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Senior Software Developer Engineer Jobs in Washington, DC

VTG

Senior Software Developer

Hanover, MD

$54.25 - $71.75/hr

Overview Triaplex, Inc. (A wholly owned subsidiary of VTG) is looking for an Senior Software ... The software engineer will interface with and utilize device drivers from vendor provided SDK to ...

Prescient Edge

Senior Software Developer

Bethesda, MD

$58.25 - $77/hr

Job Title Senior Software Developer Location Bethesda, MD 20800 US (Primary) Category Research, Development, and Engineering Job Type Full-Time Career Level Staff Education Master's Degree Travel ...

Prescient Edge

Senior Software Developer

Bethesda, MD

$58.25 - $77/hr

Job Title Senior Software Developer Location Bethesda, MD 20800 US (Primary) Category Research, Development, and Engineering Job Type Full-Time Career Level Staff Education Master's Degree Travel ...

Black Canyon Consulting

Senior Software Developer

Bethesda, MD · On-site +1

$58.25 - $77/hr

Overview Black Canyon Consulting (BCC) is searching for a Senior Software Developer to support the National Center for Biotechnology Information (NCBI) . This opportunity is full time and onsite at ...

Top Engineer

Senior Software Engineer

Jessup, MD · On-site

$126K - $166K/yr

Senior Software Engineer Step into a high-impact Senior Software Engineer opportunity with a confidential client, where you will help drive meaningful results across Automotive/ Motor Vehicles. This ...

Black Canyon Consulting

Senior Software Developer

Bethesda, MD · On-site

$58.25 - $77/hr

Overview Black Canyon Consulting (BCC) is searching for a Senior Software Developer to support the National Center for Biotechnology Information (NCBI) . This opportunity is full time and onsite at ...

Cortek Inc

Senior Software Developer

Falls Church, VA

$58.25 - $76.75/hr

Senior Software Developer Location: BUMED HQ (DHHQ Facility), 7700 Arlington Blvd, Falls Church, VA 22042 Description: CORTEK is seeking a Senior Software Developer to lead the design and development ...

Cortek Inc

Senior Software Developer

Falls Church, VA · On-site

$58.25 - $77/hr

Senior Software Developer Location: BUMED HQ (DHHQ Facility), 7700 Arlington Blvd, Falls Church, VA 22042 Description: CORTEK is seeking a Senior Software Developer to lead the design and development ...

Cortek Inc

Senior Software Developer

Falls Church, VA

$58.25 - $76.75/hr

Senior Software Developer Location: BUMED HQ (DHHQ Facility), 7700 Arlington Blvd, Falls Church, VA 22042 Description: CORTEK is seeking a Senior Software Developer to lead the design and development ...

ARA

Senior Software Developer

Fort Belvoir, VA · On-site

$61.75 - $81.50/hr

They are seeking a Senior Software Developer to lead a multi-disciplinary team in delivering software for the DoD, focusing on data analysis tools and collaboration systems while working in Agile ...

Leidos

Sr. Software Developer

Alexandria, VA · On-site

$58.25 - $77/hr

We have an exciting opportunity for an experienced Sr. Software Engineers to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology in Annapolis Junction, MD;

Leidos

Sr. Software Developer

Alexandria, VA

$58.25 - $77/hr

We have an exciting opportunity for an experienced Sr. Software Engineers to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology in Annapolis Junction, MD;

Leidos

Sr. Software Developer

Annapolis Junction, MD

$60 - $79/hr

We have an exciting opportunity for an experienced Sr. Software Engineers to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology in Annapolis Junction, MD;

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All JobsSenior Software Developer Engineer JobsSenior Software Developer Engineer Jobs in Washington, DC

Senior Software Developer Engineer information

See Washington, DC salary details

$17

$69

$99

How much do senior software developer engineer jobs pay per hour?

As of Jun 23, 2026, the average hourly pay for senior software developer engineer in Washington, DC is $69.65, according to ZipRecruiter salary data. Most workers in this role earn between $59.13 and $78.12 per hour, depending on experience, location, and employer.

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

A Senior Software Developer Engineer requires advanced programming skills, deep understanding of software architecture, and several years of experience with a relevant degree in computer science or a related field. Familiarity with modern development frameworks, version control systems like Git, and certifications such as AWS Certified Developer or Microsoft Certified: Azure Developer Associate are often expected. Strong problem-solving abilities, effective communication, and leadership skills help in mentoring teams and collaborating on complex projects. These competencies ensure high-quality software delivery, efficient teamwork, and innovation within dynamic tech environments.

What are Senior Software Developer Engineers?

Senior Software Developer Engineers are experienced professionals who design, develop, and maintain complex software systems. They lead technical projects, mentor junior developers, and collaborate with cross-functional teams to deliver high-quality solutions. Their responsibilities often include architecting software, reviewing code, ensuring best practices, and troubleshooting critical issues. Senior developers play a key role in shaping technical strategies and guiding the overall direction of software projects.

What are some common challenges faced by Senior Software Developer Engineers when leading project teams?

Senior Software Developer Engineers often encounter challenges such as balancing technical leadership with hands-on coding, managing cross-functional communication, and aligning team members with project goals. They may also need to mentor junior developers while ensuring code quality and timely delivery of features. Navigating competing priorities and rapidly changing requirements requires strong problem-solving skills and adaptability, as well as effective collaboration with project managers, designers, and QA teams.

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

AspectSenior Software Developer EngineerSoftware Developer
Required CredentialsBachelor's degree in CS or related field; 3+ years experience; sometimes certifications like Microsoft or AWSBachelor's degree in CS or related field; 0-2 years experience; certifications are optional
Work EnvironmentTeam lead roles, project planning, mentoringDevelopment tasks, coding, testing
Employer & Industry UsageTech companies, software firms, startupsSame as Senior Software Developer Engineer

The main difference is experience level and responsibilities. Senior Software Developer Engineers typically have more experience, take on leadership roles, and mentor junior developers, while Software Developers focus on coding and implementing features. Both roles are essential in software development teams, but the senior position involves more strategic and supervisory duties.

What are the most commonly searched types of Software Developer Engineer jobs in Washington, DC? The most popular types of Software Developer Engineer jobs in Washington, DC are:
Senior Software Developer Engineer jobs near you
Infographic showing various Senior Software Developer Engineer job openings in Washington, DC as of June 2026, with employment types broken down into 97% Full Time, 1% Part Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $144,879 per year, or $69.7 per hour.
Sr. Software Developer

Sr. Software Developer

Seneca Resources Company, LLC

Washington, DC • On-site

$61.75 - $81.50/hr

Contractor

Medical, Dental, Vision, Retirement

Posted 20 days ago

Job description

Location: Washington, DC (Hybrid/On-Site as Required)
Clearance Requirement: Ability to obtain and maintain a Public Trust, Secret, or higher clearance as required by the customer
Position Overview:
  • We are seeking a highly skilled Senior Software Developer to support the design, development, modernization, and sustainment of mission-critical applications for a federal government customer.
  • The successful candidate will serve as a technical leader responsible for developing secure, scalable, and resilient enterprise solutions while supporting Agile and DevSecOps initiatives across the software development lifecycle.
  • This role requires extensive experience building and maintaining complex enterprise applications in federal environments, with a strong focus on secure coding practices, application security, continuous integration and delivery (CI/CD), and compliance with federal cybersecurity requirements.
  • The Senior Software Developer will collaborate with architects, cybersecurity professionals, product owners, and stakeholders to deliver innovative solutions that advance the customer's mission.

Key Responsibilities:
  • Design, develop, test, deploy, and maintain complex enterprise applications and services supporting federal business and mission operations.
  • Lead full-stack software development efforts using modern programming languages, frameworks, APIs, and cloud-native technologies.
  • Implement secure coding practices and application security controls throughout the software development lifecycle.
  • Integrate cybersecurity requirements and DevSecOps principles into application design, development, testing, and deployment processes.
  • Develop and maintain CI/CD pipelines to support automated build, testing, security scanning, and deployment activities.
  • Conduct code reviews and mentor junior developers to ensure adherence to development standards and best practices.
  • Support application modernization initiatives, including migration of legacy systems to modern architectures and platforms.
  • Collaborate with security teams to address vulnerabilities identified through static code analysis, dynamic testing, and penetration testing activities.
  • Ensure applications comply with federal security requirements, including secure software development frameworks and industry best practices.
  • Participate in Agile ceremonies, including sprint planning, backlog refinement, daily standups, and retrospectives.
  • Develop and maintain technical documentation, system designs, interface specifications, and operational procedures.
  • Troubleshoot and resolve complex application issues in development, test, and production environments.
  • Support Governance, Risk, and Compliance (GRC) and cybersecurity platform integrations where applicable.

Required Qualifications:
  • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related technical field. Additional relevant experience may be substituted for education requirements.
  • Minimum of 7 years of software development experience supporting enterprise applications.
  • Minimum of 5 years of experience supporting federal IT systems and environments.
  • At least 8 years of experience designing, developing, and maintaining highly complex applications in enterprise environments.Strong experience with:
  • Full-stack application development
  • Secure coding methodologies
  • Application security and vulnerability remediation
  • Agile software development
  • DevSecOps practices and automation
  • Enterprise application architecture and integration
  • RESTful APIs and microservices
  • Source control and CI/CD platforms
  • Experience implementing and supporting secure software development practices aligned with federal cybersecurity requirements.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Excellent written and verbal communication skills.

Required Certifications:
  • Certified Scrum Developer (CSD) or equivalent Agile development certification.

Preferred Qualifications:
  • Experience supporting federal cybersecurity, risk management, or compliance initiatives.
  • Knowledge of OWASP Top 10, Secure Software Development Framework (SSDF), NIST guidance, and application security best practices.
  • Experience with cloud platforms such as AWS, Azure, or Google Cloud.
  • Experience developing and integrating Governance, Risk, and Compliance (GRC) platforms and cybersecurity tools.
  • Experience with containerization technologies such as Docker and Kubernetes.
  • Familiarity with automated testing, static code analysis, and security scanning tools.
  • Experience supporting Authority to Operate (ATO) processes and secure federal system deployments.

Experience with one or more of the following is highly desirable:
  • Java, C#, Python, JavaScript, TypeScript
  • React, Angular, Vue.js
  • .NET, Spring Boot, Node.js
  • Git, GitLab, GitHub, Azure DevOps
  • Jenkins, GitHub Actions, Azure Pipelines
  • Docker, Kubernetes, OpenShift
  • SQL and NoSQL databases
  • AWS, Azure, or hybrid cloud environments

Pay Rate: $80-$90.00/hr
About Seneca Resources:
At Seneca Resources, we are more than just a staffing and consulting firm; we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.
When you work with Seneca, you're choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. We take the time to understand your goals and match you with roles that align with your skills and career path. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way.
Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.

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