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Job Title: Data Engineer Sensor Intelligence & Pipelines Location: Gurgaon, Haryana Employment Type: Full-time Work Arrangement: On-site (Gurgaon), 1 day/week remote Seniority Level: Mid-to-Senior (36+ years) DigitalPaani is a Gurgaon-based water technology company building an end-to-end platform that automates the operation of sewage and effluent treatment plants (STPs/ETPs) across residential, commercial, and industrial sites. Combining IoT sensors, real-time telemetry, and AI, the platform detects inefficiencies and recommends adjustments to chemicals, equipment, and treatment processes, automates equipment control, and manages maintenance, chemical inventory, and regulatory-compliance workflows. Today the platform operates across 95 facilities in India and treats over 90 million litres of wastewater daily, supporting leading industrial players in the country's water-neutrality efforts. About the Role:- Owns the movement, structuring, and validation of DigitalPaani's sensor and plant data: the pipelines that feed the semantic graph, the sensor-health/validation layer, and the datasets that downstream ML trains on. This person makes data trustworthy and queryable at fleet scale they are the connective tissue between raw PLC/MQTT telemetry, the Neo4j graph, ClickHouse, and the APIs that product features read from. Responsibilities:- What they'd own on the current board: IoT sensor uncertainty registry, Data Quality Score computations, cross-sensor + lab validation API/endpoints.GraphDB endpoints for managing IoT metadata, including data ingestion and integration, versioning, materialization of virtual sensors in ClickHouse, and data-quality governance.Legacy/offline data ingestion into MongoDB.ETL pipelines for supporting IoT-based ML workflows. Required Qualifications:- Strong SQL + Python for production data pipelines.Time-series / IoT data at scale irregular sampling, gaps, sensor drift, resampling, deduplication.A columnar/analytical store, ideally ClickHouse (materialized views, projections, query optimization); Postgres/BigQuery/Snowflake/Influx equivalent acceptable.Pipeline/ETL engineering building reliable, monitored ingestion (batch + streaming), with idempotency and backfill experience.API construction exposing data as clean, documented endpoints (the validation API, graph grouping endpoints).Data-quality / validation mindset has built checks, not just moved bytes: range/threshold logic, cross-source reconciliation, understanding of measurement uncertainty.Cloud data infra on AWS (EC2/S3 at minimum) and comfort in a Git/CI-based workflow. Preferred Qualifications:- Graph databases (Neo4j / Cypher) big plus.MQTT / Node-RED / edge telemetry exposure.Domain adjacency water/wastewater, process/industrial, SCADA, PLC/Modbus (holding vs input registers).Light MLOps experience MLflow, Sagemaker or similar, model versioning, feature/dataset management.Statistical fluency uncertainty quantification, error bounds enough to build the uncertainty register credibly. Technical Skills Required :- Languages: SQL, Python (production pipelines).Data stores: ClickHouse (materialized views, projections, query optimization); MongoDB; Neo4j / Cypher (plus).Pipelines / ETL: batch + streaming ingestion, idempotency, backfill, monitoring.Ingestion sources: PLC/MQTT telemetry; Node-RED / edge telemetry (plus).Cloud & tooling: AWS (EC2/S3); Git / CI-based workflow.APIs: clean, documented data endpoints (validation API, graph grouping endpoints). How to Apply: Email your CV and a short note on relevant time-series / pipeline work to the contact below. Contact: Pepe Bolorinos pepe.bolorinos@digitalpaani.com Job Title: Data Engineer Sensor Intelligence & Pipelines Location: Gurgaon, Haryana Employment Type: Full-time Work Arrangement: On-site (Gurgaon), 1 day/week remote Seniority Level: Mid-to-Senior (36+ years) DigitalPaani is a Gurgaon-based water technology company building an end-to-end platform that automates the operation of sewage and effluent treatment plants (STPs/ETPs) across residential, commercial, and industrial sites. Combining IoT sensors, real-time telemetry, and AI, the platform detects inefficiencies and recommends adjustments to chemicals, equipment, and treatment processes, automates equipment control, and manages maintenance, chemical inventory, and regulatory-compliance workflows. Today the platform operates across 95 facilities in India and treats over 90 million litres of wastewater daily, supporting leading industrial players in the country's water-neutrality efforts. About the Role:- Owns the movement, structuring, and validation of DigitalPaani's sensor and plant data: the pipelines that feed the semantic graph, the sensor-health/validation layer, and the datasets that downstream ML trains on. This person makes data trustworthy and queryable at fleet scale they are the connective tissue between raw PLC/MQTT telemetry,
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