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Senior Web Application Developer

Job in Washington, District of Columbia, 20022, USA
Listing for: Synergy ECP
Full Time position
Listed on 2026-03-10
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer
Salary/Wage Range or Industry Benchmark: 110000 - 140000 USD Yearly USD 110000.00 140000.00 YEAR
Job Description & How to Apply Below

About Net Services (NSI)

Net Services (NSI) is an IT services firm with a long-standing reputation for delivering high-quality, cost-effective solutions to drive lasting results. Now operating as a subsidiary of Synergy ECP, NSI continues to stand out in a crowded contracting landscape through its agility, strong customer focus, and commitment to retaining exceptional talent. By taking on challenging IT initiatives, we cultivate our talent and are continually evolving through our partnerships with clients.

Our close‑knit team of highly cleared engineers, analysts, and program managers represent some of the best talent locally available.

Web Application Developer – Description

Responsible for designing, testing, and developing well‑designed web‑based software code that is testable and efficient, using best software development practices to meet user needs. This role involves recommending software upgrades for current and future systems, translating User Interface (UI)/User Experience (UX) design wireframes, ensuring software continues to function normally through software maintenance and testing, and documenting every aspect of the application, service, or environment as a reference for future maintenance and upgrades.

Key Responsibilities
  • Design, test, and develop well‑designed web‑based software code that is testable and efficient.
  • Utilize best software development practices to meet user needs.
  • Recommend software upgrades for current and future systems.
  • Translate UI/UX design wireframes into functional web applications.
  • Ensure software continues to function normally through software maintenance and testing.
  • Document every aspect of the application, service, or environment for future reference and maintenance.
  • Collaborate with cross‑functional teams to define and implement new features.
  • Write clean, well‑documented, and scalable code.
  • Debug and resolve technical issues to maintain the performance and security of web applications.
  • Stay up-to-date with emerging technologies and industry trends to ensure the application remains current and competitive.
Qualifications & Experience
  • Proven experience in web application development.
  • Experience with Microsoft 365 Power Platform and SharePoint.
  • Strong knowledge of front‑end and back‑end web development technologies.
  • Proficiency in HTML, CSS, JavaScript, and other relevant programming languages.
  • Experience with UI/UX design principles and translating design wireframes into functional applications.
  • Strong understanding of software development best practices.
  • Ability to recommend and implement software upgrades.
  • Experience in software maintenance and testing to ensure continued functionality.
  • Excellent problem‑solving and debugging skills.
  • Strong communication and collaboration skills.
  • Bachelor’s degree required.
  • Minimum 8 years experience preferred.
  • Preferred skills: familiarity with modern web development frameworks and libraries, experience with version control systems such as Git, knowledge of database management and integration, understanding of web security best practices, ability to document processes and code for future maintenance and upgrades.
Security Clearance

Must possess active TS/SCI clearance to be considered for this role.

Other Requirements

U.S. Citizenship.

Compensation

Typical salary range starts at $110,000 and stretches up to $140,000. Compensation may exceed this range for exceptional candidates.

Benefits

Health & Retirement: comprehensive Health Benefits package and 401(k) retirement plan.

Paid Time Off: generous paid time off benefit and 10 paid holidays a year.

Flexible Work: flexible work options that work with your schedule and lifestyle.

Philanthropy: annual volunteer and philanthropy participation.

Equal Employment Opportunity

We are committed to providing equal employment opportunities to all qualified individuals. Employment decisions are based on merit, qualifications, and business needs. We do not discriminate on the basis of race, color, sex, national origin, religion, age, disability, or any other status protected by applicable law.

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Position Requirements
10+ Years work experience
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