Senior Software Developer

In a world of possibilities, pursue one with endless opportunities. Imagine Next!

At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.

Job Description:

Parsons is looking for an amazingly talented Senior Software Developer to join our team!

In this role you will get to design, develop, and support mission-critical information systems around the world.

What You'll Be Doing:

• Develop, enhance, and sustain production services and components written in Java and C/C++ Author and maintain interface documentation (schemas, contracts, versioning strategy) and support integration testing
• Participate in on-call rotation or operational support escalations as required.
• Collaborate with Network Ops, Infrastructure, and Field Engineering teams to diagnose end-to-end failures across distributed environments.
• Develop and maintain build/deployment automation using GitLab CI/CD
• Write unit, integration, and regression tests for critical services and interfaces
• Follow configuration management and change control practices required for distributed production systems.
• Rapidly troubleshoot and correct software discrepancies to maximize system availability

What Required Skills You'll Bring All Levels:

• Bachelors degree and 10 years of experience in Software Engineering and/or Development.
• Alternatives are Masters and 8 years or a Phd and 6 years
• Strong proficiency in Java, Scala and/or C/C++ with production-grade development experience.
• Experience building and supporting systems that are distributed, high-availability, or operationally critical.
• Working knowledge of relational databases (PostgreSQL preferred) and/or NoSQL databases (MongoDB preferred).
• Experience with CI/CD pipelines (GitLab CI/CD strongly preferred) and modern development workflows (code review, branching, tagging, release management).
• Ability to troubleshoot production issues using logs, metrics, and structured debugging approaches.
• Strong written communication skills: able to produce clear design notes, runbooks, and implementation plans.
• Top Secret minimum
• Domestic and/or international project travel may be required.

What Desired Skills You'll Bring All Levels:

• Active TS/SCI w/ Polygraph preferred.
• Experience with systems deployed to remote sites with intermittent connectivity.
• Experience with migration/compatibility support across major version transitions e.g. Postgres to MongoDB.
• Familiarity with:
• secure communications patterns (TLS, certificates, key rotation)
• message queues/event-driven patterns
• performance profiling (CPU, memory, DB query optimization)
• Experience collaborating with field engineering and network operations teams.
• Exposure to ELK stack usage patterns for operational troubleshooting and analytics.

Security Clearance Requirement:

An active Top Secret security clearance is required for this position.

This position is part of our Federal Solutions team.

The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.

Salary Range: $148,300.00 - $266,900.00

We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!

Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.

Parsons is an equal opportunity, drug-free employer committed to diversity in the workplace. Minority/Female/Disabled/Protected Veteran/LGBTQ+.

About Us

Parsons is a digitally enabled solutions provider focused on the defense, security, and infrastructure markets. With nearly 75 years of experience, Parsons is uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services to federal, regional, and local government agencies, as well as to private industrial customers worldwide.

For more about Parsons, visit parsons.com and follow us on Facebook, Twitter, LinkedIn, and YouTube.