Unisys Federal Systems

Senior Developer

Job Locations US-MO-Saint Louis | US-Remote / Home Office / Virtual Office
Req ID
Federal Systems
Travel Percentage

Summary / Description

We are currently seeking a motivated, career and customer oriented Senior Developer to join our team in St. Louis, MO to begin an exciting and challenging career with Unisys Federal Systems.


Position Description

Provides technical services for the IRS-ESS program (multiple projects) involved with supporting an enterprise-level storage-as-as-service Data Acquisition and Billing System designed and implemented using open source technology including:

  • Drools, Java, Tomcat, Groovy/Grails, Spring/Hibernate on RHEL 6 platform
  • MySQL and PostgreSQL, IBM Spectrum Control, Cognos/DB2
  • Linux scripting using Bash, Groovy, Java, Perl, Talend for data integration
  • Rule-based system design and development (JBoss, KIE)
  • Data Analytics (Java/Scala, Python, R)
  • Microservices architecture (Java, Groovy)

Works with management, operations team, and storage engineers to verify/validate storage data integrity extracted from various enterprise storage management systems. Maintains and updates, verifies, business-rules (Drools) used for monthly billing mediation processing. Works on assigned tasks required for new billing system architecture and design. Works on assigned tasks to automate data acquisition, system verification/validation, and automated invoice validation for data quality monitoring purposes.





Minimum of 10 years of relevant IT implementation experience. Master’s Degree or equivalent experience

Significant exposure to clients across a variety of industries and domains

Experience in at least two of the following specific technology areas: Application Development (multi-tier, Web, Cloud, and / or Mobile), Server Operating Systems, Database / Information Management, Application / Data Security, Application Platforms, Application Integration, Enterprise Content Management, Mobility Solutions, and Social Computing.

Strong SQL and RDBMS skills (MySQL, PostgreSQL)

Database design and development of stored procedures

Design, development of Bash/SQL/Java/Perl scripting in Linux environment

NoSQL is a plus (Drill)

Strong Java/JEE experience/design skills

Tomcat, servlets programming, J2EE Design Patterns

Automated Testing using Junit/TDD, Selenium, Cucumber/BDD, Eclipse/Maven, Spring, Hibernate

RESTful API design, SpringBoot, Spring MVC, JQuery, Angular

Data administration and management (MySQL, PostgreSQL)

Linux scripting Bash, Perl, Groovy


Preferred skills/experience:

Experience with Rule-based, Knowledge-based systems, and Domain-Specific Language (DSL) design.

JBoss Drools Rules Language (DRL), MVEL

Virtualization (VMware)

IBM Tivoli/Cognos, Spectrum Control

Network design and systems engineering

Microservices architecture and containerization

Strong communications skills (clear verbal communication is essential) with the ability to interface with all levels of internal and client project teams.

In-depth experience in Component-Based development in Open Source and/or Microsoft-based technologies. Understands key architectural frameworks, architectural design approaches and development methodologies

Implementation and presales experience in related project roles such as system analyst, implementer, integrator, test analyst, team leader and/or software architect

Knowledgeable on agile and traditional project management concepts including agile roles, agile planning, Scrum, Kanban, project scheduling, risk management, estimation (COCOMO II / Function Point Analysis), Work Breakdown Structures, requirements management / traceability, Change Management, etc.

About Unisys

Do you have what it takes to be mission critical?

Your skills and experience could be mission critical for our Unisys team supporting the Federal Government in their mission to protect and defend our nation, and transform the way government agencies manage information and improve responsiveness to their customers.  As a member of our diverse team, you’ll gain valuable career-enhancing experience as we support the design, development, testing, implementation, training, and maintenance of our federal government’s critical systems.

Apply today to become mission critical and help our nation meet the growing need for IT security, improved infrastructure, big data, and advanced analytics.

Unisys is a global information technology company that solves complex IT challenges at the intersection of modern and mission critical. We work with many of the world's largest companies and government organizations to secure and keep their mission-critical operations running at peak performance; streamline and transform their data centers; enhance support to their end users and constituents; and modernize their enterprise applications. We do this while protecting and building on their legacy IT investments. Our offerings include outsourcing and managed services, systems integration and consulting services, high-end server technology, cybersecurity and cloud management software, and maintenance and support services. Unisys has more than 23,000 employees serving clients around the world.

Unisys offers a very competitive benefits package including health insurance coverage from first day of employment, a 401k with an immediately vested company match, vacation and educational benefits. To learn more about Unisys visit us at www.Unisys.com.

Unisys is an Equal Opportunity Employer (EOE) - Minorities, Females, Disabled Persons, and Veterans.


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