Karsun Solutions LLC

  • Sr Webservices Developer (OKC)

    Job Locations US-OK-Oklahoma City
    Posted Date 2 weeks ago(8/7/2019 11:48 AM)
    # of Openings
    Information Technology
  • Overview

    Karsun Solutions LLC is in the business of solving problems. Since 2009 as a premier consulting services company with a culture of innovation, Karsun offers a portfolio of Enterprise Modernization services to both civilian and defense Federal agencies. Karsun’s list of strong clientele includes U.S. Department of Homeland Security, U.S. General Services Administration, and the Federal Aviation Administration. Karsun combines years of institutional knowledge with a deep commitment to customer relationships, on every project.      


    This role provides computer engineering, computer systems analysis, computer science and software engineering. Develops, modifies, and applies computer modeling and programming applications to analyze and solve mathematical and scientific problems affecting system and program performance. Participates in all phases of scientific and engineering projects such as research, design, development, testing, modeling, simulating, training, and documentation.

    • Responsible for development, review and approval of WebServices/API in an organized and cohesive manner using industry accepted frameworks.
    • Understands, and applies the creation of data architecture principles.
    • Identifies and comprehends the implications of security decisions and recommendations across multiple domain areas.
    • Identifies and performs evaluation of innovation opportunities of emerging SOA and API technologies.
    • Evaluates new WebServices technologies, and configurations


    Priority Skills:

    • Design and develop new WebServices supporting 15 plus mission critical applications
    • Data Architect/PL SQL Developer
    • Knowledge of Spring JPA with hibernate is required for persistence
    • Experience using Apache CXF, Axis2 framework for WebServices 

    Required Skills:

    • Design and develop new WebServices supporting 15 plus mission critical applications
    • Support existing WebServices and develop new services for enhancements for internal WebServices
    • Design security authentication to the existing WebServices
    • Experience in developing and maintaining SOAP and RESTful services and web application using JAVA, J2EE, JSon, JQuery, JUnit, SpringMVC
    • Provides production maintenance support
    • Knowledge of Spring JPA with Hibernate is required for persistence
    • Experience using Apache CXF, Axis2 framework for WebServices
    • Able to manipulate back end Oracle DB with expertise in CRUD operations
    • Good management and analysis skills for managing Production issues
    • Experience to analyze the code for the cross-impacts while designing enhancements for releases
    • Define, design Web Service API s for exposing functionalities to client applications.
    • Work with different system owners for application integrations between systems
    • Ability to read XML, understand and build schemas (DTD, XSD files) and craft XML based on schemas.
    • Security knowledge – SSL, LDAP, Web Service Security (WSS), certificates
    • Working knowledge of Enterprise Service Bus (ESB) – Synapse
    • Working infrastructure knowledge – Apache, Tomcat, Linux
    • Requires a Bachelors Degree in engineering, math and/or science and a minimum of 15 years of relevant experience
    • For Information Technology Systems Architecture, Enterprise Architecture, or Network Analysis/Design/Test, any combination of degree and relevant experience will be considered if the relevant experience requirement is satisfied.
    • The ability to successfully obtain and maintain a U.S. Suitability/Public Trust Background Clearance


    Desired Skills

    • Team lead experience
    • Working knowledge in JavaScript
    • Have worked in development tools – Jira, Git and Confluence
    • Worked in Agile/Scrum team environment
    • Having worked at FAA in the past is a plus
    • Working knowledge of JMS Queues
    • Working knowledge of SoapUI
    • Working knowledge of devOps middleware – Jenkins, Maven, Artifactory, Ansible



    Karsun Solutions pays 100% of employee only Medical, Dental, Life Insurance, Short Term Disability and Long term disability.

    We offer Vision coverage, 401(k) with immediate vesting and a competitive PTO policy.


    Karsun Solutions is an Equal Employment Opportunity (EEO) employer. It is the policy of the Company to provide equal employment opportunities to all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status, or genetic information


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