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Full Time Senior Software Developer Jobs in Washington

DMI

Senior Software Developer

Washington, DC · On-site

$61.50 - $81.25/hr

The Senior Software Developer designs, develops, and maintains enterprise software applications across NTSB's Microsoft-centric, Azure-hosted environment, contributing independently across the full ...

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 ...

Redhorse Corporation

Senior Software Developer

Arlington, VA · On-site

$62.75 - $83/hr

They are seeking a Senior Software Developer to lead the evolution of the DOJ National Classified Services application stack, focusing on the re-development of custom applications and ensuring secure ...

Leidos

Senior Software Developer

Gaithersburg, MD

$59 - $77.75/hr

Leidos Digital Modernization sector is seeking an experienced Senior Software Developer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across ...

Leidos

Senior Software Developer

Alexandria, VA

$58.25 - $77/hr

Leidos Digital Modernization sector is seeking an experienced Senior Software Developer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across ...

Leidos

Senior Software Developer

Alexandria, VA · On-site

$58.25 - $77/hr

Leidos Digital Modernization sector is seeking an experienced Senior Software Developer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across ...

Leidos

Senior Software Developer

Alexandria, VA · On-site

$58.25 - $77/hr

Leidos Digital Modernization sector is seeking an experienced Senior Software Developer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across ...

Leidos

Senior Software Developer

Gaithersburg, MD

$59 - $77.75/hr

Leidos Digital Modernization sector is seeking an experienced Senior Software Developer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across ...

Leidos

Senior Software Developer

Alexandria, VA

$58.25 - $77/hr

Leidos Digital Modernization sector is seeking an experienced Senior Software Developer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across ...

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

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

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;

VTG

Senior Software Developer

Herndon, VA · On-site

$56 - $74/hr

Overview We are seeking a versatile Senior Software Developer with expertise in secure software engineering. The ideal candidate will combine technical proficiency in development tools and ...

VTG

Senior Software Developer

Herndon, VA · On-site

$56 - $74/hr

Overview We are seeking a versatile Senior Software Developer with expertise in secure software ... UNAVAILABLEEmployment Type: FULL_TIME

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

A Full Time Senior Software Developer requires advanced programming skills, deep understanding of software architecture, and several years of experience, often supported by a degree in computer science or related certifications. Expertise with development tools, version control systems (like Git), CI/CD pipelines, and proficiency in relevant frameworks and languages are typically expected. Strong problem-solving, leadership, and communication skills help in mentoring junior developers and collaborating across teams. These competencies enable the delivery of robust, scalable solutions and foster innovation within software projects.

What opportunities for mentorship and leadership can a Full Time Senior Software Developer expect within a typical software development team?

As a Full Time Senior Software Developer, you are often expected to mentor junior developers, participate in code reviews, and lead technical discussions. Many organizations encourage senior developers to take ownership of projects, contribute to architectural decisions, and guide the team through complex technical challenges. This role provides a strong platform for developing leadership skills, with potential pathways to roles such as Technical Lead or Engineering Manager. Collaboration with cross-functional teams—including product managers, designers, and QA engineers—is also a significant aspect of the daily workflow.

What are Full Time Senior Software Developers?

Full Time Senior Software Developers are experienced professionals responsible for designing, developing, and maintaining complex software applications. They typically lead development teams, mentor junior developers, and make key technical decisions. In addition to coding, they collaborate with stakeholders to define requirements, ensure best practices, and solve challenging technical problems. These roles usually require several years of experience and advanced knowledge of programming languages, software architecture, and development methodologies.

Is it possible to make 300K as a software engineer?

Senior software developers with extensive experience, specialized skills, and working in high-paying industries or companies can reach or exceed a $300,000 annual salary, especially with bonuses and stock options. Achieving this level often requires expertise in areas like cloud computing, machine learning, or leadership roles, and may involve working in competitive markets or at large tech firms.
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Infographic showing various Full Time Senior Software Developer job openings in Washington as of May 2026, with employment types broken down into 35% Full Time, 11% Part Time, 5% Temporary, and 49% Contract. Highlights an 93% Physical, and 7% Remote job distribution.

Senior Software Developer

DMI

Washington, DC • On-site

$61.50 - $81.25/hr

Full-time

Posted 3 days ago

Job description

Job Summary:
DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. The Senior Software Developer designs, develops, and maintains enterprise software applications across NTSB's Microsoft-centric, Azure-hosted environment, contributing independently across the full development lifecycle.
Responsibilities:
• Design and develop ASP.NET Core web APIs and web-component-based user interfaces using .NET Core MVC frameworks in C#
• Build and maintain enterprise applications including full-stack .NET solutions using JavaScript, JSON, HTML5, and CSS
• Design and manage databases in MS SQL Server, including schema design, query optimization, and performance tuning
• Integrate applications with Azure infrastructure components, Azure DevOps pipelines, and SAML/OKTA authentication services
• Support and maintain existing production applications built on frameworks including Google Polymer, React JS, Quartz.NET, jQuery, and Bootstrap
• Participate in code reviews, establish development standards, and guide junior developers
• Develop and maintain applications in Microsoft Azure DevOps, following CI/CD best practices
• Collaborate with database administrators, system administrators, and program managers to deliver integrated solutions
• Produce technical documentation, including design specifications and API documentation
Qualifications:
Required:
• BS. or M.A. in Computer Science, Software Engineering, Information Technology, or a related field, with at least 10 years of software development experience, including 3 years in an agile environment
• Proficiency in ASP.NET Core, .NET Core MVC, C#, MS SQL Server, and web technologies including HTML5, CSS, JavaScript, and JSON
• Familiarity with Azure-hosted application environments and Microsoft Azure DevOps
• Must possess or be eligible to obtain and successfully complete a Public Trust background investigation and/or a Public Trust clearance
• Must be a U.S. Citizen
Company:
DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network operations, and application development. Founded in 2002, the company is headquartered in Bethesda, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

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