Java Developer

ISANDO GROUP · South Athens, Attiki, Greece
LinkedIn

Posted

Jul 12, 2026 (3d ago)

Seniority

Lead

Work Model

Hybrid

Type

Full-time

Category

Backend

Salary

Not specified

Skills

Agile AWS Azure Bash Docker Git Java Kubernetes Linux Microservices MySQL PostgreSQL REST API Spring Boot

Description

ISANDO TECHNOLOGIES is constantly looking for talented people to become its team members. We realize that productive people are always good addition to our organization. So if you have outstanding skills in your scope of work and the passion to work with one of the smartest companies, join in! ISANDO Technologies is a software development company and part of the ISANDO GROUP that specializes in mobile and web-based enterprise software. Due to our growth, we are currently looking for an experienced Java developer (m/f/d) who is also capable of implementing software solutions in the cloud or in a hybrid environment. Our software for alarm servers and business continuity management interfaces with protocols in the field of building automation (Modbus, OPC UA, ESPA + ESPA X, etc.), voice, bulk SMS, and much more. Therefore, comprehensive and solid networking knowledge is also required. We plan to replace the software—which has been successfully on the market for over 20 years—with a new software architecture. This is a full-time position offering the greatest possible flexibility. In this role, you’ll have the opportunity to work in a team-oriented environment and utilize top-notch software and hardware tools. You’ll apply your skills to perform object-oriented Java development, build multi-tenant web applications, create REST APIs, and implement best security practices—all while serving as one of the key contributors on exciting application development projects. Department Software Development Project Location: Barcelona, Spain or Athens, Greece Education MSc or comparable Compensation TBA Candidates can look forward to leading and supervising small project teams responsible for developing and preparing proposals and creating methodologies. Customer contact is possible. Your work will involve developing applications used by thousands of external customers as well as internal operational teams. You will be part of an agile development team responsible for all aspects of ongoing software development, from initial specification through development to testing and deployment. Developing clean, well-designed code (within budget) in a microservices architecture Co-developing a robust and reliable REST API Developing and implementing new features, often as microservices Debugging, testing, and maintaining existing software applications Contributing to all phases of the development lifecycle Coordinating with customers alongside the sales team or management Java Skills: In-depth knowledge of Core Java, object-oriented programming (OOP), and concurrency. Advanced Frameworks: Expertise in Spring Boot and Hibernate. Cloud & DevOps: Hands-on experience with AWS/Azure, Docker, and Kubernetes. System Design: Proven track record in distributed system architecture. Data Management: Advanced knowledge of PostgreSQL, MySQL, or NoSQL. Experience: At least 5 years of professional experience as a software developer. Experience developing and interacting with REST web services. Experience developing multi-tenant web applications. Understanding of code version control tools such as Git. Knowledge of BASH and Linux. Interpersonal communication skills and ability to work well in a team. Strong analytical skills. Professional demeanor. Personal responsibility and strong work ethic. Professional, able to interact with salespeople and clients. Positive “can-do” attitude. Experienced staff and real team work, good ideas and sophisticated solutions, open-minded and always an open ear for our customers. That's the base for a profitable business. Sven Grapenthin Director, Usedomer Immobilien Beteiligungs GmbH Sven Grapenthin Director, Usedomer Immobilien Beteiligungs GmbH