About Nicolas
Senior Full-Stack Engineer with 7+ years of professional experience building scalable, cloud-native enterprise applications. Specializing in robust backend architecture with Java and Spring Boot, interactive frontend interfaces using React.js, and cloud deployments on AWS.
Bilingual professional (Native Spanish / Duolingo Certified Fluent English - C2 Level), fully available for seamless B2B / Freelance contracting with European and global entities.
Core Competencies & Stack:
• Backend: Java, Spring Boot, Microservices, REST APIs, Spring Security.
• Frontend: React.js, JavaScript (ES6+), TypeScript, Vue.js, modern UI/UX workflows.
• Cloud & DevOps: AWS (Cloud Practitioner Certified), Cloud Computing, CI/CD pipelines, Docker, Git.
• Databases: PostgreSQL, MySQL, MongoDB, DynamoDB.
Proven track record driving code quality benchmarks, leading technical development teams, and integrating advanced automation frameworks for multinational telecom and enterprise insurance clients. Available immediately for remote software contracts or staff augmentation.
English
Native or bilingual
Spanish
Native or bilingual
Remote only
Primarily works remotely
Experience
- SageSure (via GlobalLogic - Hitachi Group)Senior Full-Stack EngineerDIGITAL AND ITJanuary 2024 - Today (2 years and 6 months)Buenos Aires, Argentina• * Architect and develop scalable backend microservices using Java and Spring Boot, enhancing system reliability and feature deployment speed by implementing clean code practices.• * Design, manage, and optimize cloud infrastructure on AWS, ensuring secure, compliant, and cost-effective cloud-native architectures for enterprise insurance software.• * Collaborate daily with cross-functional international teams under Agile/Scrum methodologies, leveraging robust Git version control and automated deployment pipelines.
- Telefónica (via Tsoft Argentina)Development & Architecture LeadDIGITAL AND ITJanuary 2023 - December 2023 (11 months)Buenos Aires, Argentina• * Led the technical architecture and software development for the "TopUp Movistar" core project, successfully processing high-volume financial transactions.• * Managed and mentored a team of developers, establishing code quality benchmarks, conducting code reviews, and optimizing deployment pipelines.• * Spearheaded innovative tech integrations, incorporating AI frameworks into legacy Java environments to automate internal processes and data processing.
- EpidataFull-Stack Software DeveloperDIGITAL AND ITJanuary 2022 - January 2023 (1 year)Buenos Aires, Argentina• * Developed and maintained end-to-end features using Java for backend systems and React/Vue for interactive frontend user interfaces.• * Designed, optimized, and integrated secure RESTful APIs, improving data transmission efficiency between client and server architectures.• * Managed database migrations, query optimization, and schema designs for both relational (SQL) and non-relational (NoSQL) database engines.
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Education
- Associate of Computer Science (A.S.)University of the PeopleAssociate of Computer Science (A.S.)
- AWS Cloud Practitioner Official CertificationAmazon Web ServicesAWS Cloud Practitioner Official Certification