Senior Software Engineer – DaaS / APIs / MCP

📋 Description

• Build services powering Cognism's Data-as-a-Service (DaaS), APIs and MCP capabilities
• Work on cloud-native distributed systems processing large volumes of data
• Expose data through secure, scalable APIs used by enterprises and AI workflows
• Own software throughout its lifecycle with a focus on quality, reliability and performance

🎯 Requirements

• Strong backend development experience with Java/Scala/Kotlin/C# or modern TypeScript/Node.js
• Experience designing REST APIs and distributed microservices
• Hands-on with AWS or another major cloud platform
• Proficient in SQL and NoSQL databases; understanding of CI/CD, Git, and modern engineering practices
• Experience with Kubernetes and Docker; knowledge of event-driven architectures (Kafka)
• Public API or developer platform experience is a plus

🎁 Benefits

• Hands-on ownership of architecture and platform decisions
• Collaborative, high-impact engineering culture in a Warsaw hub
• Competitive compensation and career growth opportunities