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Senior Software Engineer Jobs in Gaithersburg, MD

Gridpoint

Senior Software Engineer

Reston, VA

$127K - $168K/yr

The Senior Software Engineer shall perform with a high degree of independence and expertise to implement solutions for a variety of complex software products/features... both wholly new efforts and ...

Systek

Senior Software Engineer

Hanover, MD · On-site

$120K - $159K/yr

SENIOR SOFTWARE ENGINEER The company is seeking a Senior Software Engineer to provide SETA support in Hanover, MD. RESPONSIBILITIES * Design, develop and install software solutions. * Build high ...

PEMCCO, Inc.

Senior Software Engineer

Washington, DC · On-site

$68.43 - $112.91/hr

PEMCCO is seeking a Senior Software Engineer to provide technical leadership in the design, development, integration, testing, and sustainment of software applications and systems supporting critical ...

PEMCCO

Senior Software Engineer

Washington, DC · On-site

$142.33 - $234.85/hr

PEMCCO is seeking a Senior Software Engineer to provide technical leadership in the design, development, integration, testing, and sustainment of software applications and systems supporting critical ...

Gridpoint

Senior Software Engineer

Reston, VA · On-site

$127K - $168K/yr

The Senior Software Engineer shall perform with a high degree of independence and expertise to implement solutions for a variety of complex software products/features... both wholly new efforts and ...

PEMCCO

Senior Software Engineer

Washington, DC · On-site

$68.43 - $112.91/hr

PEMCCO is seeking a Senior Software Engineer to provide technical leadership in the design, development, integration, testing, and sustainment of software applications and systems supporting critical ...

PEMCCO, Inc.

Senior Software Engineer

Washington, DC · On-site

$68.43 - $112.91/hr

PEMCCO is seeking a Senior Software Engineer to provide technical leadership in the design, development, integration, testing, and sustainment of software applications and systems supporting critical ...

Wrenchio LLC

Senior Software Engineer

Annapolis Junction, MD · On-site

$134K - $177K/yr

The role of Sr. Software Engineer includes developing, maintaining, and enhancing software systems in accordance with project requirements. Works effectively both independently and collaboratively ...

Refinitiv

Senior Software Engineer

Mclean, VA · On-site

$102.20 - $189.80/hr

Senior Software Engineer** to support our DoD/DoW customers. Software Engineers supporting these efforts work alongside data scientists and data engineers to develop advanced capabilities, prototype ...

MAJUS Consulting

Senior Software Engineer

Washington, DC · On-site

$100K - $160K/yr

As a Senior Software Engineer, you will design, develop, and maintain robust software solutions that meet the highest standards of quality, performance, and security. You will solve complex technical ...

VTG

Senior Software Engineer

Fort George G Meade, MD · On-site

$210K - $250K/yr

The Senior Software Engineer will design, develop, test, integrate, and maintain scalable, highly available software solutions supporting mission-critical environments. This position requires ...

Exiger

Senior Software Engineer

Mclean, VA · Hybrid

$123K - $163K/yr

Senior Software Engineer Location: McLean, VA or Richmond, VA Work Environment: Hybrid Role Sumary: As a Senior Software Engineer at Exiger, you will be responsible for designing and developing ...

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All JobsSoftware Engineer JobsSenior Software Engineer JobsSenior Software Engineer Jobs in Gaithersburg, MD

Senior Software Engineer information

See Gaithersburg, MD salary details

$81.6K

$154.8K

$207.4K

How much do senior software engineer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for senior software engineer in Gaithersburg, MD is $154,820.00, according to ZipRecruiter salary data. Most workers in this role earn between $132,400.00 and $174,500.00 per year, depending on experience, location, and employer.

What is a senior software engineer?

A senior software engineer designs, codes, tests, and maintains computer software. While these are your primary responsibilities as a senior software engineer, you may also have supervisory duties. These include overseeing a team of junior software engineers or developers. The senior software engineer title is sometimes used interchangeably with senior developer, and positions for both may share similar job duties and responsibilities. In general, software engineers are distinguished from developers in that software engineers apply engineering principles to software development.

What are the key skills and qualifications needed to thrive as a senior software engineer, and why are they important?

To thrive as a Senior Software Engineer, you need advanced programming skills, deep understanding of software architecture, and several years of experience in software development, often supported by a relevant degree. Familiarity with tools like Git, CI/CD pipelines, cloud platforms, and expertise in technologies such as Java, Python, or JavaScript are typically required. Leadership, problem-solving, and effective communication are crucial soft skills for mentoring teams and collaborating across departments. These skills ensure the delivery of robust, scalable solutions and drive successful project outcomes in complex technical environments.

What are some common challenges senior software engineers face when mentoring junior team members?

Senior Software Engineers often mentor junior colleagues, which can be incredibly rewarding but also presents challenges. Balancing mentorship with project deadlines can be demanding, as it requires strong time management and communication skills. Additionally, adapting explanations to different learning styles and levels of experience can be tricky. However, effective mentorship helps build a stronger team and can lead to enhanced leadership opportunities for the senior engineer.

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

AspectSenior Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; entry to mid-level experience
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, debugging
Industry UsageUsed across tech companies, startups, enterpriseCommon in software firms, startups, freelance work
Search & ComparisonOften compared for experience level, responsibilitiesCompared for entry-level to mid-level roles

The main difference between a Senior Software Engineer and a Software Developer lies in experience, responsibilities, and scope. Senior Software Engineers typically have more experience, lead projects, and mentor others, while Software Developers focus on coding and feature development. Both roles are essential in tech companies, but the Senior Software Engineer position involves higher-level planning and leadership.

More about Senior Software Engineer jobs

What are the most commonly searched types of Software Engineer jobs in Gaithersburg, MD?

The most popular types of Software Engineer jobs in Gaithersburg, MD are:

What are popular job titles related to Senior Software Engineer jobs in Gaithersburg, MD?

For Senior Software Engineer jobs in Gaithersburg, MD, the most frequently searched job titles are:

What job categories do people searching Senior Software Engineer jobs in Gaithersburg, MD look for?

The top searched job categories for Senior Software Engineer jobs in Gaithersburg, MD are:

What cities near Gaithersburg, MD are hiring for Senior Software Engineer jobs?

Cities near Gaithersburg, MD with the most Senior Software Engineer job openings:

Senior Software Engineer jobs near you
Infographic showing various Senior Software Engineer job openings in Gaithersburg, MD as of August 2026, with employment types broken down into 1% Internship, 83% Full Time, 12% Part Time, and 4% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $154,820 per year, or $74.4 per hour.

Senior Software Engineer

GIGATEC Engineering

Annapolis Junction, MD • On-site

$125K - $165K/yr

Full-time

Re-posted 18 days ago

Job description

Job Summary:
GIGATEC Engineering is seeking a Senior Software Engineer to play a key role in building and sustaining a mission-focused enterprise web application. The position involves collaborating closely with Product Owners, System Engineers, and Software Engineers to design, develop, test, troubleshoot, and enhance critical software capabilities.
Responsibilities:
• As the Senior Software Engineer, you'll play a key role in building and sustaining a mission-focused enterprise web application deployed in a containerized Kubernetes Linux environment.
• This position offers the opportunity to collaborate closely with Product Owners, System Engineers, and Software Engineers to design, develop, test, troubleshoot, and enhance critical software capabilities.
Qualifications:
Required:
• Experience using the Linux CLI and Tool Suite
• Experience developing Bash/Python scripts
• Experience developing with Python in a Linux environment
• Experience with containerization technologies such as Docker
• Familiar with container orchestration technologies such as Kubernetes
• Experience creating Helm Charts to deploy containerized services on Kubernetes
• Experience with SQL technologies such as MySQL
• Experience with designing and implementing REST interfaces
• Experience with CI/CD principles, methodologies, and tools such as GitLab CI
• Experience with Git Source Control System
• Top Secret clearance
• Favorable completion of a polygraph
• Authorized to work in the U.S.
Preferred:
• Experience with the Django Web framework
• Experience with the Celery Task Scheduler
• Experience with NGINX
• Experience with the Atlassian Suite of Tools such as Jira and Confluence
• Experience with AI Development Tools such as Claude Code
• Fluent in sarcasm, kindness, and the occasional office banter
Company:
At GIGATEC, we specialize in engineering advancements across cybersecurity, software development, and systems integration. Founded in 2020, the company is headquartered in Columbia, USA, with a team of 2-10 employees. The company is currently Early Stage.

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