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Intermediate Software Engineer Jobs in Washington

Belay Technologies

Senior Software Engineer

Columbia, MD · On-site

$119K - $157K/yr

They are seeking a Senior Software Engineer to join their Mission Intelligence team, where the ... intermediate Linux System Administration tasks • Willingness to contribute to internal and ...

ManTech

Software Engineer

Fort George G Meade, MD · On-site

$141K - $236K/yr

MANTECH seeks an experienced and passionate, career and customer-oriented Software Engineer to join ... Intermediate familiarization for the configuration, orchestration, and development of containerized ...

Belay Technologies

Senior Software Engineer

Columbia, MD · On-site

Confidence with basic to intermediate Linux System Administration tasks * Willingness to contribute ... We hire fully cleared software engineers, web designers, test engineers, systems engineers, systems ...

Leidos

Senior Software Engineer

Alexandria, VA · On-site

$131K - $172K/yr

Current DoD 8570/8140 baseline certification appropriate for Intermediate System Administrator ... Minimum of 6 years of experience in software engineering and development. * Proven experience with ...

Leidos

Senior Software Engineer

Alexandria, VA · On-site

$131K - $172K/yr

Current DoD 8570/8140 baseline certification appropriate for Intermediate System Administrator ... Minimum of 6 years of experience in software engineering and development. * Proven experience with ...

Belay Technologies

Senior Software Engineer

Columbia, MD · On-site

$190K - $240K/yr

Confidence with basic to intermediate Linux System Administration tasks * Willingness to contribute ... We hire fully cleared software engineers, web designers, test engineers, systems engineers, systems ...

Leidos

Senior Software Engineer

Gaithersburg, MD · On-site

$132K - $174K/yr

Current DoD 8570/8140 baseline certification appropriate for Intermediate System Administrator ... Minimum of 6 years of experience in software engineering and development. * Proven experience with ...

Leidos

Senior Software Engineer

Alexandria, VA · On-site

$131K - $172K/yr

Current DoD 8570/8140 baseline certification appropriate for Intermediate System Administrator ... Minimum of 6 years of experience in software engineering and development. * Proven experience with ...

Leidos

Senior Software Engineer

Gaithersburg, MD

$132K - $174K/yr

Current DoD 8570/8140 baseline certification appropriate for Intermediate System Administrator ... Minimum of 6 years of experience in software engineering and development. * Proven experience with ...

Leidos

Senior Software Engineer

Alexandria, VA · On-site

$131K - $172K/yr

Current DoD 8570/8140 baseline certification appropriate for Intermediate System Administrator ... Minimum of 6 years of experience in software engineering and development. * Proven experience with ...

Leidos

Senior Software Engineer

Gaithersburg, MD

$132K - $174K/yr

Current DoD 8570/8140 baseline certification appropriate for Intermediate System Administrator ... Minimum of 6 years of experience in software engineering and development. * Proven experience with ...

Leidos

Senior Software Engineer

Alexandria, VA · On-site

$131K - $172K/yr

Current DoD 8570/8140 baseline certification appropriate for Intermediate System Administrator ... Minimum of 6 years of experience in software engineering and development. * Proven experience with ...

Leidos

Senior Software Engineer

Alexandria, VA · On-site

$131K - $172K/yr

Current DoD 8570/8140 baseline certification appropriate for Intermediate System Administrator ... Minimum of 6 years of experience in software engineering and development. * Proven experience with ...

Toyon Research Corporation

Software Engineer

Ashburn, VA · On-site

$90K - $150K/yr

Build Modern, Mission-Critical Systems with Room to Grow Toyon is seeking an intermediate-level Software Engineer to help design and deliver modern, server-based applications supporting high-impact ...

Toyon

Software Engineer

Ashburn, VA

$90K - $150K/yr

Build Modern, Mission-Critical Systems with Room to Grow Toyon is seeking an intermediate-level Software Engineer to help design and deliver modern, server-based applications supporting high-impact ...

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All JobsIntermediate Software Engineer JobsIntermediate Software Engineer Jobs in Washington

Intermediate Software Engineer information

See Washington salary details

$71.9K

$167.1K

$232.7K

How much do intermediate software engineer jobs pay per year?

As of Jun 10, 2026, the average yearly pay for intermediate software engineer in Washington is $167,085.00, according to ZipRecruiter salary data. Most workers in this role earn between $135,900.00 and $195,900.00 per year, depending on experience, location, and employer.

What does an Intermediate Software Engineer do?

An Intermediate Software Engineer is responsible for designing, developing, testing, and maintaining software applications. They typically have a few years of experience and can work independently on moderately complex tasks, while also collaborating with senior engineers and other team members. Their work might involve writing code, reviewing pull requests, debugging, and participating in code reviews. Intermediate Software Engineers help ensure that software meets quality standards and project requirements while also learning new technologies and best practices.

What types of projects and responsibilities can an Intermediate Software Engineer expect on a typical team?

As an Intermediate Software Engineer, you’ll often work on both new feature development and maintaining existing codebases. You’ll be expected to write clean, efficient code, participate in code reviews, and help troubleshoot issues alongside senior engineers. Collaboration is common—you’ll frequently interact with product managers, QA testers, and other developers to clarify requirements and ensure timely delivery. This role provides a balance of autonomy and mentorship, making it a great opportunity to broaden your technical skills while contributing meaningfully to team objectives.

What are the key skills and qualifications needed to thrive as an Intermediate Software Engineer, and why are they important?

To thrive as an Intermediate Software Engineer, you need proficiency in programming languages (such as Python, Java, or JavaScript), solid problem-solving abilities, and a relevant degree or equivalent experience. Experience with version control systems (like Git), familiarity with development frameworks, and sometimes certifications in cloud technologies or agile methodologies are valuable. Strong collaboration, communication, and adaptability help you contribute effectively to team projects and navigate shifting priorities. These technical and soft skills ensure you can deliver reliable code, work productively within teams, and adapt to evolving project requirements.

What is the difference between Intermediate Software Engineer vs Junior Software Developer?

AspectIntermediate Software EngineerJunior Software Developer
Required Experience2-4 years0-2 years
SkillsProficient in multiple programming languages, problem-solving, and system designBasic coding skills, understanding of programming fundamentals
Work EnvironmentCollaborates on complex projects, may mentor juniorsFocuses on learning, executing assigned tasks
ResponsibilitiesDesigns components, troubleshoots issues, contributes to architectureImplements features, fixes bugs, learns best practices

The Intermediate Software Engineer typically has more experience and takes on more complex tasks than a Junior Software Developer. They are expected to work independently on parts of projects and contribute to system design, whereas juniors focus on learning and executing basic tasks. This distinction helps employers identify the right level of expertise needed for specific roles.

What are the most commonly searched types of Software Engineer jobs in Washington? The most popular types of Software Engineer jobs in Washington are:
Intermediate Software Engineer jobs near you

Software Engineer, Intermediate (Tester)

Amentum

Vienna, VA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 13 days ago

Job description

Purpose and Impact:
We are seeking a Tester with emphasis on Automated testing and AI tools.
Work Schedule: 5 days, 8 hours/day
Essential Responsibilities:
  • Use Automated testing tools that government requests, including but not limited to Playwright & TypeScript, Quick Test Professional, Load Runners, Selenium Tool Suite, Team Foundation Server
  • Evaluate, recommend, and implement automated test tools and strategies.
  • Develop, maintain, and upgrade automated test scripts and architectures for application products.
  • Write, implement, and report status for system test cases.
  • Analyze test cases and provide regular progress reports, serve as subject matter specialist, and provide testing knowledge for the support of user requirements of complex to highly complex software hardware applications.
  • Analyze requirements and design test plans to prioritize test activities for each iteration.
  • Provide assistance to the development team for scheduling and maintaining of the resources needed to perform automated testing.
  • Develop, maintain, and execute automated and manual test scripts.
  • Analyze and document test results and recommend user story adjustments.
  • Perform validation after deployment dry run.
  • Perform new functionality and regression testing throughout the sprint cycle, including load testing.
  • Validate proposed system architecture and run test procedures to ensure that the user stories are met.
  • Work with Test Engineer - Intermediate contract staff related to cross-training and knowledge sharing activities.
  • Familiar and proficient Testing software and methodologies and provide recommendations to the government related to production implementation strategies, advanced troubleshooting techniques and root cause analysis.
  • Collaborate with management and IT counterparts to define, refine, and maintain IT testing strategies, ensuring strategies are aligned to the goals of the Agile-Scrum development environment.
  • Design, develop, and maintain automated and manual testing methods to confirm operational software is defect free and design objectives are met.
  • Ensure documented Test processes and procedures are developed and submitted upon request for review by the TSC Enterprise Services group.
  • Test and optimize the functionality of systems, networks, and data.

Minimum Requirements (Knowledge, Skills, and Abilities):
Required Skills & Competencies
  • High competency using Automated Test Tools.
  • Outstanding communication and relationship-building skills.

Security Clearance Required:
  • TS/SCI (Ability and willingness to take a poly)

Minimum Education:
  • Bachelor's degree, Engineering, Technology, or a related field.

Minimum Years of Experience:
  • 3 Years

Preferred Qualifications:
  • Profession in using Automated test tools and develop test scripts

This position is not designated as a safety sensitive position.
As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment. Employment is contingent upon successful completion of the drug screening process. Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum's role as a federal contractor and trusted partner to the US Government.
Other Responsibilities:
Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.
Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.
Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job.
Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.
#javelin
Compensation Details:
US:$130,000 - $140,000
The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
Benefits Overview:
Our health and welfare benefits are designed to support you and your priorities. Offerings include:
  • Health, dental, and vision insurance
  • Paid time off and holidays
  • Retirement benefits (including 401(k) matching)
  • Educational reimbursement
  • Parental leave
  • Employee stock purchase plan
  • Tax-saving options
  • Disability and life insurance
  • Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.
Original Posting:
05/28/2026 - Until Filled
Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

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