Senior Data Engineer

Department Icon Data Science Analytics & Machine Learning
Posted: 8 months ago
5-7 years
India
Data Science Analytics & Machine Learning
work from office
Full Time

Posted: 8 months ago
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Job Description

  • What Youll Build
  • Core Responsibilities
  • Data Architecture & Infrastructure (40%)
  • ? Design and implement a multi-database architecture (MongoDB, Redis, Milvus, Neo4j, BigQuery)
  • ? Build scalable data pipelines for real-time conversation processing and personalization
  • ? Architect ETL/ELT workflows for data migration from legacy systems
  • ? Implement data partitioning, sharding, and optimization strategies for high-throughput systems
  • ? Create data governance frameworks ensuring quality, security, and compliance Vector & Graph Database Systems (25%)
  • ? Design and optimize Milvus vector collections for semantic search (1024-dim embeddings)
  • ? Build graph schemas in Neo4j for customer journey mapping and persona relationships
  • ? Implement HNSW indexing strategies and similarity search optimization
  • ? Create hybrid search systems combining vector, full-text, and graph queries
  • ? Monitor and tune database performance (query latency, throughput, resource utilization)
  • ML Data Infrastructure (20%)
  • ? Build data collection pipelines for LLM fine-tuning (conversation logs, tool executions)
  • ? Create feature stores for GNN training (customer interactions, engagement signals)
  • ? Implement data versioning and lineage tracking for ML experiments
  • ? Design A/B testing data infrastructure with CUPED variance reduction
  • ? Build real-time feature computation pipelines for contextual bandits
  • Analytics & Monitoring (15%)
  • ? Design BigQuery schemas for marketing analytics and performance tracking
  • ? Create materialized views and aggregation pipelines for real-time dashboards
  • ? Implement data quality monitoring and anomaly detection
  • ? Build observability infrastructure (Prometheus metrics, Grafana dashboards)
  • ? Develop cost optimization strategies for cloud data warehousing
  • Technical Stack Youll Work With
  • Databases & Storage
  • ? MongoDB (conversation state, active sessions)
  • ? Redis (caching, rate limiting, real-time data)
  • ? Milvus (vector embeddings, semantic search)
  • ? Neo4j (customer journey graphs, persona networks)
  • ? BigQuery (analytics warehouse, historical data)
  • Data Processing & Orchestration
  • ? Apache Airflow or Prefect (workflow orchestration)
  • ? Pandas, Polars (data transformation)
  • ? Apache Spark (optional - for large-scale processing)
  • ? dbt (data transformation and modeling)
  • ML/AI Data Pipeline
  • ? vLLM (LLM inference serving)
  • ? MLflow (model registry, experiment tracking)
  • ? Sentence Transformers (embedding generation)
  • ? PyTorch, TensorFlow (ML model training)
  • Cloud & Infrastructure
  • ? Google Cloud Platform (BigQuery, Cloud Storage, Compute)
  • ? Docker & Kubernetes (containerization, orchestration)
  • ? Terraform (infrastructure as code)
  • ? GitHub Actions or GitLab CI (CI/CD pipelines)
  • Programming & Tools
  • ? Python 3.10+ (primary language)
  • ? SQL (complex queries, query optimization)
  • ? Shell scripting (Bash/Zsh)
  • ? Git (version control)
  • Requirements
  • Must-Have Skills
  • ? 5+ years of data engineering experience with production systems
  • ? Expert-level SQL and database design skills
  • ? Strong Python programming (async/await, type hints, testing)
  • ? Experience with at least 3 different database technologies (SQL, NoSQL, Vector, Graph)
  • ? Proven track record building high-scale data pipelines (>1M records/day)
  • ? Deep understanding of data modeling (dimensional, normalized, denormalized)
  • ? Experience with cloud data warehouses (BigQuery, Redshift, or Snowflake)
  • ? Strong knowledge of data quality, validation, and governance
  • ? Excellent debugging and optimization skills
  • Highly Desirable
  • ? Experience with vector databases (Milvus, Pinecone, Weaviate, Qdrant)
  • ? Experience with graph databases (Neo4j, ArangoDB, Neptune)
  • ? Knowledge of embedding models and semantic search
  • ? Experience with ML data pipelines (feature stores, model training data)
  • ? Understanding of A/B testing and experimental design
  • ? Experience with real-time streaming (Kafka, Pub/Sub, Kinesis)
  • ? Knowledge of LLMs and conversational AI systems
  • ? Experience with data migration projects (especially large-scale)
  • ? Background in marketing technology or customer data platforms
  • Nice-to-Have
  • ? Experience with PyTorch Geometric or graph neural networks
  • ? Knowledge of marketing analytics (attribution, segmentation, personalization)
  • ? Familiarity with LangChain, LangGraph, or agent frameworks
  • ? Experience with cost optimization in cloud environments
  • ? Contributions to open-source data engineering projects
  • ? Experience with data compliance (GDPR, CCPA)
  • Key Projects Youll Own
  • Phase 1: Foundation
  • ? Migrate 10M+ conversation vectors from Pinecone to Milvus
  • ? Design and implement MongoDB schemas for real-time agent state
  • ? Set up Neo4j graph database with customer journey models
  • ? Create BigQuery data warehouse with partitioned tables
  • Phase 2: Optimization
  • ? Build automated data quality monitoring system
  • ? Implement caching strategies (Redis) for 10x latency reduction
  • ? Optimize vector search queries (target: <50ms p95 latency)
  • ? Create real-time analytics dashboards (Grafana)
  • Phase 3: ML Infrastructure
  • ? Build LLM fine-tuning data pipeline
  • ? Implement feature store for GNN training
  • ? Create A/B testing data infrastructure
  • ? Design multi-armed bandit state management
  • Work Environment
  • ? Collaborative team: Work with ML engineers, backend developers, and data scientists
  • ? Modern stack: Latest technologies and tools
  • ? Impact: Your work directly affects millions of marketing interactions
  • ? Autonomy: Own your projects end-to-end
  • ? Growth: Clear path to Senior/Lead/Principal roles

Skills

PythonData ArchitectureData GovernanceData MigrationData ModelingData WarehousingEtlData ProcessingMarketing AnalyticsSnowflakeAnalyticsAiGoogle CloudMlSqlData Engineer

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