SENIOR JAVA DEVELOPER
novanta · Barcelona, Spain - Keonn · On-site
Posted Sep 23, 2026
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Build a career powered by innovations that matter! At Novanta, our innovations power technology products that are transforming healthcare and advanced manufacturing—improving productivity, enhancing people’s lives and redefining what’s possible. We create for our global customers engineered components and sub-systems that deliver extreme precision and performance for a range of mission-critical applications—from minimally invasive surgery to robotics to 3D metal printing.
Novanta is one global team with over 26 offices located in The Americas, Europe and Asia-Pacific. Looking for a great place to work? You have found it with a culture that embraces teamwork, collaboration and empowerment. Come explore Novanta.
About Keonn
Keonn is a manufacturer of RFID hardware and software products for different sectors, like retail, healthcare, libraries, industry and logistics among others. We provide RFID systems mainly for the retail and healthcare sectors, as well as RFID UHF components for any industry. Keonn's team is comprised of experienced engineers and PhDs with deep knowledge in fields like radiofrequency, antennas, electronics, robotics, firmware, and cloud-based software. Keonn is now part of Novanta.
Summary
We are seeking a skilled Java Developer to develop applications for Keonn product portfolio that power all our high-end RFID readers and derived systems. In this role, you will be developing Java applications to enhance, debug, and optimize our current infrastructure while implementing new features to meet evolving market demands.
Your Tasks
Develop and maintain Java applications for devices
Implement new features and functionality for RFID reader systems
Debug and resolve software issues
Optimize code performance and memory usage
Participate in code reviews and maintain high coding standards
Create and maintain technical documentation
Support testing and validation of software releases
Collaborate with hardware engineers to ensure seamless hardware-software integration
We Expect
Bachelor's degree in Computer Science, Software Engineering, or related field
5+ years of experience in Java development
Experience with version control systems (Git) and agile development methodologies
Strong debugging and troubleshooting skills
Excellent problem-solving abilities and attention to detail
Fluent in English, Spanish is a big advantage
You are a resident of the EU or are in possession of an EU working permit
We Prefer
Understanding of embedded Java programming is a plus
Experience with real-time systems and multi-threading is a plus
Knowledge of network programming and communication protocols is a plus
Familiarity with RFID technology and RF systems is a plus
We Offer
Flexible working hours and possible hybrid or remote work within Spain
23 days off + 2 days extra
Opportunity to work on industry-leading RFID firmware technology
Flexible Compensation: Meal Card and Transportation Card
Health Insurance Plan…