Senior Back End Engineer

We are looking for a Senior Backend Engineer with strong experience in Node.js and distributed systems. You will work within a microservice architecture, debug issues across services written in different technology stacks, and write clean, efficient TypeScript code. Legacy systems don’t scare you -  they are seen as interesting technical challenges.

You will join a professional engineering team responsible for building and maintaining the core backend and data layer of a complex platform. The team supports key technical workflows, including:

• ETL pipelines across multiple data sources
• Data export pipelines
• High-load backend services
• Search and analytics systems
• Intelligent data processing and generation systems
• AI-powered data solutions
   

From a backend perspective, the platform is primarily built with Node.js, using Express and NestJS.

Requirements

Must have

• Strong understanding of software engineering fundamentals, algorithms, data structures, and OOP
• Solid knowledge of ES6+ JavaScript and TypeScript
• Hands-on experience with Node.js, Express, NestJS, and Redis
• Experience working with SQL or NoSQL databases
• Good understanding of CI/CD practices
• Ability to work independently and take ownership of initiatives
• Strong English communication skills (written and verbal)

Nice to have

• Experience with AWS (SQS, RDS, CloudWatch, OpenSearch, S3, etc.)
• Experience designing or maintaining ETL pipelines
• Familiarity with n8n or similar workflow tools
• Experience with high-load or data-intensive systems
   

Responsibilities

• Own and evolve critical backend services and data pipelines
• Design, implement, and maintain scalable and reliable services
• Debug and analyze complex data flows across multiple systems
• Drive improvements in architecture, performance, and reliability
• Lead the development of new services and features from scratch
• Write high-quality, maintainable code
• Act as a technical reference point for the team and help raise engineering standards

What you get

• Meaningful work
• No time tracking
• Like-minded people
• A supportive and experienced engineering team
• Internal learning and development program
• Office that feels like a second home
• Work-life blend
• 20 vacation days
• Accounting support
• Medical care & wellbeing
• Family-friendly space
• Office gym with a personal trainer