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Software Engineer Independent Contractor Jobs in Chantilly, VA

... and contractors. M&J Engineering is a leader in construction management and inspection, ITS ... independently customize, implement, and maintain assigned systems in both development and ...

Software Engineer

Arlington, VA · On-site

$90 - $120/hr

This government contractor is searching for a Software Developer to maintain and improve software ... Experience with Java development and independent quality assurance/verification & validation

... and contractors. M&J Engineering is a leader in construction management and inspection, ITS ... independently customize, implement, and maintain assigned systems in both development and ...

... and contractors. M&J Engineering is a leader in construction management and inspection, ITS ... independently customize, implement, and maintain assigned systems in both development and ...

We ask the right questions to help civil servants and other contractors work effectively on complex ... independently. You have empathy for the people who rely on your work, and you care about how your ...

We ask the right questions to help civil servants and other contractors work effectively on complex ... independently. You have empathy for the people who rely on your work, and you care about how your ...

Paas Software Engineer

Manassas, VA · On-site

$90K - $150K/yr

Paas Software Engineer Gromelski and Associates, Inc. (GAI) partners with prime contractors to ... Task driven with ability to work independently. • Team player that takes ownership and develops ...

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Paas Software Engineer

Fairfax, VA · On-site

$90K - $150K/yr

Paas Software Engineer Gromelski and Associates, Inc. (GAI) partners with prime contractors to ... Task driven with ability to work independently. · Team player that takes ownership and develops ...

Responsibilities * The software engineer will design, develop, enhance, debug, and implement ... Amyx is a VEVRAA federal contractor and we request priority referral of veterans. Physical Demands ...

The software engineer will design, develop, enhance, debug, and implement software. * They will be ... Amyx is a VEVRAA federal contractor and we request priority referral of veterans. Physical Demands ...

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Software Engineer Independent Contractor information

See Chantilly, VA salary details

$65K

$151K

$210.4K

How much do software engineer independent contractor jobs pay per year?

As of Aug 24, 2026, the average yearly pay for software engineer independent contractor in Chantilly, VA is $151,035.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,900.00 and $177,100.00 per year, depending on experience, location, and employer.

What is a software engineer independent contractor?

A Software Engineer Independent Contractor is a self-employed professional who provides software development services to clients on a contractual basis. Unlike full-time employees, independent contractors work on specific projects, often for multiple clients, and handle their own taxes, benefits, and work schedules. They may be responsible for designing, coding, testing, and maintaining software solutions based on client requirements. This role offers flexibility and autonomy but requires strong time management and business skills.

What are the key skills and qualifications needed to thrive as a software engineer independent contractor?

To thrive as a Software Engineer Independent Contractor, you need proficient coding abilities, problem-solving skills, and a solid understanding of software development methodologies, often supported by a degree in computer science or related experience. Familiarity with popular programming languages, project management tools, code repositories like Git, and relevant certifications such as AWS Certified Developer or Scrum Master are commonly expected. Excellent self-management, communication, and client relationship skills help you stand out in this position. These abilities are crucial for delivering high-quality solutions, maintaining professionalism, and ensuring client satisfaction while working independently.

What are the typical challenges faced by software engineer independent contractors, and how can they be addressed?

As a Software Engineer Independent Contractor, common challenges include managing multiple projects simultaneously, adapting to different client expectations, and ensuring consistent communication across remote teams. Successful contractors often establish clear project scopes, set realistic timelines, and utilize productivity tools to stay organized. Building strong client relationships and proactively addressing feedback can help mitigate misunderstandings and foster repeat business. Additionally, investing in ongoing learning and networking can open opportunities for higher-value projects and career growth. Embracing flexibility and self-discipline is key to thriving in this dynamic, self-driven work environment.

What are the most commonly searched types of Software Engineer jobs in Chantilly, VA?

The most popular types of Software Engineer jobs in Chantilly, VA are:

What cities near Chantilly, VA are hiring for Software Engineer Independent Contractor jobs?

Cities near Chantilly, VA with the most Software Engineer Independent Contractor job openings:

Infographic showing various Software Engineer Independent Contractor job openings in Chantilly, VA as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $151,035 per year, or $72.6 per hour.

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 27 days ago


Job description

Overview

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.

Responsibilities

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

Qualifications

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

Benefits

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.

Employment Type: OTHER