Software Engineer

Cognizant; Barcelona; Hybrid; EUR 55,000 - 90,000; Full time

Benefits offered by this job

Permanent contract

Restaurant tickets

Referral program

Competitive salary and benefits paket

Hybrid working model (2 days per week)

Job summary

Cognizant is seeking an experienced Software Engineer in Barcelona to design and build cloud-ready microservices using Java Springboot and MongoDB. The role emphasizes scalable, secure services for enterprise systems in an international environment, with a hybrid work model and collaboration across cross-functional teams.

You will refine technical requirements, implement robust data contracts, and contribute to performance tuning and observability to ensure high-quality releases for global

Qualifications

• Hands-on Java development with a focus on enterprise apps.
• Advanced proficiency in Springboot and microservices architecture.
• Solid experience with MongoDB and data modeling for performance.
• Able to work in a hybrid model and coordinate across distributed teams.
• Familiarity with airline or travel domain processes is a plus.

Responsibilities

• Design robust microservice-based applications using Java Springboot and cloud-ready patterns.
• Develop and optimize data access layers with MongoDB for efficient querying and performance.
• Implement clean, secure, modular code following best practices and SDLC guidelines.
• Collaborate with product owners and platform engineers in a hybrid model to translate business needs into service contracts.
• Integrate microservices with internal and external systems via APIs ensuring resilience and observability.
• Support deployments and CI/CD pipelines with DevOps teams to ensure stable releases.
• Analyze production metrics and logs to troubleshoot and improve reliability for global users.

Skills

Java

Springboot

Microservices

MongoDB

Hybrid work

Airline domain

CI/CD

Observability

Testing

Tools

MongoDB

Job description

Job Summary

This hybrid role is for an experienced software engineer with strong expertise in Java Springboot, microservices and Mongo DB building scalable services for enterprise systems in an international environment. The engineer will design develop and optimize cloud ready microservice solutions that enhance reliability performance and customer experience with potential focus on airline domain platforms and digital journeys while collaborating with cross functional teams in a day shi

Responsibilities

• Design robust microservice based applications using Java Springboot and Springboot microservices to deliver secure scalable and high performing services that support critical enterprise workflows and customer facing channels
• Develop and optimize data access layers using Mongo DB to ensure efficient querying indexing and schema design that improve application responsiveness and reliability across complex data sets
• Implement clean modular and reusable code in Java adhering to best practices coding standards and secure development guidelines to support long term maintainability and ease of enhancement
• Collaborate with product owners architects and platform engineers in a hybrid work model to refine technical requirements and translate business needs into well defined service and data contracts
• Integrate microservices with internal and external systems through well structured APIs while ensuring resilience observability and smooth communication across distributed components
• Configure and maintain Springboot application properties security mechanisms and dependency management to ensure consistent behavior across environments and stable deployments for day shift operations
• Conduct comprehensive unit integration and regression testing for Java Springboot and Mongo DB components to identify defects early and maintain high quality releases that reduce production incidents
• Participate in code reviews and technical discussions to share knowledge address design risks and drive continuous improvement across microservice architectures and data persistence strategies
• Analyze production metrics and logs to troubleshoot issues in microservices and Mongo DB interactions then implement corrective actions that reduce downtime and improve user experience for global customers
• Contribute to performance tuning activities by profiling Java Springboot services optimizing database queries and refining caching strategies to meet stringent response time and scalability goals
• Support deployment pipelines by collaborating with DevOps teams to ensure microservices are packaged configured and released consistently across test and production environments without impacting day shift stability
• Apply domain understanding of airline reservation check in and operations flows when available to build features that streamline travel journeys reduce operational friction and increase customer satisfaction
• Document technical designs data models and service interfaces in a clear and structured manner so teams across the multinational organization can easily understand maintain and extend implemented solutions

Qualifications

• Possess several years of hands on experience in Java development with a strong focus on building enterprise applications that emphasize performance reliability and code quality
• Demonstrate advanced proficiency in Springboot and Springboot microservices including configuration security integration and lifecycle management of distributed services in complex ecosystems
• Bring solid experience with Mongo DB including design of collections indexing strategies and performance optimization in high traffic transactional or event driven environments
• Show ability to work effectively in a hybrid work model coordinating with geographically dispersed teams while maintaining clear communication and accountability for deliverables
• Offer familiarity with airline or travel domain processes such as booking ticketing and disruption management which can be applied to design more intuitive and resilient customer solutions
• Exhibit strong problem solving skills with a track record of analyzing complex production issues across services and databases and implementing durable fixes that prevent recurrence
• Maintain awareness of modern software engineering practices such as continuous integration automated testing and observability tools to enhance stability and confidence in frequent releases

Why choose us?

LEADERSHIP & IMPACT

Take ownership of end-to-end PEGA ADM delivery, leading maintenance, enhancements, and platform evolution initiatives.

TEAMWORK

Work alongside experienced professionals in a collaborative and supportive environment.

INTERNATIONAL EXPOSURE

Partner with global teams and stakeholders across different geographies.

CAREER GROWTH

Develop your leadership, delivery, and PEGA expertise through challenging projects and continuous learning opportunities.

Other Benefits

• Permanent contract
• Restaurant tickets
• Referral program
• Competitive salary and benefits package
• Hybrid working model (2 days per week from the Madrid office)

What will make you successful in this position?