Senior ESB Technical Developer

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Custom Software Systems. Inc. (CSS) Is seeking a Senior ESB Technical Modeler/Developer to perform application development, configuration and unit testing for our client’s project utilizing PeopleSoft IDK. The Senior ESB Developer will participate in development, integration and deployment of solutions for interfaces and conversions. This role is responsible for developing coding based on design specifications, existing modules, and direction from technical lead, including initial set up of development environment and documenting prototype and final solution. This role is responsible for maintaining, designing, developing, and supporting application solutions and re-engineered components based on client requirements. He or she will perform business and technical design functions, including making contributions to business and technical architecture components of the enterprise solution. 



  • Responsible for technical solution design, development, deployment/cutover, and implementation covering all technical aspects of the PeopleSoft implementation lifecycle 

  • Provide hands-on technical solutions to business challenges & translates them into process/technical solutions 

  • Create, update and edit interface design documents and solutions to satisfy data requirements 

  • Responsible for the design, development and delivery of various PeopleSoft application development components, including reports, interfaces, conversions, and implementation of custom solutions 

  • Interpret requirements, perform highly complex analyses and presents options and recommendations to obtain desired results 

  • Design, plan, test and implement remediation's which meet functional and technical specifications of a large PeopleSoft HR application 

  • Conduct Unit testing and resolve issues found in testing 

  • Meet deadlines and manage multiple, dynamic priorities 

  • Effectively communicate and demonstrate experience working in a team-oriented environment 



  • 8-12 years of related experience in ERP application 

  • 6+ years of overall technical experience in system design, project development and production support of large applications/systems 

  • 4+ years of PeopleSoft experience with a minimum of 2 years of technical experience with PeopleTools 8.49 or above 

  • Experience in drafting technical design specifications and test plans for application modifications or customizations 

  • Experience with PeopleTools, including Application Designer, Application Engine, PeopleCode, Application Packages, Application Messaging, Component Interfaces, SQR, Workflow and Query 

  • Ability to work collaboratively in a team environment with a strong focus on customer service and solution ownership 

  • Proficient in structured query language (SQL) and troubleshooting data issues 

  • Strong analytical skills and can demonstrate strong problem solving skills 

  • Ability to communicate in a clear and concise manner and success working in Integrated Product Teams (IPTs) 

  • Must hold an active Secret clearance 



  • Experience with PeopleSoft HCM 9.x 

  • Possess prior experience of supporting large scale organizations with successful ERP implementation(s) 



  • Bachelor's degree in Computer Science or Information Systems or other technically relevant degree 



  • Normal demands associated with an office environment 

  • Ability to work on computer for long periods and communicate with individuals by telephone, email and face to face 

  • Up to 10% of time for travel may be required. 


About Custom Software Systems, Inc. 

Company Background:

Headquartered in Leesburg, Virginia, Custom Software Systems, Inc. (CSS) is a  Woman-Owned (WOSB) and HUBZone certified small business. Built on a foundation of trusted client partnerships, CSS has fostered a stakeholder-centric yet disciplined approach to IT solutions development. This ensures our ability to consistently meet or exceed our customers' expectations.


CSS is a very employee oriented company knowing that well trained, professional associates are what make our company great.  We offer a competitive benefits package that includes: paid holidays and paid time off; medical insurance that includes vision; dental insurance; company paid long and short-term disability and life insurance; a Simple IRA plan (similar to 401k); parking and commuter reimbursement. We also work with our employees on training and professional certification plans that benefit the employee, the client and CSS - a win-win-win strategy.

Equal Opportunity Employer:

CSS provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. CSS complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

CSS expressly prohibits any form of unlawful employee harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with the ability of CSS employees to perform their expected job duties is absolutely not tolerated.

Location: Arlington, VA
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