Senior Backend Engineer, AI Companionship Bucharest

Senior Backend Engineer, AI Companionship
Bucureşti
Bucharest, Bucharest, Romania

Job Description

We are building the future of
- computer interaction and personal connection. We believe that technology can be a powerful tool for combating loneliness and fostering personal growth. Our core product is a revolutionary AI companionship platform where users can form deep, meaningful relationships, both platonic and romantic, with advanced AI characters.

These are not simple chatbots. Our companions are powered by sophisticated AI, complete with rich life histories, unique personalities, and dynamic daily schedules that allow for genuine, evolving relationships. We are a passionate, creative, and driven team looking for a key member to help us build the foundational technology that brings our AI companions to life.

The Role

We are seeking an exceptional Senior Backend Engineer to be a cornerstone of our technical team. You will be responsible for designing, building, and scaling the complex backend infrastructure that powers the entire user and AI companion experience. This is a unique opportunity to tackle fascinating engineering challenges at the intersection of
- scale systems,
- time interaction, and
- edge artificial intelligence. You will be instrumental in creating a seamless, reliable, and magical experience for our users as they build relationships with their AI companions.

A Note on Content: Please note that our platform is designed to facilitate a wide spectrum of relationships and user expression, which includes adult themes and NSFW content. As an engineer on our team, you will be working on systems that support this content. Candidates must be comfortable and professional in an environment that handles adult subject matter.

What You'll Do

• Architect & Build: Design, develop, and deploy robust, scalable, and
  - latency backend services and APIs that drive our platform.
• AI Integration: Collaborate closely with our AI/ML engineers to seamlessly integrate, deploy, and manage large language models (LLMs) and other sophisticated AI systems.
• Scalability & Performance: Engineer our systems to handle millions of concurrent, stateful interactions, ensuring a responsive and
  - time experience for our users.
• Data Integrity & Security: Take ownership of our database architecture (SQL and No
  SQL) to manage complex data for both users and AI characters. Implement rigorous security and privacy measures to protect sensitive user data, which is our highest priority.
• System Optimization: Continuously monitor, debug, and optimize application performance, identifying and resolving bottlenecks in our production environment.
• Lead & Mentor: Act as a technical leader within the team, championing best practices in coding, system design, and security. Mentor other engineers and contribute to a culture of technical excellence and innovation.

Who You Are

• Experienced Engineer: You have 5+ years of professional backend development experience, with a proven track record of building and shipping complex,
  - scale products.
• AI-Savvy: You have direct experience working on AI-powered applications. You understand the unique infrastructure challenges involved in deploying and serving machine learning models in a production environment.
• Technically Proficient:
  • Deep expertise in Python is mandatory. Experience with other backend languages like Node. js is a plus.
  • Extensive experience with cloud platforms (AWS, GCP, or Azure).
  • Deep knowledge of database technologies, including relational (e. g. , Postgre
    SQL) and No
    SQL (e. g. , Mongo
    DB, Redis) databases.
  • Strong background in designing and building scalable systems using microservices architectures.
  • Proficiency with containerization technologies (Docker) is required.
• Security-Minded: You have a strong grasp of data security best practices and understand the importance of user privacy.
• Problem Solver: You are a pragmatic and creative thinker who thrives in a
  - paced, innovative startup environment and can navigate ambiguous challenges.

Bonus Points

• Experience with
  - time communication technologies (e. g. , Web
  Sockets, g
  RPC).
• Familiarity with container orchestration (e. g. , Kubernetes).
• Knowledge of concepts like Retrieval-Augmented Generation (RAG) and vector databases.
• Experience with LLM Ops (MLOps for Large Language Models), including model deployment and monitoring.
• A genuine passion for the potential of AI to create positive human experiences.

Join us and help build a product that will redefine the nature of companionship.

Disclaimer: We’re really grateful for your interest in this role! While we’d love to respond to everyone, we’ll only be reaching out to candidates who are a good match for the position.