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Principal Software Engineer – Data - Military Veterans

at Unisys

Summary / Description


Full stack developer with specialization in Data Layer and related tools, including file SQL, NoSQL NoSQL modeler, ideally w/Cassandra.  Oracle 11g/12c, SQL, data formats (PDF, XML, XML4IP if possible), data modeling, Data Layer/Objects, related understanding of performance and related technologies (caching). Developed and tested JEE-based web services (SOAP/REST).  Ideally will have experience with all aspects of deploying services including areas such as interactive documentation such as Swagger and Governance platforms such as AWS API Gateway or Layer 7 Gateways.  Experience with full lifecycle of requirements, prototyping developing, testing, demonstrating solution (good communication skills).   Agile Experience as well as other Rapid development approaches (Extreme Programming, Test Driven Development). 

SKILLS: General knowledge of web-based applications hosted in JEE environment, ideally JBoss or Tomcat application servers.  Service-oriented Skills - SOA, REST, JSON, JAX-RS, RESTEasy/Jersey, SOAP, WS-*,  XML, JEE, Java, Knowledge of HTTP, HATEOAS, API Governance, Swagger or similar documentation, annotations, microservices, regex, data objects and code, knowledge of transformations (e.g. file formats, XML).   Ability to develop services in isolation using Unit Testing and Integration test tools.   Experience with DevOps highly desired, especially Source control specifically Subversion and automated testing (SOAPUI, JMeter, Grinder), mocking data, and orchestration (Jenkins).   Knowledge of Security Models (supporting integration with RBAC, SSO, LDAP) highly desired.   Knowledge of content management and database highly desirable, including Oracle/MySQL, Cassandra, and other CMS. Knowledge of basic Agile terminology and practices such as User Stories, Backlog, Scrum, and Acceptance Criteria.   Experience with an Agile Tool, specifically Rally (CA Agile Central) a major plus.



Education/Experience:  Bachelor's degree and 8 years of related work experience.

 Public Trust, No citizenship requirement

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

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

Alexandria, VA


Solving Complex Client Challenges with Reliable IT Solutions

We’re a worldwide technology services and solutions company dedicated to providing clients with reliable, secure IT solutions to cut costs and optimize performance. We apply Unisys expertise in consulting, systems integration, outsourcing, infrastructure, and server technology to help our clients achieve their business goals. We give our clients the visibility to see their business more clearly—ahead of decision points, investments, and risks.

An Innovative Company with a Global Reach

And we’re not just in one or two countries—we're global, operating in over 100 countries and in both hemispheres. So no matter where you are in the world—we’re there too.

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