Senior Software Engineer (Java)
Mercell is seeking a Senior Software Engineer to join our engineering team. In this role, you'll be instrumental in developing and optimizing applications within a
- native architecture. If you're passionate about building secure, scalable, and
- performance software solutions, and thrive in a collaborative, innovative environment, we encourage you to apply!
About Mercell
Mercell is a tech company and the market leader in
- procurement in Europe. We're revolutionizing how the public sector procures goods and services, helping buyers and suppliers connect in the most efficient, transparent, and easy way possible.
We are building a new Saa
S platform that automates the entire tendering process, from publication to evaluation and final contract. This complex process involves a lot of API integrations, validations, and intricate steps that need to be handled seamlessly. Our core values Growth, Curiosity, Courage, and Trust guide everything we do, from our business decisions to how we collaborate and interact with our colleagues and customers. We are committed to fostering an environment where our employees can develop and thrive.
What you'll do
- Design, develop, and maintain robust
- quality applications using Java, Spring MVC and Springboot - Integrate and optimize services within Amazon Web Services (AWS), including SNS, S3, RDS, ECS, EKS, Lambda, etc.
- Support the creation of secure, scalable, and
- performance software solutions. - 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 using your strong SQL knowledge.
- Contribute to our CI/CD and SDL processes, with a focus on test automation.
What you'll bring
- Senior-level experience with Java (Spring MVC and Springboot)
- Proven experience with cloud computing services, preferably AWS.
- Strong background in building web applications.
- A 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 of Infrastructure as Code with any of the available tools; Cloud
Formation is preferred - Strong SQL knowledge and experience with stored procedures with databases like Document
DB, Maria
DB, Postgresql - Excellent problem-solving skills and the ability to work both independently and collaboratively within a team.
We also value
- A positive attitude and strong communication skills.
- A collaborative spirit; you enjoy teamwork, coaching, and helping others.
- The ability to navigate complex codebases with minimal documentation and improve them as needed.
- Proficiency in troubleshooting complex issues within production systems.
- A commitment to continuously communicating progress and plans to stakeholders.
- A professional, respectful, and responsible work ethic.
- A passion for continuous improvement and learning.
- Adaptability when dealing with tight deadlines and scope changes.
Locations
- Portugal, Lisbon (remote): Mercell does not currently have a legal entity in Portugal. Employment will be arranged through a trusted Employer of Record (Eo
R) partner, in line with local regulations. Candidates should be comfortable with this arrangement. - Netherlands, Utrecht (hybrid): Combination of work from home and
- site presence in our local office, to foster collaboration.
Job information
- Seniority level: Mid-Senior level
- Employment type: Full-time
- Job function: Information Technology
- Industries: Information Services
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- Informações detalhadas sobre a oferta de emprego
Empresa: Mercell Localização: Lisboa
Lisboa, Lisboa, PortugalPublicado: 16. 11. 2025
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