System One
Java Developer
Greenbelt, Maryland
No sponsorship$120k-$190kDetected 1 day ago
JavaSpringFull-Stack DevelopmentPostgreSQLCloud PlatformsCybersecurityAgileCommunication
> stay_score
odds of building a lasting career here
54Sponsors, lottery-bound
Cap-exempt (no lottery)0
Sponsors this role80
Entry-level history0
PERM / green-card track0
Lottery odds (Level III)83
Fits your clock70
Sponsors, but it's cap-subject — you still face the weighted lottery (~45% per draw at Level III). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
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About the role
- System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
- We help clients get work done more efficiently and economically, without compromising quality.
Responsibilities
- Support the IRS EDOS program by designing, developing, and testing high-performing, scalable enterprise applications using Java technologies.
- Collaborate with development teams and product managers to develop software solutions aligned with project requirements.
- Support modernization of legacy systems and implement Service Oriented Architecture (SOA).
Requirements
- Must have an active IRS MBI Clearance
- Bachelor's Degree and 12+ years of overall experience.
- US Citizenship required.
- Extensive experience in Java Full Stack Development and Service Oriented Architecture (SOA).
- Proficiency with PostgreSQL, Microservices Architecture, and Spring Boot.
- Experience working in Agile teams.
- Security Clearance:Must have an active IRS MBI Clearance
Skills
- Experience with Spring Boot integration with Kafka.
- Background in modernizing legacy systems.
- System One is an Equal Opportunity Employer.
- Ref: #851-Rockville-S1
Compensation
- $120k-$190k
Visa & Work Authorization
- Security Clearance:Must have an active IRS MBI Clearance
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This listing is sourced directly from System One's careers page and normalized into a canonical job model.