Senior Software Engineer, Full Stack

MO; Wisconsin; Remote; USD 140,000 - 158,000; Full time

Benefits offered by this job

High-trust environment

Competitive compensation

Career growth

Health coverage

401(k) match

Unlimited PTO

Disability & life insurance

Parental leave

Job summary

MO is seeking a Senior Software Engineer to support the Department of Veterans Affairs, modernizing eligibility and enrollment systems used by millions of veterans and families. You will design, develop, and maintain enterprise Java applications using Java 17+, Spring Boot, and REST/SOAP services, across a remote, mission-driven team.

Candidates should have 5–8 years of professional experience, a CS-related degree, and strong problem-solving and collaboration skills.

Qualifications

• Bachelor’s degree or equivalent experience in a related field.
• 5–8 years of software development experience in a professional environment.
• Strong hands-on experience with Java development.
• Hands-on experience with Spring Framework and/or Spring Boot.
• Experience developing REST APIs and web services.
• Experience working with Oracle or other relational databases.
• Experience using Git-based source control.
• Experience in Agile/Scrum environments.

Responsibilities

• Design, develop, test, and maintain enterprise Java applications
• Analyze and resolve complex software defects and production issues
• Support enhancements and sustainment activities for applications utilizing Java, Spring Framework, Struts, JSP, EJB, JMS, WebLogic, Hibernate, Oracle
• Collaborate with architects and senior developers on modernization initiatives
• Develop and optimize SQL queries and database integrations
• Participate in code reviews and mentor junior developers
• Contribute to automated testing, CI/CD processes, and deployments

Skills

Java development

Spring Framework

REST APIs

SQL / Oracle

Git workflows

Agile/Scrum

Problem solving

Communication

Education

Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or related field

Tools

Spring Boot

Job description

Intro

At MO, we challenge the status quo and help government leaders shape the future. We engineer scalable, human-centered solutions that help agencies deliver their mission faster and better. Our teams blend product, design, AI, data, and modern software practices to modernize legacy systems, build new digital platforms, and deliver mission-ready products that drive sustainable change.

We live by our values—Integrity, Excellence, Courage and Curiosity. They guide how we build, collaborate, and lead. From cloud infrastructure and data engineering to AI integration and service design, we connect technology and experience to deliver outcomes that scale.

We’re building a company where technologists, designers, and builders can serve the mission, grow their craft, and help shape the future of digital government. At MO, your work doesn’t just make a difference—it advances the mission and helps build a more capable, trusted, and human government.

Overview

We are looking for a Senior Software Engineer to support our client, the Department of Veterans Affairs. In this role, you will help modernize VA’s eligibility and enrollment systems, supporting millions of Veterans, their families, and caregivers. If you have experience in working with VA, Next.js, Java 17+, and Spring Boot, we’d love to hear from you.

What You'll Do

• Design, develop, test, and maintain enterprise Java applications




• Analyze and resolve complex software defects and production issues




• Support enhancements and sustainment activities for applications utilizing Java, Spring Framework, Struts, JSP, EJB, JMS, WebLogic, Hibernate, Oracle, and related technologies




• Collaborate with architects and senior developers on modernization initiatives




• Develop and optimize SQL queries and database integrations




• Participate in code reviews and mentor junior developers




• Contribute to automated testing, CI/CD processes, and application deployments

This position requires demonstrated, hands-on experience with BOTH of the following:

• Designing and implementing REST and SOAP-based services and integrations.




• Developing and maintaining backend services using Java 17+, Spring Boot, microservices, JPA/Hibernate, and REST APIs.

What You’ll Bring

• Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or related field (or equivalent experience)




• 5–8 years of software development experience in professional environment




• Strong hands on experience with Java development




• Hands on experience with Spring Framework and/or Spring Boot




• Hand on experience developing REST APIs and web services




• Experience working with Oracle or other relational databases




• Experience using Git-based source control




• Experience working in Agile/Scrum environments




• Strong troubleshooting and analytical skills




• Strong verbal communication skills

Perks

• A dynamic, high-trust environment with a diverse, mission-driven team



• Competitive compensation commensurate with experience




• Meaningful opportunities for career growth and learning




• Comprehensive health coverage (medical, dental, and vision)




• 401(k) with company match




• Unlimited Paid Time Off (PTO)




• Company-sponsored short- and long-term disability, plus life insurance




• Company-sponsored parental leave

$140,000 - $157,500 a year

Compensation for this role is an annualized salary range of $140,000 to $157,500 plus benefits and growth potential.

To ensure equity and consistency across our compensation system, MO applies a structured salary framework. Offers are made within the posted range based on demonstrated competency and experience. This range is non-negotiable to maintain internal and external pay equity.

Note: To ensure compliance with all state, county, and local employment and tax regulations, applicants must currently reside in one of the following states to be considered for employment with MO. Employment eligibility is also subject to applicable state labor laws and remote work registration requirements. This list will be updated periodically as our team expands hiring eligibility to additional states.

AZ; CA; CO; CT; DC; FL; GA; IL; KS; MA; MD; ME; NC; NJ; NM; NV; NY; OR; PA; TX; UT; VA; WA; WI.

Work Location & Travel

MO is a fully remote organization. Candidates located elsewhere may be expected to travel up to 10% to support in-person collaboration.

The contract this position supports requires US Citizenship.

This position will remain open through October 13, 2026.

In support of the Colorado Equal Pay Transparency Act, and others like it across the country, MO's job descriptions feature the starting range we reasonably expect to pay to candidates who would join our team with little to no need for training on the responsibilities we've outlined above. Actual compensation is influenced by a wide range of factors including but not limited to skill set, level of experience, and responsibility.

We're MO

We build with purpose, deliver with precision, and measure success by the impact we create — for our clients, our teams, and the mission. All MO leaders are expected to lead with humility, embody our core values in their leadership, and to hold their team accountable to the same. MO leaders are expected to ensure we are always growing by tackling hard problems, being strategic, and learning from others.

MO is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. We are committed to building a diverse team and fostering an inclusive, equitable environment where everyone can thrive.

All employment offers are contingent upon successful completion of any required background, reference, or security clearance checks consistent with applicable law and client contract requirements. Your job offer is contingent upon satisfactory completion of such background and/or reference check as applicable. Additionally, this position may require a government background investigation to be completed and adjudicated dependent on your role and project . This offer will be withdrawn if any of the above conditions are not satisfied.