Senior Fullstack Engineer (Node.js/React)

TL;DR

Senior Fullstack Engineer (Node.js/React): Developing a critical platform for clinical study setup and management with an accent on scalable backend solutions and high-quality user interfaces. Focus on architectural decisions, NoSQL data modeling, and ensuring system maintainability under global scale.

Location: Hybrid (Sofia, Bulgaria)

Company

hirify.global is a leading software and technology consulting company providing mission-critical solutions across various industries through specialized software businesses.

What you will do

• Design, develop, and maintain backend-focused full stack solutions for a customer-facing study management platform.
• Contribute to architectural decisions and technical design to ensure scalability, performance, and maintainability.
• Collaborate with frontend engineers, UX designers, and global stakeholders to deliver high-quality features.
• Implement and maintain automated testing across unit, component, and end-to-end levels.
• Support secure, scalable solutions, including authentication and identity management integrations.
• Proactively identify opportunities for technical and product improvements to drive innovation across the platform.

Requirements

• 5+ years of experience in Fullstack software engineering.
• Strong proficiency in Node.js, TypeScript, React, and Tailwind.
• Hands-on experience with MongoDB and NoSQL data modeling.
• Experience with Docker and Kubernetes for containerization and orchestration.
• Solid understanding of software architecture, design patterns, and clean code principles.
• Fluent spoken and written English.

Nice to have

• Familiarity with event-driven architectures and messaging systems like Kafka.
• Experience with enterprise or large-scale distributed systems.
• Knowledge of accessibility standards and inclusive design best practices.
• Experience with Agentic coding and AI tools.

Culture & Benefits

• Opportunity to work on impactful global projects for recognizable brands.
• Commitment to diversity, equity, and inclusion, fostering an inspiring workplace.
• Environment built on openness, trust, and professional growth.
• Work within a cross-functional team blending strategic insights with brilliant engineering.