Java Software Engineer + English (Hybrid, Madrid City Center)

Description

Job Summary: We are seeking a senior Java backend developer for an international client, focused on innovation and sustainable development using agile methodologies. Key Highlights: 1. Development of libraries and backend services using Java 17 and Spring Boot 3. 2. Application of automated testing practices and agile methodologies. 3. Contribution to product innovation and software development. We are knowmad mood! We are a leading digital transformation company, continuously evolving and at the forefront of technology. We were founded to drive real change through innovation and sustainable development, with a mission to deliver value to our clients and empower our talent. Comprising over 3,000 creative, digital, and innovative individuals united by purpose and capable of building connections with people worldwide. A responsible, flexible team with high adaptability to our clients’ and market’s needs—consistently delivering value, vision, creativity, expertise, professionalism, and passion for technology in every project. Our core values guiding us toward excellence are collaboration, innovation, commitment, fun, and trust. Through this opportunity, you will participate in new project developments, assuming the role of **Senior Java Backend Developer for a major international client.** * Location: Madrid City Center (2–3 days per week onsite) * Schedule: Monday–Thursday: 8.5 hours daily; start time between 7:00 and 9:30, end time from 16:00 onward. Fridays: until 15:00, working 7 hours. **Responsibilities:** * Develop and maintain backend libraries and services using Java 17 and Spring Boot 3 within a microservices architecture. * Ensure optimal integration with other layers (UI, hardware devices, cloud server). * Apply cutting-edge automated testing practices (unit, component, and integration tests). * Work on automated software packaging and deployment. * Contribute innovative product ideas, prototypes, functional and design specifications, as well as production software. * Apply agile methodologies throughout the development lifecycle. **To be a match...** Solid experience in **Java (recent versions, e.g., 21), Spring, and Spring Boot.** Experience in **microservices.** Experience in **functional or reactive programming.** Experience using **Kubernetes or Red Hat OpenShift.** Desirable experience in containerized environments (Docker) and Kubernetes. Experience with **relational databases.** Desirable experience with **message brokers (preferably Kafka).** Solid experience in **testing.** Experience in **agile methodology.** **Proficiency in English is mandatory.** **What are our commitments to you?** ️**Support your professional growth** Training: If you wish to access technical, skills-based, or language training, we offer official certifications, Udemy Business, TechDays, Meetups, and a training calendar viewable HERE. **Jointly promote health, wellbeing, and a great work environment!** 26 days of leave (22 vacation days, 2 discretionary days, and Dec 24 & 31 as default holidays). Working hours: 8:30–18:00 (flexible) Monday–Thursday; Friday 8:00–15:00; Summer Intensive (July & August): 8:00–15:00. Team-building activities: We love having fun and staying connected with our teams. Become an ambassador of our brand through our Friend Referral Program. Kudos: We foster a culture of feedback and recognition. Flexible Compensation Plan (health insurance, transportation, childcare vouchers, meal vouchers). **Celebrate your most special moments** Surprises: You’ll receive guaranteed surprises throughout the year (work anniversaries, birthdays, newborns, etc.). **Would you like to be part of our evolution?** Stay updated on our news by following us here → knowmad mood *At ***knowmad mood***, we are committed to equal opportunities and respect for diversity. We implement our Equality Plan and the principle of non-discrimination across all recruitment processes.*