Human / 01

NitheeshChanambatla

Data Engineer · Geospatial Data Engineering

Data
Engineering

4+ years building reliable batch, streaming, cloud, and geospatial data platforms.

Human signalNitheesh ChanambatlaData Engineer · 4+ years building reliable data platforms

Engineering signalBatch · Streaming · Cloud · GeospatialBuild · Govern · Measure

Evidence signalNASA · Customer360 · RetailSyncVerified engineering evidence

Selected evidence / NASA Earth Observation Event Intelligence

Governed geospatial processing with deterministic lineage and replay-neutral analytics.

Local
1M verified
AWS managed
5M verified
Measured
8,734.80/s
Physical verification
82 matches
AWS 10M was not executed. Inspect verified evidence
NITHEESH / SPECTRAL OBSERVATORY
Evidence continuesNASA · Customer360 · RetailSyncFollow the verified project constellation ↓
HumanEngineerEvidence

Selected engineering work

Evidence before assertion.

Three verified projects show distributed processing, dimensional modeling, data-quality controls, and honest system boundaries.

Evidence map / 02

Signals become accountable systems.

  1. 01SourceVerified inputs
  2. 02TransformDeterministic paths
  3. 03GovernIdentity + lineage
  4. 04MeasureReconciled evidence
  5. 05BoundExplicit limits
01 / Flagship Local 1M + AWS managed 5M verifiedNASA Earth Observation Event Intelligence PlatformGoverned geospatial processing · deterministic lineage · replay-neutral analytics

A governed NASA FIRMS platform that preserves source truth while testing deterministic lineage, replay-neutral analytics, recovery, geospatial serving, and bounded managed-cloud execution.

AWS managed
5,000,000 replay events
Measured
8,734.80 events/second
Verified
82 Silver/Gold SHA-256 matches
Scientific grain
10,000 detections
Local boundary
1M complete platform
Explicit limit
AWS 10M not executed
Read the case studyView repository
02 / Supporting Supporting project · Verified locallyCustomer360 Analytics WarehouseDimensional modeling · SCD Type 2 · quality quarantine

PostgreSQL dimensional warehouse loading 400,000 sales facts across five source domains, with tested SCD Type 2 dimensions, quarantine, and repeat-safe loading.

20 analytical SQL queries · 20 automated tests · hosted CI passed

View repository
03 / Supporting Supporting project · Verified locallyRetailSync Data PlatformDeterministic batch ETL · transactional serving · quarantine

Deterministic local batch ETL with a separately verified 100,000-order run, transactional SQLite snapshot replacement, and invalid-measure quarantine.

6 local tests passed · hosted CI passed on a 1,000-row fixture

View repository

Engineering identity

Systems built around data truth.

Capabilities are presented as working engineering patterns—not a keyword inventory.

  1. 01 / ExpressProgrammingLanguages that shape the system

    Python, SQL, Java, Scala, Shell, JavaScript, and HTML/CSS.

  2. 02 / MoveData platformsBatch, streaming, and orchestration

    Apache Spark, Apache Kafka, Airflow, Hadoop, HDFS, YARN, Hive, Presto, AWS Glue, Informatica, ETL/ELT, batch and streaming pipelines, and CDC.

  3. 03 / OperateAWS data platformsManaged execution and controls

    AWS EMR Serverless, S3, Glue Data Catalog, Athena, Kinesis, Data Firehose, Lambda, Redshift, IAM, KMS, CloudFormation, and CloudWatch.

  4. 04 / ModelDatabasesServing grain and analytical shape

    PostgreSQL, PostGIS, SQLite, dimensional modeling, star and snowflake schemas, SCD Type 2, partitioning, bucketing, and indexing.

  5. 05 / LocateRemote sensingGeospatial identity and provenance

    NASA FIRMS, satellite-derived active-fire observations, geospatial event processing, EPSG:4326/WGS84, spatial indexing, bounding-box queries, acquisition-time semantics, replay-neutral spatial-temporal aggregation, and lineage/provenance.

  6. 06 / AssureDeliveryReliability, recovery, and evidence

    Data validation, reconciliation, idempotency, retries, failure recovery, quarantine, CI/CD, Git, Jenkins, Docker, ELK, and root-cause analysis.

  7. 07 / PublishPortfolio engineeringAccessible, bounded web delivery

    Node.js, Vercel, Supabase, Zod, responsive design, accessibility, and Content Security Policy.

Career foundation

Enterprise delivery. Independent evidence.

Experience across financial-services and healthcare environments, supported by independently verified portfolio systems.

  1. 2023—Present

    Data Engineer · Discover (Client Engagement)

    Batch, streaming, AWS data-lake, warehouse, quality, delivery, and operational reliability work.

  2. 2021—2022

    Data Engineer · Cigna

    Distributed Spark/Hadoop processing, dimensional modeling, CDC, validation, governance, and production support.

Education: Master’s in Data Science and Artificial Intelligence · Campbellsville University · December 2024

Output

Continue with the evidence—or start a conversation.

Data Engineering · Cloud Data Engineering · Geospatial Data Engineering