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Sr Software Developer Jobs in Washington (NOW HIRING)

Senior Software Developer

Washington, DC · On-site

$141K - $156K/yr

Everforth ECS Federal is seeking a Senior Software Developer to support a mission-focused federal IT program in Washington DC . Please Note: This position is contingent upon contract award. Salary ...

Senior Software Developer

Hyattsville, MD · On-site

$54.75 - $72.25/hr

Role Overview - Senior Software Developer Reporting to engineering leadership, the Senior Software Developer will be a core contributor to one or more product squads or platform teams. This role ...

Senior Software Developer

Hyattsville, MD · On-site

$54.75 - $72.25/hr

Role Overview - Senior Software Developer Reporting to engineering leadership, the Senior Software Developer will be a core contributor to one or more product squads or platform teams. This role ...

Senior Software Developer

Herndon, VA · On-site

$56 - $74/hr

Senior Software Developer National Capital Region TS/SCI Polygraph | Hybrid (Remote with Occasional On-Site) | Immediate Hire Join Synertex and bring your expertise to a mission that matters. We're ...

Senior Software Developer

Herndon, VA · On-site +1

$56 - $74/hr

Senior Software Developer National Capital Region TS/SCI Polygraph | Hybrid (Remote with Occasional On-Site) | Immediate Hire Join Synertex and bring your expertise to a mission that matters. We're ...

Senior Software Developer

Bethesda, MD · On-site

$130K - $180K/yr

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 ...

Senior Software Developer

Fort George G Meade, MD · On-site

$60.75 - $80.25/hr

Salary: 200-220k WITS is seeking a Senior Software Developer with mid-tier, backend, and some frontend experience. The candidate must be able to work with a small team of developers with similar ...

Salary: 200-220k WITS is seeking a Senior Software Developer with mid-tier, backend, and some frontend experience. The candidate must be able to work with a small team of developers with similar ...

Senior Software Developer

Fairfax, VA · On-site

$55.75 - $73.50/hr

Role: Senior Software Developer Location: Onsite- Fairfax, VA 3 Days and in Washington, DC 2 Days per Week. Duration: Long Term Contract Position Require a Secret Clearance The Senior Software ...

Senior Software Developer

Linthicum, MD · On-site

$53.50 - $70.50/hr

The Senior Software Developer will join a multi-disciplinary team of subject matter experts supporting the U.S. Air Force Cyber Capabilities Support Office and U.S. Cyber Command Cyber Mission Forces.

Sr Software Developer

Annapolis Junction, MD · On-site

$55.75 - $73.50/hr

ELEVI Associates is seeking a Sr Software Developer with extensive experience in software engineering. The role involves supporting the modernization of malware analysis, developing techniques for ...

Sr Software Developer

Annapolis Junction, MD · On-site

$55.75 - $73.50/hr

ELEVI Associates is seeking a Senior Software Developer to join their Software Development & Engineering team. The role involves supporting the modernization of malware analysis and developing ...

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 ...

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 ...

Sr Software Developer

Annapolis Junction, MD · On-site

$55.75 - $73.50/hr

ELEVI Associates is seeking a Sr Software Developer to join their team. The role involves supporting the modernization of malware analysis and developing techniques for metadata storage to enhance ...

Sr. Software Developer

Gaithersburg, MD · On-site

$124K - $186K/yr

YOUR IMPACT Senior Software Developer role at OpenText is more than just a job, it's an opportunity to impact lives. As a key contributor, you'll be instrumental in designing, developing, and ...

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Sr Software Developer information

See Washington salary details

$17

$69

$99

How much do sr software developer jobs pay per hour?

As of Aug 4, 2026, the average hourly pay for sr software developer in Washington is $69.92, according to ZipRecruiter salary data. Most workers in this role earn between $59.38 and $78.41 per hour, depending on experience, location, and employer.

What are some typical challenges Sr software developers face when leading project teams, and how can they effectively manage them?

Sr Software Developers often encounter challenges such as balancing coding responsibilities with mentoring junior team members, aligning technical solutions with business goals, and managing project timelines across cross-functional teams. Effective management involves clear communication, setting realistic expectations, and fostering a collaborative environment where team members can share ideas and resolve issues quickly. Leveraging agile methodologies and regular code reviews can also help maintain project momentum and ensure high-quality deliverables.

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

AspectSr Software DeveloperSoftware Engineer
Required CredentialsBachelor's degree in CS or related field; experience often preferredBachelor's or higher in CS or related field; certifications optional
Work EnvironmentDevelops software, collaborates with teams, and mentors junior staffDesigns, develops, tests, and maintains software applications
Employer & Industry UsageUsed across tech companies, startups, and enterprise firmsCommon in software development firms, tech companies, and IT departments

Both roles involve software development, but Sr Software Developers typically have more experience, leadership responsibilities, and mentorship duties. Software Engineers focus on designing and building software solutions, often with a broader scope. The roles overlap significantly, but the seniority and leadership aspect distinguish the Sr Software Developer from a general Software Engineer.

What do senior software developers do?

Senior software developers design, develop, and maintain software applications, often leading projects and mentoring junior team members. They analyze user requirements, write clean code, perform testing, and collaborate with cross-functional teams to ensure software quality and performance. Proficiency in programming languages, problem-solving skills, and experience with development tools are essential for this role.

What is a Sr software developer?

Sr Software Developers are experienced professionals responsible for designing, developing, and maintaining complex software applications. They typically lead technical teams, make architectural decisions, and mentor junior developers. Their role often involves collaborating with stakeholders to define requirements, ensuring code quality, and staying updated with emerging technologies. Senior developers play a crucial part in the software development lifecycle, helping to deliver robust and scalable solutions.

What are the key skills and qualifications needed to thrive as a Sr software developer?

To thrive as a Sr Software Developer, you need advanced proficiency in programming languages (such as Java, Python, or C#), software architecture, and a bachelor's or master’s degree in computer science or a related field. Familiarity with development tools like Git, integrated development environments (IDEs), cloud platforms, and relevant certifications (e.g., AWS Certified Developer) are typically expected. Strong problem-solving, leadership, collaboration, and communication skills help you mentor junior developers and work effectively within teams. These abilities are crucial to building robust software solutions, driving technical excellence, and ensuring successful project delivery.
What cities in Washington are hiring for Sr Software Developer jobs? Cities in Washington with the most Sr Software Developer job openings:
Infographic showing various Sr Software Developer job openings in Washington as of July 2026, with employment types broken down into 82% Full Time, 5% Part Time, 1% Temporary, and 12% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $145,425 per year, or $69.9 per hour.

Senior Software Developer

ECS

Washington, DC • On-site

$141K - $156K/yr

Full-time

Re-posted 24 days ago


Job description

Everforth ECS Federal is seeking a Senior Software Developer to support a mission-focused federal IT program in Washington DC.
Please Note: This position is contingent upon contract award.
Salary Range: $141,000 - $156,000
Join Everforth ECS Federal to build and modernize applications that support key federal law enforcement and national security missions. You will work in a collaborative environment where secure software delivery has direct mission impact and where modern development practices help strengthen mission performance, usability, and operational effectiveness.
The Senior Software Developer will develop, test, secure, integrate, and maintain enterprise applications using modern programming languages, frameworks, APIs, and CI/CD practices. This role provides senior-level application development support for mission systems operating in secure federal environments.
The Senior Software Developer will design, code, test, debug, integrate APIs, support CI/CD pipelines, perform code reviews, resolve production issues, and apply secure coding practices throughout the software development lifecycle. This position will work closely with product owners, business analysts, QA engineers, cybersecurity teams, DevSecOps personnel, and customer stakeholders to deliver reliable, secure, and mission-aligned software solutions.
This role requires a hands-on senior technical professional with experience developing enterprise applications, supporting Agile or DevSecOps delivery, troubleshooting application issues, and maintaining secure, high-quality code. The ideal candidate will bring strong problem-solving skills, technical judgment, documentation discipline, and the ability to collaborate across technical and mission teams in a classified or sensitive federal IT environment.
  • Minimum 7 years software development experience
  • Java, .NET, Python, JavaScript, or similar experience
  • Experience with source control and software lifecycle practices.