Senior Backend Engineer

This is a fully remote position, open to applicants in Poland.

📋 Description

• Design, develop, and sustain clean, efficient, and scalable backend services utilizing Node.js and TypeScript.

• Collaborate with product managers and frontend engineers to create new product features from conception to deployment.

• Take ownership of significant components of the backend architecture and make decisions to enhance performance, reliability, and security.

• Compose thorough unit tests and perform code reviews.

• Identify and implement enhancements to the system, including the refactoring of legacy code.

• Mentor team members and share your engineering knowledge.

• Actively integrate AI into daily tasks and recognize opportunities for AI to streamline processes.

• Tackle complex issues within a high-load, distributed system.

• Construct and scale infrastructure capable of processing millions in donations.

• Engage across the checkout experience, donor portals, and analytics pipelines.

⛳️ Requirements

• Over 7 years of backend development experience, ideally in a product-centric setting.

• Strong practical experience with Node.js and contemporary frameworks such as Koa or NestJS.

• Profound knowledge of TypeScript, including advanced typing and module systems.

• Significant experience with MongoDB or other NoSQL databases.

• Familiarity with event-driven architecture using tools like Kafka, RabbitMQ, or Bull/Redis.

• Practical experience with ClickHouse or similar analytics databases and Elasticsearch.

• Solid understanding of system design, clean architecture principles, and performance optimization.

• Capability to work autonomously, take responsibility, and successfully complete projects.

• Comfort in collaborating within a Russian-speaking team.

• Proven use of AI in professional settings.

• Previous experience in a remote-first, globally distributed team is a plus.

• Familiarity with Prometheus, Grafana, or Datadog is preferred.

• Interest in the nonprofit technology sector is advantageous.

• Ability to convey complex technical concepts to non-technical stakeholders is preferred.

🏝️ Benefits

• Equity options.

• 31 days of vacation.

• Fully covered telemedicine plan.

• Assistance with home office setup, including support for purchasing an office chair, desk, monitor, and other workspace essentials.

• Courses for learning English.

• Opportunities for relevant professional education.

• Access to a gym or swimming pool.

• Co-working spaces available.

• Flexibility to work remotely.

• Collaboration within a product team.

• Access to genuine customer feedback from global nonprofit leaders.

• Flat organizational structure.

• Transparent company culture.