Senior Python Developer

Senior Developer - Python / AWS Workflow Automation About the Role We are seeking a skilled and motivated Senior Developer to join our Workflow Automation team. This role is pivotal in designing, developing, and implementing a modern job scheduling and orchestration solution as we transition from a legacy Autosys platform to AWS-native services such as Managed Workflows for Apache Airflow (MWAA), Step Functions, Batch, and EventBridge. You'll collaborate with cross-functional teams to build resilient, scalable cloud-based solutions, create intuitive user interfaces, and support critical production systems. This position requires a hands-on Python developer with AWS expertise, experience in API integrations, and familiarity with highly available architectures. This is an on-call support role where you'll be instrumental in ensuring operational reliability while driving innovation in orchestration and automation. Required Skills & Experience • 7+ years of software development experience with a strong focus on Python (Java experience also required). • Proven expertise with AWS native services: Lambda, Batch, Step Functions, MWAA, EventBridge, CloudWatch, DynamoDB, EC2. • Experience with API development & integration and working in microservices architectures. • Hands-on experience with CI/CD tools (GitLab, Jenkins, AWS CodePipeline) and IaC tools (Terraform, CloudFormation). • Familiarity with Agile/Scrum practices using Jira and Confluence. • Experience supporting highly resilient applications using multi-region Active/Active or Active/Standby strategies. • Strong background in workload orchestration and automation, particularly supporting business applications. • Excellent collaboration and communication skills; able to work with dynamic, business-driven teams. Nice to Have • Knowledge of Autosys and experience migrating workflows to AWS-native solutions. • Familiarity with front-end frameworks (React.js, Angular, Vue.js) for UI/UX enhancement. • AWS certifications (AWS Certified Developer or Solutions Architect). • Experience in financial or regulated industries with SOX compliance requirements. • Exposure to performance testing and optimization for cloud-based workflows. Other Details • Location: Reston, VA (Hybrid; expected onsite presence 3 days a week). • Type: Long-term contract, 6+ months with potential for extension • On-call Requirement: 24/7 support rotation for production operations.