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Senior Front End Software Engineer Jobs in Washington

Booz Allen Hamilton

Front End Software Engineer

Mclean, VA · On-site

$55K - $126K/yr

R0238911 Front End Software Engineer The Opportunity: The right interface can make an application easy to use, encourage early adoption, and save time and resources. We're looking for you, a web ...

Booz Allen Hamilton

Front End Software Engineer

Mclean, VA · On-site

$55K - $126K/yr

Front End Software Engineer The Opportunity: The right interface can make an application easy to use, encourage early adoption, and save time and resources. We're looking for you, a web developer who ...

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Senior Front End Software Engineer information

See Washington salary details

$81K

$166.2K

$224.3K

How much do senior front end software engineer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for senior front end software engineer in Washington is $166,232.00, according to ZipRecruiter salary data. Most workers in this role earn between $138,700.00 and $190,800.00 per year, depending on experience, location, and employer.

What does a senior front end software engineer do?

A Senior Front End Software Engineer is responsible for designing, developing, and maintaining the user interface and experience of web applications. They work with languages like HTML, CSS, and JavaScript, as well as frameworks such as React, Angular, or Vue. Besides writing code, they often mentor junior developers, collaborate with designers and backend engineers, and help define best practices and technical standards for the front end team. Their goal is to ensure that web applications are visually appealing, responsive, and performant.

What are some common challenges senior front end software engineers face when working on large-scale applications?

Senior Front End Software Engineers often encounter challenges such as maintaining code quality and consistency across large teams, ensuring optimal performance as the application scales, and coordinating effectively with backend and design teams. Managing technical debt and keeping up with rapidly evolving front-end technologies can also be demanding. Successful engineers use robust testing, code review processes, and clear communication to overcome these hurdles and deliver high-quality user experiences.

What are the key skills and qualifications needed to thrive as a senior front end software engineer?

To thrive as a Senior Front End Software Engineer, you need advanced proficiency in HTML, CSS, JavaScript, and modern frameworks like React or Angular, typically supported by a relevant degree and several years of experience. Familiarity with version control systems (such as Git), build tools (like Webpack), and testing libraries is essential, and certifications in front-end technologies can be advantageous. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with cross-functional teams and mentor junior developers. These skills ensure the delivery of scalable, user-friendly applications and contribute to the overall success and innovation of development projects.
What are popular job titles related to Senior Front End Software Engineer jobs in Washington? For Senior Front End Software Engineer jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Senior Front End Software Engineer jobs in Washington look for? The top searched job categories for Senior Front End Software Engineer jobs in Washington are:
Senior Front End Software Engineer jobs near you
Infographic showing various Senior Front End Software Engineer job openings in Washington as of July 2026, with employment types broken down into 74% Full Time, 22% Part Time, 1% Temporary, and 3% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $166,232 per year, or $79.9 per hour.

Sr. Front-End Software Engineer (Geospatial & Middleware)

Eiden Systems Consulting

Sterling, VA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 3 days ago

Job description

Eiden Systems Corporation (ESC) is seeking a Top Secret cleared, highly collaborative Front-End & Middleware Engineer, to join our mission-driven team onsite. You will work closely with cross-functional developers to build and adapt interface in response to changing mission requirements. Developers with a keen interest in getting software rapidly into the hands of the warfighter.
Key Responsibilities
  • Support development on intuitive front-end user interfaces
  • Build and maintain efficient middleware message layers to bridge front-end components with back-end architectures.
  • Integrate complex data streams and handle message serialization/deserialization.
  • Build and support an API interface to allow other developer teams and user code to requirements to integrate backend data streams into a front end.

Required Qualifications:
  • Active Top Secret (TS) clearance (TS/SCI preferred)
  • Bachelor's degree in Computer Science or a related technical field.
  • At least 8 years of experience in Front-end development (10+ years preferred)
  • Strong development experience in JavaScript and modern front-end frameworks (React, Angular, or Vue)
  • Hands-on experience writing middleware layers using Protobuf.
  • Experience connecting to and managing data streams such as Apache Kafka, RabbitMQ, ActiveMQ, or ZeroMQ.
  • Experience developing, supporting and maintaining API's.
  • Experience developing geospatial UI designs, mapping interfaces, or working with GIS data formats.
  • Proficiency with GitLab or similar version control platforms

Nice to have:
  • Experience supporting U.S. Army, NGA, DoD, or mission-focused programs
  • Experience with AMQP/MQTT, Data Distribution Services, gRPC, FlatBuffers, Avro,
  • Experience with Cesium JS, Open Layers, Leaflet, Mapbox, WebGL

ESC offers a competitive compensation package that includes premium health, dental, and vision insurance, a 401(k) plan with company match, life insurance, short- and long-term disability coverage, and more. We also prioritize work-life balance, supporting our team in maintaining a healthy blend of professional and personal well-being.
PAY TRANSPARENCY NONDISCRIMINATION PROVISION
Eiden Systems Consulting (ESC) is an equal opportunity employer and is committed to creating an inclusive and respectful workplace. ESC does not discriminate against any employee or applicant based on age, color, disability, gender, national origin, race, religion, sexual orientation, veteran status, or any other classification protected by federal, state, or local law.
In accordance with 41 CFR 60-1.35(c), ESC will not discharge or otherwise discriminate against employees or applicants for discussing, disclosing, or inquiring about their own pay or the pay of another employee or applicant. However, employees who have access to compensation information as part of their essential job functions may not disclose the pay of others to individuals who do not have authorized access-unless such disclosure is made (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or legal action (including those conducted by ESC), or (c) as otherwise required by law.

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