Senior Backend Developer (Node.js & Go)

Quick Facts

• Role: Senior Backend Developer (Node.js & Go)
• Focus: Banking telemetry platform and actionable product insights
• Work model: Hybrid (in-office 6 days per month)
• Collaboration: Team of ~10, primarily Poland-based

Description

As a Senior Backend Developer, you will design and develop backend services that collect and analyze product telemetry, turning real-time application data into actionable insights for customers. The role involves building high-performance REST APIs, shaping architecture and best practices, and collaborating with clients to implement telemetry requirements. You will also work with AI-related tooling, chatbots, and agentic approaches within the platform.

Responsibilities

• Design and develop high-performance REST APIs for telemetry data collection and analysis
• Contribute to architecture decisions and best development practices
• Collaborate with stakeholders to gather and implement telemetry requirements
• Work with AI-related tooling, chatbots, and agentic approaches
• Participate in long-term development efforts with a team of ~10
• Engage directly with clients, translating their needs into technical solutions
• Ensure scalable, reliable, and efficient backend systems

Requirements

• 5+ years of backend development experience
• Strong hands-on experience with Node.js and REST API development
• Proven ability to build high-performance REST APIs
• Good communication skills and readiness to interact with clients
• Experience with AI integrations, chatbots, and agentic architectures
• Existing legal right to work in the European Union
• Communicative English proficiency

Benefits

• Hybrid work model (6 days per month in the office)
• Opportunity to work on a groundbreaking fintech telemetry and insights platform