Senior Node.js Backend Engineer

Empower cloud innovation — revolutionize backend systems with scalable, serverless architecture! Warsaw-based opportunity with a fully remote work model. As a Senior Node.js Backend Engineer, you will be working for our client, a leader in cloud solutions and infrastructure services, committed to transforming how organizations harness AI and data-driven insights. Your expertise will contribute to building resilient, scalable distributed systems that power cutting-edge applications, driving innovation and digital excellence. Your main responsibilities: Develop, optimize, and maintain robust serverless applications within AWS using Node.js, Lambda, SQS, CloudWatch, and S3. Design and implement data integration workflows, including data analysis, transformation, and validation. Build and refine REST-like APIs to support seamless external and internal integrations. Create and manage Terraform infrastructure-as-code configurations for AWS environments. Collaborate with cross-functional teams to troubleshoot, scale, and enhance system performance. Contribute to CI/CD pipelines leveraging GitHub Actions and version control best practices. Ensure system reliability through proactive monitoring, troubleshooting, and optimized cloud operations. Utilize containerization and Linux command-line skills for deployment and maintenance tasks. You’re ideal for this role if you have: 4+ years of experience in Node.js backend development. 2+ years of experience in system/data integration and…