Sr. Software Developer

Guidehouse•Washington, DC

4d•$149,000 - $248,000•Onsite

About The Position

Guidehouse is seeking a Sr. Software Developer to join their team. This role involves designing, developing, and maintaining secure, scalable full-stack applications for a mission-critical federal GRC platform. The developer will implement modern architectures, apply secure coding practices, integrate security controls into the development lifecycle (DevSecOps), and participate in Agile development teams. Responsibilities include developing and maintaining CI/CD pipelines, collaborating with various engineering and cybersecurity teams, supporting integration of data sources and APIs, performing code reviews and testing, contributing to modernization efforts, and supporting operational sustainment activities.

Requirements

Bachelors degree from an accredited university
Minimum of EIGHT (8)+ years of overall work experience
Ideal experience would be in software development, including full-stack application development in enterprise environments
Experience in supporting federal IT systems, preferably in cybersecurity, GRC, or compliance-driven environments
Hands-on experience with full-stack development, including front-end frameworks and back-end services
Strong understanding of secure coding practices and application security principles (e.g., OWASP Top 10)
Experience implementing DevSecOps practices, including CI/CD pipelines, automated testing, and security integration
Familiarity with application security tools such as static and dynamic code analysis and vulnerability scanning
Experience working in Agile development environments, including participation in sprint ceremonies and iterative delivery
Ability to support applications operating in production environments, including troubleshooting, performance tuning, and incident resolution
Experience integrating applications with enterprise systems, APIs, and data platforms
Must be able to OBTAIN and MAINTAIN a "TOP SECRET" security clearance; candidates must obtain approved adjudication of clearance prior to onboarding with Guidehouse.
US Citizenship is contractually required.

Nice To Haves

Experience supporting federal GRC, cybersecurity, or compliance platforms, including systems aligned to RMF and FISMA
Familiarity with enterprise-scale, multi-tenant systems supporting multiple organizations or agencies
Experience building and maintaining CI/CD pipelines using modern tools and automation frameworks
Knowledge of DevSecOps toolchains, including code repositories, build automation, and security scanning tools
Experience with cloud-ready or hybrid architectures and supporting system modernization efforts
Familiarity with integrating continuous monitoring data sources such as vulnerability scanning or security event data
Professional certifications such as Certified Secure Software Lifecycle Professional (CSSLP), Security+, or cloud certifications
Experience working in cleared environments or supporting systems with classified requirements
Candidates with an ACTIVE "TOP SECRET" or higher-level clearance are preferred.

Responsibilities

Design, develop, and maintain secure, scalable full-stack applications supporting a mission-critical federal GRC platform
Implement modern application architectures and reusable components to support enterprise-level system integration and performance
Apply secure coding practices and application security principles to ensure compliance with federal cybersecurity requirements and reduce system vulnerabilities
Integrate security controls into the development lifecycle, aligning to DevSecOps practices and supporting continuous monitoring objectives
Participate in Agile development teams, contributing to sprint planning, backlog refinement, and iterative delivery of enhancements and new capabilities
Develop and maintain CI/CD pipelines to support automated build, test, security scanning, and deployment processes
Collaborate with system engineers, architects, and cybersecurity teams to deliver solutions that align with RMF, FISMA, and enterprise GRC requirements
Support integration of data sources, APIs, and analytics capabilities to enhance reporting, automation, and system usability
Perform code reviews, testing, and troubleshooting to ensure high-quality, reliable application performance in production environments
Contribute to modernization efforts by enhancing system functionality, improving performance, and reducing technical debt
Support operational sustainment activities, including defect resolution, system monitoring, and performance tuning in a secure production environment

Benefits

Medical, Rx, Dental & Vision Insurance
Personal and Family Sick Time & Company Paid Holidays
Parental Leave
401(k) Retirement Plan
Group Term Life and Travel Assistance
Voluntary Life and AD&D Insurance
Health Savings Account, Health Care & Dependent Care Flexible Spending Accounts
Transit and Parking Commuter Benefits
Short-Term & Long-Term Disability
Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities
Employee Referral Program
Corporate Sponsored Events & Community Outreach
Care.com annual membership
Employee Assistance Program
Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)
Position may be eligible for a discretionary variable incentive bonus