Software Developer

Parsons; Reston (VA); On-site; USD 177,000 - 332,000; Full time

Benefits offered by this job

Medical

Dental

Vision

PTO

ESOP

401(k)

Life Insurance

Flexible schedules

Holidays

Job summary

Parsons is seeking highly skilled Software Developers to design, develop, and support mission-critical information systems. You will work on production services in Java and C/C++, author interface docs, and support integration testing while collaborating with Network Ops, Infrastructure, and Field Engineering teams.

The role requires 7+ years of software development experience (Masters/PhD adds extra years), proficiency in Java/Scala/C/C++, and experience with PostgreSQL or MongoDB.

Qualifications

• Bachelor's degree and 7+ years of Software Engineering experience.
• Masters/PhD counted as 2 additional years of experience each.
• Strong proficiency in Java, Scala and/or C/C++ with production-grade development experience.
• Experience building and supporting distributed, high-availability systems.
• 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.
• Ability to troubleshoot production issues using logs, metrics, and structured debugging approaches.
• Strong written communication skills.
• Active TS/SCI required.
• Domestic and/or international project travel may be required.

Responsibilities

• Design, develop, and support mission-critical information systems.
• Develop, enhance, and sustain production services in Java and C/C++.
• Author and maintain interface documentation and support integration testing.
• Participate in on-call rotation or operational support escalations.
• Collaborate with Network Ops, Infrastructure, and Field Engineering teams.
• Develop and maintain build/deployment automation using GitLab CI/CD.
• Write unit, integration, and regression tests for critical services.
• Follow configuration management and change control for distributed systems.
• Troubleshoot and correct software discrepancies to maximize availability.

Skills

Java/Scala/C++

Distributed systems

PostgreSQL

MongoDB

GitLab CI/CD

Testing (unit/integration)

Troubleshooting logs/metrics

Technical writing

TS/SCI clearance

Travel (domestic/international)

Education

Bachelor's degree

Masters/PhD count as extra experience

Tools

GitLab CI/CD

PostgreSQL

MongoDB

Job description

Job Description:

Parsons is looking for an amazingly talented Software Developers 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 7+ years of experience in Software Engineering and/or Development.
• A Masters and Ph.D will count as 2 additional years of experience each.
• 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.
• Active TS/SCI required.
• Domestic and/or international project travel may be required.

What Desired Skills You'll Bring All Levels:

• Active Polygraph is a plus
• 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 SCI 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: $176,900.00 - $332,400.00

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
• 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.

We truly invest and care about our employee's wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest

Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.