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Senior Application Software Engineer Jobs in Washington

SOSi

Senior Application Developer

Fort Belvoir, VA

$108K - $149K/yr

SOSi is seeking a highly qualified Senior Application Developer to join our team on site in Fort ... Essential Job Duties: * Design, develop, test, and maintain high‑performance software ...

SOSi

Senior Application Developer

Fort Belvoir, VA

$108K - $149K/yr

SOSi is seeking a highly qualified Senior Application Developer to join our team on site in Fort ... Design, develop, test, and maintain highperformance software applications. * Analyze business ...

SOSi

Senior Application Developer

Fort Belvoir, VA · On-site

$108K - $149K/yr

SOSi is seeking a highly qualified Senior Application Developer to join our team on site in Fort ... Design, develop, test, and maintain high-performance software applications. * Analyze business ...

Quadrant

Cloud Application Software Engineer

Fairfax, VA · Remote

$120K/yr

Cloud Application Software Engineer Austin, Texas (remote) Pay From: $120,000 per year MUST: Must be eligible for Public Trust 8+ years of software development experience with significant backend ...

Lockheed Martin

Software Engineer Sr

Herndon, VA · On-site

$126K - $166K/yr

We are seeking a Software Engineer to participate in the design, development, test and maintenance of complex mission application software and database applications for the Paragon organization which ...

Amyx, Inc.

Software Engineer

Arlington, VA · On-site

Overview Amyx is seeking to hire a Sr Software Engineer to support our Army client at the Pentagon ... They will provide support by assisting in the evaluation and recommendation of application software ...

Amyx

Software Engineer

Arlington, VA

They will provide support by assisting in the evaluation and recommendation of application software ... The Sr Software Engineer must have an undergraduate degree in computer science, engineering, or ...

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All JobsApplication Software Engineer JobsSenior Application Software Engineer JobsSenior Application Software Engineer Jobs in Washington

Senior Application Software Engineer information

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How much do senior application software engineer jobs pay per hour?

As of Jun 10, 2026, the average hourly pay for senior application software engineer in Washington is $80.26, according to ZipRecruiter salary data. Most workers in this role earn between $65.34 and $89.86 per hour, depending on experience, location, and employer.

What is the difference between Senior Application Software Engineer vs Software Developer?

AspectSenior Application Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; experience varies, often less than 5 years
Work EnvironmentDesigning, developing, and maintaining complex applications; often involved in architecture decisionsWriting, testing, and debugging code; focused on specific features or modules
Industry UsageCommon in tech, finance, healthcare, and enterprise sectorsWidespread across all industries requiring software solutions

Senior Application Software Engineers typically have more experience and responsibilities, including system design and mentorship, compared to Software Developers who focus more on coding and implementation. Both roles require strong programming skills, but the senior role involves broader project oversight and strategic input.

What does a Senior Application Software Engineer do?

A Senior Application Software Engineer is responsible for designing, developing, and maintaining complex software applications. They often lead technical projects, mentor junior engineers, and collaborate with cross-functional teams to deliver high-quality solutions. Their role includes analyzing user needs, writing code, troubleshooting issues, and ensuring software scalability and security. Senior engineers are also involved in architectural decisions and may help define software development standards within their organization.

How does a Senior Application Software Engineer typically collaborate with cross-functional teams during the development lifecycle?

Senior Application Software Engineers frequently work alongside product managers, UX/UI designers, QA specialists, and other engineers to ensure software solutions meet business objectives and user needs. They often lead technical discussions, clarify requirements, and provide mentorship to junior developers. Effective communication and a proactive approach to problem-solving are crucial, as these engineers serve as a bridge between technical and non-technical stakeholders throughout the development, testing, and deployment phases.

What are the key skills and qualifications needed to thrive as a Senior Application Software Engineer, and why are they important?

To thrive as a Senior Application Software Engineer, you need advanced proficiency in programming languages (such as Java, Python, or C#), software architecture, and a bachelor’s or master’s degree in computer science or a related field. Experience with development frameworks, cloud platforms, version control systems (like Git), and often certifications such as AWS Certified Developer or Microsoft Certified: Azure Developer Associate are highly valued. Strong problem-solving ability, leadership, and effective communication set standout professionals apart in this role. These skills and qualities are crucial for designing robust software solutions, mentoring teams, and ensuring successful project delivery in complex technical environments.
What are the most commonly searched types of Application Software Engineer jobs in Washington? The most popular types of Application Software Engineer jobs in Washington are:
What cities in Washington are hiring for Senior Application Software Engineer jobs? Cities in Washington with the most Senior Application Software Engineer job openings:
What are popular job titles related to Senior Application Software Engineer jobs in WA? For Senior Application Software Engineer jobs in WA, the most frequently searched job titles are:
Senior Application Software Engineer jobs near you
Senior Application Developer / Software Engineer

Senior Application Developer / Software Engineer

Navteca

Washington, DC

$108K - $149K/yr

Full-time

Medical, Dental, Life, Retirement, PTO

Posted 24 days ago

Job description

Application Developer / Software Engineer

Senior Level (7+ Years Experience)
Location: DMV Area (Washington DC, Maryland, Virginia)
Work Type: Full-Time | On-site or Hybrid (based on contract requirements)

Overview

Navteca is seeking a highly experienced Senior Application Developer / Software Engineer to support enterprise-level software development initiatives. The ideal candidate will possess deep technical expertise across all phases of the Software Development Life Cycle (SDLC) and a strong background in designing, developing, and integrating scalable, high-performance applications.

This role requires both hands-on technical leadership and the ability to guide development teams while delivering complex solutions in a fast-paced, mission-driven environment.

Key Responsibilities

  • Lead full lifecycle software development efforts, including requirements, design, development, testing, deployment, and maintenance
  • Develop detailed functional and technical requirements for client-server and web-based applications
  • Perform advanced system analysis and module-level design of software solutions
  • Architect and implement highly scalable, high-performance applications
  • Lead integration efforts across operational, tactical, and strategic systems
  • Perform complex programming, analysis, and development for web, mobile, and ETL processes
  • Define requirements, write technical specifications, and design, code, test, debug, and document applications
  • Provide technical leadership and may supervise or mentor junior developers on large-scale projects
  • Analyze functional and data processing requirements and recommend optimized technical solutions
  • Support custom development, COTS customization, reporting, data conversion, and legacy system modernization
  • Ensure compliance with Fairfax County standards and best practices

Required Skills & Technologies

  • Programming Languages: ASP.NET, C#, Python, Java, C/C++
  • Web Technologies: HTML, XHTML, XML, XSLT, CSS, JavaScript
  • Databases: SQL, SQL Server, Oracle, MarkLogic
  • Development Tools: Visual Studio, Git, CI/CD pipelines
  • Microsoft Stack: .NET Framework, SharePoint, Microsoft Power Platform, IIS
  • Data & Reporting: SQL Reporting, ETL processing
  • Emerging Technologies: Artificial Intelligence (AI) / Machine Learning (ML) (preferred)

Qualifications

  • 7+ years of professional software development experience
  • Proven experience designing and implementing enterprise-level architectures
  • Strong experience leading integration and development efforts across complex systems
  • Ability to optimize performance and troubleshoot advanced system issues
  • Strong leadership, mentoring, and communication skills
  • Experience working in government or regulated environments is a plus

Work Location & Schedule

  • On-site or hybrid depending on contract requirements
  • Primary location: Fairfax County Government Center
    12000 Government Center Parkway, Fairfax, VA 22035
  • Standard hours: Monday-Friday, 8:00 AM - 4:30 PM (30-minute lunch)
  • May require participation in an on-call rotation
  • Must adhere to Fairfax County and/or FCPS holiday and inclement weather policies

Additional Requirements

  • Ability to work on-site at County or approved offsite locations as needed
  • Time worked outside approved hours is not billable
  • Timesheets must be submitted for all work performed
  • Staff may not perform work for other clients during assigned County hours

Benefits

Navteca offers a comprehensive benefits package, including:

  • Medical Insurance
  • Dental Insurance
  • Life and AD&D Insurance
  • Short-Term and Long-Term Disability (STD/LTD)
  • 401(k) Retirement Plan
  • Paid Vacation
  • Paid Holidays
  • Paid Sick Leave
  • Comp/Flex Time

Apply