Senior Backend Developer (Node.js + DevOps)

TechBiz Global GmbH; Polska; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

TechBiz Global seeks a Senior Backend Developer to design, build, and scale backend services using Node.js. You will develop API integrations, work with Azure for deployment, and own event-driven architectures. This role demands independent problem solving and collaboration with cross-functional teams.

Strong knowledge of scalable system design and DevOps practices is essential, along with fluent English communication. Healthcare familiarity and geolocation experience are a plus.

Qualifications

• Must have senior backend experience with strong Node.js expertise.
• Solid experience with DevOps practices and cloud environments (Azure preferred).
• Proven experience with API development and system integrations.

Responsibilities

• Design, develop and maintain scalable backend services using Node.js.
• Build and manage API integrations and external system connections.
• Work with Azure cloud infrastructure for deployment and scaling.

Skills

Node.js

DevOps

API development

Event-driven

Scalable design

Ownership

English communication

Tools

Azure

Job description

At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Senior Backend Developer to join one of our clients' team. If you're looking for an exciting opportunity to grow in an innovative environment, this could be the perfect fit for you.

Key Responsibilities:

• Design, develop, and maintain scalable backend services using Node.js
• Build and manage API integrations and external system connections
• Work with Azure cloud infrastructure for deployment and scaling
• Implement and manage event-driven systems, including geolocation-based features
• Develop and optimize push notification orchestration systems
• Contribute to DevOps processes, including CI/CD, monitoring, and infrastructure improvements
• Ensure system reliability, performance, and security
• Collaborate with cross-functional teams (product, hardware, and software)
• Make independent architectural decisions and drive technical solutions

Requirements:

• Senior-level experience in backend development with strong expertise in Node.js
• Solid experience with DevOps practices and cloud environments (preferably Azure)
• Proven experience with API development and system integrations
• Experience with event-driven architectures
• Strong understanding of scalable system design
• Ability to work independently and take ownership of solutions
• Good communication skills and conversational English

Nice to Have

• Experience in healthcare projects or familiarity with healthcare regulations
• Knowledge of geolocation-based systems
• Experience with push notification systems at scale
• Exposure to hardware + software integrated environments