Allwyn Corporation

Senior Full-Stack Software Engineer (Java/.NET & AWS)

Allwyn Corporation

Allwyn US- RemoteRemoteContractPosted Jul 16, 2026
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Job description

Job Overview: Senior Full-Stack Software Engineer responsible for building web applications using Java, and many other cutting-edge technologies.

Responsibilities

  1. Extensive IT experience in analysis, design, development, documentation, implementing and testing of software systems in Java, J2EE technologies.
  2. Full-stack application development with both front-end and back-end development.
  3. Design, development, and delivery of Java based enterprise applications
  4. Hands-on experience in developing web-based Java applications
  5. Experience designing, developing, and supporting enterprise applications using both Java/J2EE and Microsoft .NET technologies (C#, ASP.NET http://ASP.NET, .NET Core/.NET 6+, Web APIs), including full-stack development, RESTful services, and cloud-native applications.
  • Strong Knowledge on Application Development using Software Development Life Cycle SDLC using various methodologies like Waterfall, Agile/Scrum.
  • Expertise in working with various J2EE technologies including Hibernate, Servlets, JNDI, JMS, JDBC, SOAP and Rest based Web services, Concurrent programming.
  • Experience in using Java coding in combination with AWS native services, Lambda, S3, Kinesis Stream
  • Experience in implementing Java EE design patterns.
  • Oversee peer code reviews and provide active guidance and direction on development.
  • Develops/updates Services and APIs using Java technology for use in current and future projects
  • Excellent team player with good analytical, strategic planning and interpersonal and communication skills. Highly motivated, enthusiastic and self-starter Required Qualifications lambda, ECS, step functions, ec2, ECS fargate, api gateway, dynamo db, docker, cloud formation Desired Qualifications and Education Requirements: Bachelor’s Degree in Information Technology, Computer Science or the equivalent combination of training, education, and experience
  • Desired knowledge in any API gateway solution.
  • Expert verbal, interpersonal and written communication skills
  • Advanced skill troubleshooting and resolving technical problem.
  • Expert skill in results-oriented leadership in a challenging environment