Senior Software Development Engineer

1 day ago

Lake Forest, Illinois, United States Grainger Full time

**About Grainger:**

Grainger, a leading industrial distributor, is seeking a highly skilled Senior Software Development Engineer to join its team. With over 4.5 million customers worldwide and 2023 sales of $16.5 billion, we are committed to providing value for our customers, fostering an engaging culture for our team members, and driving strong financial results.

We are proud to be an equal opportunity workplace, dedicated to fostering an inclusive and accessible environment. Our welcoming workplace enables you to learn, grow, and make a difference by keeping businesses running and their people safe.

**Estimated Salary:** $170,000 - $200,000 per year.

**Job Description:

The Search team is seeking a highly skilled software engineer to help build and enhance a cutting-edge search infrastructure that can scale efficiently to handle increasing data volumes and complex user queries.

This role will focus on leveraging advanced search techniques, including vector search, natural language processing (NLP), and personalization, to improve relevancy and user experience. Additionally, this engineer will collaborate closely with data engineering and data science teams to design robust data pipelines, integrate machine learning models, and continuously optimize search relevancy and performance.

**Key Responsibilities:

  • Data Analysis: Analyzing search patterns, user interactions, and relevancy metrics to refine search algorithms and improve the overall user experience.
  • Developing Search Algorithms: Implementing advanced search algorithms that can process large datasets quickly and accurately, leveraging search engine features such as vector search, natural language processing, personalization, and other state-of-the-art technologies.
  • Relevancy Model Development: Collaborating with machine learning and data science teams to optimize relevancy models that improve user search experiences, incorporating feedback loops and behavioral data.
  • Developing APIs: Writing APIs or services to integrate relevancy feature embeddings into the search engine, and developing efficient, real-time search query logic to capitalize on these embeddings.
  • A/B Testing and Experimentation: Implementing frameworks for A/B testing to experiment with different search and relevancy approaches, measuring and analyzing the outcomes to drive continuous improvements.
  • Infrastructure Optimization: Enhancing the search infrastructure to ensure scalability and robustness as the system grows in complexity and usage.
  • Performance Tuning: Continuously testing and optimizing the performance of the search engine to improve query response times, accuracy, and relevancy based on defined metrics.
  • Integration: Integrating the search infrastructure with other services and data platforms to enable seamless data retrieval, indexing, and search performance monitoring.
  • Data Pipeline Management: Developing and maintaining scalable data pipelines to ensure efficient data flow, low-latency indexing, and real-time search capabilities.
  • Search Result Tuning Based on Business Metrics: Collaborating with product and business teams to fine-tune search results to align with business goals like conversion, engagement, and retention.
  • Technical Collaboration & Leadership: Providing technical leadership in search technologies, guiding cross-functional projects with data science, engineering, and infrastructure teams.

**Requirements:

  • Strong background in computer science, with specific skills in data structures, algorithms, and distributed systems development.
  • 5+ years of experience with search engines such as Elasticsearch, Solr, or similar technologies, and proficiency in leveraging advanced techniques like vector search, NLP, and personalization to build sophisticated, multifaceted relevancy scoring systems.
  • Proficiency in writing high-quality production code, demonstrating strong software engineering expertise.
  • Experience with A/B testing and experimentation to validate search algorithm changes and drive continuous improvements based on real-world results.
  • In-depth knowledge of relevancy metrics, including precision, recall, and DCG, and the ability to apply these metrics to improve search performance.
  • Strong expertise in programming languages such as Java, Python, or Scala, used for search and data engineering solutions.
  • Experience designing large-scale distributed systems, particularly custom search functionalities, and working with cloud technologies like AWS (e.g., EC2, S3, Lambdas).
  • Familiarity with event-streaming technologies like Kafka for managing large-scale data flow and real-time indexing.
  • Experience with search analytics and monitoring tools like Kibana, Grafana, and Datadog, used for tracking and improving search performance.
  • Experience working in an Agile environment, contributing to continuous integration and delivery pipelines, and familiarity with microservices architecture.
  • Experience working with data engineers and data science teams to build feedback loops for machine learning models that enhance search relevancy.

We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, or veteran status.

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