Senior Java Software Engineer – Application Enhancements Lead

Concept Solutions, LLC

. Lead a small engineering team designing, developing, testing, and releasing capabilities and enhancements to production Java and React applications .

Posted 10/13/2026full-timeUnited StatesSenior💰 $170,000 - $180,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in leading software engineering teams, with a strong focus on Java and React application development, Agile methodologies, and technical design. Capable of ensuring application reliability and security while mentoring engineers and collaborating with cross-functional teams.

Highest-signal resume keywords

Java Software DevelopmentReact Application DevelopmentAgile Software DevelopmentSQL DevelopmentTechnical Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaSpring BootSQLPostgreSQLREST API DevelopmentAgile MethodologiesApplication DevelopmentCode ReviewAutomated TestingFeature Flags

Soft Skills

MentoringCollaborationTechnical Guidance

Tools & Technologies

Amazon ECSFargateAWS GovCloudPega

Certifications & Qualifications

Active Secret Security ClearanceDoW Security Clearance Eligibility

Industry Keywords

Federal GovernmentRegulated EnvironmentsChange Control

Tech Stack

Tools & technologies

AWSJavaPostgresReactSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact

Lead a small engineering team designing, developing, testing, and releasing capabilities and enhancements to production Java and React applications
Provide hands-on technical leadership across the software development lifecycle
Own technical design decisions, establish code review standards, and ensure release readiness
Collaborate with Government product owners to define requirements, prioritize enhancements, and manage the development backlog
Deliver software updates using automated testing, feature flags, and rehearsed rollback procedures
Mentor and provide technical guidance to engineers
Collaborate with sustainment, security, and platform engineering teams to ensure application reliability, security, and successful deployment
Participate in two-week Agile sprints, including customer demonstrations each sprint

Requirements

What you’ll need

7+ years of enterprise Java software development experience, including Spring Boot
Strong SQL development experience, particularly with PostgreSQL
Experience designing, developing, and integrating REST APIs
Demonstrated experience leading a small software engineering team through technical design, code reviews, testing, and production releases
Experience working in an Agile software development environment
Experience developing applications using React
Experience integrating with Pega or other workflow platforms
Familiarity with Amazon ECS/Fargate and AWS GovCloud
Experience delivering software solutions in federal government or other regulated environments requiring formal change control
Active Secret security clearance preferred
U.S. citizenship required
Must be eligible to obtain and maintain a DoW security clearance
Full-time availability, 40 hours per week, Monday through Friday, with core hours from 9:00 a.m. to 3:00 p.m. Eastern
Willingness to travel 0–10% within the Washington, DC metropolitan area

Benefits

Comp & perks

Health insurance
Dental insurance
Vision insurance
Life insurance
Comprehensive 401(k) plan with matching and immediate vesting
Government-furnished equipment for access to Government environments
Career development opportunities
Positive culture centered on innovation and engagement