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About this Job

Position: Data Scientist (Active Secret Clearance Required)
Location: Lexington, MA (Hybrid)
Length: 5 Month Contract

Job Description:
Designs, develops, and implements methods, processes, and systems to consolidate and analyze diverse data sets including structured and unstructured. Develops software programs, algorithms, dashboards, information tools, and queries to clean, model, integrate and evaluate datasets. Keeps abreast of new analytic methodologies and technologies. Collaborates with functional business units to drive business solutions and direction.

Essential Duties and Responsibilities:

Design, implement, and maintain enterprise-scale search solutions using Apache Solr
Develop and optimize semantic search capabilities using vector embeddings and neural search models
Build custom indexers and indexing pipelines that support vector embeddings alongside traditional text fields
Implement and tune Approximate Nearest Neighbor (ANN) algorithms for efficient similarity search at scale
Design and optimize similarity functions (cosine, dot product, Euclidean) for various search use cases
Build hybrid search systems that combine traditional keyword-based search with vector-based semantic search
Perform traditional relevancy engineering including query analysis, field weighting, boosting strategies, and result tuning
Conduct relevancy analysis using quantitative metrics and qualitative evaluation methods
Monitor search performance metrics and implement continuous improvements
Work cross-functionally with product, engineering, and data teams to define search requirements

Qualifications:

5+ years of hands-on experience with Apache Solr or Lucene in production environments
Strong expertise in traditional relevancy engineering including query parsing, field boosting, function queries, and relevance tuning
Proven experience conducting relevancy analysis using both automated metrics and manual evaluation techniques
Strong expertise in vector embeddings and their application to semantic search
Proven experience building hybrid search systems that combine keyword and vector-based approaches
Knowledge of search relevance metrics (NDCG, MRR, precision/recall)
Excellent problem-solving and analytical skills
Strong communication skills and ability to work in collaborative environments

POST-OFFER BACKGROUND CHECK IS REQUIRED. Digital Prospectors is an Equal Opportunity Employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other characteristic protected by law. Digital Prospectors affirms the right of all individuals to equal opportunity and prohibits any form of discrimination or harassment.

Come see why DPC has achieved:

4.9/5 Star Glassdoor rating and the only staffing company (< 1000 employees) to be voted in the national Top 10 ‘Employee’s Choice - Best Places to Work’ by Glassdoor.
Voted ‘Best Staffing Firm to Temp/Contract For’ 8 consecutive years in a row by Staffing Industry Analysts as well as a ‘Best Company to Work For’ by Forbes, Fortune and Inc. magazine.

As you are applying, please join us in fostering diversity, equity, and inclusion by completing the Invitation to Self-Identify form today!

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Working With Digital Prospectors

We believe people power every organization – and that includes you. When you work with us, you’re more than a placement. You’re a professional we represent with care.

We pride ourselves on offering a competitive benefits package designed to support the health, well-being, and financial future of our employees. Our solutions are designed with flexibility in mind, allowing us to align with your goals and requirements  A member of our recruiting team will be happy to discuss the details of our benefits options, eligibility, and any questions you may have regarding employment with Digital Prospectors. Please contact our talented recruiting team to learn more.

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We believe all people should love their job. That belief shapes how we recruit, how we communicate, and how we support you once you’re placed. We know that meaningful work – especially in technical and regulated environments — requires trust. Our responsibility is to treat your career with that same level of care. If the work matters, the people doing it matter more.

“Everyone I interacted with at Digital Prospectors was highly professional while still being approachable and personable. The team is always willing to help and communicates clearly and effectively. As a contractor, I felt supported throughout the process, with strong advocacy and seamless coordination. From the initial phone screen through the interview process, I was well prepared at every step.”

Kevin, UI/UX Designer

“Digital Prospectors offers excellent support, reliable communication, and smooth hiring/onboarding experience. The team is highly professional, always quick to respond, and genuinely invested in my success. The process has been efficient, transparent, and well-coordinated, which makes me confident recommending this agency to others.”

Sarah, Business Systems Analyst

“Working with Digital Prospectors has been one of the best recruiting experiences of my career. The team is organized, transparent, and genuinely invested in matching candidates with the right opportunities. Communication is clear, details are handled with care, and there is consistent advocacy throughout the process. The entire experience was smooth, stress-free, and even enjoyable. If you’re looking for a recruiting partner who treats you like a person—not a transaction—Digital Prospectors stands out.”

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