Austin S.

Experience

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  Walmart Global Tech

  Jun 2021 - Jun 2022

  Java Software Engineer

  - Worked On developing Spring based Web application, MicroService applications by using Java, Spring Boot, RESTful APIs and SQL/NoSQL Database.- Developed independent Event-Driven MicroService application that communicate through Apache Kafka and deployed services on AWS.- Worked on Transforming the legacy SOAP web service object model to a RESEful APIs based on MicroService model.- Implemented chunk-oriented processing using Spring Batch frameworks for optimizing performance of client jobs on huge volume of data.- Worked on Jenkins, static code analysis, git, CI/CD pipeline deployment and experiment monitoring. Show less

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  American Express

  Jun 2022 - Jan 2023

  Software Engineer

  - Designed and implemented scalable, distributed systems using Java and frameworks such as Vert.x and Spring Boot.- Implemented reactive programming principles using Reactor framework, enhancing application responsiveness by efficiently managing asynchronous operations.- Integrated software components with API Gateways to ensure secure communication using REST endpoints.- Demonstrated expertise in working with NoSQL databases, specifically MongoDB, to store and manage data effectively.- Wrote technical solutions and created operational support guides to ensure efficient maintenance and support of software. Show less

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  PAX Technology

  Jan 2023 - now

  Software Engineer

  - Developed a comprehensive Android application utilizing the POSLink SDK to simulate a Point of Sale (POS) system. Enabled functionalities such as credit transactions, sales processing, batch operations, and initialization, enhancing the payment experience and reducing transaction errors by 20%.- Managed project lifecycles using Agile methodology and Jira, ensuring efficient task tracking and adherence to project timelines.- Conducted rigorous quality assurance tests on existing terminal and app behavior, identifying and resolving issues to maintain software integrity and user satisfaction.Led the development and launch of a cloud base payment application, resulting in a 40% increase in customer engagement.- Executed comprehensive quality assurance tests on terminal and application behaviors, identifying and resolving critical issues to uphold software integrity and enhance user satisfaction.- Spearheaded the development and launch of a cloud-based payment application, increasing customer engagement by 40%. Orchestrated integrations with POS systems and third-party cloud servers, collaborating with EV charge post providers.- Partnered with UX/UI designers, developers, and key stakeholders to define the product vision, develop roadmaps, and identify growth opportunities. Show less