Senior Backend JavaScript Developer - Cyprus, Limassol

We’re looking for exceptional and experienced Senior Backend JavaScript Developers to join our Unblocker team, with deep expertise in Node.js and building production-grade backend services.

In this role, you will take end-to-end ownership of product and feature development, building SaaS applications and services in a microservices architecture, using modern technologies in a fast-paced and professional environment.

Node.js, JavaScript, MongoDB, Kubernetes, Redis (including Redis Streams)

• End-to-end feature development, from design and implementation to production rollout and ongoing improvements.
• Build and operate backend services with a strong focus on scalability, reliability, and performance in a microservices environment.
• Participate in system design and architecture planning, and contribute to technical decisions across the team.
• Work with asynchronous, message-driven components using Redis Streams, including debugging, tuning, and ensuring resilient processing.
• Write high-quality, maintainable code with appropriate test coverage; participate actively in code reviews.
• Collaborate effectively with teammates and cross-functional stakeholders to deliver high-impact outcomes.
• Continuously learn, adapt, and stay up-to-date with best practices and evolving technologies.

5+ years of hands-on software engineering experience, including 3+ years focused on backend JavaScript / Node.js development. Proven experience building an