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ನವೀನ್ | Naveen D N

Architect & Technical Lead

11+ years of experience building software, leading teams, and delivering scalable solutions to production with real-world impact.

Skills


HL7 FHIR, Healthcare IT & Evidence Analysis
  • FHIR-based APIs and workflows, FHIR interoperability with EHRs (Epic, Cerner), real world data and evidence analysis, terminology search
  • Skilled: FHIR (IGs, SmartOnFHIR, SQL-on-FHIR, FHIRCast, GCP Healthcare API), OHDSI (OMOP CDM, Atlas, cohort pathways, incidence rate), UMLS, SNOMED, ICD
  • Familiar: Epic, Cerner, FDA's RWD/RWE, India's ABDM/UHI, OpenEHR, Bahmni
Data Engineering & Analytics
  • Data/ETL pipelines and analytics
  • Skilled: SQL (BigQuery, DuckDB, Parquet), Python (Polars, Pandas), Metabase
  • Familiar: Apache Beam
ML/AI
  • Predictive modeling, feature engineering, time series forecasting
  • Skilled: Scikit-learn, PyTorch, XGBoost, Polars, Optuna, Pandas, Darts
  • Familiar: JAX, Ray, RL/Stable-Baselines, TensorFlow, Pyro, HMM
System Design & Backend
  • Secure, scalable APIs, microservices, event-driven workflows
  • Skilled: Python (FastAPI, Django), Node.js, PostgreSQL, Redis, Elasticsearch, MongoDB
  • Familiar: Celery, Temporal.io, NestJS, HTMX, TailwindCSS
Cloud & DevOps
  • Scalable cloud infra, CI/CD automation, observability and monitoring
  • Skilled: GCP, kubernetes, Istio, Docker, GitHub Actions
  • Familiar: Terraform, Pulumi, Prometheus, Grafana

Experience

First Engineer & Tech Lead – Wellopathy

Jan 2018 – Present (7+ yrs), Remote | Bengaluru

  • Scalable Cloud-Native Healthcare SaaS Platform: Led architecture, development, and deployment of a multi-tenant SaaS platform integrating APIs, microservices, workflows, data pipelines, and analytics.
  • Cloud & DevSecOps: Set up Kubernetes deployments, configured Istio (routing, TLS, DNS), automated CI/CD pipelines with GitHub Actions, and provisioned GCP services.
  • Secure Identity & Access Management: Implemented OIDC authentication, API access control with Identity-Aware Proxy, and policy-based authorization using Casbin and Redis.
  • Advanced Medical Terminology Search: Built an Elasticsearch-powered search indexing SNOMED, LOINC, ICD-10, and UMLS concepts.
  • Real-Time FHIR Data Streaming: Developed pipelines from HAPI FHIR to SQL-on-FHIR via FHIR subscriptions, Cloud Functions, GCP Healthcare APIs, and BigQuery.
  • SQL-Based FHIR Views Framework: Created a Python framework to optimize ETL processes and enable advanced queries beyond standard FHIR APIs.
  • Cohort Pathway Analysis & Evidence Generation: Built FHIR-to-CDM ETL pipelines in Python and BigQuery integrating OHDSI/OMOP tools like Atlas.
  • Business Intelligence & Reporting: Developed ETL pipelines with complex joins and aggregations to deliver interactive dashboards in Metabase.

Freelance Web Developer

Jan 2017 – Dec 2017 (1 yr), Remote

  • Built and deployed full-stack web applications for Indian and German clients.
  • Enhanced Whicee.com (PHP, MySQL, jQuery) by improving features, fixing bugs, and optimizing UI.
  • Developed TruTrade Web Services (Node.js, MySQL) for an admin system managing organic farm conversion.

Senior Software Engineer – Bosch

Jan 2014 – Dec 2016 (3 yrs), India | Germany

  • Contributed to requirement analysis and development of Eclipse-based plugins for ECU development tools.
  • Worked onsite in Germany collaborating on software tooling for large-scale enterprise projects.