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Flexible Principal Java Software Engineer Jobs in St Louis, MO

Work Life Limbo

Principal Software Engineer

Chesterfield, MO · On-site

$133K - $179K/yr

Seeking a Principal Software Engineer to build and modernize digital commerce and enterprise ... NET (or Java ecosystem) and modern JavaScript frameworks (React, Angular, etc.). * Strong ...

VRProIT

Java - SDET

Saint Louis, MO

Title: Java - SDET Location: St Louis, MO Duration: 3 yrs SDET ROLE * Let me be very clear here - these are NOT traditional QA roles. I.e. Selenium-only or QTP/UFT-only guys who are QA Engineers.

VRProIT

Java - SDET

Saint Louis, MO · On-site +1

Java - SDET Location: St Louis, MO Duration: 3 yrs SDET ROLE * Let me be very clear here - these are NOT traditional QA roles. I.e. Selenium-only or QTP/UFT-only guys who are QA Engineers. Instead, I ...

w3r Consulting

Senior Software Engineer (Java)

O Fallon, MO · On-site

$116K - $153K/yr

Senior Software Engineer Location: O Fallon, MO (Hybrid 3 days in office) Duration: 6 months Top 3 Required Skills: 1. Java Full Stack Engineering * Java 8+, J2EE, Spring, Hibernate * Angular/React ...

Zentek Infosoft Inc.

Java Engineer

O Fallon, MO · On-site

$48.50 - $66.50/hr

Java Engineer * An ideal candidate for this role would have extensive experience in Java ... Modern Software Design Principles: Deep understanding of design principles like SOLID, DRY (Don't ...

Ports North

Senior Software Engineer -Java

O Fallon, MO · On-site

$82.66 - $110.21/hr

Drive performance engineering of the enterprise software architecture and provide guidance, advice ... Proficiency with J2EE, Java 8 or higher, JSP, Servlets, Spring 5, Hibernate, and databases such as ...

New

Ports North

Software Engineer Java

O Fallon, MO · On-site

$82.66 - $103.32/hr

Bachelor's Degree * 4+ years of work experience Title Sr Java Developer Location O'Fallon, MO Client Industry Finance Compensation $60-75/hr About Korn Ferry Korn Ferry unleashes potential in people ...

New

Artius Solutions

Lead Java Engineer

Saint Louis, MO · On-site

$140K - $150K/yr

Experience delivering high-quality software in regulated or large-scale enterprise domains ... Flexible PTO policy * Opportunities for technical and career growth * Engaging, collaborative, and ...

Moofwd

Software Engineer

O Fallon, MO · On-site

$110 - $140/hr

Plan, design, and develop modern microservice-based solutions in Java and Spring Boot for a cloud-based environment. Moofwd, Inc. has a Software Engineer position in O'Fallon, MO. Key ...

New

Mastercard, Inc.

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

The ideal candidate brings strong software engineering fundamentals, hands-on Java development ... flexible spending account and health savings account; paid leaves (including 16 weeks of new parent ...

MasterCard

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

The ideal candidate brings strong software engineering fundamentals, hands-on Java development ... flexible spending account and health savings account; paid leaves (including 16 weeks of new parent ...

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Showing results 1-20

All JobsPrincipal Java Software Engineer JobsFlexible Principal Java Software Engineer JobsFlexible Principal Java Software Engineer Jobs in St. Louis, MO

Flexible Principal Java Software Engineer information

See St Louis, MO salary details

$80.7K

$145.5K

$195.9K

How much do flexible principal java software engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for flexible principal java software engineer in St. Louis, MO is $145,523.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,900.00 and $160,400.00 per year, depending on experience, location, and employer.

What is a flexible principal Java software engineer?

A Flexible Principal Java Software Engineer is a highly experienced software engineer specializing in Java programming who also demonstrates adaptability in working across various projects, teams, and technologies. 'Principal' denotes a leadership role, often involving technical guidance, architecture decisions, and mentoring other engineers. The 'flexible' aspect means this professional can adjust to changing requirements, work environments, or technical stacks as needed. They are typically responsible for designing robust solutions, overseeing complex projects, and ensuring high-quality software delivery.

What are the key skills and qualifications needed to thrive as a flexible principal Java software engineer?

To thrive as a Flexible Principal Java Software Engineer, you need deep expertise in Java development, system architecture, and design patterns, typically supported by a computer science degree and extensive experience. Familiarity with frameworks like Spring, cloud platforms (AWS, Azure), CI/CD tools, and relevant certifications (like Oracle Certified Professional) are commonly required. Strong leadership, problem-solving, and communication skills help drive complex projects and mentor teams effectively. These skills ensure the delivery of robust, scalable solutions and foster technical excellence within the organization.

How does a flexible principal Java software engineer typically collaborate with cross-functional teams, and what impact does this have on project outcomes?

As a Flexible Principal Java Software Engineer, you will frequently collaborate with cross-functional teams, including product managers, UX designers, QA engineers, and DevOps specialists. This collaboration ensures that technical decisions align with business goals and user needs, leading to more robust and scalable solutions. You'll often facilitate technical discussions, mentor junior developers, and help bridge communication gaps between technical and non-technical stakeholders. Effective collaboration not only improves project outcomes but also fosters a culture of continuous learning and innovation within the team.

What is the difference between Flexible Principal Java Software Engineer vs Principal Java Software Engineer?

AspectFlexible Principal Java Software EngineerPrincipal Java Software Engineer
Required CredentialsBachelor's or Master's in Computer Science, Java certifications often preferredBachelor's or Master's in Computer Science, Java certifications often preferred
Work EnvironmentFlexible, often remote or hybrid, project-basedTypically on-site or hybrid, leadership-focused
Employer & Industry UsageTech companies, startups, consulting firmsLarge enterprises, tech firms, financial institutions
Common Search & ComparisonYesYes

The main difference is that the Flexible Principal Java Software Engineer often works in more adaptable, remote environments and may handle diverse projects, while the Principal Java Software Engineer typically holds a more traditional, leadership-focused role within larger organizations. Both roles require strong Java expertise and similar credentials, but their work settings and responsibilities can differ.

What cities near St. Louis, MO are hiring for Flexible Principal Java Software Engineer jobs?

Cities near St. Louis, MO with the most Flexible Principal Java Software Engineer job openings:

Flexible Principal Java Software Engineer jobs near you

Senior Java Software Engineer.

SV Tech Systems Inc

Clayton, MO

$116K - $153K/yr

Contractor

Re-posted 17 days ago

Job description

Company Description

SV Tech Systems prides itself in being the leading provider of recruitment and staffing services for a wide range of industries. We provide staffing services to firms throughout the United States and Canada. We attract the best pool of talent with the aim of nurturing sound work ethics and solid values amongst a highly motivated and diverse workforce.


Job Description

Job Title: Senior Java Software Engineer.
Location: Weldon or Clayton, MO
Duration: Long term Contract
Face to Face interview.
Responsibilities
As a Senior Software Engineer on the Vehicle Management Team, you will be a part of a project team which is responsible for all phases of an agile-like software development lifecycle (SDLC). You will be responsible for developing prototypes and perform application programming. You will interpret business requirements to create and modify custom applications. You will be responsible for analyzing software requirements to determine feasibility within time and cost estimates. You may also be required to perform unit and integration testing.

Technical Environment
    Spring
    Struts
    Hibernate
    Web Services
    Oracle
    Web & Mobile application development
    Cloud based application development

Qualifications

Qualifications Required
    Applicants for employment in the U.S. must possess work authorization which does not require sponsorship by the employer for a visa.
    Must have 5 + years of Java & J2EE
    Must have 2+ years of Oracle database environment
    Must have 2+ years' experience with Spring, Hibernate, and Struts
    Must have 1+ years' experience with Tomcat & Weblogic application servers, Web Services
    Must have experience in the configuration and setup of J2EE application servers
    Must have knowledge of Unix operating systems
    Must have proficient knowledge of Microsoft Office desktop applications software
    Must have good communication skills to effectively communicate with various IT teams
    Candidates must meet or exceed all minimum criteria above.
Preferred
    Experience to AOP and SOA is preferred
    Bachelor's degree in Computer Science, Computer Information Systems, Management Information Systems, or related field preferred.

Additional Information


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