International Logic Systems, Inc. · 2 hours ago
Senior Full-Stack Java Engineer
US-VA-Fairfax
Full-time
Hybrid
Senior Level, Lead/Staff
10+ years expInternational Logic Systems, Inc. is seeking a Senior Full-Stack Java Engineer with strong Spring Boot backend expertise and solid frontend development skills to support a major federal modernization initiative. The ideal candidate will lead the development of scalable microservices and collaborate with cross-functional teams in an Agile environment.
Artificial Intelligence (AI)Business IntelligenceCloud ComputingE-CommerceLogistics
Responsibilities
Lead Full-Stack Java Engineer
Functions as SME and advocate for software applications
Conveys the solution through architecture and design artifacts
Acts as the bridge between enterprise architecture and applications development
Identifies key performance issues early in the project and works with 3rd party vendors and enterprise-wide system teams to resolve issues
Assures all tasks and deliverables are executed and delivered with quality
Manages and reports on the status of all baselines; executes the project’s Quality Assurance Plan
Provides presentations to all levels of management
Design, develop, and maintain scalable microservices using Java 17+ and Spring Boot
Build RESTful APIs and backend services that integrate with relational databases and external systems
Contribute to the development of responsive user interfaces using Angular or similar modern JavaScript frameworks
Participate in cloud migration efforts and application deployment on AWS
Write unit and integration tests using JUnit, Mockito, and Cucumber
Collaborate with DevOps to support CI/CD pipelines using Jenkins and containerization tools like Docker
Work closely with cross-functional teams including UI/UX, QA, and product owners in an Agile/Scrum environment
Troubleshoot issues across the full application stack and contribute to continuous improvements
Qualification
Required
Bachelor's degree in computer science, Engineering, or a related field
10+ years of professional experience in Java-based full-stack development
Expert-level backend development with Spring Boot, REST APIs, and microservices architecture
Proficiency in frontend technologies such as Angular, HTML5, CSS, and JavaScript
Experience with AWS, containerized deployments (Docker), and CI/CD automation (Jenkins)
Strong understanding of relational databases (PostgreSQL, Oracle, or SQL Server)
Solid grasp of software engineering principles, testing methodologies, and Agile development practices
Preferred
Experience with frontend unit testing frameworks (e.g., Jasmine, Karma)
Familiarity with tools like Maven, Gradle, Git, SoapUI, JMeter
Prior experience in government, financial, or insurance systems is a plus
Company
International Logic Systems, Inc.
International Logic Systems, Inc. (ILS), provides integrated services and flexible solutions to federal agencies and private institutions.
51-200 employees
H1B Sponsorship
International Logic Systems, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2023 (2)
2021 (1)
Funding
Current Stage
Growth StageCompany data provided by crunchbase