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Mid Level Software Engineer Jobs in McLean, VA (NOW HIRING)

Leidos

Mid-Level Software Engineer

Gaithersburg, MD · On-site

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos

Mid-Level Software Engineer

Gaithersburg, MD · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos

Mid-Level Software Engineer

Chantilly, VA · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos

Mid-Level Software Engineer

Sterling, VA · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos

Mid-Level Software Engineer

Merrifield, VA · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos

Mid-Level Software Engineer

Alexandria, VA · On-site

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos

Mid-Level Software Engineer

Springfield, VA · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos

Mid-Level Software Engineer

Manassas, VA · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos

Mid-Level Software Engineer

Burke, VA · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos

Mid-Level Software Engineer

Chantilly, VA · On-site

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos

Mid-Level Software Engineer

Herndon, VA · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

Leidos

Mid-Level Software Engineer

Reston, VA · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you'll design, develop, and deliver modern ...

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Showing results 41-60

All JobsMid Level Software Engineer JobsMid Level Software Engineer Jobs in McLean, VA

Mid Level Software Engineer information

See McLean, VA salary details

$65.1K

$151.3K

$210.8K

How much do mid level software engineer jobs pay per year?

As of Aug 14, 2026, the average yearly pay for mid level software engineer in McLean, VA is $151,337.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,100.00 and $177,500.00 per year, depending on experience, location, and employer.

What is a mid level software engineer?

A Mid Level Software Engineer is a professional with a few years of experience who develops, tests, and maintains software applications. They work independently on tasks, contribute to code reviews, and collaborate with teams to design and implement solutions. Mid-level engineers are expected to write clean, efficient code, troubleshoot issues, and improve system performance. They may also mentor junior developers and participate in architectural discussions. Typically, they have strong problem-solving skills and proficiency in programming languages relevant to their role.

What typical responsibilities can I expect as a mid level software engineer?

As a Mid Level Software Engineer, you will be involved in designing, coding, testing, and maintaining software applications, often working on both new and existing projects. You’ll collaborate with other engineers, product managers, and QA teams to deliver features that meet business requirements, while also participating in code reviews and contributing to architectural decisions. Your responsibilities may also include troubleshooting bugs, refining development processes, and occasionally mentoring junior engineers. This role typically offers a blend of technical challenge, teamwork, and opportunities for continued skill development.

What are the key skills and qualifications needed to thrive in the mid level software engineer position, and why are they important?

To thrive as a Mid Level Software Engineer, you need a solid understanding of software development principles, programming languages such as Java, Python, or C#, and a bachelor’s degree in computer science or a related field. Experience with version control systems like Git, familiarity with agile methodologies, and sometimes certifications such as AWS Certified Developer or Microsoft Certified: Azure Developer Associate are advantageous. Strong problem-solving skills, teamwork, and effective communication are standout soft skills in this position. These combined skills enable engineers to deliver high-quality code, collaborate efficiently within development teams, and adapt to evolving project requirements.

Is 25 too late to become a mid level software engineer?

Age is not a barrier to becoming a mid level software engineer; many professionals transition into software development in their mid-20s or later. Success depends on acquiring relevant skills, such as programming languages and software development tools, and gaining practical experience through projects or internships.

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

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

What are popular job titles related to Mid Level Software Engineer jobs in McLean, VA?

For Mid Level Software Engineer jobs in McLean, VA, the most frequently searched job titles are:

What job categories do people searching Mid Level Software Engineer jobs in McLean, VA look for?

The top searched job categories for Mid Level Software Engineer jobs in McLean, VA are:

What cities near McLean, VA are hiring for Mid Level Software Engineer jobs?

Cities near McLean, VA with the most Mid Level Software Engineer job openings:

Mid Level Software Engineer jobs near you
Infographic showing various Mid Level Software Engineer job openings in McLean, VA as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $149,126 per year, or $71.7 per hour.

Mid-Level Software Engineer

Riverside Research Institute

Fairfax, VA

$90K - $180K/yr

Full-time

Re-posted 22 days ago

Job description

Riverside Research is an independent National Security Nonprofit dedicated to research and development in the national interest. We provide high-end technical services, research and development, and prototype solutions to some of the countrys most challenging technical problems.
All Riverside Research opportunities require U.S. Citizenship.

As a Mid-Level Machine Learning/AI Software Engineer, you will be responsible for developing, implementing, and applying machine learning/AI algorithms and solutions to address complex challenges within defense applications. You will collaborate closely with cross-functional teams, including data scientists, software engineers, and defense analysts, to enhance the capabilities of our systems and support mission-critical operations.

This position is located in our Fairfax, VA office or our Lexington, MA office.


- Develop, implement, and apply machine learning / AI algorithms

- Design, implement, and optimize machine learning/AI models for various defense applications, including data analysis, pattern recognition, and predictive modeling.

- Collaborate with data scientists to preprocess and analyze large datasets, ensuring high-quality training data for model development.

- Develop scalable software solutions that integrate machine learning/AI algorithms into existing systems and workflows.

- Conduct experiments to evaluate and refine model performance, ensuring reliability and accuracy.

- Participate in the full software development lifecycle, including requirements gathering, design, implementation, testing, and documentation.

- Stay current with advancements in machine learning/AI technologies and methodologies, applying best practices to enhance our projects.

- Contribute to the preparation of technical reports and presentations for stakeholders.


Required Qualifications:

- Current Secret clearance, ability to obtain a TS/SCI

- Bachelor's or Master’s degree in Computer Science, Engineering, Data Science, or a related field.

- 8-10 years of experience in software engineering with a focus on machine learning/AI and data analysis.

- Proficient in programming languages such as Python, Java, or C++, with experience in machine learning/AI libraries (e.g., TensorFlow, PyTorch, Scikit-learn).

- Strong understanding of machine learning/AI algorithms, statistical analysis, and data mining techniques.

- Experience with data management tools and frameworks

- Familiarity with software development methodologies (Agile, Scrum) and version control systems (Git).

- Familiarity with cloud computing platforms (e.g., AWS, Azure) and deployment of machine learning/AI models in cloud environments.

- Excellent problem-solving skills and the ability to work effectively in a team-oriented environment.

- Effective communication skills, with the ability to convey complex technical concepts to non-technical stakeholders.

Preferred Qualifications:

- Current TS/SCI clearance

- Experience in defense or government contracting environments.

- Knowledge of cybersecurity principles and practices.

- Familiarity with common AI Agent SDKs (LangGraph, OpenAI SDK, etc.) and related protocols (e.g., MCP, A2A)

- Familiarity with running language models locally (e.g., using HuggingFace transformers, ollama, LM Studio, llama.cpp, etc.)


$90,000 - $180,000 This represents the typical compensation range for this position based on experience, location and other factors.
Riverside Research Institute is a not-for-profit, technology-oriented defense company, where service to our customers and support of our staff is our overall mission. Riverside is an affirmative action-equal opportunity employer and complies with all applicable federal, state, and local laws regarding recruitment and hiring. Riverside offers comprehensive compensation and benefit packages to our employees.
Riverside bases its employment decisions solely on technical experience, qualifications and other job-related criteria related to our organizational purpose as a not-for-profit company, and without regard to race, color, religion, age, sex marital status, sexual orientation, national origin, physical or mental disability, veterans status or any other status legally protected by applicable federal, state, and local law.

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