Sr. Full Stack Developer

Sr. Full Stack Developer Contract/ Contract to Hire Minneapolis,MNKey Responsibilities:Develop high-quality, scalable software using Java, C#, Python,.NET, Spring Boot, Microservices, and REST APIs.Enhance and maintain on-premises and internal PaaS applications while supporting migration to AWS Cloud.Design and implement serverless architectures and container-based cloud solutions.Build and maintain industry-standard APIs, ensuring secure connectivity, routing, and policy implementation.Design reliable, scalable, and cost-effective architecture patterns that meet SLA requirements.Apply software engineering best practices, including TDD, BDD, test automation, CI/CD, and code reviews.Monitor application performance, analyze metrics, troubleshoot issues, and optimize system efficiency.Ensure compliance with security standards, privacy regulations, and governance requirements throughout development.Reduce technical debt through continuous improvement and proactive maintenance.Participate in Agile ceremonies, including sprint planning, daily stand-ups, retrospectives, and backlog refinement.Collaborate with cross-functional teams to deliver technical solutions and share knowledge.Create and maintain technical documentation, runbooks, and operational playbooks.Evaluate trade-offs between performance, scalability, and usability when designing solutions.Support production environments, including troubleshooting, upgrades, patching, and participating in a 24/7 on-call rotation.Top 5 Must-Have Skills:Java, C#, Python, and.NET Full-Stack DevelopmentSpring Boot, Microservices, REST APIs, and Test Automation (TDD/BDD)AWS Cloud Services (Lambda, ECS, EKS, S3, SQS/SNS, DynamoDB, PostgreSQL, Athena, SageMaker)CI/CD Tools (Jenkins, CircleCI), GitHub/GitLab, SonarQube, JUnitAgile Development with strong troubleshooting, performance optimization, and communication skillsPreferred Qualifications:Bachelor's degree in Computer Science, Information Systems, or a related field with 4+ years of experience, or a Master's degree with 2+ years of experience.Experience creating automation test reports using Cucumber Reports, Extent Reports, or similar tools.Hands-on experience with OpenShift.Working knowledge of IBM MQ.AWS Certification.Experience with DevOps, automated testing, build, and deployment pipelines.Experience developing software within the airline industry.Knowledge of Windows Server and HP-UX operating systems.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.