Hire the best Neo4j Developers in Kolkata, IN
Check out Neo4j Developers in Kolkata, IN with the skills you need for your next job.
- $50 hourly
- 5.0/5
- (10 jobs)
With 8+ years of experience in AI/ML, Generative AI (Gen AI), and Data Engineering — and as a former senior engineer at Microsoft, Meta, and Google, and an Expert-Vetted talent with a 100% Job Success Score on Upwork — I bring a diverse and results-driven skillset to design, architect, and deliver intelligent, high-performance systems. These solutions drive real-time decisions, scale seamlessly to enterprise demand, and address complex challenges across data pipelines, infrastructure, and applied AI. I specialize in an AI-first strategy, backed by robust Data Engineering foundations — delivering end-to-end consulting that spans everything from orchestrating large-scale pipelines and semantic data layers to building agentic LLM workflows and predictive models. Every solution is cost-optimized without compromising performance or efficiency, delivering production-ready systems that are scalable, maintainable, and built for long-term impact — whether for small teams or large enterprises. 🧠 Gen AI and Agentic AI • LangChain · LangGraph · LlamaIndex • OpenAI · Claude · Gemini · Hugging Face Transformers • Retrieval-Augmented Generation (RAG, Self-RAG, Corrective RAG, Advanced RAG Techniques) • Agentic AI Workflows · Multi-Agent Orchestration · Context-Persistent AI Systems • Prompt Engineering & Tuning: Chain-of-Thought (CoT), ReAct, LoRA, QLoRA, PEFT, RLHF • Embedding Pipelines: Sentence-BERT, OpenAI Embeddings, Domain-Specific Vectors • Semantic Memory Systems · Graph-Enriched Recall (Neo4j) • Multimodal Capabilities: Computer Vision, Audio, Image, Conversational AI • Data-Driven Actions · Intent Detection · Intelligent Routing & Decision Automation 🔄 Data Engineering & Platform Architecture • Databricks · Snowflake · Apache Spark (PySpark) · Delta Lake · Apache Hudi · Apache Iceberg • dbt (Contracts) · Apache Airflow · Apache NiFi · Prefect · AWS Glue · GCP Data Fusion · Azure Data Factory • BigQuery · Amazon Redshift · Azure Synapse Analytics • Event-Driven Pipelines: Kafka · Kinesis · Pub/Sub · Event Hubs • Data Mesh · Cross-Cloud Federation · ETL & ELT Workflows • Data Quality & Governance: OpenMetadata · Great Expectations · Unity Catalog • Secure Integration: Mulesoft · REST APIs · OAuth · Cloud Functions • Real-Time Analytics · Metadata Lineage · Scalable Pipeline Automation ⚙️ Core Engineering, ML, and Infrastructure • Python · Java · Go · SQL · Bash · Git · REST APIs • Scikit-Learn · XGBoost · LightGBM · MLFlow · Model Evaluation & Tuning • Model Deployment: Azure ML · SageMaker · Vertex AI · Dockerized Pipelines • PostgreSQL · MongoDB · Redis · Cassandra • CI/CD & Infra: Docker · Kubernetes · Terraform · GitHub Actions · Jenkins • Cloud Monitoring: Prometheus · Grafana · CloudWatch · Azure Monitor • Search & Logging: ELK Stack · OpenTelemetry · Distributed Tracing • Event Streams: Apache Kafka · Amazon SQS · RabbitMQ • Data Security: Role-Based Access · Tokenization · Environment Isolation 💼 Projects & Business Impact Project 1 – Agentic AI Customer Support Assistant for E-Commerce: Built an autonomous AI support representative for a retail brand, capable of handling email, live chat, and voice interfaces. Using agentic workflows and intent detection, the system managed product inquiries, order issues, and dispute resolutions — reducing live agent workload by 60%, improving first-response times by 40%, and boosting customer satisfaction across multiple regions. Project 2 – Enterprise Gen AI Memory System for Internal Teams: Developed a context-aware memory system that captured historical queries, decision trails, and file-specific knowledge across teams. Leveraging LLMs, vector databases, and multi-agent orchestration, this enabled seamless assistant switching (e.g., chat → code → summarization) without context loss — improving productivity by 35% and cutting task duplication by over 50%. Project 3 – Real-Time Fraud Detection for Prepaid & COD Payments Designed a fraud detection platform for a fintech firm offering prepaid cards and COD services. Integrated transaction and behavioral data across Spark, dbt, and Snowflake. Applied LLM-assisted anomaly detection to flag high-risk transactions and fake COD attempts — reducing fraudulent orders by 33%, increasing delivery success rates by 22%, and improving merchant trust and fulfilment ROI.Neo4j
Data ScienceAI Agent DevelopmentDatabricks PlatformComputer VisionETL PipelineVector DatabaseData EngineeringSnowflakeApache SparkPythonRetrieval Augmented GenerationLLM Prompt EngineeringLangChainGenerative AI Want to browse more freelancers?
Sign up
How hiring on Upwork works
1. Post a job
Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.
2. Talent comes to you
Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.
3. Collaborate easily
Use Upwork to chat or video call, share files, and track project progress right from the app.
4. Payment simplified
Receive invoices and make payments through Upwork. Only pay for work you authorize.
How do I hire a Neo4j Developer near Kolkata, on Upwork?
You can hire a Neo4j Developer near Kolkata, on Upwork in four simple steps:
- Create a job post tailored to your Neo4j Developer project scope. We’ll walk you through the process step by step.
- Browse top Neo4j Developer talent on Upwork and invite them to your project.
- Once the proposals start flowing in, create a shortlist of top Neo4j Developer profiles and interview.
- Hire the right Neo4j Developer for your project from Upwork, the world’s largest work marketplace.
At Upwork, we believe talent staffing should be easy.
How much does it cost to hire a Neo4j Developer?
Rates charged by Neo4j Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.
Why hire a Neo4j Developer near Kolkata, on Upwork?
As the world’s work marketplace, we connect highly-skilled freelance Neo4j Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Neo4j Developer team you need to succeed.
Can I hire a Neo4j Developer near Kolkata, within 24 hours on Upwork?
Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive Neo4j Developer proposals within 24 hours of posting a job description.