The Arena ®
Software Engineer Modernization & Refactoring Focus
Were looking for a
hands-on software engineer
who thrives in large, complex codebases and loves the challenge of making them better. This isnt just new feature work its
modernizing mission-critical software
for some of the most advanced defense systems in the world, including If youre fluent in
C/C++ , highly comfortable in
Python , and have touched
Rust
(or are excited to learn), youll fit right in. Our ideal teammate has spent time
refactoring legacy code, debugging tricky problems, and improving performance
all while writing clean, well-documented, and testable code. What Youll Do Refactor, optimize, and modernize complex legacy systems. Write efficient, secure code in
C/C++
and
Python
(Rust a plus). Debug hard problems from race conditions to performance bottlenecks. Work onsite with a small, agile team delivering mission-critical solutions. Contribute to CI/CD pipelines, code reviews, and strong testing practices. What Were Looking For Strong refactoring/modernization experience
in large codebases. Proficiency in
C/C++
and
Python
(Rust is a strong bonus). Solid debugging skills comfortable tackling race conditions, deadlocks, and memory safety issues. Experience with unit/integration testing, CI/CD, and Linux-based development. Able to work
onsite 5 days/week in Manassas, VA . Why This Role Matters Youll be directly contributing to systems that keep our forces mission-ready in the most demanding environments on Earth. Your work will help bridge decades of proven technology with the tools of tomorrow. Benefits : Equity, 401(k), unlimited PTO, parental leave, comprehensive healthcare, and more. If your happy place is taking old code and making it great again lets talk.
Apply today and help modernize the future of defense software. Seniority level
Seniority level
Mid-Senior level Employment type
Employment type
Full-time Job function
Job function
Engineering, Information Technology, and Research Industries
Defense and Space Manufacturing Referrals increase your chances of interviewing at The Arena by 2x Inferred from the description for this job
Medical insurance Vision insurance 401(k) Paid maternity leave Paid paternity leave Disability insurance Get notified about new Software Engineer jobs in
Manassas, VA . Reston, VA $90,000.00-$120,000.00 6 days ago Sterling, VA $100,000.00-$120,000.00 1 year ago Lorton, VA $55,250.00-$99,875.00 2 months ago Reston, VA $81,094.00-$137,860.00 1 day ago Reston, VA $87,975.00-$103,500.00 1 month ago Chantilly, VA $150,000.00-$175,000.00 4 months ago Were unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr
hands-on software engineer
who thrives in large, complex codebases and loves the challenge of making them better. This isnt just new feature work its
modernizing mission-critical software
for some of the most advanced defense systems in the world, including If youre fluent in
C/C++ , highly comfortable in
Python , and have touched
Rust
(or are excited to learn), youll fit right in. Our ideal teammate has spent time
refactoring legacy code, debugging tricky problems, and improving performance
all while writing clean, well-documented, and testable code. What Youll Do Refactor, optimize, and modernize complex legacy systems. Write efficient, secure code in
C/C++
and
Python
(Rust a plus). Debug hard problems from race conditions to performance bottlenecks. Work onsite with a small, agile team delivering mission-critical solutions. Contribute to CI/CD pipelines, code reviews, and strong testing practices. What Were Looking For Strong refactoring/modernization experience
in large codebases. Proficiency in
C/C++
and
Python
(Rust is a strong bonus). Solid debugging skills comfortable tackling race conditions, deadlocks, and memory safety issues. Experience with unit/integration testing, CI/CD, and Linux-based development. Able to work
onsite 5 days/week in Manassas, VA . Why This Role Matters Youll be directly contributing to systems that keep our forces mission-ready in the most demanding environments on Earth. Your work will help bridge decades of proven technology with the tools of tomorrow. Benefits : Equity, 401(k), unlimited PTO, parental leave, comprehensive healthcare, and more. If your happy place is taking old code and making it great again lets talk.
Apply today and help modernize the future of defense software. Seniority level
Seniority level
Mid-Senior level Employment type
Employment type
Full-time Job function
Job function
Engineering, Information Technology, and Research Industries
Defense and Space Manufacturing Referrals increase your chances of interviewing at The Arena by 2x Inferred from the description for this job
Medical insurance Vision insurance 401(k) Paid maternity leave Paid paternity leave Disability insurance Get notified about new Software Engineer jobs in
Manassas, VA . Reston, VA $90,000.00-$120,000.00 6 days ago Sterling, VA $100,000.00-$120,000.00 1 year ago Lorton, VA $55,250.00-$99,875.00 2 months ago Reston, VA $81,094.00-$137,860.00 1 day ago Reston, VA $87,975.00-$103,500.00 1 month ago Chantilly, VA $150,000.00-$175,000.00 4 months ago Were unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr