Full-Stack Platform Engineer/SME

Overview of the Role: The Senior SME - Full-Stack Platform Engineer provides senior technical leadership and hands-on engineering for a secure enterprise data analytics platform supporting a federal environment. The role designs and delivers scalable web applications, APIs, data integrations, cloud solutions, and secure development practices while guiding technical decisions and resolving complex platform issues. Essential Duties & Responsibilities: • Lead architecture, design, and development of full-stack solutions using React, Node.js/Express, Python (Flask/FastAPI), REST APIs, and advanced SQL. • Design and support cloud-based data integrations, ETL/ELT pipelines, Databricks or equivalent analytics services, and data quality capabilities. • Establish secure engineering and DevSecOps practices, including CI/CD, automated security testing, containerization, infrastructure as code, and code reviews. • Integrate AI/ML capabilities, including LLM APIs, RAG patterns, prompt engineering, and secure handling of sensitive data. • Architect solutions within AWS using appropriate IAM, networking, secrets management, encryption, logging, and security controls. • Provide technical leadership, mentor engineers, support production troubleshooting, and communicate technical recommendations to stakeholders. Qualifications: • Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical field. • 10+ years of software/platform engineering experience, including senior technical leadership or architecture responsibilities. • Strong experience with React, Python and/or Node.js, REST APIs, advanced SQL, AWS, and modern data platforms. • Hands-on experience with CI/CD, Docker/Kubernetes or ECS, Terraform, Git, and automated security tooling. • Knowledge of application security, IAM/RBAC, OWASP practices, observability, and secure cloud architecture. • Experience supporting federal or regulated environments and familiarity with FISMA, NIST 800-53, FedRAMP, and ATO processes. • Preferred certifications include AWS, CISSP/Security+, Databricks, CKA/CKS, or comparable technical credentials.