Senior Search Engineer

United States Digital Space LLC; Paris; Sur place; EUR 70 000 - 120 000; Plein temps

Avantages offerts par ce poste

Central Paris office

Generous vacation & time-off

Résumé du poste

United States Digital Space LLC in Paris is seeking a Senior Search Engineer to build and improve production search systems across multiple entity types.

You will work on geospatial search, indexing, query planning, retrieval, and ranking, and design metrics and feedback loops for search quality.

Qualifications

• Senior-level experience building production search systems.
• Strong understanding of indexing, query planning, retrieval, and ranking.
• Experience with geospatial search.
• Experience with search quality metrics, experimentation, and feedback loops.
• Experience evaluating, tuning, extending, or building search/indexing systems beyond basic API usage.
• Strong backend engineering fundamentals.
• Ability to reason about latency, relevance, correctness, and scale.

Responsabilités

• Build and improve search across multiple entity types.
• Work on geospatial search, indexing, query planning, retrieval, and ranking.
• Design metrics and feedback loops for search quality.
• Run offline evaluations and production experiments.
• Tune results using relevance, popularity, personalization, and contextual signals.
• Explore semantic or embedding-based search where useful.
• Work closely with backend and product teams to ship search improvements.

Connaissances

Senior-level experience

Indexing

Query planning

Retrieval

Ranking

Geospatial search

Search quality metrics

Experimentation

Backend engineering fundamentals

Latency & scale reasoning

Outils

Rust

Description du poste

What You'll Do

• Build and improve search across multiple entity types.
• Work on geospatial search, indexing, query planning, retrieval, and ranking.
• Design metrics and feedback loops for search quality.
• Run offline evaluations and production experiments.
• Tune results using relevance, popularity, personalization, and contextual signals.
• Explore semantic or embedding-based search where useful.
• Work closely with backend and product teams to ship search improvements.

Must Have

• Senior-level experience building production search systems.
• Strong understanding of indexing, query planning, retrieval, and ranking.
• Experience with geospatial search.
• Experience with search quality metrics, experimentation, and feedback loops.
• Experience evaluating, tuning, extending, or building search/indexing systems beyond basic API usage.
• Strong backend engineering fundamentals.
• Ability to reason about latency, relevance, correctness, and scale.

Nice To Have

• Experience with local search, maps, discovery, or multi-entity search systems.
• Experience with semantic search, embeddings, ranking, recommendations, or personalization.
• Experience with Rust search/indexing systems or similar low-level indexing primitives.
• Experience building search systems over multiple heterogeneous entity types.

Life at the company

To ensure that everyone is set up for success within our way of working, we work together onsite 5 days a week.

We wanted to make sure coming to the office was as comfortable as possible for you:

• We chose a location in central Paris, near Opera (Metro lines 3,8,9 and RER A).
• We have a beautiful Parisian-style office with high ceilings, balconies, and huge windows. So a lot of natural light!

Because life outside of work should also be stress-free, we cover:

• Health care (100% coverage).
• Maternity Leave, Paternity Leave, Second Parent Leave (salary maintained at 100%).
• Vacation days: 8-9 weeks (total) per year - (European summer? ).
• 5 weeks of paid time off (by the state);
• 1-2 additional weeks (RTT, based on our company contract);
• ~11 bank holidays.

We shut down entirely twice a year, two weeks in summer and one week in winter to allow everyone to truly recharge and to avoid prolonged slowdowns (especially in the summer). These pauses are part of your total vacation time, giving everyone a real chance to unplug and recharge. No Slack, no email, no FOMO.

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