Hernan Y.

Hernan Y.

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. Hernan's tech stack includes Java, Kotlin, Grails, Groovy, Spring Boot, Hibernate, JavaScript, Docker, Kubernetes, AWS, and some knowledge in Node.js and React.

AI, ML & LLM

Frontend

Backend

Database

DevOps

QA & Testing

Workflow

Other

Work history

UpStack
UpStack
Senior Java Developer
2023 - Present (2 years)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

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

  • Ensuring that features are being delivered efficiently and on time.

Zopa Bank
Zopa Bank
Back-end Developer
2022 - 2023 (1 year)
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
Full-stack Architect
2020 - 2020
Buenos Aires, Argentina
  • Provided solutions to enhance and optimize the DevSecOps CI/CD pipelines on the microservices architecture of different banks.

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

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

KafkaAnsibleRHELGitlabDockerKubernetesSonarCI/CD Pipelines DevSecOps Functional Requirements
MaetaData
MaetaData
Full-stack Developer
2019 - 2022 (3 years)
Remote
  • Migrated the Maeta cloud-based SaaS monolithic application into a modern microservices-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
Full-stack Developer
2018 - 2019 (1 year)
Remote
  • Developed, documented, and implemented new functionalities, built enhancements, and delivered fixes on the Maecenas platform.

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

  • Maintained the existing codebase into scalable, resilient solutions.

DXMarkets
DXMarkets
Front-end Developer
2015 - 2017 (2 years)
Remote
  • Worked on the design of a new UI of a SPA for a cryptocurrency exchange.

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

  • Diagnosed and fixed bugs and defects on the application.

FarmLogix (MaetaData)
FarmLogix (MaetaData)
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 front-end components and back-end 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.

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 (now Concentrix)
ABC Consulting (now Concentrix)
Tech Lead
2011 - 2014 (3 years)
Buenos Aires, Argentina
  • 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
  • Designed, developed, and implemented healthcare 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
Buenos Aires, 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)
Buenos Aires, Argentina
  • Worked on a web-based flight data aggregator for OAG.

  • Fixed and enhanced front-end and back-end applications.

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

Sisdam
Sisdam
Java Developer
2005 - 2006 (1 year)
Buenos Aires, 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.

iTcon
iTcon
Java Developer
2005 - 2005
Buenos Aires, 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.

Showcase

Senior Software Developer - Lending Origination Shared Services
Senior Software Developer - Lending Origination Shared Services
  • Implemented shared microservices across the Zopa platform to enhance Lending Origination Shared Services.

  • Designed and implemented new microservices using Kotlin, Kubernetes, Kafka, and PostgreSQL.

  • Focused on improving the Lending Origination Shared Services through optimized data flow and infrastructure.

Senior Software Developer - MaetaData
Senior Software Developer - MaetaData
  • MaetaData is an AI-driven technology transforming food service data.

  • It provides tools for ingredient and source transparency, supplier engagement, and CSR/ESG reporting.

  • The solution was developed and maintained from scratch by a team of developers.

Full-stack Developer - Maecenas
Full-stack Developer - Maecenas
  • Developed front-end components and implemented microservices for a decentralized auction platform.

  • Utilized Angular.js, JavaScript, .NET, AWS, REST, and microservices to build the platform.

  • Contributed to the initial crypto platform's real-world artwork auction functionality.

Education

IT Engineering
IT Engineering
Universidad Tecnológica Nacional - Argentina
2001 - 2007 (6 years)