Hernan Y.

Hernan Y.

Senior Java Engineer

Buenos Aires, Argentina
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About Me

Hernan is a Senior Java Developer proficient in object-oriented programming, multithreading, concurrency, and data structures - owning the lifecycle from clarifying requirements to ensuring their successful deployment and usage. He understands design and integration patterns in developing microservices for a distributed, multi-tenant system - designing critical features and subsystems, working out all the details, and delivering rock-solid implementations for clients.

Work history

UpStack
UpStack
Senior Java Developer
2023 - Present (1 year)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

  • Participate in scrums consisting of cross-functional teams, both software and hardware.

  • Ensure that features are being delivered efficiently and on-time.

Zopa
Zopa
Senior Backend Developer
2022 - Present (2 years)
Remote
  • Designed, implemented, and integrated microservices on Zopa's PoS platform for BNPL products.

  • Established best practices in delivering a robust, high-performant, resilient, and observable platform.

  • Selected appropriate technical frameworks and solution delivery methodologies in deploying solutions to optimize the platform.

Ingenia
Ingenia
Fullstack Architect
2020 - 2020
Argentina
  • Provided solutions to enhance and optimize the DevSecOps CI/CD pipelines on the microservice architecture of different banks.

  • Reviewed functional and non-functional requirements and delivered technical documentation for Kafka implementation on solutions.

  • Utilized modern dev tools, frameworks, and best practices to deliver scalable solutions for clients.

MaetaData
MaetaData
Senior Software Developer
2019 - 2022 (3 years)
Remote
  • Migrated the Maeta cloud-based SaaS monolithic application into a modern microservice-based architecture.

  • Maintained the technology roadmap for the SaaS and contributed ideas to implement required processes, features and standards.

  • Owned processes to design, develop, document, and deploy performant and scalable solutions on the SaaS platform.

Maecenas
Maecenas
Senior Software Developer
2017 - 2019 (2 years)
London, United Kingdom
  • Developed, documented, and implemented new functionalities, built enhancements, and delivered fixes on the Maecan platform.

  • Participated in sprint planning, task estimation, and user story creation to develop optimal application functionalities on the project.

  • Troubleshot and maintained the existing codebase into scalable, resilient solutions.

FarmLogix
FarmLogix
Senior Software Developer
2015 - 2018 (3 years)
Remote
  • Reverse-engineered an MVP built with legacy stacks into a modern, scalable, and resilient solution.

  • Designed, developed, and implemented frontend components and backend services for a SaaS platform.

  • Led a small dev team to manage the technical infrastructure and operations of the platform - fixing bugs and refactoring codebases.

DXMarkets
DXMarkets
Senior Software Developer
2014 - 2017 (3 years)
United Kingdom
  • Worked on the design of a new UI on a SPA for a cryptocurrency exchange.

  • Liaised with another dev to implement the whole application and deploy it to production.

  • Troubleshot, diagnosed, and fixed bugs and defects on the application.

Apploi
Apploi
Senior Software Engineer
2014 - 2015 (1 year)
Remote
  • Designed and implemented innovative features and enhancements on the Apploi platform.

  • Developed and executed iterative functionalities on the platform - writing and deploying tests for each function.

  • Introduced best practices to improve the quality of solutions and codebase where necessary.

ABC Consulting
ABC Consulting
Technical Lead
2011 - 2014 (3 years)
Remote
  • Designed, developed, implemented, and maintained multiple client-server applications for Union Pacific.

  • Built and deployed a new library to improve SAP-to-Java communication on the project.

  • Established best practices to enhance quality and productivity, handled user stories analysis and functional/technical documentation.

Grupo OSDE
Grupo OSDE
Application Architect
2007 - 2011 (4 years)
Buenos Aires, Argentina
  • Led processes to design, develop, and implement multiple health-focused applications for OSDE.

  • Translated functional requirements into technical specifications and implemented them into high-quality software solutions.

  • Worked on PoCs, evaluated different tech stacks and tools, and handled delivery management, code reviews, and application tuning.

Accenture
Accenture
Java Developer
2007 - 2007
Argentina
  • Designed and developed new features for an enterprise banking portal.

  • Provided high-quality fixes to defects and bugs on the project.

  • Assisted the team lead in coordinating technical tasks and implementing new solutions on the portal.

Globant
Globant
Java Developer
2006 - 2007 (1 year)
Argentina
  • Worked on a web-based flight data aggregator for OAG.

  • Provided fixes and enhancements to both frontend and backend applications.

  • Defined objectives on solutions by analyzing user requirements and envisioning features and functionalities.

Sisdam
Sisdam
Java Developer
2005 - 2006 (1 year)
Argentina
  • Built and implemented a web-based CMS solution that meets ISO 9001 quality management standards.

  • Designed, developed, and implemented solutions for a new version of the CMS product.

  • Troubleshot development and production problems across multiple environments on the project.

iTcon
iTcon
Java Developer
2005 - 2005
Argentina
  • Developed a custom Lotus Notes component that enhanced digital signatures and validations in the Lotus Notes forms.

  • Worked on processes to deliver different Lotus Notes applications for iTcon.

  • Analyzed and identified gaps in the project, made recommendations to resolve gaps, and monitored results.

Portfolio

Senior Software Developer - Lending Origination Shared Services
Senior Software Developer - Lending Origination Shared Services

Worked on the MVP for Zopa's "buy now pay later" product on its platform - implementing shared microservices across the Zopa platform. The solution seeks to enhance the Lending Origination Shared Services when customers submit applications. Designed and implemented new microservices using Kotlin, Kubernetes, Kafka, and PostgreSQL.

Senior Software Developer - MaetaData
Senior Software Developer - MaetaData

MaetaData is an AI-driven technology that transforms complex food service industry data into powerful tools that elevate ingredient and source transparency, empower local and diverse supplier engagements, and elevate CSR/ESG reporting. Designed and implemented solutions on the MaetaData platform from scratch - leading a team of devs to deliver the infrastructure and keep the solution operational.

Fullstack Developer - Maecenas
Fullstack Developer - Maecenas

Contributed solutions to the first crypto platform that sold real-world artwork through a decentralized auction process. Built the frontend components and implemented some microservices for the auction platform. Worked on the platform using AngularJS, JavaScript, .NET, AWS, REST, and microservices.

Education

Information Systems Engineer
Information Systems Engineer
Universidad Tecnológica Nacional
2001 - 2007 (6 years)