Senior TypeScript Developer (Node.js) with GraphQL

*This position is fully remote only for employment in Bulgaria. However, people can also work in one of our offices in Sofia or Varna if they prefer to.

About DataArt

DataArt is a global software engineering firm and a trusted technology partner for market leaders and visionaries. Our world-class team designs and engineers data-driven, cloud-native solutions to deliver immediate and enduring business value.

We promote a culture of radical respect, prioritizing your personal well-being as much as your expertise. We stand firmly against prejudice and inequality, valuing each of our employees equally.

We respect the autonomy of others before all else, offering remote, onsite, and hybrid work options. Our Learning and development centers, R&D labs, and mentorship programs encourage professional growth.

Our long-term approach to collaboration with clients and colleagues alike focuses on building partnerships that extend beyond one-off projects. We provide the ability to switch between projects and technology stacks, creating opportunities for exploration through our learning and networking systems to advance your career.

Position Overview

Our client is a US-based asset management firm that develops a next-generation wealth management platform.

We’re looking for a talented Backend Developer with a strong GraphQL experience to join our engineering team. You’ll work on robust back-end systems using modern TypeScript and JavaScript frameworks. You’ll be a key part of the development process from architecture to deployment.

Responsibilities

• Design, develop, and maintain Node.js applications using TypeScript
• Build and optimize GraphQL APIs for performance, scalability, and security
• Collaborate with frontend developers to deliver seamless API integrations
• Write clean, maintainable, and well-tested code
• Troubleshoot and debug applications, ensuring high availability and reliability
• Participate in code reviews and contribute to engineering best practices
• Stay updated on new trends and tools in TypeScript, Node.js, and GraphQL ecosystems

Requirements

• Strong proficiency in TypeScript and Node.js
• Hands-on experience building and maintaining GraphQL APIs (Apollo)
• Solid understanding of RESTful APIs and microservices architecture
• Experience with databases (SQL and/or NoSQL such as PostgreSQL, MongoDB)
• Knowledge of version control (Git) and CI/CD pipelines
• Ability to work collaboratively in an Agile/Scrum team environment

Nice To Have

• Experience with Apollo Server/Client ecosystem
• Understanding of authentication/authorization (JWT, OAuth, OpenID Connect)
• Familiarity with Docker/Kubernetes for containerized deployments
• Exposure to cloud platforms (AWS, Azure, GCP)

What We Offer

• Unique corporate culture – no micromanagement, friendly atmosphere, freedom, and mutual respect
• Flexible schedule – ability to change projects, to work from home, and to try yourself in different roles
• Professional Development Map – a comprehensive map of your professional development within DataArt
• We hire people not for a project, but for the company. If the project (or your work in it) is over, you go to another project or to a paid “Idle”.
• Social benefits – additional health insurance, life insurance, sports card, etc.
• Opportunity to work from another DataArt office in a different city or country (temporarily or permanently)
• Free English courses
• Cozy office with a great atmosphere
• Snacks, drinks, and fruits are always available

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