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Sr Software Engineer Full Stack Jobs in Washington

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Sr Software Engineer Full Stack information

What is a Sr Software Engineer Full Stack?

A Sr Software Engineer Full Stack is an experienced developer proficient in both front-end and back-end technologies. They design, build, and maintain complete web applications or systems, handling everything from user interfaces to server-side logic and databases. Senior full stack engineers also mentor junior developers, make architectural decisions, and collaborate closely with teams to deliver robust, scalable software solutions. Their work often involves staying current with new technologies and best practices to ensure high-quality code and efficient development processes.

What are the key skills and qualifications needed to thrive as a Sr Software Engineer Full Stack?

To thrive as a Sr Software Engineer Full Stack, you need advanced proficiency in both front-end and back-end development, strong problem-solving abilities, and typically a degree in computer science or equivalent experience. Expertise in languages like JavaScript, Python, or Java, along with frameworks such as React, Angular, Node.js, and familiarity with cloud platforms and CI/CD tools is essential. Leadership, effective communication, and adaptability are crucial soft skills for collaborating across teams and mentoring junior engineers. These competencies enable the delivery of robust, scalable solutions and drive technical excellence in dynamic development environments.

How does a Sr Software Engineer Full Stack typically collaborate with cross-functional teams during a project?

As a Sr Software Engineer Full Stack, you'll often work closely with product managers, designers, and QA specialists to deliver end-to-end solutions. Collaboration usually involves participating in sprint planning, code reviews, and regular stand-up meetings to ensure alignment on project goals and timelines. You'll also mentor junior engineers and contribute to architectural decisions, fostering a collaborative and growth-oriented team environment. Effective communication and a willingness to bridge gaps between frontend, backend, and other stakeholders are essential to success in this role.

What is the difference between Sr Software Engineer Full Stack vs Software Engineer?

AspectSr Software Engineer Full StackSoftware Engineer
Required CredentialsBachelor's degree in CS or related field; 3+ years experience; proficiency in multiple programming languagesBachelor's degree in CS or related field; 1-3 years experience; proficiency in core programming languages
Work EnvironmentCollaborates across teams, leads projects, and mentors junior staffFocuses on coding, testing, and implementing features under supervision
Employer & Industry UsageUsed in tech companies, startups, and enterprise environmentsCommon entry to mid-level role in software development across industries

The main difference between a Sr Software Engineer Full Stack and a Software Engineer lies in experience, responsibilities, and leadership. Sr Software Engineers typically have more experience, lead projects, and mentor others, while Software Engineers focus on coding and feature development. Both roles require strong technical skills, but the senior role involves more oversight and strategic input.

What cities in Washington are hiring for Sr Software Engineer Full Stack jobs?

Cities in Washington with the most Sr Software Engineer Full Stack job openings:

Infographic showing various Sr Software Engineer Full Stack job openings in Washington as of August 2026, with employment types broken down into 86% Full Time, 9% Part Time, and 5% Contract. Highlights an 85% Physical, 3% Hybrid, and 12% Remote job distribution.

Senior Full Stack Software Engineer with Security Clearance

Washington, DC โ€ข On-site

Zachary Piper Solutions, LLC
IT Servicesย โ€ขย 51 - 200 employees

$140K - $150K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Re-posted 26 days ago


Job description

Zachary Piper Solutions is seeking a Senior Full Stack Software Engineer to support a company focused on federal law enforcement and mission-critical data platforms. This is an on-site role in Washington, D.C. The Senior Full Stack Software Engineer will support the development of their internal system using a modern Postgres/Java/React stack while partnering with an established agile team to deliver MVP capabilities. This is a high-impact opportunity to contribute to a secure, large-scale enterprise platform supporting national security efforts. Responsibilities for the Senior Full Stack Software Engineer include: * Design, develop, test, and maintain scalable front-end and back-end application components
* Integrate system components, enhance existing codebases, and build new custom capabilities
* Participate across the full SDLC including planning, requirements, development, testing, and QA
* Collaborate with Product Owners, Business Analysts, and Test Engineers to deliver features meeting acceptance criteria
* Support CI/CD, application deployments, automation, and adherence to secure coding and accessibility standards
Required Qualifications for the Senior Full Stack Software Engineer include: * 8+ years of full-stack software engineering experience in enterprise environments
* Strong experience with Java, React, JavaScript/TypeScript, SQL, and relational databases (Postgres preferred)
* Experience with REST APIs, GitLab, CI/CD pipelines, containerization, and Agile methodologies
* Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience)
* Active Top Secret security clearance required
Compensation for the Senior Full Stack Software Engineer include: * Salary Range: $140,000 - $150,000 depending on experience
* Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Tuition Reimbursement, Sick leave as required by law
#LI-LT1 #LI-ONSITE Keywords: Senior Software Engineer, Full Stack Developer, Java Developer, React Developer, PostgreSQL, Agile, CI/CD, GitLab, Cloud Engineering, Secure Software Development, Cleared Jobs, Cybersecurity, Enterprise Applications