Crustdata (YC F24)

About the Company

People and Company Search for AI Power any AI agent in sales, recruitment and investment with the freshest, most trusted data. The only platform providing truly real-time data to power your intelligence layer. Customers use us to build their AI agent platforms and applications over our trusted data. We power builders of: -AI SDRs -AI sales platforms -AI recruiting platforms -AI investment/due diligence platforms -Internal sales or marketing platforms We serve use cases like: automatic pipeline building, pipeline prioritization, champion watching, company and people triggers for sales and marketing automation, investment deal sourcing

Listed Jobs

Company Name

Crustdata (YC F24)

Job Title

Software Engineering Intern (Forward Deployed) | Summer 2026

Job Description

**Job title:** Software Engineering Intern (Forward Deployed) **Role Summary:** Internship focused on delivering technical solutions directly to customers. Rapid prototyping, building demonstrable tools, integrating systems, and turning prototypes into repeatable reference implementations. Works closely with revenue and product teams to help close deals and shape product direction. **Expectations:** - Bring strong coding capability and drive to ship products quickly. - Engage with real customer problems and deliver solutions that influence sales and product roadmap. - Communicate progress, write documentation and playbooks, and share feedback with cross‑functional teams. - Exhibit a learning mindset and growth in technical fundamentals. **Key Responsibilities:** - Design, develop, and prototype POCs for prospects. - Build demo tooling and reusable templates to accelerate sales cycles. - Implement turnkey integrations (APIs, pipelines, dashboards) for customers and hand over to Customer Success. - Connect Crustdata platform to customer systems and third‑party services. - Convert prototypes into reusable reference implementations within the product. - Develop AI agents to support internal sales and customer success workflows. - Document APIs, integration flows, and operational playbooks. - Participate in workshops and periodic on‑site sessions as needed. **Required Skills:** - Proficient in Python and/or TypeScript/JavaScript. - Hands‑on experience building end‑to‑end software (projects, OSS, hackathons, research, prior internships). - Strong programming fundamentals and rapid learning ability. - Excellent problem‑solving and communication skills. - Bonus: SQL, data warehousing/ETL knowledge, API and integration experience. **Required Education & Certifications:** - Undergraduate (or equivalent) student in Computer Science, Electrical Engineering, Mathematics, or a closely related technical field. - No formal certification required; demonstrable coding experience preferred.

San francisco, United states

On site

Fresher

25-01-2026

Company Name

Crustdata (YC F24)

Job Title

ML Engineer Intern (Summer 2026)

Job Description

Job Title: ML Engineer Intern (Summer 2026) Role Summary: Research, develop, and deploy machine‑learning models that transform large‑scale, multilingual web data into structured, searchable knowledge. Work closely with a founding team on core intelligence services, shipping prototypes to production within weeks. Expactations: - Deliver end‑to‑end ML solutions within a 12‑week internship. - Transition research concepts into production‑ready models. - Collaborate directly with senior engineers and product leaders. - Demonstrate ownership of complex data‑engineering and modeling tasks. Key Responsibilities: - Build and fine‑tune transformer‑based NLP models for tasks such as entity resolution, information retrieval, and text classification. - Design and implement retrieval pipelines that return relevant professional profiles across multiple languages. - Develop and train contrastive/metric learning models for embedding generation and similarity scoring. - Apply LLMs for structured data extraction, classification, and generation from unstructured signals. - Engineer solutions for entity resolution across millions of records, including deduplication and canonical mapping. - Create algorithms to infer organizational structures and detect career transitions at scale. - Optimize models for speed and resource efficiency on GPU clusters. Required Skills: - Python programming with advanced experience in PyTorch. - Deep understanding of transformer architectures and fine‑tuning strategies. - Proven experience building retrieval systems, classifiers, or embedding models. - Knowledge of contrastive learning, metric learning, or representation learning techniques. - Practical use of LLMs for extraction, classification, or content generation. - Familiarity with multilingual NLP and cross‑lingual transfer. Required Education & Certifications: - Current enrollment in a Master’s or PhD program in Computer Science, Machine Learning, NLP, or related field. - Demonstrated fundamentals in NLP, information retrieval, or entity resolution through coursework, research, or side projects. - Strong academic record with relevant coursework in machine learning, NLP, or information retrieval.

San francisco, United states

On site

Fresher

17-03-2026