Senior Java Engineer at HYCU – Ljubljana | Jobyssey

Why Join HYCU?

HYCU is the fastest-growing leader in the multi-cloud data protection-as-a-service industry. By delivering true SaaS-based data backup and recovery for both on-premises and cloud-native environments, the company provides unparalleled data protection, migration, disaster recovery, and ransomware protection to thousands of companies worldwide. As an award-winning and recognized visionary in the industry, HYCU solutions eliminate complexity, risk, and the high cost of legacy- based solutions, providing data protection simplicity to make the world safer. With an industry- leading NPS score of 91, customers experience frictionless, cost-effective data protection, anywhere, everywhere. HYCU has raised $140M in VC funding to date and is based in Boston, Mass. Learn more at .

Overview:

At HYCU, we are building a next-generation SaaS-based multi-cloud data protection platform that helps organizations securely back up, protect, and recover business-critical workloads across modern cloud and SaaS environments.

As a Senior Java Engineer, you will join a highly collaborative engineering team focused on designing and developing scalable, high-performance distributed systems that power enterprise-grade backup, disaster recovery, and cyber resilience solutions. You will work on complex backend services, cloud-native architectures, and integrations across major cloud providers and SaaS ecosystems.

This is an opportunity to work on technically challenging problems at scale while contributing directly to the evolution of HYCU’s cloud-native platform and helping shape the future of data protection for modern enterprises.

Location: Ljubljana, Slovenia

What You’ll Do:

Design, develop, and maintain scalable backend services and microservices using Java
Build highly available and resilient distributed systems powering HYCU’s SaaS multi-cloud backup and recovery platform
Collaborate closely with Product, Architecture, QA, DevOps, and Support teams throughout the software development lifecycle
Write clean, maintainable, efficient, and well-tested code following engineering best practices
Participate in architecture discussions and contribute to technical design decisions
Optimize system performance, scalability, reliability, and security
Troubleshoot and resolve complex production issues in distributed cloud environments
Contribute to CI/CD pipelines, automation, observability, and developer tooling
Mentor junior engineers and contribute to a strong engineering culture
Stay up to date with emerging technologies and industry trends in cloud computing, SaaS platforms, and data protection

What We’re Looking For:

Bachelor’s degree in Computer Science, Software Engineering, or a related technical field
5+ years of professional software engineering experience with strong expertise in Java
Strong understanding of object-oriented programming, design patterns, and clean code principles
Experience building scalable backend systems, APIs, and distributed applications
Hands-on experience with cloud platforms such as AWS, Microsoft Azure, or Google Cloud Platform
Experience developing cloud-native or SaaS applications
Strong understanding of REST APIs, microservices architecture, and asynchronous systems
Experience with containerization and orchestration technologies such as Docker and Kubernetes
Familiarity with relational and NoSQL databases
Experience working with CI/CD pipelines and DevOps practices
Strong debugging, analytical, and problem-solving skills
Experience working in Agile/Scrum development environments
Good written and spoken English communication skills

It’s Great if You Have:

Experience building backup, storage, security, infrastructure, or data protection products
Familiarity with distributed messaging systems such as Kafka or RabbitMQ
Experience with observability and monitoring tools
Experience using and building AI tools and systems
Knowledge of cybersecurity, ransomware protection, or disaster recovery concepts

Who We Are:

Our Core Values: Authenticity, Grit and Empathy are at the heart of everything we do at HYCU. All of us at HYCU take ownership in shaping and contributing to our culture. We pride ourselves in developing an inclusive and diverse company that supports our employees and customers to do extraordinary things.

The following is how we approach each Core Value:

Authenticity – To be authentic means to be who we are and do it well. Focus your energy on being who YOU are. Be true to yourself. Authenticity also extends to our products. Understanding where we are truly the best fit for our customers and when we are not. And finally, authenticity in relationships: ensuring that we are honest and do what we say we’re going to do.
Grit – To win we need to want it. Every team member needs to be able to jump in and help at every turn. Whether it’s staying late to help a colleague or customer or finding a better process and making sure it’s communicated cross-functionally. You just have to do it and love it…and never stop trying.
Empathy – We need to care about each other, about our clients, about our business, and about the world around us. That might seem like a tall order, but if we don’t live in a constant state of empathy, if we don’t strive to truly put ourselves in another person’s shoes, we cannot truly serve the market.

"We are at our best when we stay true to our Core Values."~ Simon Taylor, CEO

What We Offer:

Come work for one of CRN’s “Cloud 100 Companies for 2026”. At HYCU you’ll have the opportunity to build your career with a “Visionary” B2B SaaS company from Gartner’s Magic Quadrant for BackUp and Data Protection Platforms. HYCU provides an excellent benefits package including Medical Insurance, generous time off, and more. We offer career development programs and an inclusive global culture. All our employees participate in our equity program.

Equal Opportunity Employer

HYCU is an equal opportunity employer and is committed to providing a workplace free from discrimination and harassment. We do not discriminate on the basis of race, color, religion, religious creed, national origin, ancestry, sex, pregnancy, childbirth or related medical conditions, sexual orientation, gender identity or expression, age, disability, genetic information, marital status, military or veteran status, citizenship status, or any other characteristic protected by applicable federal, state, or local laws.

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