AI Software Engineer, Search

Nexus; San Francisco (CA); On-site; USD 150,000 - 300,000; Full time

Job summary

Nexus recherche un Ingénieur Logiciel IA pour rejoindre son équipe de recherche. Vous serez responsable de la conception de systèmes de recherche avancés utilisant l'apprentissage profond et le traitement du langage naturel. Ce rôle implique l'optimisation des pipelines de recherche et l'analyse des performances pour améliorer la satisfaction des utilisateurs. Avec un environnement dynamique à San Francisco, vous aurez l'opportunité de travailler sur des projets innovants au sein d'une équipe d'experts.

Benefits

Competitive salary and generous equity compensation

Health insurance for employees and their dependents

Daily lunch and dinner provided at SF headquarters

Company-paid travel to events and conferences

Qualifications

• Expérience en recherche d'information, NLP ou apprentissage automatique.
• Compétences en Python et frameworks de deep learning.
• Capacité à écrire du code de qualité de production.

Responsibilities

• Concevoir et implémenter des systèmes de recherche intelligents.
• Optimiser les pipelines de recherche basés sur des vecteurs.
• Analyser les performances de recherche et améliorer la satisfaction des utilisateurs.

Skills

Information Retrieval

Natural Language Processing

Machine Learning

Python

Deep Learning

Education

Bachelor's Degree in Computer Science or related field

Tools

PyTorch

TensorFlow

Job description

Join to apply for the AI Software Engineer, Search role at Nexus

Join to apply for the AI Software Engineer, Search role at Nexus

About Nexus

Nexus is building a world supercomputer by leveraging the latest advancements in AI, cryptography, engineering, and science. Our team of world-leading experts is developing and deploying the Nexus Layer 1 blockchain and Nexus zkVM (zero-knowledge virtual machine) in support of our mission to enable the Verifiable Internet.

About Nexus

Nexus is building a world supercomputer by leveraging the latest advancements in AI, cryptography, engineering, and science. Our team of world-leading experts is developing and deploying the Nexus Layer 1 blockchain and Nexus zkVM (zero-knowledge virtual machine) in support of our mission to enable the Verifiable Internet.

Nexus raised $25M in Series A funding from Lightspeed, Pantera, Dragonfly, SV Angel, and more.

We are headquartered in San Francisco, and this role will be in-person with the rest of the Nexus team.

AI Software Engineer, Search

We're seeking an AI Software Engineer to join our Search team and build state-of-the-art information retrieval systems. You will work on neural search, ranking, and retrieval pipelines that power intelligent discovery across our platform. This role involves building systems that understand intent, relevance, and context at scale.

Responsibilities

• Design and implement intelligent retrieval systems using deep learning and LLMs.
• Build and optimize vector-based search pipelines and hybrid search
• Analyze search performance metrics and iterate to improve user satisfaction.
• Develop internal tools to support experimentation and deployment of new ranking methods.
  
  

Requirements

• Strong background in information retrieval, natural language processing, or machine learning.
• Experience with vector database sand search engines
• Proficiency in Python and deep learning frameworks like PyTorch or TensorFlow.
• Knowledge of ranking algorithms, embeddings, and LLM inference/integration.
• Ability to write production-quality, scalable code.
• Embrace AI as a core part of how you work, think, and build.
  
  

Bonus Points

• Experience integrating search with agentic or generative AI systems.
• Familiarity with personalization, contextual search, or multilingual retrieval.
• Contributions to open-source search or IR toolkits.
  
  

Benefits

• Competitive salary and generous equity compensation
• Health insurance for employees and their dependents
• Daily lunch and dinner provided at SF headquarters
• Company-paid travel to events and conferences
  
  

Nexus is committed to diversity in our workforce and is proud to be an Equal Opportunity Employer (EEO).

Seniority level

• Seniority level

  Entry level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Software Development

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