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Senior Fullstack Developer (Java & React) Jobs | Sngular

Senior Fullstack Developer (Java & React)


Job description

¿POR QUÉ ELEGIR SNGULAR?

La gente viene a SNGULAR atraída por proyectos que usan tecnologías punteras, y se quedan por los grandes profesionales con los que trabajan.

Y además porque ofrecemos esto:

Personas primero: somos una empresa colaborativa orientada a las personas, donde TÚ y tu perspectiva siempre serán valoradas.

Nuestro valor número uno es Personas antes que resultados.

¿Suena bonito?

Pues en SNGULAR, además, lo llevamos a la práctica.

Crecimiento y formación continua : Tenemos un espíritu de Start-up con la infraestructura de una gran organización (ya somos 1500).

Se te ofrecerán oportunidades de crecimiento profesional: aprender nuevas habilidades, obtener nuevas certificaciones, o convertirte en un gran Líder...

¡deja tu zona de confort de la manera que TÚ quieras!

Beneficios increíbles (los tienes detallados al final), tenemos incluso un Wellbeing Pack para cuidar nuestro bienestar físico y mental.

Hemos obtenido el reconocimiento de ser una de las para desarrollar una carrera profesional en España, según la prestigiosa lista LinkedIn Top Companies 2026.

Conoce todo lo que hace de Sngular un #BestPlaceToGrow

¿CUÁL SERÁ TU ROL?

Buscamos un perfil Fullstack con más de 3 años de experiencia en Java (Spring Boot) y React, con una comunicación fluida, mentalidad ágil y que comparta nuestra inquietud por apoyarse e integrar herramientas y frameworks de Inteligencia Artificial en su día a día.

Te integrarás en un equipo dinámico participando en todo el ciclo de vida del producto bajo la metodología Spec-Driven Development (SDD) y metodologías impulsadas por IA.

  • Desarrollo Extremo a Extremo: Crearás soluciones robustas y escalables desde la lógica de negocio en el backend hasta interfaces de usuario dinámicas e intuitivas en el frontend.

  • Ingeniería Impulsada por IA: Investigarás, aplicarás y promoverás el uso de herramientas de IA generativa y asistentes de código para optimizar los flujos de desarrollo, automatizar tareas y acelerar los ciclos de entrega.

  • Modelado y Arquitectura: Diseñarás y leerás diagramas Entidad-Relación (ERD) para estructurar datos, asegurando la consistencia y el correcto flujo de la información.

  • Colaboración Eficiente: Trabajarás mano a mano con el equipo utilizando Git como sistema de control de versiones, garantizando buenas prácticas de integración y despliegue continuo bajo enfoques modernos de desarrollo.

¿CUÁL SERÁ TU RETO TECNOLÓGICO?

  • Integración de IA y Agentes: Investigar e implementar frameworks de IA modernos para construir características inteligentes, trabajar con arquitecturas de agentes autónomos y conectar modelos de lenguaje con las capacidades de nuestro sistema.

  • Arquitectura Avanzada e IA: Implementar y evolucionar sistemas basados en microservicios y arquitectura hexagonal, integrando además bases de datos vectoriales para soportar búsquedas semánticas y contextos de IA.

  • Diseño de APIs basado en SDD: Diseñar, construir y consumir APIs REST robustas utilizando enfoques Spec-Driven Development , garantizando contratos de API claros y automatizables tanto para humanos como para agentes de IA.

  • Ecosistema Frontend Moderno: Gestionar estados complejos en el cliente utilizando herramientas como React Redux, Pinia o Zustand, potenciando el desarrollo con TypeScript (JSX/TSX).

  • Calidad, Seguridad y Clean Code: Garantizar la máxima robustez del software aplicando principios SOLID, Clean Code, estrategias sólidas de Testing, sistemas avanzados de autenticación/autorización y patrones de seguridad específicos para la integración de IA.

  • Despliegue e Infraestructura Cloud: Desplegar y optimizar nuestras soluciones en los principales entornos Cloud (AWS, Azure, GCP o similares) asegurando una infraestructura escalable para nuestras cargas de trabajo tradicionales y de IA.

¿PERKS?

Acceso a formación continua: presupuesto individual para formación, obtención de certificaciones, acceso ilimitado a Udemy, clases de idiomas, dinámicas de formación interna.

Flexibilidad horaria, teletrabajo, posibilidad de trabajar desde nuestros Hubs.

22 días de vacaciones + día de cumpleaños + 2 días de asistencia a eventos técnicos + 24 y 31 de diciembre no laborables.

Wellbeing pack: Ayuda para la mejora del bienestar.

Retribución flexible.

Dinámicas y Eventos de Teambuilding

Pack de Bienvenida

Posibilidad de elegir equipo (Windows / Mac)

Otras Iniciativas que te permiten conseguir bonus adicionales: recomendar profesionales, speaker en eventos, artículos técnicos,...

And last, but not least: ¡porque somos muy sngulares! Tenemos Encuentro Virtual todos los viernes, fiestas, espacios donde podrás expresarte, proponer cambios y ser partícipe de ellos.

Nuestro compromiso Sngular: Como equipo comprometido con la equidad de nuestro Plan de Igualdad, en SNGULAR impulsamos una cultura plural donde el talento no tiene etiquetas y cada persona cuenta con las mismas oportunidades.

Trabajamos desde el respeto, la humildad y el compañerismo, convencidos/as de que la diversidad nos fortalece.

Required Skill Profession

Other General


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Unlock Your Senior Fullstack Potential: Insight & Career Growth Guide


Real-time Senior Fullstack Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Senior Fullstack in remote, Spain, highlighting market share and opportunities for professionals in Senior Fullstack roles.

82659 Jobs in Spain
82659
2337 Jobs in Remote
2337
Download Senior Fullstack Jobs Trends in Remote and Spain

Are You Looking for Senior Fullstack Developer (Java & React) Job?

Great news! is currently hiring and seeking a Senior Fullstack Developer (Java & React) to join their team. Feel free to download the job details.

Wait no longer! Are you also interested in exploring similar jobs? Search now: .

The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Sngular adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying Spain laws and regulations

What Is the Average Salary Range for Senior Fullstack Developer (Java & React) Positions?

The average salary range for a varies, but the pay scale is rated "Standard" in remote. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

What Are the Key Qualifications for Senior Fullstack Developer (Java & React)?

Key qualifications for Senior Fullstack Developer (Java & React) typically include Other General and a list of qualifications and expertise as mentioned in the job specification. The generic skills are mostly outlined by the . Be sure to check the specific job listing for detailed requirements and qualifications.

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To improve your chances of getting hired for Senior Fullstack Developer (Java & React), consider enhancing your skills. Check your CV/Résumé Score with our free Tool. We have an in-built Resume Scoring tool that gives you the matching score for each job based on your CV/Résumé once it is uploaded. This can help you align your CV/Résumé according to the job requirements and enhance your skills if needed.

Interview Tips for Senior Fullstack Developer (Java & React) Job Success

Sngular interview tips for Senior Fullstack Developer (Java & React)

Here are some tips to help you prepare for and ace your Senior Fullstack Developer (Java & React) job interview:

Before the Interview:

Research: Learn about the Sngular's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

Dress Professionally: Choose attire appropriate for the company culture.

Prepare Questions: Show your interest by having thoughtful questions for the interviewer.

Plan Your Commute: Allow ample time to arrive on time and avoid feeling rushed.

During the Interview:

Be Punctual: Arrive on time to demonstrate professionalism and respect.

Make a Great First Impression: Greet the interviewer with a handshake, smile, and eye contact.

Confidence and Enthusiasm: Project a positive attitude and show your genuine interest in the opportunity.

Answer Thoughtfully: Listen carefully, take a moment to formulate clear and concise responses. Highlight relevant skills and experiences using the STAR method.

Ask Prepared Questions: Demonstrate curiosity and engagement with the role and company.

Follow Up: Send a thank-you email to the interviewer within 24 hours.

Additional Tips:

Be Yourself: Let your personality shine through while maintaining professionalism.

Be Honest: Don't exaggerate your skills or experience.

Be Positive: Focus on your strengths and accomplishments.

Body Language: Maintain good posture, avoid fidgeting, and make eye contact.

Turn Off Phone: Avoid distractions during the interview.

Final Thought:

To prepare for your Senior Fullstack Developer (Java & React) interview at Sngular, research the company, understand the job requirements, and practice common interview questions.

Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Sngular's products or services and be prepared to discuss how you can contribute to their success.

By following these tips, you can increase your chances of making a positive impression and landing the job!

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