Middle Backend Engineer

Hacken is a blockchain security auditor with a vision of transforming Web3 into a more ethical place. We believe cybersecurity encompasses not just the prevention of hacks but also the integrity and transparency in all aspects of business operations, including the ethical treatment of investors, avoidance of fraudulent practices, and honesty in financial and operational disclosures.
Today, over 1,000+ clients have chosen Hacken as their security partner—the best recognition of our value to Web3. Our team counts over 120 global talents, including 60+ certified engineers. Our goal is to continually drive innovation and reinforce the safety and integrity of the blockchain industry, providing a secure and reliable environment for all open web adopters.

As a middle-backend engineer, you will be part of the RnD development team working on a platform that combines BigData Web2 SaaS and Web3 Blockchain technologies.

It’s a Match If You Have:

• Fluency in Java and a deep understanding of backend development.
• Experience with Kubernetes, Kafka, Elasticsearch, and Postgres.
• Familiarity with Quarkus, Vert.x, or Reactive Asynchronous programming frameworks (a plus).
• Expertise in data streaming, including stream processing and batch ETL pipelines.
• A strong foundation in algorithms, data structures, optimization, and performance paradigms.
• Understanding of software engineering processes, with a focus on code quality, reusability, and scalability
• Interest in the Blockchain industry and a passion for cutting-edge technology.
• English proficiency (B2 or higher).

What You’ll Do:

• Collaborate closely with Architecture and Product Management teams to define and deliver exceptional solutions.
• Design and develop subsystems and components.
• Promote and adhere to best practices, common frameworks, and technologies.
• Maintain and promote company engineering standards and culture, fostering a high-performing team environment.
• Ensure code quality through automation, peer reviews, and a commitment to excellence.

You Will Have Access To:
Medical Insurance: Comprehensive coverage with flexibility to suit individual needs.
Health and Wellness Compensation: Reimbursement for sports, yoga, mental health, home office set-up and other wellness activities to promote a healthy lifestyle.
High-End Equipment: You will receive a high-end laptop, monitor, and additional IT equipment needed to support your work.
Co-working Space Reimbursement: Ukrainian team members’ co-working space expenses will be reimbursed, ensuring a comfortable and productive work environment.
Learning and Development Budget: A generous budget for your learning and development activities will be allocated.
Book and Subscription Compensation: Reimbursement for professional and self-development books and subscriptions to enhance your knowledge and skills.
Budget for Global Gatherings: Enjoy the opportunity to attend gatherings in various global locations with a dedicated budget to facilitate these experiences.
Remote-first Model: Opportunity to work in a remote-first model with teams distributed globally, enabling flexibility and collaboration across borders

Why You’ll Love Working Here:
We Foster Excellence by setting bold goals, pushing limits, and never settling. Ambition drives us.
We Hack the Norm. We challenge the status quo, think differently, and create smarter solutions.
Taking Ownership isn’t optional. We encourage each other to lead, take initiative, and own our impact.
Empowered by Unity, we collaborate without barriers, build trust, and achieve more together.
We’re Ethical Hackers who commits to the highest ethical standards in all our actions,using our skills to protect and secure Web3 space.

Apply now and be part of the future of blockchain security with Hacken!