Senior Software Developer

Guidehouse•Dc, DC

1d•$113,000 - $188,000

About The Position

We’re seeking a mission‑driven Software Developer to build, modernize, and sustain applications that support critical Department of Justice (DOJ) missions. You’ll work within secure environments and collaborate with product owners, security engineers, and stakeholders to deliver reliable, secure, and scalable software—improving how DOJ teams protect the nation and deliver justice.

Requirements

U.S. Citizenship
Active Top Secret (TS) Clearance with SCI or the ability to obtain SCI
EIGHT (8+) years of professional software development experience in secure or regulated environments.
Strong proficiency in one or more of the following stacks: Backend: Java/Spring Boot, .NET/C#, Python (FastAPI/Flask/Django), or Node.js (Express/Nest) Frontend: React, Angular, or Vue with TypeScript
Experience building RESTful APIs and working with PostgreSQL/Oracle (schema design, performance tuning).
Hands‑on with CI/CD (GitLab CI, Jenkins, GitHub Actions) and containerization (Docker, Kubernetes/OpenShift).
Practical security mindset: input validation, authN/Z, secrets handling, OWASP Top 10, TLS/mTLS.
Familiarity with DoD/IC/DOJ security practices , including RMF artifacts, STIGs, and secure coding standards.
Experience in cloud (AWS GovCloud or Azure Government) and infrastructure as code (Terraform/CloudFormation).
Strong communication skills and the ability to operate in cross‑functional, mission‑focused teams.
Education: BS in Computer Science, Engineering, or equivalent practical experience.

Nice To Haves

Experience supporting DOJ components (e.g., FBI, DEA, ATF, EOIR, BOP, USAO) or adjacent federal law enforcement/civil agencies.
Data streaming and search: Kafka , Kinesis , Elasticsearch/OpenSearch , NiFi .
Observability & SecOps: Splunk/CloudWatch/Prometheus/Grafana , SAST/DAST/SCA tooling (e.g., SonarQube, OWASP ZAP, Trivy).
Knowledge of CJIS , NIEM , FISMA , FedRAMP High, and Section 508 compliance.
Experience with messaging and integration: gRPC , GraphQL , EventBridge , SQS/SNS , RabbitMQ .
Test automation frameworks (JUnit, pytest, Cypress/Playwright) and contract testing (PACT).
Zero‑trust and identity integrations: OAuth2/OIDC , SAML , KMS/HSM , PKI, ABAC/RBAC.
Platform experience with Red Hat OpenShift , service mesh (Istio/Linkerd), and policy tools (OPA/Gatekeeper).
Performance tuning and cost optimization in GovCloud environments.
Certifications: AWS/Azure (Gov) , Security+ , CASP+ , CISSP , CKA/CKAD , DoD 8570/8140 ‑aligned.
Domain modeling and data lifecycle management for sensitive/controlled data.
Secure secrets and configuration management (e.g., AWS Secrets Manager, HashiCorp Vault).
Strong documentation habits (ADR, runbooks, playbooks) to support audits and ATO.
Ability to triage and resolve production issues under change‑controlled processes.
Experience mentoring developers and contributing to coding standards and reusable templates.
Comfortable working within SCIF procedures and handling tickets/change requests through ITSM tools (ServiceNow/Jira).

Responsibilities

Design, develop, test, and deploy secure, scalable applications and APIs for DOJ systems.
Implement microservices, event‑driven patterns, and data integrations to support case management, analytics, and mission workflows.
Automate build, test, security scanning, and deployment (CI/CD) for repeatable, auditable releases.
Harden applications and infrastructure to meet RMF , STIG , FIPS 140‑2 , and FedRAMP control objectives.
Contribute to ATO packages with documentation, test evidence, and security remediation artifacts.
Optimize application performance, reliability, and observability (logs, metrics, tracing).
Collaborate in Agile/Scrum ceremonies; refine backlog items with product owners and mission stakeholders.
Write maintainable code with comprehensive unit/integration tests and clear documentation.
Support production operations, incident response, and continuous improvement in secure environments (including SCIF as needed).

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