Lead Software Engineer, AI
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Job Description
Graph Database Developer building knowledge graphs for CI&T’s AI-powered fashion advisory platform. Optimizing entity resolution and openCypher queries for real-time style recommendations.
Responsibilities:
- Define node labels and edge types representing relationships between designers, garments, style attributes, trends, occasions, and editorial articles
- Build workflows consuming structured JSON payloads and load them into the graph database in batch mode
- Match extracted item mentions to product nodes in a catalog of 50,000+ SKUs using attribute-overlap scoring and match confidence thresholds
- Deduplicate items appearing inconsistently across different articles
- Assign relationship weights based on the prominence of items or trends in editorial content
- Design and tune openCypher traversal queries, including multi-hop queries, to return relevant results in under three seconds for downstream Amazon Bedrock Agents
- Collaborate with Machine Learning and GenAI Agent Developers to align graph structure with retrieval and recommendation needs
- Support technical interviews and validation of new team members joining the graph database workstream
Requirements:
- Advanced English proficiency (C1 or above), with autonomy to communicate directly with international stakeholders
- Solid experience with the property graph data model
- Experience writing and optimizing openCypher queries, including multi-hop traversals under latency constraints
- Experience designing graph schemas and evaluating trade-offs between different modeling approaches
- Experience building entity resolution logic, including fuzzy matching, scoring algorithms, and deduplication across data sources
- Strong Python skills for data engineering, including batch processing of structured data payloads
- Ability to work independently in a fast-paced, staff augmentation setting with an established client team
- Solid experience with Amazon Neptune (nice to have)
- Prior experience in fashion, retail, or e-commerce catalogs (nice to have)
- AWS certification in databases or data analytics (nice to have)
- Experience integrating graph databases with generative AI agents, such as Amazon Bedrock Agents (nice to have)
- Familiarity with recommendation systems or ranking/weighting logic for content surfacing (nice to have)
Benefits:
- Health and dental insurance
- Meal and food allowance
- Childcare assistance
- Extended paternity leave
- Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass
- Profit Sharing and Results Participation (PLR)
- Life insurance
- Continuous learning platform (CI&T University)
- Discount club
- Free online platform dedicated to physical, mental, and overall well-being
- Pregnancy and responsible parenting course
- Partnerships with online learning platforms
- Language learning platform
- Inclusion support and workplace accommodations for people with disabilities
- Dedicated Health and Well-being team, inclusion specialists, and affinity groups
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