Senior Full-Stack Developer (Angular, Java and .NET)

Senior Full-Stack Developer (Angular, Java and.NET) CGI Federal is seeking an experienced Senior Full-Stack Developer (Angular, Java and.NET) to support a Federal client. This position will focus on modernizing to a Spring Boot framework, enhancing system performance, resolving complex defects, and designing high-quality software solutions. The ideal candidate brings deep experience in Backend and UI modernization, enterprise application development, architectural analysis, and performance engineering across a wide modern technology stack. This position is located in our Baltimore, MD office with work performed at client site in Woodlawn, MD Your future duties and responsibilities: Upgrade JAX-RS Restful Web Services to Spring Boot. Perform architectural design, data analysis, logical and physical data modeling. Identify, analyze, and resolve data quality issues. Conduct root-cause analysis and resolve complex defects. Develop applications using C#,.NET Core/.NET 6+, Java 8+, JavaScript, Visual Basic/.NET Core. Build and maintain CI/CD pipelines using Git, BitBucket, Jenkins, and automation tools. Develop services and APIs using Angular Framework, Java EE/JAX-RS, Spring Boot, ASP.NET Core, and JPA/JDBC. Work with MongoDB and MQL, along with JSON/BSON, XML, HTML, and CSS. Collaborate with cross-functional teams to ensure delivery of secure, scalable, high-performance applications. Required qualifications to be successful in this role: Proven expertise upgrading UI frameworks to Angular. Ability to write Jest unit test cases. Advanced skill in architectural design and analysis. Strong experience in data analysis, data modeling, and data quality issue resolution. Demonstrated ability to perform performance/load testing using Introscope, JMeter, and browser debugging tools. Expert at root cause analysis and defect resolution. Advanced proficiency in C#,.NET Core/.NET 6+, Java 17+, JavaScript, Visual Basic/.NET Core. Ability to write Junit unit test cases. Experience with DB2. SQL Server, MongoDB and MongoDB Query Language (MQL). Strong hands-on experience with Git, BitBucket, Jenkins, CI/CD infrastructure. Proficiency with HTML, XML, JSON/BSON, CSS, Markdown. Mainframe knowledge a plus. Operational support knowledge a plus. Resource is expected to work onsite at our customer location in Baltimore. Skills: MongoDB What you can expect from us: Together, as owners, let's turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction. Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. Come join our team—one of the largest IT and business consulting services firms in the world.