Senior Node.js Developer

Quick Facts

• Role: Senior Node.js Developer

• Collaboration: 100% remote

• Start date: Flexible

Description

You will design, develop, and optimize backend services and microservice architecture supporting key product functionality and real-time business decision-making. The work includes building scalable services, integrating internal and external APIs, implementing real-time data processing, and troubleshooting production issues. You will also contribute to architectural decisions, lead code reviews, and improve quality with automated tests and AI-assisted development tools.

Responsibilities

• Design, develop, and optimize backend services for core product features

• Build and evolve microservices architecture with scalability, performance, and reliability in mind

• Design and implement integrations with internal and external REST APIs, including third-party provider services

• Develop data-processing mechanisms and workflows that require real-time decision-making

• Design and optimize data structures and SQL queries for relational databases

• Deploy and maintain applications in container environments; support deployment automation

• Analyze and resolve complex production problems, including root-cause analysis in code, data, and inter-service communication

• Create and maintain automated tests to ensure quality, stability, and security

• Use AI-assisted development tools to support coding, code analysis, and engineering efficiency

• Participate in architectural decision-making and define technical standards

• Conduct code reviews and maintain solution quality

• Collaborate with Product Managers, architects, and engineering teams on new features and product development

Requirements

• Minimum 5 years of commercial backend development with Node.js, JavaScript, and TypeScript

• Very good knowledge of the Node.js ecosystem and experience building scalable backend services

• Practical experience designing REST APIs and integrating with external systems

• Very good knowledge of relational databases (PostgreSQL, MySQL, or MS SQL)

• Experience designing microservices architecture and knowledge of architectural and design patterns

• Ability to make independent technical decisions and evaluate their impact on architecture, performance, and maintainability

• Knowledge of the Test Pyramid approach and practical experience with Unit, Integration, and E2E tests

• Knowledge of application security, service-to-service communication, and data protection

• Practical experience using container environments and understanding deployment processes

• Experience debugging and optimizing production application behavior

• Practical knowledge of AI-assisted development tools (Cursor, Claude Code, Codex or similar)

• Good programming practices, Clean Code, and code review processes

• Independence, ownership, and ability to collaborate with product teams

• Very good English (C1)

Benefits

• Work on technology products for the insurance sector aimed at the US market

• Influence architectural decisions and guide technical choices for product development

• High autonomy and responsibility for delivered solutions

• Complex technical challenges across scalability, microservices, integrations, and real-time data processing

• Use modern AI tools to support development and improve engineering processes

• Collaboration with international product and engineering teams building solutions for the US market