Senior Backend Engineer

Littlebird (Headquarters: Remote)

Python Rust Postgres AWS Search RAG Knowledge Graph Scalability Security Back End Engineer Staff Engineer

**About Littlebird:** Littlebird is a personalized AI assistant designed for Mac and Android. Our mission is to understand the information that matters for your personal workflow, helping users accomplish more, learn faster, and turn insights into action. We are a well-funded startup with over $4 million in seed funding, growing quickly in a remote-first environment. Our stack includes Python, React, Swift, Rust, Postgres, and AWS.

**About The Role:** We are seeking a Senior Backend Engineer to join our fast-paced team. This position reports directly to the technical leadership team and will play a crucial role in designing and implementing critical backend features and infrastructure as we grow. You will focus on processing tons of data including hybrid search and speech processing, and lead backend scalability and ML platform efforts.

**Responsibilities:**
- Work closely with R&D and Leadership to design scalable architecture
- Develop and maintain high-throughput backend services that support AI features including search, informational retrieval, RAG, and Knowledge Graph
- Build systems with a focus on performance, accuracy, and scale
- Understand and enforce security best practices across our infrastructure
- Own features that will produce value for our customers

**Requirements:**
- Minimum of 4 years of hands-on software development experience with a strong professional experience with Python, and one other of the following (Typescript, Rust, Java or C++)
- Passion for working on problems involving concurrency, data retrieval (internet-scale), and performance tuning in complex systems
- Ability to autonomously work on weakly defined projects that require an experiment-driven and collaborative mindset
- Excellent verbal and written communication skills

**Desired Experience:**
- Prior startup experience, shipping products 0-1 and/or owning major parts of a production-grade codebase
- Experience leading architectural discussions, discussing tradeoffs, designing integrations and test plans

**Benefits:**
- Remote-friendly work environment
- Collaborative team culture
- Opportunity to shape infrastructure decisions
- Competitive compensation packages including stock and health/dental/vision/life benefits, paid time off, 401k, and parental leave
- Flexible working hours across multiple time zones