7 Ofertas de Backend Developer en Costa Rica

Become an EXpert as a Senior Backend Developer (Java + AWS)
At EX Squared LATAM, we empower global brands through innovative digital strategies. We're looking for a Senior Backend Developer with strong expertise in Java and AWS to design, develop, and optimize scalable, high-performance backend services for enterprise-grade applications.

This role is ideal for a bilingual professional passionate about clean architecture, cloud-native development, performance tuning, and delivering secure, reliable solutions.

6-month contract
– Opportunity to make a direct impact on high-level digital solutions.

Hybrid model
– You will be expected to work 1 day per week (Wednesdays) from the office.

What You'll Do

• Design, build, and maintain backend services and APIs using Java and Spring Boot.
• Develop and optimize RESTful APIs for enterprise-grade applications.
• Integrate backend services with AWS infrastructure (S3, Lambda, API Gateway, RDS).
• Apply object-oriented principles and design patterns to build scalable, maintainable solutions.
• Optimize database operations: queries, stored procedures, performance tuning, and troubleshooting.
• Collaborate with cross-functional teams (Frontend, Product, QA) to ensure smooth delivery.
• Write unit and integration tests with JUnit and related frameworks.
• Operate in CI/CD pipelines using Jenkins, GitHub Actions, or GitLab CI.
• Support observability and monitoring using Datadog, Splunk, or similar tools.
• Work in Unix/Linux environments for deployments and troubleshooting.

What You'll Bring (Must-Have)

• Bilingual proficiency (English C1+) with ability to explain technical concepts clearly.
• 5+ years of professional experience in backend development with Java.
• Strong knowledge of Java fundamentals: Collections, Streams, Lambdas, functional programming, concurrency, and error handling.
• Proven expertise in Spring Boot & Spring MVC.
• Hands-on experience designing and consuming RESTful APIs.
• Advanced skills in relational databases (Oracle, PostgreSQL, or MySQL) and PL/SQL.
• Experience deploying and integrating with AWS services (S3, RDS, Lambda, API Gateway).
• Proven experience in performance optimization and scalability (SQL tuning, memory management, high-load services).
• Familiarity with CI/CD workflows and Git.
• Comfort working in Unix/Linux environments.

Nice to Have

• Experience with GraphQL (design and implementation).
• Experience with Terraform or other Infrastructure as Code tools.
• Familiarity with microservices architecture and distributed systems.
• Knowledge of secure coding practices and static code analysis.
• Experience with Docker, Kubernetes, or event-driven architectures (Kafka, SNS/SQS).
• Understanding of cloud security best practices.

Why Join EX Squared?
At EX Squared, you'll join a team that's reshaping digital experiences across LATAM and beyond. We foster a culture of innovation, continuous learning, and collaboration, empowering our people to create real impact for global clients.

What We Offer

• Competitive salary in USD.
• Hybrid model (remote + one day per week onsite).
• Access to continuous learning programs.
• Inclusive and collaborative culture.
• Recognition for outstanding performance.

Conviértete en un EXpert como Senior Backend Developer (Java + AWS)

En EX Squared LATAM potenciamos a marcas globales a través de estrategias digitales innovadoras. Buscamos un Senior Backend Developer con sólida experiencia en Java y AWS para diseñar, desarrollar y optimizar servicios backend escalables y de alto rendimiento para aplicaciones de nivel empresarial.

Este rol es ideal para un profesional bilingüe, apasionado por la arquitectura limpia, el desarrollo cloud-native, la optimización de rendimiento y la entrega de soluciones seguras y confiables.

Contrato de 6 meses – Oportunidad de generar un impacto directo en soluciones digitales de alto nivel.

Lo que harás

• Diseñar, construir y mantener servicios backend y APIs utilizando Java y Spring Boot.
• Desarrollar y optimizar APIs RESTful para aplicaciones empresariales.
• Integrar servicios backend con infraestructura AWS (S3, Lambda, API Gateway, RDS).
• Aplicar principios de programación orientada a objetos y patrones de diseño para construir soluciones escalables y mantenibles.
• Optimizar operaciones de base de datos: queries, procedimientos almacenados, ajuste de rendimiento y resolución de problemas.
• Colaborar con equipos multifuncionales (Frontend, Producto, QA) para asegurar una entrega fluida.
• Escribir pruebas unitarias e integraciones con JUnit y frameworks relacionados.
• Operar en pipelines CI/CD utilizando Jenkins, GitHub Actions o GitLab CI.
• Dar soporte en observabilidad y monitoreo con Datadog, Splunk u otras herramientas similares.
• Trabajar en entornos Unix/Linux para despliegues y resolución de incidencias.

Lo que necesitas para tener éxito (Must-Have)

• Dominio bilingüe (Inglés C1+) con capacidad para explicar conceptos técnicos con claridad.
• 3+ años de experiencia profesional en desarrollo backend con Java.
• Sólidos conocimientos de fundamentos de Java: Collections, Streams, Lambdas, programación funcional, concurrencia y manejo de errores.
• Experiencia comprobada en Spring Boot y Spring MVC.
• Experiencia práctica diseñando y consumiendo APIs RESTful.
• Conocimientos avanzados en bases de datos relacionales (Oracle, PostgreSQL o MySQL) y PL/SQL.
• Experiencia desplegando e integrando servicios con AWS (S3, RDS, Lambda, API Gateway).
• Experiencia en optimización de rendimiento y escalabilidad (tuning de SQL, gestión de memoria, servicios de alto tráfico).
• Familiaridad con flujos CI/CD y Git.
• Comodidad trabajando en entornos Unix/Linux.

Deseable (Nice to Have)

• Experiencia con GraphQL (diseño e implementación).
• Experiencia con Terraform u otras herramientas de Infraestructura como Código.
• Familiaridad con arquitecturas de microservicios y sistemas distribuidos.
• Conocimiento de prácticas de codificación segura y análisis estático de código.
• Experiencia con Docker, Kubernetes o arquitecturas event-driven (Kafka, SNS/SQS).
• Conocimiento de buenas prácticas de seguridad en la nube.

Por qué unirte a EX Squared

En EX Squared te unirás a un equipo que está transformando experiencias digitales en LATAM y más allá. Fomentamos una cultura de innovación, aprendizaje continuo y colaboración, empoderando a nuestra gente para generar un impacto real en clientes globales.

Lo que ofrecemos

• Salario competitivo en USD.
• Modalidad remoto.
• Acceso a programas de aprendizaje continuo.
• Cultura inclusiva y colaborativa.
• Reconocimiento al desempeño sobresaliente.

Become an EXpert as a Senior Backend Developer (Java + AWS)

At EX Squared LATAM, we empower global brands through innovative digital strategies. We're looking for a Senior Backend Developer with strong expertise in Java and AWS to design, develop, and optimize scalable, high-performance backend services for enterprise-grade applications.

This role is ideal for a bilingual professional passionate about clean architecture, cloud-native development, performance tuning, and delivering secure, reliable solutions.

6-month contract – Opportunity to make a direct impact on high-level digital solutions.

Hybrid model – You will be expected to work 1 day per week (Wednesdays) from the office.

What You'll Do

• Design, build, and maintain backend services and APIs using Java and Spring Boot.
• Develop and optimize RESTful APIs for enterprise-grade applications.
• Integrate backend services with AWS infrastructure (S3, Lambda, API Gateway, RDS).
• Apply object-oriented principles and design patterns to build scalable, maintainable solutions.
• Optimize database operations: queries, stored procedures, performance tuning, and troubleshooting.
• Collaborate with cross-functional teams (Frontend, Product, QA) to ensure smooth delivery.
• Write unit and integration tests with JUnit and related frameworks.
• Operate in CI/CD pipelines using Jenkins, GitHub Actions, or GitLab CI.
• Support observability and monitoring using Datadog, Splunk, or similar tools.
• Work in Unix/Linux environments for deployments and troubleshooting.

What You'll Bring (Must-Have)

• Bilingual proficiency (English C1+) with ability to explain technical concepts clearly.
• 5+ years of professional experience in backend development with Java.
• Strong knowledge of Java fundamentals: Collections, Streams, Lambdas, functional programming, concurrency, and error handling.
• Proven expertise in Spring Boot & Spring MVC.
• Hands-on experience designing and consuming RESTful APIs.
• Advanced skills in relational databases (Oracle, PostgreSQL, or MySQL) and PL/SQL.
• Experience deploying and integrating with AWS services (S3, RDS, Lambda, API Gateway).
• Proven experience in performance optimization and scalability (SQL tuning, memory management, high-load services).
• Familiarity with CI/CD workflows and Git.
• Comfort working in Unix/Linux environments.

Nice to Have

• Experience with GraphQL (design and implementation).
• Experience with Terraform or other Infrastructure as Code tools.
• Familiarity with microservices architecture and distributed systems.
• Knowledge of secure coding practices and static code analysis.
• Experience with Docker, Kubernetes, or event-driven architectures (Kafka, SNS/SQS).
• Understanding of cloud security best practices.

Why Join EX Squared?

At EX Squared, you'll join a team that's reshaping digital experiences across LATAM and beyond. We foster a culture of innovation, continuous learning, and collaboration, empowering our people to create real impact for global clients.

What We Offer

• Competitive salary in USD.
• Hybrid model (remote + one day per week onsite).
• Access to continuous learning programs.
• Inclusive and collaborative culture.
• Recognition for outstanding performance.

Conviértete en un EXpert como Senior Backend Developer (Java + AWS)
En EX Squared LATAM potenciamos a marcas globales a través de estrategias digitales innovadoras. Buscamos un
Senior Backend Developer
con sólida experiencia en
Java y AWS
para diseñar, desarrollar y optimizar servicios backend escalables y de alto rendimiento para aplicaciones de nivel empresarial.

Este rol es ideal para un profesional bilingüe, apasionado por la arquitectura limpia, el desarrollo cloud-native, la optimización de rendimiento y la entrega de soluciones seguras y confiables.

Contrato de 6 meses
– Oportunidad de generar un impacto directo en soluciones digitales de alto nivel.

Lo que harás

• Diseñar, construir y mantener servicios backend y APIs utilizando Java y Spring Boot.
• Desarrollar y optimizar APIs RESTful para aplicaciones empresariales.
• Integrar servicios backend con infraestructura AWS (S3, Lambda, API Gateway, RDS).
• Aplicar principios de programación orientada a objetos y patrones de diseño para construir soluciones escalables y mantenibles.
• Optimizar operaciones de base de datos: queries, procedimientos almacenados, ajuste de rendimiento y resolución de problemas.
• Colaborar con equipos multifuncionales (Frontend, Producto, QA) para asegurar una entrega fluida.
• Escribir pruebas unitarias e integraciones con JUnit y frameworks relacionados.
• Operar en pipelines CI/CD utilizando Jenkins, GitHub Actions o GitLab CI.
• Dar soporte en observabilidad y monitoreo con Datadog, Splunk u otras herramientas similares.
• Trabajar en entornos Unix/Linux para despliegues y resolución de incidencias.

Lo que necesitas para tener éxito (Must-Have)

• Dominio bilingüe (Inglés C1+) con capacidad para explicar conceptos técnicos con claridad.
• 3+ años de experiencia profesional en desarrollo backend con Java.
• Sólidos conocimientos de fundamentos de Java: Collections, Streams, Lambdas, programación funcional, concurrencia y manejo de errores.
• Experiencia comprobada en Spring Boot y Spring MVC.
• Experiencia práctica diseñando y consumiendo APIs RESTful.
• Conocimientos avanzados en bases de datos relacionales (Oracle, PostgreSQL o MySQL) y PL/SQL.
• Experiencia desplegando e integrando servicios con AWS (S3, RDS, Lambda, API Gateway).
• Experiencia en optimización de rendimiento y escalabilidad (tuning de SQL, gestión de memoria, servicios de alto tráfico).
• Familiaridad con flujos CI/CD y Git.
• Comodidad trabajando en entornos Unix/Linux.

Deseable (Nice to Have)

• Experiencia con GraphQL (diseño e implementación).
• Experiencia con Terraform u otras herramientas de Infraestructura como Código.
• Familiaridad con arquitecturas de microservicios y sistemas distribuidos.
• Conocimiento de prácticas de codificación segura y análisis estático de código.
• Experiencia con Docker, Kubernetes o arquitecturas event-driven (Kafka, SNS/SQS).
• Conocimiento de buenas prácticas de seguridad en la nube.

Por qué unirte a EX Squared
En EX Squared te unirás a un equipo que está transformando experiencias digitales en LATAM y más allá. Fomentamos una cultura de innovación, aprendizaje continuo y colaboración, empoderando a nuestra gente para generar un impacto real en clientes globales.

Lo que ofrecemos

• Salario competitivo en USD.
• Modalidad remoto.
• Acceso a programas de aprendizaje continuo.
• Cultura inclusiva y colaborativa.
• Reconocimiento al desempeño sobresaliente.

About FullStack
FullStack is the most transparent IT talent network, connecting highly skilled individuals with top global companies and Silicon Valley startups for remote, on-demand projects. We focus on building a trusted, high-performance network where talent can thrive in a positive, respectful, and supportive environment. By prioritizing transparency, fair opportunities, and professional growth, we empower our engineers to deliver their best work while collaborating with innovative teams worldwide.

We're Most Proud Of

• Offering life-changing opportunities for talented software professionals across the Americas.
• Enhancing highly-skilled software development teams of hundreds of the world's greatest companies.
• Our 4.2-star rating on GlassDoor.
• Our client Net Promoter Score of 68, twice the industry average.

The Opportunity
Join our talent network and connect with U.S. clients for flexible, project-based development work as a Backend Node + RoR Developer.

• You will integrate directly into our client's team and work alongside their existing designers and engineers on a daily basis.

What We're Looking For

• 4+ years of professional software development experience.
• Advanced English is required.
• Successful completion of a four-year college degree is required.
• Proven experience designing and implementing backend systems using as the main technology.
• Hands-on experience with Bun and Elysia frameworks is a strong plus.
• Practical experience developing and maintaining applications in Ruby on Rails.
• Strong understanding of RESTful API design, integration, and backend architecture.
• Experience with relational databases such as PostgreSQL or MySQL and ORM tools.
• Proficient with Git and modern CI/CD workflows.
• Solid understanding of cloud environments and containerization using Docker.
• Excellent communication skills and ability to collaborate in cross-functional teams.
• Ability to work through new and difficult issues and contribute to libraries as needed.
• Ability to create and maintain continuous integration and delivery of applications.
• Forensic attention to detail.
• A positive mindset and a can-do attitude.
• Experience working on Agile/Scrum teams.
• Meaningful experience working on large, complex systems.
• Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon.
• Ability to identify with the goals of FullStack's clients, and dedicate yourself to delivering on the commitments you and your team make to them.
• Ability to consistently work 40 hours per week.

What We Offer

• Competitive pay.
• 100% remote work.
• The ability to work with leading startups and Fortune 500 companies.
• Continuing education opportunities.
• Opportunity to grow and expand your career.

Our talent network is committed to fostering a diverse, inclusive, and accessible environment where IT professionals can find opportunities that match their skills. We welcome individuals of all races, religions, genders, sexual orientations, national origins, abilities, and experiences. Our focus is on connecting talent with projects based on qualifications, ensuring a fair and transparent process that values diverse perspectives and global collaboration.

Learn more about our Applicants Privacy Notice.

Database Architect Management IV

Job Summary

This position is responsible for designing reporting requirements. Develops reporting solutions by working with stakeholders in their design, planning, and implementation while ensuring consistency and coherency. Create data reports, visualizations, and BI reports that support stakeholders. In addition, monitors all daily, weekly, and monthly ETL issues and report delays. querying, merging, and extracting data across sources; completing routine data refresh and update; developing and/or delivering tools for electronic data collection; and providing user training, support, and documentation.

Essential Responsibilities

• Design reporting requirements.
• Develop reporting solutions by working with stakeholders in their design, planning, and implementation while ensuring consistency and coherency.
• Create data reports, visualizations, and BI reports that support stakeholders.
• Monitor all daily, weekly, and monthly ETL issues and reporting delays, querying, merging, and extracting data across sources; completing routine data refresh and update; developing and/or delivering tools for electronic data collection; and providing user training, support, and documentation.

Job Qualifications

Minimum Qualifications

• Excel
• Alteryx
• Tableau
• MS SQL; PL SQL
• SAS
• Informatica
• Minimum one (1) year experience in a lead role with or without direct reports.
• Bachelor's degree in Mathematics, Statistics, Computer Science, Engineering, Social/Physical/Life Science, Business, or related field and Minimum five (5) years' experience in database configuration, architecture or management, or a directly related field.
• Minimum one (1) year experience in a leadership role with or without direct reports.
• Bachelor's degree in Mathematics, Statistics, Computer Science, Engineering, Social/Physical/Life Science, Business, or related field and Minimum five (5) years' experience in database configuration, architecture or management, or a
• directly related field. Additional equivalent work experience of three (3) years for a total of eight (8) years in a directly related field may be substituted for the degree requirement.

Preferred Qualifications

• Python
• R
• Power BI