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Software Developer I Jobs in Washington (NOW HIRING)

Leidos

Software Developer

Gaithersburg, MD · On-site

$69K - $125K/yr

Leidos is seeking Software Developers to join the Air Traffic Business Area within the Homeland ... Knowledge of AI-assisted software development tools and workflows (i.e. Claude Code, Codex, etc.

Leidos

Senior Software Developer

Chantilly, VA · On-site

$107K - $195K/yr

Leidos is seeking a Full Stack Software Developer with expertise in modern front-end development ... Demonstratable working experience with containers (i.e., Docker/Podman) or their orchestration (e.g ...

Leidos

Senior Software Developer

Chantilly, VA

$107K - $195K/yr

Leidos is seeking a Full Stack Software Developer with expertise in modern front-end development ... Demonstratable working experience with containers (i.e., Docker/Podman) or their orchestration (e.g ...

J5 Consulting

Software Developer

Chantilly, VA · On-site

Introduction Software Engineer to support an office that is accountable for clearance processing of ... i.e. unsecure to secure network connections) in conjunction with software. Required Skills and ...

Integral

Software Developer

Mclean, VA · On-site

The Software Developer supports the United States (U.S.) Army C5ISR Center to develop advances ... Possesses any one of the following IAT I Certifications: A+ CE, CCNA-Security, CND, Network+ CE, or ...

J5 Consulting

Software Developer

Chantilly, VA · On-site

Introduction Software Engineer to support an office that is accountable for clearance processing of ... i.e. unsecure to secure network connections) in conjunction with software. Required Skills and ...

Integral

Software Developer

Mclean, VA · On-site

Overview The Software Developer supports the United States (U.S.) Army C5ISR Center to develop ... Possesses any one of the following IAT I Certifications: A+ CE, CCNA-Security, CND, Network+ CE, or ...

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Showing results 1-20

All JobsSoftware Developer I JobsSoftware Developer I Jobs in Washington

Software Developer I information

See Washington salary details

$54.4K

$126.7K

$188K

How much do software developer i jobs pay per year?

As of Jul 13, 2026, the average yearly pay for software developer i in Washington is $126,675.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,900.00 and $147,200.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Software Developer I, and why are they important?

To thrive as a Software Developer I, you need a solid understanding of programming languages (such as Java, Python, or C#), problem-solving skills, and typically a bachelor's degree in computer science or a related field. Familiarity with version control systems (like Git), integrated development environments (IDEs), and basic software development methodologies is important. Strong communication, teamwork, and a willingness to learn help you collaborate effectively and adapt to new challenges. These skills ensure you can contribute to successful software projects and grow within dynamic development teams.

What opportunities for mentorship and skill development are typically available to Software Developer I employees?

As a Software Developer I, you can expect to benefit from structured mentorship programs, code reviews, and regular feedback from more experienced developers on your team. Many companies also provide access to online learning platforms, technical workshops, and internal knowledge-sharing sessions. These resources are designed to help you build your technical skills, understand company-specific processes, and grow your professional network, setting you up for advancement to more senior roles.

What is the difference between Software Developer I vs Software Engineer I?

CriteriaSoftware Developer ISoftware Engineer I
Required CredentialsBachelor's in CS or related field; sometimes certificationsBachelor's in CS or related; certifications less common
Work EnvironmentTeam-based, collaborative projects in tech companiesSimilar environment, often in larger organizations or startups
Employer & Industry UsageUsed across tech, finance, healthcare industriesCommonly used interchangeably with Software Developer in many companies
Search & Comparison IntentOften compared with Software Engineer I for entry-level rolesSimilar entry-level role, slight differences in job scope

Both roles are entry-level software positions with similar educational backgrounds and work environments. The main difference lies in terminology preference; 'Software Developer I' emphasizes coding and development tasks, while 'Software Engineer I' may imply a broader engineering perspective. Companies often use these titles interchangeably, so understanding the specific job description is key.

What are Software Developer I positions?

A Software Developer I is an entry-level professional who designs, develops, tests, and maintains software applications under the guidance of senior developers or team leads. They typically work on coding tasks, debugging, and learning best practices in software development. This role often involves collaborating with team members, writing documentation, and participating in code reviews. It's a starting point for individuals building a career in software engineering.
What cities in Washington are hiring for Software Developer I jobs? Cities in Washington with the most Software Developer I job openings:
Software Developer I jobs near you
Infographic showing various Software Developer I job openings in Washington as of July 2026, with employment types broken down into 82% Full Time, 8% Part Time, 1% Temporary, and 9% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $126,675 per year, or $60.9 per hour.
Senior Software Developer

Senior Software Developer

Lentech Inc.

Fort George G Meade, MD • On-site

Full-time

Re-posted 13 days ago

Job description

Lentech is hiring a SENIOR Software Engineer
Responsibilities:
Performs implementation, regular problem solving, maintenance and support for agile software development to modernize systems. Applies advanced consulting skills and/or extensive technical expertise; full industry knowledge. Develops innovative solutions to complex problems. Works without considerable direction; mentors and may supervise team members. 
Required:
  • Active and current TS.SCI w FSP through MD
  • 14+ years of experience with software engineering, or 18+ years of experience with software engineering in lieu of a degree.
  • Experience in software development with basic programming languages, technologies, tools, or web development stacks, and Java and JavaScript in a Linux environment;
  • Experience writing source code for new applications or generating and enhancing code samples for existing applications;
  • Experience using back-end and front-end languages to develop complete solutions;
  • Experience designing, modifying, developing, writing, and implementing software programming applications using agile methods;
  • Experience creating solutions to complex problems within a collaborative, cross-functional team;
Preferred:
  • Experience with Java libraries to include MongoDB, Spring, and OSGi;
  • Experience with Perl, Python, Lua and NGINX;

Education:
  • Bachelor’s degree in Computer Science 
About Lentech, Inc. 
Lentech, Inc., provides technology-enabled IT Solutions and Mission Technical Solutions to civil, defense and intelligence customers. Through our accumulated years of experience, industry expertise, and strategic partnerships, Lentech has built mission-critical solutions for our federal and commercial customers. Lentech’s clients achieve full life-cycle support and cost-effective managed services supporting enterprise computing and applications initiatives for Government agencies. Lentech’s Mission Technical Solutions Division is focused on providing engineering, operations, I&T and technical services to civil and defense customers primarily in the aerospace fields. 
Lentech, Inc. is a performance-based company providing employees with challenging and interesting work, competitive pay and benefits, and opportunities to learn and grow. We focus on providing an environment of fun, sharing, collaboration and connection. Our culture is team oriented, non-hierarchical and entrepreneurial. It gives people a chance to participate and be a factor in the company’s growth and success. 
Lentech, Inc. is an Equal Employment Opportunity (EEO) employer and considers all qualified applicants for employment without regard to race, color, religion, gender identification, national origin, sexual orientation, age, marital status, disability, protected veteran status, or any other factor prohibited by applicable law. We are proud of the diversity of our staff and seek diversity in our applicants. The proposed salary range for this position is: $220,000 - $233,000

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