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Mid Level Software Engineer Jobs in Washington (NOW HIRING)

Metron

Mid-Level Software Engineer

Reston, VA · On-site

Metron is seeking a mid-level Software Engineer to help design, build, and mature software systems that support simulation, optimization, and decision support for mission-focused applications. This ...

New

CACI

Mid-Level Software Engineer

Sterling, VA · On-site

$94K - $198K/yr

Mid-Level Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 25% Type of Travel:

Metron

Mid-Level Software Engineer

Reston, VA · On-site

Metron is seeking a mid-level Software Engineer to help design, build, and mature software systems that support simulation, optimization, and decision support for mission-focused applications. This ...

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

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

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 ...

Pae

Mid Level Software Engineer

Hanover, MD · On-site

$160K - $260K/yr

... level appropriate to the software development being used on any particular project. Minimum Requirements (Knowledge, Skills, and Abilities): * Seven or more years of relevant java programming ...

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All JobsMid Level Software Engineer JobsMid Level Software Engineer Jobs in Washington

Mid Level Software Engineer information

See Washington salary details

$71.9K

$167.1K

$232.7K

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

As of Sep 4, 2026, the average yearly pay for mid level software engineer in Washington is $167,085.00, according to ZipRecruiter salary data. Most workers in this role earn between $135,900.00 and $195,900.00 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 strict 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 experience with development tools, through self-study, coding bootcamps, or formal education. Employers value skills and experience over age, so with dedication, starting at 25 is entirely feasible.

What does a mid level software engineer earn?

A mid-level software engineer typically earns between $80,000 and $120,000 annually, depending on location, industry, and experience. They often have 2-5 years of experience and may work with programming languages like Java, Python, or C++, using tools such as Git and Agile methodologies.

What are the most commonly searched types of Software Engineer jobs in Washington?

The most popular types of Software Engineer jobs in Washington are:

What are popular job titles related to Mid Level Software Engineer jobs in Washington?

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

What job categories do people searching Mid Level Software Engineer jobs in Washington look for?

The top searched job categories for Mid Level Software Engineer jobs in Washington are:

What cities in Washington are hiring for Mid Level Software Engineer jobs?

Cities in Washington 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 Washington as of August 2026, with employment types broken down into 86% Full Time, 9% Part Time, and 5% Contract. Highlights an 85% Physical, 3% Hybrid, and 12% Remote job distribution, with an average salary of $167,085 per year, or $80.3 per hour.

Mid-Level Software Engineer

Metron

Reston, VA • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 3 days ago

New

Job description

Metron is seeking a mid-level Software Engineer to help design, build, and mature software systems that support simulation, optimization, and decision support for mission-focused applications.

This role is best suited for an engineer who is comfortable working across the software stack and who can contribute to both technical implementation and product maturation. You will help transform prototypes and advanced technical concepts into reliable, maintainable software used in operational and decision-support settings.

Responsibilities

In this role, you will be expected to:

  • Build and maintain production-quality software that supports mission-oriented analysis, simulation, and decision support
  • Help translate technically sophisticated algorithms, models, and research prototypes into usable software applications
  • Improve software quality through thoughtful design, code readability, testing, documentation, and maintainable engineering practices
  • Build responsive, usable, and intuitive frontends that present complex data and workflows clearly to users
  • Contribute across the full development lifecycle, including concept exploration, prototyping, implementation, testing, demonstration, deployment, and sustainment
  • Collaborate closely with multidisciplinary teams to understand user needs and deliver practical, high-impact solutions
Required Qualifications 
  • Bachelor's degree in computer science, mathematics, physics, applied mathematics, engineering, or a related technical field
  • At least 2 years of professional software development experience
  • Strong foundation in object-oriented design and software development, with experience in Java, C++, Rust, or other comparable programming languages
  • Experience creating backend software and/or APIs in collaborative production or prototype environments
  • Strong engineering fundamentals, sound technical judgment, and the ability to collaborate effectively with researchers, engineers, and end users
  • U.S. CITIZENSHIP REQUIRED; successful candidates will be subject to a security investigation and must meet eligibility requirements for access to classified information
Desired Qualifications
  • Active SECRET security clearance
  • Experience writing high-performance, multi-threaded (parallel/concurrent) software
  • Experience developing high-quality software in an environment where readability, maintainability, testing, and disciplined engineering practices are valued
  • Experience in defense, national security, or other mission-driven environments
  • Experience with TypeScript and React or other modern frontend development frameworks
  • Experience with 3D, geospatial, or high-performance visualization technologies such as WebGL or OpenGL
  • Experience with data-intensive or distributed systems, including databases, messaging systems, and asynchronous processing
  • Familiarity with AI/ML-enabled applications, including LLM-integrated systems
  • Experience with cloud and containerized deployment environments such as AWS, Docker, Kubernetes, and CI/CD pipelines

Position Location:  Reston, VA

*The selected individual(s) will be required to work from the Reston, VA office.

Perks and Benefits
  • Medical, Dental and Vision Insurance 
  • Accompanying FSA and HSA options 
  • Additional Voluntary Benefits  
  • Paid Time Off  
  • 9 Observed Holidays and 2 Floating Holidays  
  • Paid Parental Leave  
  • Tuition Reimbursement 
  • Relocation Assistance
  • Professional Development Reimbursement 
  • Annual Salary Reviews  
  • Profit Sharing  
  • 401(k) Traditional and Roth Options  
  • Gym and Fitness Reimbursement  
  • Employee Assistance Program  
  • Employee Referral Program 

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