Senior Software Engineer, Java

Mercell

full-time

Posted on: 9/17/2025

Origin: • 🇳🇱 Netherlands

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Senior

ApacheAWSCloudJavaKafkaMariaDBPostgresSDLCSpringSpring BootSpringBootSQL

About the role

Design, develop, and maintain robust high-quality applications using Java, Spring MVC and Spring Boot
Integrate and optimize services within Amazon Web Services (SNS, S3, RDS, ECS, EKS, Lambda, etc.)
Support creation of secure, scalable, and high-performance software solutions within a cloud-native architecture
Collaborate closely with other teams and stakeholders to ensure architectural consistency and promote best practices
Provide expert guidance on platform improvements and technical challenges
Optimize database queries and maintain stored procedures
Contribute to CI/CD and SDLC processes with a focus on test automation
Participate in integrations, validations, and handling complex tendering process steps

Senior-level experience with Java (Spring MVC and Springboot)
Proven experience with cloud computing services, preferably AWS (SNS, S3, RDS, ECS, EKS, Lambda)
Strong background in building web applications
Solid understanding of CI/CD, SDLC processes, and test automation
Adherence to clean code principles
Familiarity with event-driven technologies such as Apache Kafka
Experience with Infrastructure as Code (CloudFormation preferred)
Strong SQL knowledge and experience with stored procedures (DocumentDB, MariaDB, PostgreSQL)
Excellent problem-solving skills and ability to work independently and collaboratively
Positive attitude, strong communication skills, and coaching/teamwork ability
Experience troubleshooting complex production issues
Comfortable with employment via Employer of Record (for Portugal candidates)