Senior Software Development Engineer Jobs in Bethesda, MD
Senior Software Development Engineer jobs in Bethesda, Maryland see strong, consistent demand, concentrated in the Bethesda Metro corridor, the Woodmont Triangle, and the Pike & Rose district across defense technology, federal IT contracting, and biotech. Employers actively hiring include GEICO, Marriott International, and CACI International. See the openings below and apply to the ones that match your experience.
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The Opportunity:
CACI is seeking a highly motivated and independent Software Developer to support an Intelligence Community (IC) customer focused on improving cross IC code sharing and enterprise software efficiency. This role requires a developer who thrives in autonomous environments, excels at creative problem solving, and can apply Agile methodologies within a mission critical setting. You will support software development for websites and web based applications used across the enterprise, ensuring consistent performance, usability, and modernization. You will own the full lifecycle of application development, sustainment, and modernization while collaborating with stakeholders across the organization
Responsibilities:
Manage all aspects of the application lifecycle, including bug fixes, feature enhancements, and long-term sustainment
Design, develop, and modify Enterprise grade software systems with an emphasis on UI/UX and scalable architecture
Produce detailed technical specifications and write high quality, efficient, maintainable code
Reverse engineer existing applications to understand system behavior and dependencies
Implement updates, patches, and modernization efforts to ensure system reliability and performance
Document system architecture, workflows, and development processes for future reference
Provide user support, troubleshoot issues, and deliver timely resolutions
Evaluate modernization paths, including refactoring, re-platforming, or replacing legacy components
Develop visually intuitive, content rich user interfaces with seamless navigation
Analyze customer requirements and determine the most effective technologies and approaches to meet mission needs
Design, build, test, and maintain software applications aligned with customer requirements and enterprise standards
Perform software process management and configuration management throughout the SDLC
Resolve software issues and incorporate enhancements based on user feedback and mission priorities
Support software architecture development, requirements analysis, process execution, and integration of COTS/GOTS tools with both new and legacy systems.
Qualifications:
Required:
Active TS/SCI with Polygraph
Bachelor’s degree and 8+ years of relevant experience; or 10 years with AA/AS; or 12 years with HS diploma
Demonstrated experience working in an Agile/Scrum environment
Strong problem-solving skills and ability to work independently with minimal oversight
Ability to manage multiple aspects of software development, from design to deployment
Strong communication skills for interacting with stakeholders, users, and technical teams
Proven ability to deliver high quality work independently while applying Agile principles.
Experience conducting software demonstrations and presenting technical capabilities
Technical proficiency in: WordPress, SharePoint, JavaScript, HTML/CSS, REST APIs, React and/or Angular
Desired:
Experience using ServiceNow for ticketing, workflow tracking, and Agile/Scrum sprint boards
Experience with AWS services (EC2, S3, CloudFormation, CloudWatch)
Familiarity with Git/GitLab for version control and CI/CD pipelines.
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$103,800 - $218,100See All 28 Senior Software Development Engineer Jobs in Bethesda
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Find JobsSenior Software Development Engineer Job Market in Bethesda
Who's Hiring
- GEICO8

- Marriott International7

- CACI International3

- Westat1

- Peraton1

Top Industries Hiring
- Insurance6
- Technology & Software2
- Retail1
- Human Resources1
- Hospitality & Tourism1
Senior Software Development Engineer Jobs in Bethesda: Frequently Asked Questions
How do I get a senior software development engineer job in Bethesda?
Target Bethesda's dominant hiring sectors: federal defense contractors, health IT firms, and biotech companies clustered near the NIH campus and the Bethesda Metro corridor. Employers here value clearance eligibility, experience with government-compliant software environments, and cloud architecture skills. Candidates who can demonstrate work on large-scale distributed systems or regulated data environments have a clear edge over generalist applicants in this market.
Which companies hire senior software development engineers in Bethesda?
Companies currently hiring senior software development engineers in Bethesda include GEICO, Marriott International, and CACI International, per current listings on Migrate Mate as of July 2026. Bethesda's employer base skews heavily toward federal contractors, health-focused technology firms, and financial services companies with offices along Wisconsin Avenue.
Are there remote senior software development engineer jobs in Bethesda?
Yes, senior software development engineer work is well suited to remote and hybrid arrangements given its desk-based, code-focused nature. About 90% of senior software development engineer openings tied to Bethesda are remote or hybrid as of July 2026, though defense contractor roles often require on-site presence due to clearance requirements. Cloud engineering, application development, and backend roles in Bethesda's commercial health IT sector tend to offer the most remote flexibility.
How can I get a senior software development engineer job in Bethesda with little or no experience?
The most realistic entry path in Bethesda is through junior or associate software engineer roles at federal contractors or health IT firms, many of which hire recent graduates and promote internally. Companies supporting NIH, CMS, or other federal agencies near Bethesda regularly run structured rotational or apprenticeship programs. Building proficiency in Java, Python, or cloud platforms and obtaining a CompTIA Security+ or AWS certification strengthens applications considerably with local employers.
Which industries hire the most senior software development engineers in Bethesda?
Most senior software development engineer openings in Bethesda sit in Insurance, Technology & Software, and Retail, per current listings on Migrate Mate as of July 2026. Bethesda's proximity to major federal health agencies and a dense cluster of defense contractors makes it a sustained hub for software engineering demand across both regulated and commercial sectors.
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