Senior Full-Stack Software Engineer (Java/.NET & AWS)
Allwyn Corp • Allwyn US- Remote
Posted: July 16, 2026
Job Description
Job Overview:
Senior Full-Stack Software Engineer responsible for building web applications using Java, and many other cutting-edge technologies.
Responsibilities:
Extensive IT experience in analysis, design, development, documentation, implementing and testing of software systems in Java, J2EE technologies.
Full-stack application development with both front-end and back-end development.
Design, development, and delivery of Java based enterprise applications
Hands-on experience in developing web-based Java applications
Experience designing, developing, and supporting enterprise applications using both Java/J2EE and Microsoft .NET technologies (C#, 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
Additional Content
Job Overview:
Senior Full-Stack Software Engineer responsible for building web applications using Java, and many other cutting-edge technologies.
Responsibilities:
Extensive IT experience in analysis, design, development, documentation, implementing and testing of software systems in Java, J2EE technologies.
Full-stack application development with both front-end and back-end development.
Design, development, and delivery of Java based enterprise applications
Hands-on experience in developing web-based Java applications
Experience designing, developing, and supporting enterprise applications using both Java/J2EE and Microsoft .NET technologies (C#, 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