Senior Backend Engineer

Allianz Technology SE Spain Branch; Barcelona; Híbrido; EUR 40.000 - 60.000; Jornada completa

Descripción de la vacante

A global IT service provider is seeking a Backend Developer in Barcelona to create robust and secure architecture solutions. Key responsibilities include optimizing server-side logic using Java and Spring Boot, managing NoSQL databases like MongoDB, and designing microservices architectures. The ideal candidate will have extensive experience in backend development with Java and Spring Boot, and strong communication skills. This role offers a hybrid work model, competitive benefits, and opportunities for career development.

Servicios

Company bonus scheme

Flexible working

Health and wellbeing offers

Formación

• Extensive experience in developing robust server-side logic and APIs.
• Expertise in managing NoSQL databases, optimizing performance.
• Strong understanding of microservices architectures and design principles.

Responsabilidades

• Develop and optimize server-side logic and APIs using Java and Spring Boot.
• Manage performance for NoSQL databases, particularly MongoDB.
• Design microservices architectures applying SOLID principles.

Conocimientos

Java

Spring Boot

MongoDB

Apache Kafka

Kotlin

SOLID principles

Domain-Driven Design

Clean Architecture

Microservices patterns

Technical writing

Educación

Bachelor's degree in Computer Science or related field

Descripción del empleo

About the Job

As a Backend Developer you will specialize in creating robust, secure and scalable architecture solutions.

You are experienced in leveraging modern technologies and architectural patterns to drive technical excellence and innovation in collaborative environments.

What you do

• Develop and optimize server-side logic and APIs using Java and Spring Boot, ensuring compliance with OpenAPI specifications for RESTful services.
• Manage and optimize performance for NoSQL databases, particularly MongoDB, while implementing event-driven architecture with Apache Kafka.
• Design and evaluate microservices architectures, applying SOLID principles, Clean Architecture and Domain-Driven Design to ensure scalable and secure solutions.
• Lead technical initiatives, collaborate cross-functionally and document architectural decisions, leveraging technical writing and presentation skills for stakeholder communication.
• Conduct code reviews, provide constructive feedback and uphold coding standards, fostering a growth mindset and adaptability to new technologies and methodologies.

What you bring

• Extensive experience in Java and Spring Boot development, including server-side logic and APIs, with proficiency in developing RESTful APIs compliant with OpenAPI specifications.
• Expertise in managing NoSQL databases, particularly MongoDB, with performance optimization, and proficient experience with Apache Kafka for event-driven architecture.
• Strong understanding of robust, secure, and scalable backend architecture, with preferred experience in Quarkus for microservices development and proficiency in Kotlin for backend development.
• Deep understanding of SOLID principles, Clean Architecture, Hexagonal Architecture, and Domain-Driven Design, with experience in designing microservices architectures and evaluating technology choices for enterprise solutions.
• Knowledge of microservices patterns, distributed system challenges, Enterprise Integration Patterns, and expertise in API design ensuring scalability, security, and compliance with industry standards.
• Leadership experience in leading technical initiatives and cross-functional collaboration, with skills in technical writing for architecture documentation, presentation skills for design reviews and conflict resolution in technical decision-making.
• Strong communication and teamwork abilities, experience in code reviews, providing constructive feedback, ensuring coding standards, and demonstrating a growth mindset with a willingness to learn and adapt to new technologies and methodologies.

What we offer

• We offer a hybrid work model which recognizes the value of striking a balance between in-person collaboration and remote working incl. up to 25 days per year working from abroad.
• We believe in rewarding performance and our compensation and benefits package includes a company bonus scheme, pension, employee shares program and multiple employee discounts (details vary by location).
• From career development and digital learning programs to international career mobility, we offer lifelong learning for our employees worldwide and an environment where innovation, delivery and empowerment are fostered.
• Flexible working, health and wellbeing offers (including healthcare and parental leave benefits) support to balance family and career and help our people return from career breaks with experience that nothing else can teach.

About Allianz Technology

With its headquarters in Munich, Germany, Allianz Technology is Allianz's global IT service provider and delivers IT solutions that drive the group's digitalization. With more than 11,000 employees in over 20 countries around the world, Allianz Technology is tasked to run, optimize, transform, and innovate the infrastructure, applications, and services together with Allianz companies to co-create the best customer experience.

We service the entire spectrum of digitalization – from one of the industry's largest IT infrastructure projects that spans data centres, networks, and security, to application platforms ranging from workplace services to digital interaction.

Commitment to Integrity, Fairness & Inclusion

Allianz Group is one of the most trusted insurance and asset management companies in the world. Caring for our employees, their ambitions, dreams and challenges, is what makes us a unique employer. Together we can build an environment where everyone feels empowered and has the confidence to explore, to grow and to shape a better future for our customers and the world around us.

We at Allianz believe in a strong inclusive culture that encourages people to speak their minds, get involved and question the status quo. We are proud to be an equal opportunity employer and encourage you to bring your whole self to work, no matter where you are from, what you look like, who you love, or what you believe in. We therefore welcome applications regardless of race, ethnicity or cultural background, age, gender, nationality, religion, social class, disability, sexual orientation, or any other characteristics protected under applicable local laws and regulations.

To Recruitment Agencies

Allianz Technology has an in-house recruitment team that sources great candidates directly. Therefore, Allianz Technology does not accept unsolicited resumes from agencies or search firm recruiters.

When we do work with recruitment agencies, that engagement is formalized by a contract. Fees will only be paid when there is a contract in place. Without a contract in place, we will not accept invoices on unsolicited resumes, even if the candidate was ultimately employed by Allianz.