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Software Development Engineer 3 Jobs in Virginia

Software Engineer III

Chantilly, VA · On-site

$116 - $176/hr

Software Engineer III Description Who We Are Textron Systems is part of Textron, a $14 billion ... We are looking for talented and innovative software development professionals to join our team and ...

Software Engineer III

Reston, VA · On-site +1

$59.75 - $80.25/hr

As a Software Engineer III, you'll independently deliver high-quality work and drive projects and ... Support the development and maintenance of CI/CD pipelines and automated deployment processes

Software Engineer III (S)

Virginia Beach, VA · On-site

$54.50 - $73.25/hr

They are seeking a Software Engineer III who will be responsible for independently executing software design and development tasks, leading agile teams, and mentoring junior staff while developing ...

The SDET will develop test automation for integration, regression, and functional testing for systems to ensure compliance with system requirements and Navy Federal business practices and policies.

New

Showing results 21-40

Software Development Engineer 3 information

What are the roles and responsibilities of a Software Development Engineer 3?

A Software Development Engineer 3 (SDE3) is a senior-level software engineer responsible for designing, developing, and maintaining complex software systems. They often lead technical initiatives, mentor junior engineers, and contribute to architectural decisions. SDE3s are expected to have deep expertise in their technology stack, strong problem-solving skills, and the ability to drive projects from conception to deployment. They collaborate with cross-functional teams to deliver high-quality software solutions and may also participate in code reviews and technical interviews.

What skills and qualifications are needed to thrive as a Software Development Engineer 3?

To thrive as a Software Development Engineer 3, you need advanced proficiency in programming languages like Java, Python, or C++, strong problem-solving abilities, and a bachelor’s degree in computer science or related field. Experience with version control systems (e.g., Git), cloud platforms (e.g., AWS or Azure), and familiarity with CI/CD pipelines and relevant certifications are often required. Effective communication, leadership, and collaboration skills help in mentoring junior engineers and working within agile teams. These competencies enable you to deliver robust software solutions, drive technical excellence, and contribute to both team and organizational success.

How does a Software Development Engineer 3 typically collaborate with cross-functional teams during the software development lifecycle?

As a Software Development Engineer 3, you will often work closely with product managers, quality assurance engineers, UX designers, and other developers to ensure alignment on project goals and technical requirements. Collaboration usually involves participating in sprint planning, code reviews, and design discussions, as well as providing mentorship to junior engineers. This level of engagement fosters a deeper understanding of the product and helps deliver high-quality software solutions that meet user and business needs.

What is a Software Development Engineer 3?

A Software Development Engineer 3 (SDE 3) is a senior-level software engineer responsible for designing, developing, and maintaining complex software systems. They typically have several years of experience, strong coding skills in languages like Java or C++, and expertise in system architecture and problem-solving. SDE 3 roles often involve mentoring junior engineers and leading technical projects.

What are popular job titles related to Software Development Engineer 3 jobs in Virginia?

For Software Development Engineer 3 jobs in Virginia, the most frequently searched job titles are:

What job categories do people searching Software Development Engineer 3 jobs in Virginia look for?

The top searched job categories for Software Development Engineer 3 jobs in Virginia are:

What cities in Virginia are hiring for Software Development Engineer 3 jobs?

Cities in Virginia with the most Software Development Engineer 3 job openings:

Infographic showing various Software Development Engineer 3 job openings in Virginia as of August 2026, with employment types broken down into 78% Full Time, and 22% Contract. Highlights an 90% In-person, and 10% Remote job distribution.

Software Development Engineer (SDET)

System One

Merrifield, VA • On-site

$49.75 - $64.25/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 11 days ago


Job description

Job Title: Senior Software Development Engineer (SDET) Location: Hybrid Work Model Reporting to Vienna, VA, Pensacola, FL, San Diego, CA Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract

Responsibilities

  • Work with engineers to troubleshoot and remediate automation issues in testing and deploying environments
  • Work alongside developers as well as the business stakeholders and strive to automate the acceptance criteria
  • Understand, and implement agile development methodologies while working with teams using the Sprint/Scrum methodology of agile
  • Understand project documents, customer demands, and product objectives to create and execute test cases
  • Test complex API, web and mobile based applications that reference database back-end systems
  • Support non-functional requirements such as, performance testing
  • Set up, maintain, and perform test automation frameworks on multiple application platforms, such as Mobile, Desktop, and Web, and building test scenarios and acceptance tests
  • Participate in all agile ceremonies (standups, planning, backlog refinement, reviews, etc.) ensuring QA and testing is continuously represented and effectively incorporated into all aspects of the project
  • Own end-to-end test strategy, analyze requirements, build test plan, design test cases and implement test automation for applications of moderate to high complexity
  • Manage the final quality on production release
  • Develop, execute, and maintain automation test scripts to meet software release deliverables, project testing requirements and other quality considerations
  • Develop smoke, functional, regression, and integration test suites for UI, API Services, and databases
  • Develop and execute manual test cases to detect issues that cannot be detected through automated means (when needed)
  • Design customer centric automation test processes for all existing and new product development
  • Apply a strong understanding of software testing/delivery to build and maintain automated test harnesses and test suites using scripting languages and industry tools
  • Ability to advocate for Improvements in automation engineering efforts to the executive management team

Requirements

  • At least 5 years overall SDET and/or development hands on experience
  • At least 2 years of mobile apps test automation experience in Android and/or iOS, Web, API
  • At least 4 years of professional experience in software test automation, including creation and deployment of frameworks and design and maintenance of test automation
  • At least 2 years of API Automation Testing
  • Experience with agile development methodology
  • Experience with Cl/CD pipelines using tools such as GitHub, Jenkins, JUnit, Selenium, Cucumber, etc.
  • Experience with Test Driven Development (TDD), BDD Behavior Driven Development, and Agile (XP)
  • Experience with Test processes, open-source test frameworks, test design strategies, writing test cases, and automating tests in Java with frameworks like JUnit/TestNG, Selenium, JMeter and Appium
  • Experience working with a ticketing system such as Service Now or Jira
  • Hands on experience with any cloud technology platforms, preferably Microsoft Azure
  • Must have hands on experience in Selenium Scripting, and SQL querying
  • Must have hands on experience utilizing cloud hosted testing platforms such as Perfecto
  • Proficient in debugging issues
  • Proficient in Java
  • Proficient in writing functional automation (UI/API)
  • Solid foundation in data structures, algorithms, design patterns and strong analytical and problem-solving skills
  • Working knowledge of Pull requests, code reviews, etc.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M1 #LI-CB3 Ref: #851-Rockville-S1