Luis Kupferberg

Luis Kupferberg

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Java Senior Developer
Bolivia

Contact Luis regarding: 
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Full-time jobs
Starting at USD6K/month

Timeline


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Résumé


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  • BairesDev
    Fullstack Java Engineer – Technical Leader
    BairesDev
    Jan 2023 - Dec 2023 (1 year)
    Stratascale Organizing work, having some meetings with the technical parts to define solutions, created some solutions for determined features. Created Spring Cloud Gateway, path validator with Migrated Spring Cloud security with generic controller. Created some solutions over the application coordinating with devs, infrastructure team, relative teams to have the better solution. Integrated logs with Fluentd to move into AWS, created integration over assumed roles on STS, moved script migrations into Liquibase. Created some solutions over Angular routing and some validations, automated deployments with postman Technologies used: Java, Spring Boot, Spring Cloud, AWS Services, OAuth, Angular, AWS SDK, Docker, Lombok, Jest, Junit, Spring secu
  • BairesDev
    Fullstack Java Engineer
    BairesDev
    Oct 2022 - Dec 2022 (3 months)
    Stratascale Developing java application over with microservice perspective, but using restful Controller. Spring boot was applied with their last version, a vault for sensitive information, created the connection between application and vault using side car and applied configurations over Kubernetes and applied Spring security and applied some solutions over Angular pages. Technologies used: Java, Spring Boot, Spring Cloud, AWS Services, OAuth, Angular, AWS SDK, Docker, Lombok, Jest, Junit, Vault, Kubernetes
  • BairesDev
    Fullstack Java Engineer
    BairesDev
    Oct 2021 - Sep 2022 (1 year)
    HealthBridge Developing java application over monolith with microservice perspective, but using restful Controller. Spring boot was applied with their last version using Snyx as a dependencies analyzer. Application developed to handle requests from admin and user applications. These two had security handling, and database version control, deployed over AWS Beanstalk, CI/CD on Jenkins, and most of the decoupled services were on AWS. A lot of info queries info got from indexed info using Elastic Search. As well, was modified some of the functionality on the front end built on React. Some development for SSO. Technologies used: Java, Spring Boot, Spring Cloud, AWS Services, GCP, OAuth, React, Elastic Search, Flyway, AWS SDK, localstack, Dock
  • N
    Cloud Engineer, Java Senior Developer
    Nearshore Code
    Nov 2020 - Jun 2021 (8 months)
    Client: Evertec, Mi Banco Popular de Puerto Rico, Banco Cooperativo de Puerto Rico Project 5 – BCPR (Banco Cooperativo de Puerto Rico) Backend TEAM - (4 month.): Cloud development knowledge guide, Development integration philosophy implementer, such QA integration with BA and development teams into the story’s definition and stablishing QA framework and code revision processes according to the project modifying the previous way to have a more clear and less repetitive process. QA documenting and automation framework improver to use Spring with Appium. Cloud Architecture definition comparing different solutions on the project orchestrator (business logic handler) in terms of cost, efficiency, checking better features of each technology (App
  • N
    Senior Java Developer
    Nearshore Code
    Jul 2020 - Nov 2020 (5 months)
    Client: Evertec, Banco Popular de Puerto Rico Project 4 – MBCI TEAM - (4 month.): Team is in charge of manage, fix the existent defects in the web, core projects, to have a secure code, these improvements are related to Backend and frontend code in the web applications and related services, also the administrator web was analyzed. The team also has the responsibility to migrate DB data, upgrade software versions or used libraries. • Upgraded jQuery libraries, tested and fixed defects of JavaScript code, CSS Code. · Fixed, analyzed, tested code on Spring 3.0 using Java, Lombok, mapstruct. · Database used: Oracle. · Kiuwan defects and vulnerabilities analyzer, using a Local Analyzer, Jenkins to validate the defects reducing in complement wit
  • N
    Cloud Engineer
    Nearshore Code
    Mar 2020 - Jul 2020 (5 months)
    Client: Evertec, Banco Popular de Puerto Rico Project 3 - Mi Banco 4.0- (4 months): Moved to a new architecture technology in charge of provide the necessary infrastructure for the backend and frontend (mobile) teams in AWS cloud service, learning new development language to increase the knowledge in languages. · Cloud technologies: AWS CDK, AWS console using, AWS CLI, AWS API Gateway, API Cognito, AWS ECR, AWS ECS, AWS EC2, AWS NLB, AWS ALB, AWS DynamoDB. All the CDK framework was applied using Typescript. The authentication was applied with AWS IAM with MFA. · Database used: AWS DynamoDB. · Kiuwan defects for JavaScript and typescript, using AWS Pipeline. · Unit testing with Jest. · Scrum like Agile methodology. · Project Tools: Visual St
  • N
    Java Developer
    Nearshore Code
    Nov 2019 - Mar 2020 (5 months)
    Client: Evertec and Banco Popular de Puerto Rico Project 2 – MBSD TEAM - (5 months.): Team is in charge of develop solutions for the web and mobile application, like profiles modification, improving form validations, form flows, upgrading the use of the backend framework. Develop using hybrid Framework to be used on mobile devices (Android, iOS). Also using the Google Adds plugin to have the control of the using of the different services. Developing screens and changing the flow on mobile app. Adding CSS elements to define the same behavior as Android and iOS. Changing the behavior in the Hybrid framework to ease the use of the application. • JavaScript, CSS, AJAX Communication. · Java, Spring 3.0, Lombok, mapstruct, velocity. · Database u
  • N
    Microservice Java Developer
    Nearshore Code
    Nov 2018 - Nov 2019 (1 year 1 month)
    Project 1 and client – Curantis Solutions Developing of microservice to handle care teams (medical teams that take care of a specific patient). Fixing multiple bugs, developing new features, about operations related with doctors that attend to patients, múltiple kind of assignations. Defining new kind of native native sortings (Spring JPA). • Using of Java 8 Streams, Migrating from scratch application using latest Spring framework, naming definitions and applying code cleaning. Developing microservices with Spring restful and Spring MVC. Developing new feature for replicating patient assessments, using some functionality on AOP on project, using sync id’s. Developing using Spring events, transaction control, Developing using factory, stat
  • Viva Bolivia
    Software Developer
    Viva Bolivia
    Aug 2013 - Nov 2018 (5 years 4 months)
    Improvement of VAS platform with some new features. Strong knowledge and experience in agile methodologies for development. Balance enquiry system through USSD. ATM's: this is related with the previous project, where is also used interconnection with several others CRM Services. Viva Wallet: Back end application for managing virtual money and several operations between users, developing the first version of the core and the front end. Atlas platform: back end and front end developing using Maven with modules for the web, the logic and the Data Base Access, this platform includes the interfaces with logic for the USSD services. Continuous involvement with clients helping them defining requirements and needs. • Programming: Java SE 6, 7 and 8