Backend Java Developer (with English)

Description

Job Summary: We are looking for a Backend Developer with solid experience in API development, scalable software architecture, and system integration to design, implement, and maintain robust and efficient solutions. Key Highlights: 1. Be part of an organization committed to caring for people. 2. Work on diverse projects with multidisciplinary teams. 3. An open, transparent, and trusting culture with constant personal follow-up. DESCRIPTION **JOIN OUR TEAM AS A BACKEND DEVELOPER!** Do you want to be part of an organization that prioritizes people’s care and 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 recognized as a **Great Place To Work** since 2019 — for the fifth consecutive year — **ranking 5th in 2024**, thanks to our values, culture, and internal benefits and initiatives centered 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 constant personal follow-up with our technical and Talent teams. Moreover, we consistently champion transparency and clarity. **We operate in Spain, Mexico, and Peru.** At Kairós, you’ll find projects where you can work remotely without losing closeness with the rest of the team! **What Are We Looking For?** At **Kairós**, we seek individuals with experience as a **Backend Developer**, possessing solid expertise in API development, scalable software architecture, and system integration. This person will play a key role in designing, implementing, and maintaining robust and efficient solutions, collaborating closely with frontend developers, DevOps engineers, and product owners. The candidate will join our Tech discipline, led by **Carlos Cañado and Reinaldo Aguilera.** More than **350 Kairoseros and Kairoseras** belong to the Tech family at Kairós, delivering technological solutions across all project phases — from inception and product definition — working with all types of frameworks and ensuring solutions that are not only effective but also easy to use, maintain, and adapt to today’s evolving technology landscape. **We’re looking for people who…** * Have participated in **software development projects** for at least **four years**. * Have experience with **Java 1\.8 or higher**. * Have worked with **Spring Boot** within the last year. * Are familiar with **Microservices and RESTful APIs** environments. * Routinely use **Git**. * Have worked with **databases (BBDD)** and data handling in **Kafka**. * Hold authorization to **reside and work in Spain**. * Can work in **English**. **Bonus Points…** * If you’re comfortable with **asynchronous communication**. * If you have experience with **hexagonal architecture** projects. * If you know and have previously implemented **Clean Code and S.O.L.I.D principles**. * If you’ve worked with **containers / Docker**. * If you’ve worked with **Kubernetes / OpenShift**. **What Can We Offer You?** At Kairós, you’ll find: * Free English classes in small groups. * 23 vacation days, December 24th and 31st off, 1 day for events, and **3 flexible-workdays for work-life balance!** * Enjoy summer with our reduced working hours in August and extended lunch breaks every Friday throughout the year. * 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 continuous technical mentoring. * Opportunities to strengthen your personal brand at internal and external events. * Being part of a large community and receiving support from incredible professionals and industry references. * But above all… 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 strong focus on code quality. **\#TRY \#THINK \#FEEL \#ENJOY** At Kairós, we firmly believe in the importance of equality and diversity in the workplace. We are committed to creating an inclusive and respectful environment where all employees feel valued and have the opportunity 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.