Lead Engineer - Backend

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Bliro

Mission

At Bliro, we are transforming how businesses capture and analyze customer interactions with privacy preservation and AI at heart. We’re assembling a small, elite group of 3-4 Founding Engineers who will be at the core of our technical journey, shaping a product used by leading businesses.

As a Founding Engineer - Backend, your mission is to build complex backend systems. You will architect the codebase and join a small, high-performing team of developers. This role envisions that you will step into a key leadership role, driving engineering excellence and shaping the future of our product.

Objectives

  • Build Integrated Backend Ecosystem - Develop the backend ecosystem integrating WebSocket connections, asynchronous task processing (LLM queues), custom Bliro analytics, and MongoDB databases.
  • Lead by Doing - Contribute directly to the codebase with a hands-on approach, delivering high-impact projects end-to-end.
  • Technical Leadership - Join a small team of backend engineers, fostering a culture of best practices, clean architecture, and scalable codebases.
  • Strategic Decision-Making - Make informed decisions on the tech stack and architecture, ensuring rapid product iteration without compromising on quality.

Core Competencies

  • Expert-level knowledge of Node.js, Express, WebSockets and MongoDB, including schema design and optimization
  • Strong background in backend performance optimization, security best practices, and scalability
  • Hands-on experience building analytics engines for large-scale data processing and customer insights

Preferred Competencies

  • Experience implementing RAG (Retrieval-Augmented Generation) systems on top of MongoDB for advanced customer queries
  • Familiarity with AWS services (Lambda, CodePipeline) for CI/CD automation
  • Knowledge of containerization (Docker) and orchestration (Kubernetes) for scalable deployments
  • (Best case) You are an engineer by heart and contributed to open-source projects.

Why Join Bliro?

  • Impact: You’ll be a founding engineer, making critical decisions that shape our product and engineering culture.
  • Ownership: Lead major projects, own architecture decisions, and drive technical excellence.
  • Growth: Step into a leadership role within three months, with the autonomy to define Bliro’s technical vision.
  • Culture: Join a fast-moving startup, where your work directly impacts the success of the business.

Location

    Munich Office

Job type

  • Fulltime

Role

Engineering

Keywords

  • Engineering
  • Full-time
  • WebSockets