Java Backend Software Developer
This role involves developing and maintaining backend applications using Java 21 and Spring Boot. It offers a remote-friendly model with flexible hours and extensive professional benefits.
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This job advert was originally written in Spanish.
Experience in the development, maintenance, and support of enterprise applications in AS400 environments.
Knowledge and experience in RPG programming.
Knowledge and experience in COBOL.
Experience working with IBM AS400 / IBM i systems.
And with us, you will enjoy:
✅Permanent contract
✅ 100% REMOTE
✅In-house training and access to certifications ♻Check out our calendar here:
https://www.knowmadmood.com/en/talent/training
✅Flexible compensation plan (health insurance, transport, childcare vouchers, restaurant cards)
✅Brand ambassador program through our referral plan
Refer your friends and earn extra rewards!
✅Events, meetups, techdays, talks... and much more!
✅ 26 days of annual leave (22 vacation days, 2 personal days, and 24 and 31 December as company holidays by default)
✅ Working hours: 8:30 to 18:00 (Monday to Thursday) and 8:00 to 15:00 on Fridays, with an intensive summer schedule from July to August from 8:00 to 15:00.
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At knowmad mood, we are committed to equal opportunities and respect for diversity. We apply our Equality Plan and the principle of non-discrimination in all our recruitment processes.
We are a leading company in digital transformation, constantly evolving and at the forefront of technology. We were born to drive real change through innovation and sustainable development, with the mission of delivering value to our clients and empowering our talent.
We are looking to bring on board a person with experience in AS400 environments to participate in the development, maintenance, and support of critical enterprise applications. You will have a key role in the continuity and evolution of systems that support essential business processes.
Develop and maintain applications on the AS400 platform.
Perform support tasks and incident resolution in applications critical to the business.
Analyze, design, and implement functional and technical improvements.
Participate in error correction and application performance optimization.
Collaborate with the various teams involved to guarantee the stability and availability of the systems.
We are knowmad mood!
knowmad mood is an IT consulting and technology services company based in Madrid, Spain, specializing in digital transformation, cloud infrastructure, data engineering, cybersecurity, and enterprise software development. With a strong focus on emerging technologies like AI, automation, and DevOps, the company serves clients across sectors including insurance, retail, and manufacturing, offering both project-based consulting and managed services. They operate with a distributed team model, supporting remote and hybrid work across Spain.
For international professionals, knowmad mood offers a dynamic and flexible work environment with many roles available as 100% remote or hybrid positions across Spain, including in Madrid, Barcelona, and Palma de Mallorca. The company emphasizes continuous learning and innovation, making it an attractive option for tech talent looking to work on modern stacks like Java, Kubernetes, Azure, GCP, and AI platforms. While the company is Spanish-founded, its client base and project scope often require English proficiency, providing opportunities for non-Spanish speakers to integrate.
Made up of more than 3,000 creative, digital, and innovative people connected by a shared purpose and capable of building connections with people around the world. A responsible, flexible team with a high capacity to adapt to the needs of our clients and the market, while delivering value, vision, creativity, expertise, professionalism, and passion for technology in every project.
The values that guide our path and lead us toward excellence are collaboration, innovation, commitment, fun, and trust.
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