Backend Engineer Jobs

Backend EngineerZachary Piper Solutions is seeking a Backend Engineer to support a next-generation federal mission-software program focused on modernizing cloud-native operations. This position is based in a hybrid environment with locations including Washington, DC, Arlington, VA, Seattle, San Francisco, Los Angeles, and Denver. The Backend Engineer will design, build, and maintain backend services, APIs, and cloud-integrated capabilities that directly support mission-critical federal operations. This is an excellent opportunity for an engineer who wants to work with modern technologies, contribute to high-impact systems, and grow within a fast-moving, mission-driven environment. ACTIVE SECRET SECURITY CLEARANCE REQUIREDPrimary Responsibilities:Develop backend services and APIs using Python in a production environmentIntegrate AWS services including EC2, Lambda, ECS/EKS, S3, RDS, CloudWatch, and FargateBuild and maintain GraphQL or REST interfaces for mission-critical applicationsSupport AI/LLM integrations with platforms such as OpenAI, Anthropic, and AskSageImplement scalable, secure, and cost-efficient cloud architecturesTroubleshoot backend issues, optimize performance, and improve system reliabilityCollaborate with frontend engineers, AI engineers, and product teams in an Agile environmentContribute to CI/CD pipelines, DevSecOps tooling, and infrastructure automation using Terraform or similar IaC toolsRequired Qualifications:Bachelor's degree in Computer Science or related field (or equivalent hands-on experience)3+ years of professional backend or full-stack engineering experienceStrong proficiency in Python and API development (REST or GraphQL)Experience with AWS services (Lambda, ECS/EKS, EC2, S3, RDS, CloudWatch)Hands-on experience with Docker and containerized applicationsFamiliarity with Kubernetes deployments (EKS preferred)Experience with Terraform or other Infrastructure-as-Code toolsStrong Git workflow experience (GitHub/GitLab)U.S. Person status and ability to obtain a U.S. Security ClearancePreferred Experience (Not Required):Experience integrating AI/LLM APIs (OpenAI, Anthropic, AskSage)Background in cloud-native distributed systemsExperience in startup or fast-paced engineering environmentsStrong troubleshooting, debugging, and performance optimization skillsCompensation & Benefits:Competitive salary range: $120,000 – $180,000 (depending on experience)Equity opportunities depending on programComprehensive benefits package including PTO, paid holidays, medical, dental, vision, 401(k), and sick leaveHybrid work flexibility depending on location