Sr. Applications Developer (SharePoint Full-Stack Developer)

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Custom Software Systems, Inc. (CSS) is seeking a strong Sr. Applications Developer (SharePoint Full-Stack Developer) to work closely with our design/development leads to develop, test, and implement a ReacJS template powered by SharePoint 2016, and implement enhancements to an existing website.  The Sr.Applications Developer must be able to demonstrate working knowledge of SharePoint 2016, ReactJS, and modern best practices regarding separation of concerns (SoC). The Sr. Applications Developer must have knowledge of object-oriented programming, design patterns, structured application development methodology, test-driven development, and deployment strategies.  The successful candidate is self-motivated with strong analytical skills, possesses an ability to learn quickly and thrive within a dynamic environment.


  • Experience with developing accessible (Section 508 compliant) applications/components
  • Experience using REST services and composing/decomposing business data objects
  • Experience in building responsive web templates using ReactJS
  • Understand the importance of separation of concerns (SoC)
  • Specific and demonstrable expertise with implementing complex HTML5/CSS3 UI/UX designs
  • Experience with SharePoint 2016
  • Strong communications skills, both verbal and written
  • Strong organizational and coordination skills
  • Must be a US citizen


Company Background:

Headquartered in Leesburg, Virginia,Custom Software Systems, Inc. (CSS) is a Woman-Owned (WOSB) and HUB Zone 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.

  • 1
  • Negotiable
  • None
  • None
  • Hi-1187646
  • Permanent
  • 22

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