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Internal Developer Tools Software Engineer Jobs in Reston, VA

... tools • Support ELES website applications, requiring knowledge of HTML • Employ software engineering techniques and languages including C, C++, Java, JavaScript, PERL, Object-Oriented design ...

... tools • Support ELES website applications, requiring knowledge of HTML • Employ software engineering techniques and languages including C, C++, Java, JavaScript, PERL, Object-Oriented design ...

... tools * Assist with integrating Generative AI technologies into internal and customer-facing ... Bachelor's degree in Computer Science, Software Engineering, Information Systems, Cybersecurity ...

... tools * Assist with integrating Generative AI technologies into internal and customer-facing ... Bachelor's degree in Computer Science, Software Engineering, Information Systems, Cybersecurity ...

New

Software Engineer

Bethesda, MD · On-site

$87.10K - $157.45K/yr

... customer tools and applications. Based in a DevOps framework, this role participates in and/or ... as well as internal equity, alignment with market data, applicable bargaining agreement (if any ...

Software Engineer

Bethesda, MD · On-site

$87.10K - $157.45K/yr

... customer tools and applications. Based in a DevOps framework, this role participates in and/or ... as well as internal equity, alignment with market data, applicable bargaining agreement (if any ...

Software Engineer

Chantilly, VA · On-site

$107.90K - $195.05K/yr

Agile software development and tools like Jira * MySQL database (or similar relational database ... as well as internal equity, alignment with market data, applicable bargaining agreement (if any ...

Software Engineer

Arlington, VA · On-site

$69.55K - $125.73K/yr

Jenkins) Experience with software testing tools and methodology Experience in creating and ... as well as internal equity, alignment with market data, applicable bargaining agreement (if any ...

Software Engineer

Chantilly, VA

$107.90K - $195.05K/yr

Agile software development and tools like Jira * MySQL database (or similar relational database ... as well as internal equity, alignment with market data, applicable bargaining agreement (if any ...

Builds productive internal/external working relationships * Other duties as assigned Basic ... Demonstrated familiarity with source code configuration management tools, such as Git, as well as ...

Builds productive internal/external working relationships * Other duties as assigned Basic ... Demonstrated familiarity with source code configuration management tools, such as Git, as well as ...

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Internal Developer Tools Software Engineer information

See Reston, VA salary details

$30.7K

$104.3K

$251.2K

How much do internal developer tools software engineer jobs pay per year?

As of May 30, 2026, the average yearly pay for internal developer tools software engineer in Reston, VA is $104,312.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,100.00 and $110,300.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Internal Developer Tools Software Engineer, and why are they important?

To thrive as an Internal Developer Tools Software Engineer, you need strong programming skills (often in languages like Python, Java, or Go), expertise in software development processes, and experience with building scalable infrastructure, typically supported by a degree in computer science or related field. Familiarity with CI/CD systems, containerization tools (like Docker and Kubernetes), version control (such as Git), and cloud platforms is usually required. Excellent problem-solving abilities, collaboration, and proactive communication are vital soft skills in this role. These skills and qualities are essential for designing efficient tools that improve developer productivity, streamline workflows, and support organizational engineering goals.

How do Internal Developer Tools Software Engineers typically interact with other development teams within the company?

Internal Developer Tools Software Engineers work closely with a variety of engineering teams to understand their workflows, gather feedback, and identify pain points in the development process. Communication is key, as these engineers often facilitate onboarding, provide training for new tools, and respond to support requests. Collaboration usually involves participating in cross-team meetings, collecting requirements, and iterating on tools based on real-world usage. This close partnership ensures that the tools developed genuinely improve productivity and address the practical needs of their colleagues.

What are Internal Developer Tools Software Engineers?

Internal Developer Tools Software Engineers are specialists who design, build, and maintain software tools that improve the productivity of other developers within an organization. Their work often includes creating build systems, continuous integration pipelines, testing frameworks, and deployment tools. These engineers collaborate closely with development teams to understand their workflows and challenges, then develop solutions that streamline processes, reduce manual work, and enhance code quality. By focusing on internal tooling, they help the whole engineering organization move faster and deliver higher-quality products.

What is the difference between Internal Developer Tools Software Engineer vs Software Engineer?

AspectInternal Developer Tools Software EngineerSoftware Engineer
Primary FocusDeveloping and maintaining internal tools to improve developer productivityBuilding applications, systems, or features for end-users or clients
Work EnvironmentTypically within tech companies, collaborating with internal teamsVaries across industries, often with direct customer interaction
Required SkillsStrong programming, understanding of developer workflows, internal tool developmentBroad software development skills, depending on domain
Industry UsagePrimarily in tech companies, startups, and large enterprises with internal toolsAcross all industries including tech, finance, healthcare, etc.

In summary, Internal Developer Tools Software Engineers focus on creating tools that enhance internal developer efficiency, whereas Software Engineers develop a wide range of applications for external users. Both roles require strong programming skills but differ in their primary objectives and work environments.

What are popular job titles related to Internal Developer Tools Software Engineer jobs in Reston, VA? For Internal Developer Tools Software Engineer jobs in Reston, VA, the most frequently searched job titles are:
What job categories do people searching Internal Developer Tools Software Engineer jobs in Reston, VA look for? The top searched job categories for Internal Developer Tools Software Engineer jobs in Reston, VA are:
What cities near Reston, VA are hiring for Internal Developer Tools Software Engineer jobs? Cities near Reston, VA with the most Internal Developer Tools Software Engineer job openings:
Infographic showing various Internal Developer Tools Software Engineer job openings in Reston, VA as of May 2026, with employment types broken down into 89% Full Time, 6% Part Time, 4% Contract, and 1% Nights. Highlights an 73% Physical, 5% Hybrid, and 22% Remote job distribution, with an average salary of $104,312 per year, or $50.1 per hour.
Software Engineer

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 12 hours ago


Job description

M&J Engineering, P.C. is a quality provider of multi-discipline consulting services with over 300 employees. Since its inception in 2004, M&J has grown into diversified provider of engineering, construction management, construction inspection, technology, and environmental services to a broad range of clients, including federal, state and city/local agencies, private owners, architects, engineers and contractors.

M&J Engineering is a leader in construction management and inspection, ITS, mechanical, electrical, wastewater, water supply, tunnel airport, port, marine/coastal, environmental engineering, and design-build services for both new infrastructure projects and renovations.

M&J bases its employment and personnel decisions on the principles of Equal Employment Opportunity, with the intent to further the Company’s Affirmative Action commitment. M&J does not discriminate on the basis of race, color, religion, national origin, sex, sexual orientation, pregnancy, gender identity or expression, age, disability, genetic information, marital status, citizenship status, employment status, veteran or military status, or any other category protected by law. Our Company vigorously pursues opportunities to recruit and develop job candidates who have the desire and potential for becoming qualified employees through our Affirmative Action Plan.

M&J is seeking a Software Engineer. This role is essential to ensure the reliability, performance, and compliance of Washington Metropolitan Area Transit Authority (WMATA)’s software and operational systems. Candidates will work on designing, developing, and maintaining software applications, troubleshooting issues, and coordinating with engineering and operations teams to provide technical support and implement software solutions.


• Develop a data-driven predictive maintenance program in collaboration with ELES staff
• Create CAD drawings of existing vertical transportation equipment
• Support ELES in upgrading the in-house remote monitoring systems
• Provide technical leadership and specialized technical assistance in problem-solving and application systems development
• Interface with other offices to ensure integration and support of Authority systems
• Initiate and conduct studies to measure efficiency and effectiveness of current and proposed systems
• Prepare concise management-level reports on projects and technical issues
• Perform software engineering tasks including requirements specification, system design, development, quality assurance, documentation, and testing

• Work with assigned application systems such as elevator and escalator monitoring data concentrators, communications, networks, microprocessors, and track circuit monitoring tools
• Support ELES website applications, requiring knowledge of HTML
• Employ software engineering techniques and languages including C, C++, Java, JavaScript, PERL, Object-Oriented design, assembly language, proprietary compiler syntax, relational database programming, Boolean logic, and command language interpreters, as well as off-the-shelf software tools
• Serve as project engineer for system configuration management, including version control and software change oversight
• Make recommendations on hardware platforms and preferred programming languages for future development
• Represent ELES at meetings with consultants, contractors, and stakeholders; review designs for WMATA standards compliance and interoperability; provide feedback and approvals
• Provide operational guidance, technical advice, and training to Authority staff
• Ensure high levels of performance and reliability for major application systems
• Develop, review, and update WMATA standards, criteria, and specifications in alignment with industry practices
• Prepare technical specifications and task orders for procurement of hardware, software, test equipment, and services
• Work closely with end users to understand information requirements and resolve problems
• Maintain service request logs and project work plans; prepare status reports to track progress
• Advise supervisors on system modifications, deficiencies, user requirements, and recommend improvements
• Coordinate with WMATA personnel to accomplish assigned tasks
• Prepare materials lists and action items for task completion
• Provide draft documents to stakeholders, incorporate comments, and finalize
• Attend required meetings and perform other duties as assigned


• Bachelor’s degree in computer science, mathematics, engineering, or physical sciences
• Minimum of six years of progressively responsible experience in time-critical

process-control computer systems design, development, and maintenance

•Extensive expertise in software engineering for time-critical control system design, operation, and maintenance
• Strong project management skills in complex technical environments, including meeting operational requirements, minimizing outages, conserving resources, and ensuring ease of use and maintenance
• Knowledge of concepts, standards, products, and technical support within assigned areas
• Ability to independently customize, implement, and maintain assigned systems in both development and production
• Skills in estimating, scheduling, planning, control, and reporting
• Ability to manage multiple projects while ensuring system maintenance, monitoring, and tuning are not neglected
• Ability to maintain current documentation and reporting for assigned systems
• Strong interpersonal skills to maintain effective working relationships and provide customer-focused service
• Strong communication skills to exchange complex technical information and resolve issues quickly

• Advanced degree in computer science, mathematics, engineering, or physical sciences
• Knowledge of two or more of the following: C, C++, Java, JavaScript, Object-Oriented languages, ladder logic programming, assembly language, proprietary microprocessor compiler syntax, relational database programming, Boolean logic, and command languages


M&J is a leader in providing quality engineering consulting services to a diverse and exciting client base.  We attract experienced professionals who understand proactive client service, safety, risk management and loss prevention practices, quality control, teamwork, and the development of younger staff.  We seek employees who enjoy their work, desire continuous improvement, and want to contribute to the vision and growth of a quality, employee-owned, professional firm. To all full-time employees we provide a comprehensive package of benefits, including medical, dental and eye insurance, 401(k) retirement plan, life insurance, etc. Salary will depend on experience and credentials.