamwork and negotiation skills
- Strong customer service skills
- Strong problem solving and critical thinking skills
- Familiarity with usability techniques and best practices
- Infrastructure as Code (IAC); Terraform
SALARY
The salary range for this position is $173,400.00 - $216,700.00 - $260,000.00. The Boston Fed believes in salary transparency. The final salary and offer will be determined by the applicant’s background, skills, internal equity, and alignment with market data. Whether you’re developing into the job or are a more seasoned candidate, we aim to pay competitively. The position and job description posted is for a Principal Software Engineer however, candidates will be placed in an appropriate level within the Software Engineer job family based on the extent of their experience. If you reside outside of the 1st District, you may be hired by your local Federal Reserve District and compensation will follow hiring District's range and policy.
The Federal Reserve Bank of Boston is committed to provide equal employment opportunities to all persons without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, age, genetic information, disability, or military service.
All employees assigned to this position will be subject to FBI fingerprint/ criminal background and Patriot Act/ Office of Foreign Assets Control (OFAC) watch list checks at least once every five years.
For this job, any offer of employment is contingent upon successfully passing a two-phase security screening. The first phase consists of the satisfactory completion of a physical examination (including a drug screening), reference checks, and a security investigation consisting of credit and criminal history checks.
The second phase, which might not be complete until after you begin working at the Reserve Bank, is an additional risk-based security screening determined by the risk rating of the position. Depending upon the sensitivity of the position, this phase may include, and is not limited to, work and residency eligibility verification, and personal interviews with the candidate, references, and prior employers.
All applicants must have resided in the United States for at least three (3) years.
Full Time / Part Time
Full time
Regular / Temporary
Regular
Job Exempt (Yes / No)
Yes
Job Category
Information Technology Family Group
Work Shift
First (United States of America)
The Federal Reserve Banks are committed to equal employment opportunity for employees and job applicants in compliance with applicable law and to an environment where employees are valued for their differences.
See All 13 Principal Software Engineer Jobs in Missouri
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Find JobsPrincipal Software Engineer Jobs by City in Missouri
Where Missouri roles are concentrated, by current openings.
Principal Software Engineer Job Market in Missouri
A snapshot from current Missouri openings, updated as new roles post.
Who's Hiring
- Ingredion Incorporated3

- Clayco2

- Geosyntec Consultants2

- Asplundh Engineering Services1

- Bayer1

Top Industries Hiring
- Food & Beverage3
- Construction & Real Estate2
- Consulting & Professional Services2
- Banking & Financial Services1
- Biotechnology & Pharmaceuticals1
What Missouri Employers Look For
The qualifications that appear most often in principal software engineer jobs across Missouri.
- 8 or more years of software engineering experience with demonstrated technical leadership
- Deep expertise in distributed systems design, scalability, and reliability engineering
- Proficiency in one or more of Java, Python, Go, or C++ at production scale
- Experience driving cross-team technical strategy and defining engineering standards
- Strong communication skills for aligning engineering work with business objectives
- Bachelor's or master's degree in computer science, software engineering, or a related field
Principal Software Engineer Jobs in Missouri: Frequently Asked Questions
How many principal software engineer jobs are there in Missouri?
There are 13+ principal software engineer openings in Missouri on Migrate Mate as of June 2026, with the most roles in St. Louis, North Kansas City, and Kansas City. New positions post regularly as employers across Missouri hire.
How much do principal software engineers make in Missouri?
Principal software engineers in Missouri earn a median of about $126,120 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $72,570 for the lowest 10% to over $169,340 for the top 10%. Pay rises with experience, specialty, and employer.
Which Missouri cities have the most principal software engineer jobs?
St. Louis, North Kansas City, and Kansas City have the most principal software engineer openings in Missouri right now, with additional roles spread across smaller metros statewide.
Which companies hire principal software engineers in Missouri?
Employers hiring principal software engineers in Missouri include Ingredion Incorporated, Clayco, and Geosyntec Consultants, based on current listings on Migrate Mate as of June 2026.
Are there remote principal software engineer jobs in Missouri?
Yes. About 31% of principal software engineer openings tied to Missouri are remote or hybrid as of June 2026. The rest are on-site roles based in Missouri metros.
How do I apply for principal software engineer jobs in Missouri?
You can apply to principal software engineer jobs in Missouri directly on Migrate Mate. Search the listings above, find roles that match your experience and preferred Missouri location, then apply to each one that fits.
See All 13 Principal Software Engineer Jobs in Missouri
Find roles in Missouri that match your experience and apply in just a few clicks.
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