**Job Title :** Senior Application Developer \- Palantir Foundry \& AWS Job Summary We are seeking a highly skilled AWS \+ Palantir Foundry Developer responsible for building end\-to\-end data applications, operational workflows, analytics pipelines, and user\-facing Foundry apps. The role requires strong hands\-on development experience on Foundry and AWS with a focus on scalable, secure, and automated cloud\-native solutions. Key Responsibilities 1\. Palantir Foundry Development Develop and deploy workflows using Code Repositories, Foundry Ontology / Object Models, Transformations (PySpark, SQL, Python), Quiver \& Contour. Build operational and user\-facing Foundry applications. Manage data lineage, versioning, cataloging, and governance compliance. 2\. AWS Cloud Development Integrate Foundry with AWS (S3, Lambda, Glue, IAM, API Gateway, Athena). Develop secure cloud\-native architectures aligned with AWS Well\-Architected Framework. Optimize Spark compute, job schedules, and cluster performance. 3\. Data Engineering Responsibilities Build robust ETL / ELT workflows in PySpark / SQL. Handle structured and semi\-structured datasets. Implement data quality validation and automated error handling. 4\. DevOps \& CI/CD Use Git and Foundry CI/CD pipelines for automated deployment. Work with AWS DevOps tools (CodePipeline, CodeCommit, CodeBuild). Implement test automation, validation checks, and monitoring. Required Technical Skills **Mandatory:** Strong experience in Palantir Foundry (Transformations, Applications, Ontology, Pipelines). **Programming:** Python, SQL, PySpark **Cloud:** AWS (S3, Lambda, Glue, IAM) **Tools:** Git, Docker (optional) **Concepts:** Data engineering, APIs, distributed systems, CI/CD, cloud security.