Senior Software Engineer (Java) - Talent Pool

Senior Software Engineer (Java) - Talent Pool 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 cloud-native architecture. If you're passionate about building secure, scalable, and high-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 e-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 SaaS 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: As a Senior Software Engineer, you will: Design, develop, and maintain robust high-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 high-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 the 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 tool but CloudFormation is preferred Strong SQL knowledge and experience with stored procedures with databases like DocumentDB, MariaDB, 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 therefore be arranged through a trusted Employer of Record (EoR) partner, in line with local regulations. Candidates should be comfortable with this arrangement. Netherlands, Utrecht (hybrid): Combination of work from home and on-site presence in our local office, to foster collaboration. Please note: Mercell does not provide relocation support for this position. We are seeking candidates who are already based in, or have existing work authorization for, the country where the role is located. Has this sparked your interest? Apply now and join our team! There is no fixed application deadline — we will review applications continuously. By applying, your profile will be considered for upcoming opportunities that match your skills, experience, and interests. We will keep you updated accordingly throughout the process. Mercell is an equal opportunity employer. We welcome applications from candidates of all backgrounds and experiences. We handle all personal data in line with GDPR and our Privacy Policy. We may carry out background checks on applicants to verify information that appears on CVs and other documentation. This background check is carried out by an external party and is not carried out without the consent of the applicant. Current applicants will receive further information about this. Department Technology Locations Utrecht , Portugal Remote status Hybrid Employment type Full-time Utrecht Portugal About Mercell Mercell is the largest public tendering and bidding platform for European buyers and suppliers, dedicated to enhancing connectivity between public buyers and suppliers. We make tenders compliant and easy, while enabling equal opportunity for all suppliers to the public sector. At Mercell, we're on a mission to revolutionise public procurement, making it accessible and effortless for everyone involved. Imagine a world where public buyers and visionary suppliers come together seamlessly to make a great deal easier and shape the future. That's what we're all about. With a dynamic culture built on continuous growth, trust, and collaboration, Mercell offers an environment where your talents can thrive. You will be part of an international environment with ambitious and dedicated colleagues who are passionate about what they do and supported to be themselves. 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