Available to hire
Hi there! I’m German Valdes, a senior full-stack software engineer based in Auckland, New Zealand. I design, implement, and integrate robust software systems across frontend, backend, and cloud, delivering scalable solutions on time. I enjoy turning complex requirements into clean architectures and mentoring teammates to grow together.
I’ve led API integrations, cloud deployments, and frontend-backend collaboration across fintech, healthcare, and marketing domains, always focusing on performance, quality, and collaborative delivery.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Senior Java Integration Developer at Paloma Digital
June 1, 2024 - PresentLed investigation, design and full-stack implementations of API integrations with Paid Media Partner’s Conversions APIs, providing stakeholders with performance insights for their Ad Campaigns.
Senior Java Integration Developer at Paloma Digital
December 1, 2021 - November 1, 2022Led engineering efforts in the Integrations, Determination, and Payments domains, collaborating with cross-functional teams (BAs, Architects) to design and deliver robust, maintainable APIs.
Senior Java Integration Developer at Paloma Digital
October 1, 2020 - April 1, 2021Led engineering efforts in API integrations for Bakkt Crypto Wallet; collaborated with cross-functional teams to design and deliver robust, maintainable APIs.
Senior Java Developer at Halo Consulting / EROAD
April 1, 2020 - November 1, 2020Mentored Agile practices and design principles to build scalable solutions. Enhanced AWS infrastructure and developed RESTful APIs following OpenAPI standards. Built a BDD-style integration test framework with JUnit5 and modeled databases using Hibernate ORM. Extended Java backend integration with Salesforce using AWS, Java 8, Spring, PostgreSQL, Maven.
Senior Java Developer at Paloma Digital
November 1, 2020 - April 1, 2021Led engineering efforts in Bakkt Crypto Wallet integrations, driving API design and backend enhancements; mentored intermediates, and ensured delivery of robust solutions.
Senior Java Developer at Bakkt Crypto Wallet / Paloma Digital
October 1, 2019 - March 1, 2020Refactored legacy Java systems for 10x faster performance, integrated QuickBooks, and optimized infrastructure with AWS and Kubernetes using a modern Spring Boot stack.
Senior Software Engineer at Stuff
August 1, 2016 - October 1, 2019Led new product developments, modernizing the Stuff homepage and article pages; built a progressive web app in AngularJS and React with server-side rendering to boost web traffic, user base, and SEO rankings. Introduced E2E tests and coached teams on design principles.
Senior Java Integration Developer at Paloma Digital
November 1, 2025 - PresentDesigned and implemented migrations of legacy Python-based ETL pipelines into Java and Kafka, enabling real-time event processing. Led end-to-end delivery with emphasis on coding standards, branching patterns, and risk management; steered critical one-off bug fix deployments to meet deadlines.
Senior Java Integration Developer at TEK Systems
April 1, 2025 - October 1, 2025Led API integrations for Determination and Payments domains; built and optimized DevOps pipelines; ensured non-functional requirements and performance in real-time data processing; collaborated with business analysts and architects.
Senior Java Integration Developer at Paloma Digital
December 1, 2022 - May 1, 2024Designed and implemented API integrations for the Ministry of Health ecosystem; built robust deployment pipelines and ensured non-functional requirements; contributed to continuous delivery across environments.
Senior Java Integration Developer at TEK Systems
December 1, 2020 - May 1, 2024Coordinated Java integration delivery for the Ministry of Health; established DevOps pipelines and environment-agnostic configurations; ensured timely delivery and quality.
Senior Java Developer at Raken
October 1, 2019 - March 1, 2020Refactored legacy Java systems to achieve 10x performance improvements; integrated QuickBooks; optimized infrastructure with AWS and Kubernetes; migrated to a modern Spring Boot-based stack and improved testing practices.
Senior Java Developer at Bakkt Crypto Wallet
April 1, 2021 - December 31, 2021Central role in developing and maintaining the Bakkt crypto wallet backend; implemented core features for payments, refunds, fraud prevention, user management, and third-party integrations.
Education
Java Enterprise Edition Update Course at ORT University
February 1, 2014 - December 1, 2014Bachelor of Information Technologies at Labor University
March 1, 2008 - December 1, 2012Java Enterprise Edition Update Course at ORT University
February 1, 2014 - December 31, 2014Bachelor's degree in Information Technologies at Labor University, Montevideo, Uruguay
March 1, 2008 - December 31, 2012Qualifications
Java Enterprise Edition Update Course
February 1, 2014 - December 1, 2014Bachelor of Information Technologies
March 1, 2008 - December 1, 2012Industry Experience
Software & Internet, Financial Services, Media & Entertainment, Professional Services, Other, Healthcare, Education
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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