Java Back End Developer
InfoPeople
Full Stack DeveloperSeeking a Full Stack Developer with strong backend and systems-level development experience to support enterprise applications, API development, and cloud-based solutions. The role focuses on building scalable services, integrating payment systems, and working within AWS environments.Key Responsibilities:Develop and maintain backend services and APIs using JAVA within Windows Server environmentsDesign and optimize database solutions using Oracle DB and PL/SQLBuild and support cloud-based applications leveraging AWS (EC2, RDS, S3)Implement and maintain secure, high-performance integrations (including payment gateways such as TSYS and Financial/EMV)Develop Windows Services and background job processing componentsSupport multi-tenant application architectures and distributed systemsWork on low-level networking solutions including TCP/IP socket programmingCollaborate with cross-functional teams to modernize legacy .NET systemsImplement secure file transfer and encryption integrations (SFTP, RSA certificates)Contribute to system scalability, performance tuning, and reliability improvementsRequired Skills:Strong experience with C#/.NET developmentExpertise in Oracle DB and PL/SQLExperience building Windows Server-based APIsHands-on experience with AWS services (EC2, RDS, S3)Preferred Qualifications:Experience with Windows Services and asynchronous/background processingKnowledge of payment processing systems and POS/payment integrationsFamiliarity with multi-tenant architecture designExperience with TCP/IP socket programmingNice to Have:Experience with SFTP and RSA-based integrationsExposure to legacy application modernization (especially.NET)Awareness of AI/ML integration strategies
Vacancy posted 7 hours ago
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