DESCRIPTION **JOIN THE TEAM AS A BACKEND DEVELOPER!** Do you want to be part of an organization committed to caring for people and supporting their personal and professional growth? Are you passionate about development and eager to take on new challenges? Join Kairós! **Who are we?** We have been certified as a **Great Place To Work** since 2019—now for the fifth consecutive year—and ranked **5th in 2024**, thanks to our values, culture, and internal benefits and initiatives focused on people. We support our clients in technological and agile transformation projects. **We work in discipline-based teams and multidisciplinary squads across highly diverse projects** (retail, healthcare research, banking, security, mobility, etc.). Although we’ve grown significantly over the past year, we remain true to our essence: **always people-centered**. We provide continuous personalized follow-up with our technical and Talent teams. We also consistently prioritize transparency and clarity. We operate in **Spain, Mexico, and Peru**. At Kairós, you’ll find projects enabling remote work—without losing closeness with the rest of the team! **What are we looking for?** At **Kairós**, we seek professionals with experience as **Backend Developers**. The selected candidate will join our Tech discipline, led by **Carlos Cañado and Reinaldo Aguilera**. Over **350 Kairoseros and Kairoseras** form our Tech family at Kairós. We deliver technological solutions, participating in all types of projects—from inception and product definition—working with various frameworks and always ensuring solutions that are not only effective but also easy to use, maintain, and adapt to today’s evolving technological landscape. **Requirements:** * Development frameworks: Spring Core, Spring Boot, MVC, Spring Security, Spring JPA Hibernate, Log4j/SLF4J, Rapid7 * Relational and non-relational databases * Experience with microservices architecture, as well as REST/SOAP services * Solid hands-on experience with AWS services * Solid experience with Maven and Gradle build tools * Proficiency with code repositories (GIT, BitBucket) and GitFlow workflows * Experience in testing and refactoring practices, applying standards, guidelines, and best practices in software development * Familiarity with code quality measurement tools: Sonar * Unit testing frameworks such as JUnit, DBUnit, Mockito, TestContainer…; and performance testing and analysis tools such as JMeter/JConsole * Experience documenting APIs using OpenAPI or Swagger * Basic knowledge of Docker * Experience in payment systems **What can we offer you?** At Kairós, you’ll find: * An individual training budget of €1,750, ongoing corporate training, and technical certifications * Free English classes in small groups * 23 vacation days, December 24th and 31st off, 1 day for personal events, and **3 flexible-work days**! * Enjoy summer with our reduced working hours in August and year-round intensive Friday schedules * Flexible compensation via Cobee—usable for dining, public transport, training, and childcare vouchers * Health insurance with Cigna or Sanitas—we care about your physical and mental well-being * Ongoing personal support through our Wellness 3.0 program and consistent technical mentoring * Opportunities to strengthen your personal brand through internal and external events * Membership in a vibrant community and support from outstanding professionals and industry role models * Most importantly… being part of a company where your voice is heard, where you’re cared for, and where we strive to meet your needs and expectations You’ll fit right in if you love learning, sharing knowledge, and treating others with respect and kindness. If you’re interested in contributing to an open, transparent, and trusting culture—and if you also possess organizational skills, responsibility, commitment, and a passion for high-quality code. **\#TRY \#THINK \#FEEL \#ENJOY** At Kairós, we firmly believe in the importance of equality and diversity in the workplace. We are committed to fostering an inclusive and respectful environment where all employees feel valued and empowered to reach their full potential—regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or any other characteristic protected by law.