Dataframe SDK Engineer
Remote · Stockholm, Stockholm, Sweden or SE
Stockholm, Stockholm, Sweden or SERemoteFull TimeMid LevelNot SpecifiedStartup
Type
Full Time
Level
Mid Level
Education
Not Specified
Company size
Startup
Job Summary
The DataFrame SDK Engineer at Rerun will build a world-class query and dataframe SDK, improving performance and functionality for exploring data. Responsibilities include working across Python, Rust, and gRPC layers, enhancing query performance, contributing to documentation, and collaborating on dataset interfaces. Ideal candidates should have strong experience in Python and Rust, and a knack for high-performance software development and clean API design.
Required Qualifications
- Experience building or contributing to Python data APIs, ideally dataframe-style APIs (e.g. Pandas, Polars, Arrow, Snowflake, or similar)
- Strong experience in Python and Rust, or a language-agnostic background with proven ability and motivation to pick up Rust rapidly
- Experience writing high-performance software and debugging across Python, Rust, gRPC, and distributed systems
- Proven ability to take projects from start to finish with limited hand-holding
- Empathy for developers and a sense of taste for clean, ergonomic API design
Desired Qualifications
- Experience with Apache Datafusion or Apache Arrow
- Familiarity with query planners, compilers, or execution engines
- Experience working on data-oriented or multimodal data systems (e.g., robotics, physics modeling, or simulation pipelines)
- Knowledge of async Rust or similar concurrent programming models
Additional Requirements
- Candidates outside of Europe or the US will be considered on a case-by-case basis to ensure there’s enough overlap for effective collaboration.
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