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SR JAVA Engineer

Codea IT

Role overview

Qualifications

  • 6+ years of backend Java development experience
  • Proficiency with Spring ecosystem (Spring, Spring Boot, Hibernate/JPA, JMS, Spring Batch) – essential
  • Experience with large-scale batch processing and REST API development
  • Advanced English; BigQuery and Redis experience; strong SQL and relational databases

Responsibilities

  • Design and develop high-performance backend APIs for financial services applications using Java and the Spring ecosystem
  • Contribute to architecture decisions, optimize performance, and lead batch processing in high-demand environments
  • Ensure code quality through automated testing, CI/CD, and Linux-based deployment within Agile teams
  • Focus on scalability, security, and reliability of critical systems with emphasis on JVM tuning and concurrency

Key facts

Hard skills

About the company

Codea IT logo

Codea IT

  • IT Services & Consulting
  • Startup
  • 11–50
CODEA IT is a world-class IT outsourcing solution Company, which fully integrates on-demand tech talent into IT teams in order to boost software projects. Our wide range of skill profiles and strong industry experience enables us to get the right people for the right job. We provide in-depth, high-quality and cost-effective solutions through onsite and offshore service delivery models, for companies of all sizes. From startups to some of the biggest companies in the world, we led projects for Microsoft, Percona & Coca-Cola, among others. We empower companies to respond more quickly and intuitively to changing markets, bolstering the ability to harness the right technology and helping to become more agile and competitive. Recognized by Clutch.co as one of the leading B2B technology services companies, Codea IT offers an exceptional work environment in which employees can thrive, working in multicultural teams, with flexible hours and endless growth opportunities.
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Job description

Senior Java API Engineer

Buscamos un/a Senior Java Engineer para diseñar y desarrollar APIs backend de alto rendimiento para aplicaciones de servicios financieros. El rol es clave para mejorar la escalabilidad, seguridad y performance de sistemas críticos, trabajando en entornos de alta demanda.

Trabajarás end-to-end con Java y el ecosistema Spring, participando activamente en decisiones de arquitectura, optimización de performance, procesamiento batch y calidad de código dentro de equipos Agile.

Requisitos clave:

  • +6 años de experiencia en desarrollo backend con Java

  • Dominio de Spring, Spring Boot, Hibernate/JPA, JMS y Spring Batch (excluyente)

  • Experiencia en procesamiento batch a gran escala

  • Desarrollo de APIs REST

  • Conocimientos sólidos de JVM, performance tuning y concurrencia

  • Manejo de BigQuery y Redis (excluyente)

  • SQL avanzado y bases de datos relacionales

  • Experiencia en testing automatizado, CI/CD y entornos Linux

  • Background en sistemas de alta disponibilidad y performance

  • Inglés avanzado / fluido (excluyente)

Si te interesan los desafíos técnicos complejos y trabajar con sistemas críticos a gran escala, ¡esta oportunidad es para vos!

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