FullStack Node.js Developer

About the Position

The CHI Software team is not standing still. We love our job and give it one hundred percent of us! Every new project is a challenge that we face successfully. The only thing that can stop us is… Wait, it’s nothing! The number of projects is growing, and with them, our team too.

We are looking for a FullStack Node.js Developer to join our fast-growing, AI-powered recruitment technology company with offices in Germany, Poland, Austria, and Switzerland.

About the Project

The company builds modern SaaS products that combine machine learning, automation, and user-friendly interfaces to deliver faster and more accurate hiring solutions.

In this role, you will own the development and maintenance of critical backend services and APIs, optimize performance across distributed systems, and ensure seamless integration with third-party tools and internal services. You’ll work closely with cross-functional teams including DevOps, product, frontend, and architecture to deliver high-quality, production-ready code that drives our core business.

Responsibilities

• Design, implement, and maintain scalable REST and GraphQL APIs using Node.js and NestJS
• Build efficient, well-structured database schemas and optimize SQL queries (PostgreSQL)
• Integrate third-party services such as payment systems, analytics tools, and authentication providers
• Configure and manage observability tools: OpenTelemetry (OTel), Grafana, Azure Monitor
• Deploy services using Azure cloud tools (Azure Functions, Azure Container Apps)
• Contribute to CI/CD pipelines (GitHub Actions) and containerization using Docker and Kubernetes
• Conduct code reviews, contribute to architecture decisions, and uphold backend development best practices
• Monitor production environments, troubleshoot incidents, and support performance tuning
• Collaborate with team leads and mentor junior developers to ensure continuous growth and improvement

Requirements

Must Have:

• 3+ years of backend development experience using Node.js, NestJS, and TypeScript
• Strong knowledge of relational databases (especially PostgreSQL)
• Hands-on experience integrating external APIs and third-party services
• Proficiency with observability and monitoring tools (OTel, Grafana, Azure Monitor)
• Solid experience with Azure cloud infrastructure (Functions, Container Apps), CI/CD workflows (GitHub Actions), and container orchestration (Docker, Kubernetes)

Nice to Have:

• Experience with microservices architecture and event-driven systems
• Understanding of durable functions and workflow orchestration
• Broader experience with the Azure ecosystem
• Working knowledge of frontend frameworks like React, and state management libraries such as Redux or Zustand (to support full-stack collaboration)
• Familiarity with type-safe backend-to-frontend communication using TypeScript

Will be a plus:

• Experience with AWS

We Offer

• Covered vacation period: 20 business days and 5 days off
• Free English classes
• Flexible working schedule
• Truly friendly and supporting atmosphere
• Working remotely or in one of our offices
• Medical insurance for employees from Ukraine
• Legal support

About the Company

Join our fast-growing, AI-powered recruitment technology company with offices in Germany, Poland, Austria, and Switzerland. We are dedicated to building modern SaaS products that combine machine learning, automation, and user-friendly interfaces to deliver faster and more accurate hiring solutions.