Title: Senior Full Stack Developer (Python/PySpark) Location: On-site – McLean, VA Duration: 12 Months Contract Client Note :- North Carolina, Pennsylvania, Maryland candidates can be considered if they are ready to go in person interview. Assessment Requirement: Technical assessment (Glider or similar) is mandatory for submission Job Descriptions: • We are seeking a Senior Full Stack Developer to join a high-impact data modernization initiative. • This role involves developing microservices using Python, PySpark, and AWS EKS, along with automation testing using Behave/Cucumber. • You will work closely with business teams and contribute to the design, implementation, and testing of scalable systems. Must-Have Skills: • Python & PySpark microservices development • AWS EKS (Elastic Kubernetes Service) • PostgreSQL (AWS RDS) • Behave/Cucumber and PyTest for automation • Snowflake, Jenkins, SonarQube, and Fortify • SQL knowledge • Strong understanding of DevOps pipelines, container-based deployments, and performance tuning Nice to Have: • Prior experience working on reporting applications and data analysis • Familiarity with Informatica, SAS, AutoSys, DB2 (for legacy system analysis) • Agile experience with sprint planning, backlog refinement, and stakeholder communication • Hybrid experience in Product Management & Engineering (for candidates applying to requisition 25696–3) Key Responsibilities: • Design and develop Python/PySpark microservices deployed via AWS EKS • Conduct system, functional, and data analysis of legacy platforms • Build and run automated tests using Behave, Cucumber, and PyTest • Participate in DevOps processes including CI/CD via Jenkins, containerization, and security scanning • Work with BRS documents to define data mappings and business logic • Collaborate with QA, Dev, and Product teams in Agile workflows • Manage and prioritize tasks with minimal supervision while ensuring technical documentation is up-to-date Why Apply? • Be part of a mission-critical modernization project with a visible business impact • Gain exposure to cutting-edge cloud, data, and automation technologies • Work in a fast-paced, highly collaborative enterprise environment • Open to visa sponsorship and rate flexibility for the right candidate Important Notes: • This role is 100% on-site in McLean, VA (no remote/hybrid options) • Interviews are virtual but scheduled interviews cannot be rescheduled • All submissions must include a completed technical assessment • Candidates will only be considered if resumes reflect hands-on use of required technologies