At KCS we stand for equality and value diversity. We create a safe, diverse environment where opportunities are equal for everyone! We do not discriminate based on age, ethnicity, sexual orientation, gender, disability or any factor other than merit. All applications with skills for the position are welcome!We are looking for an amazing Senior Java Developer to join our team.Location: Lisbon Area, Portugal | Hybrid Model (3 days on-site per week)Type: Full-timeKey ResponsibilitiesDesign, develop, and maintain Java-based applications supporting back-office processes.Contribute to solutions related to collateral and cash management.Collaborate with business analysts and cross-functional teams to gather and implement technical requirements.Troubleshoot, analyze, and resolve technical issues to ensure system stability and performance.Participate in code reviews and promote best practices in software development and testing.Support system integrations within a broader financial technology ecosystem.Contribute to continuous improvement initiatives across development processes.Required Skills & ExperienceBachelor's degree in Computer Science, Software Engineering, or a related field.6–9 years of experience as a Java Developer in complex or enterprise environments.Strong experience with Java and Spring Boot.Solid understanding of software development principles and methodologies.Experience working in financial services or regulated environments is highly valued.Strong problem-solving skills and ability to work collaboratively in a team.Nice to HaveExperience with Calypso or similar financial platforms.Knowledge of investment banking back-office operations, particularly collateral and cash.Exposure to financial markets systems and large-scale architectures.What's On OfferHybrid working model: 3 days per week on-site, 2 days remote.Technically challenging projects within financial markets technology.A collaborative and international work environment.Long-term professional growth opportunities.A culture focused on quality, collaboration, and continuous improvement.Career development personalized to your needs and goals.Interesting challenges across multiple client sectors.Free training programs in languages, tech, behavior and business.International projects in the Benelux region.Well‐being support: nutrition, psychological and medical appointments, yoga and personal training (remote).#J-18808-Ljbffr