Cloud Java Backend Engineer

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.

We are seeking a Backend Developer to join our cloud development team and work alongside our lead backend developer. You will be responsible for maintaining and expanding our cloud-based RFID management platform, ensuring scalable and reliable backend services for our global customer base. This role offers the opportunity to learn and contribute to a critical system while helping to reduce single points of failure.

• Develop and maintain backend services for our cloud platform
• Collaborate with the Lead Backend Engineer to learn existing system architecture and best practices
• Implement new backend features and API endpoints as required
• Optimize database queries and improve system performance
• Troubleshoot and resolve backend issues in production environments

   

• Participate in system design discussions and architecture decisions

   

• Create and maintain technical documentation for backend systems

   

• Support integration with RFID hardware and third-party services

• Bachelor’s degree in Computer Science, Software Engineering, or related field

   

• 6+ years of proven Java applications developments

   

• Strong proficiency in Java backend programming

   

• Experience with relational databases (PostgreSQL, MySQL) and query optimization

   

• Strong knowledge of RESTful API design and development

   

• Familiarity with cloud platforms (AWS, Azure, or GCP) and containerization

   

• Understanding of microservices architecture and distributed systems

   

• Experience with version control systems (Git) and agile development practices

   

• Knowledge of RFID technology or IoT systems is a plus

   

• Strong problem-solving skills and ability to work collaboratively

   

• Fluent in English

   

• You are a resident of the EU or are in possession of an EU working permit

• Opportunity to work on cloud infrastructure serving global RFID deployments

   

• Mentorship from experienced backend developer

   

• Young and dynamic work environment

   

• New 4000sqm corporate building next to Westfield La Maquinista

   

• Specialty coffee and table tennis

   

• Support for online training programs

   

• Ability to grow in a fast-paced international company