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Sr Application Engineer Jobs in Washington (NOW HIRING)

Senior Application Developer

Mclean, VA · On-site

$97K - $133K/yr

  • Medical

  • Dental

  • Vision

Job Title:  Senior Application Developer (NOAA/AWIPS) Company: BLN24 About Us: We find strength in teamwork-a better you is a better us BLN24 is an award-winning Management Consulting Firm ...

Senior Application Developer

Arlington, VA · On-site

$109K - $150K/yr

Working within the SearchPlus and application development team, the Senior Application Developer designs, builds, and maintains enterprise web applications and search capabilities that serve a user ...

Overview BigBear.ai is seeking a Senior Application Developer to support the Defense Intelligence Agency (DIA). This position will be based out of Washington, D.C. and will offer remote flexibility.

Senior Application Developer

Arlington, VA

$109K - $150K/yr

Working within the SearchPlus and application development team, the Senior Application Developer designs, builds, and maintains enterprise web applications and search capabilities that serve a user ...

Application Developer

Arlington, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Amyx is seeking to hire a Sr Application Developer to support our Army client at the Pentagon. * The Application Developer will perform development, design, and implementation activities for custom ...

Senior Application Software Engineer

Reston, VA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Application Software Engineer Position Overview Oracle Government Defense & Intelligence is seeking a Senior Application Software Engineer to build and operate secure, scalable application ...

Senior Application Software Engineer

Reston, VA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Application Software Engineer Position Overview Oracle Government Defense & Intelligence is seeking a Senior Application Software Engineer to build and operate secure, scalable application ...

Senior Application Software Engineer

Reston, VA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Application Software Engineer Position Overview Oracle Government Defense & Intelligence is seeking a Senior Application Software Engineer to build and operate secure, scalable application ...

Senior Application Developer

Mclean, VA · On-site

$97K - $133K/yr

They are seeking Senior Application Developers to support the NOAA National Weather Service AWIPS program, contributing to the development and enhancement of a large-scale, high-availability platform ...

Application Developer

Arlington, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Overview Amyx is seeking to hire a Sr Application Developer to support our Army client at the Pentagon. Responsibilities * The Application Developer will perform development, design, and ...

Showing results 21-40

Sr Application Engineer information

See Washington salary details

$78.7K

$146.1K

$207.3K

How much do sr application engineer jobs pay per year?

As of Aug 14, 2026, the average yearly pay for sr application engineer in Washington is $146,103.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,300.00 and $163,700.00 per year, depending on experience, location, and employer.

What does a Sr Application Engineer do?

A Sr Application Engineer is responsible for designing, developing, and maintaining software applications to meet specific business or technical requirements. They often work closely with clients, project managers, and other engineers to translate user needs into functional solutions. Typical duties include coding, troubleshooting, optimizing performance, and providing technical support throughout the software development lifecycle. Senior Application Engineers also mentor junior team members and may contribute to architectural decisions. Their role is critical in ensuring that applications are robust, scalable, and aligned with organizational goals.

What are the key skills and qualifications needed to thrive as a Sr Application Engineer?

To thrive as a Sr Application Engineer, you need advanced expertise in software development, system architecture, and a relevant degree such as a BS or MS in Computer Science or Engineering. Familiarity with programming languages (e.g., Java, Python, C#), cloud platforms, and tools like Git, Docker, and CI/CD pipelines is typically required, along with certifications such as AWS Certified Solutions Architect or similar. Strong problem-solving, communication, and leadership skills set top performers apart by enabling effective project delivery and cross-team collaboration. These capabilities are crucial for designing robust solutions, maintaining system reliability, and driving innovation in complex technical environments.

What is the difference between Sr Application Engineer vs Application Engineer?

AspectSr Application EngineerApplication Engineer
Required CredentialsBachelor's degree in engineering or related field; experience in software/applications; sometimes certifications in specific technologiesBachelor's degree in engineering, computer science, or related field; similar certifications optional
Work EnvironmentDesign, develop, and troubleshoot applications; collaborate with cross-functional teams; often involved in project leadershipImplement and support applications; work closely with clients and internal teams; focus on deployment and maintenance
Employer & Industry UsageUsed across tech, manufacturing, and software companies; common in industries requiring application developmentCommon in IT, software, and engineering firms; roles focused on application support and deployment

The main difference between a Sr Application Engineer and an Application Engineer lies in experience level and responsibilities. The senior role typically involves more complex project leadership, troubleshooting, and strategic planning, while the Application Engineer focuses on implementation and support. Both roles require similar educational backgrounds and certifications, but the senior position demands more experience and technical expertise.

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

As a Sr Application Engineer, you will frequently work with product managers, UX/UI designers, QA specialists, and other engineers to deliver high-quality applications. Collaboration often involves participating in requirements gathering sessions, code reviews, sprint planning, and troubleshooting meetings. Effective communication and a proactive approach to problem-solving are essential, as you’ll need to bridge technical and non-technical perspectives to ensure project goals are met. This role also offers opportunities to mentor junior developers and influence architectural decisions, making teamwork a central part of your daily responsibilities.

What cities in Washington are hiring for Sr Application Engineer jobs?

Cities in Washington with the most Sr Application Engineer job openings:

Infographic showing various Sr Application Engineer job openings in Washington as of August 2026, with employment types broken down into 77% Full Time, 19% Part Time, and 4% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $146,103 per year, or $70.2 per hour.

Senior Application Developer

BLN24

Mclean, VA • On-site

$97K - $133K/yr

Full-time

Medical, Dental, Vision

Re-posted 17 days ago


Job description

Job Title: Senior Application Developer (NOAA/AWIPS) 

 
Company: BLN24 
 
About Us: We find strength in teamwork-a better you is a better us 
BLN24 is an award-winning Management Consulting Firm that supports the U.S. Federal Government in successfully achieving their mission and goals. Our service and solutions delivery start with understanding each client’s end-state, and then seamlessly integrating within each Agency’s organization to improve and enhance strategic and technical operations and deployments. 
 
Position Overview: 

We are seeking Senior Application Developers to support the NOAA National Weather Service AWIPS program, a mission-critical system used nationwide to process and disseminate real-time weather data that protects life and property. 

You will contribute to the development and enhancement of a large-scale, high-availability platform supporting 24/7/365 operations. 

Key Responsibilities: 

  • Design, develop, test, and deploy scalable, secure, and maintainable software applications supporting mission-critical weather systems 

  • Support enhancements, modernization, and maintenance of the AWIPS baseline software platform 

  • Collaborate with UX, DevSecOps, QA, and product teams in an Agile development environment 

  • Develop and maintain scalable microservices, RESTful APIs, and event-driven services 

  • Ensure code quality through unit testing, code reviews, and adherence to engineering best practices 

  • Support integration with AWS cloud services and cloud-native architecture patterns (EC2, Lambda, S3, EKS) 

  • Participate in CI/CD pipeline development and support automated deployment processes 

  • Contribute to system performance tuning, monitoring, logging, and operational troubleshooting in a 24/7 environment 

  • Utilize AI-assisted development tools to improve productivity, software quality, and testing efficiency 

  • Document technical designs, implementations, and operational procedures as needed 

Required Qualifications: 

  • 5+ years of professional software development experience 

  • Strong experience in system design, architecture, and scalable application development 

  • Proven experience leading or mentoring development teams in Agile environments 

  • Hands-on experience with AWS services (EC2, Lambda, S3, EKS, or equivalent cloud platforms) 

  • Experience building and supporting microservices-based architectures and APIs 

  • Strong understanding of software engineering best practices including testing, CI/CD, and version control (e.g., Git) 

  • US. Citizenship Required 

Preferred Qualifications: 

  • Current or recent experience with NOAA/NWS systems or federal weather-related programs 

  • Direct experience with AWIPS or similar large-scale environmental data processing systems strongly preferred 

  • Experience supporting high-availability, real-time, or mission-critical systems in production environments 

  • Familiarity with DevSecOps practices and cloud-native observability tools (logging, metrics, tracing) 

  • Experience using AI-assisted development tools (e.g., GitHub Copilot, ChatGPT, automated testing frameworks) 

  • Exposure to Kubernetes-based deployments and containerized workloads 

  • Experience working in geographically distributed or 24/7 operational support environments 

What BLN24 brings to the Game: 
BLN24 benefits are game changing. We like our team to play hard and that means they need to be taken care of — physically, financially, and emotionally. We make sure to keep them in the game by giving them access to generous medical, dental, and vision plans. 

  • You can join one of the fastest growing companies headquartered in the Washington DC Metro Area.  We give you the opportunity to work in different sectors, so you have the chance at variety while maintaining stability. 

  • Flexibility at BLN24 allows each individual the opportunity to balance quality work and their personal lives. Depending on projects, we allow remote working opportunities so you can always be in the game no matter where you call home. 

BLN24 is an Equal Opportunity Employer. We believe people are our strength and understand diverse talents are key to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. In accordance with applicable law, we make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as any mental health or physical disability needs. 

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