Slides

Welcome, Harshini Mahesh!

Role: Software Engineer Intern @ Z-Score Health

This internship is designed to provide you with a unique blend of development skills in biotechnology, healthcare, and medical research. Given the ever-growing demand for software engineers in these fields, you will embark on a 12-Week Full-Stack Biotech Workflow Automation journey: from data ingestion and HPC-based transformations, to compliance logging and machine learning integrations.


Use the side menu or the Next/Previous buttons below to navigate the weekly breakdown of goals, tasks, and deliverables!

Week 1: Onboarding & Foundations

Goals

  • Orientation: project scope, domain context, biotech data types, compliance frameworks.
  • Environment Setup: local dev environment, HPC/cloud access, code repositories.
  • Docs & Tools: wikis, Jira, Git, communication channels.

Key Tasks

  • Project Kickoff: HIPAA, GDPR, 21 CFR Part 11 basics; biotech data standards (VCF, FASTQ, BAM, EHR schemas).
  • High-Level Architecture: Microservices approach (front-end, ingestion, HPC orchestration, ML, compliance logs).
  • Dev Setup: Install Docker, K8s CLI, Python, HPC client tools (Slurm commands).

Deliverables

  • System diagram or high-level architecture sketch
  • Local environment configured (Docker, credentials)
  • Checklist of compliance guidelines

Next Steps

Prepare to dive into the system build!

Week 2: Data Ingestion & Validation Framework

Goals

  • Build a robust ingestion service for multiple biotech file formats (FASTQ, BAM, VCF).
  • Implement validation (schema checks, metadata normalization).

Key Tasks

  • Data Ingestion Microservice: POST /ingest endpoint, store files in object storage or HPC filesystem.
  • Schema & Format Validation: Check sample IDs, read lengths, detect corrupt files.
  • Metadata Repository: PostgreSQL for file metadata; minimal UI for upload & validation statuses.

Tech Stack

  • Backend: Python (FastAPI/Flask) or Node.js in Docker
  • Data Storage: S3-compatible, PostgreSQL
  • Validation: Pydantic or custom logic

Deliverables

  • Data ingestion microservice container
  • Basic UI/CLI for uploading files
  • Validation of test data (FASTQ/VCF)

Next Steps

HPC pipeline integration in Week 3.

Week 3: HPC Integration & Workflow Orchestration

Goals

  • Connect ingestion layer to HPC pipeline for large-scale data transformations.
  • Demonstrate end-to-end data flow: upload → HPC job → results storage.

Key Tasks

  • HPC Scheduling Setup: Slurm/PBS or Kubernetes Jobs for HPC tasks.
  • Pipeline Logic: Launch indexing/alignment using reference genomes, store outputs (sorted BAM, QC metrics).
  • Orchestration & Status Tracking: Airflow/Prefect to define tasks, monitor HPC states, update metadata DB.

Tech Stack

  • Workflow Orchestration: Airflow, Prefect, or Luigi
  • HPC: Slurm or K8s HPC cluster
  • Scripting: Bash, Python

Deliverables

  • Automated HPC pipeline for sample data
  • Job-monitoring dashboard (Airflow/Prefect)

Next Steps

Advanced transformations & compliance logging in Week 3.

Week 4: Data Transformation & Compliance Logging

Goals

  • Implement variant calling, annotation, normalization; track all steps in regulatory logs.
  • Ensure data traceability and an audit trail (21 CFR Part 11).

Key Tasks

  • Advanced Data Processing: GATK or bcftools for variant calling on HPC; annotation merges with dbSNP, ClinVar.
  • Audit & Logging Microservice: Tamper-proof logs, HPC job submissions, user IDs, timestamps.
  • Compliance Event Triggers: Auto-quarantine incomplete data, generate data lineage reports.

Tech Stack

  • Processing Tools: GATK, bcftools
  • Logging: Elasticsearch + Kibana or audited PostgreSQL

Deliverables

  • Variant calling & annotation pipeline on HPC
  • Centralized audit log capturing HPC usage
  • Automated compliance “exception” workflow

Next Steps

Front-end dashboards in Week 4.

Week 5: Front-End Dashboards & Visualization

Goals

  • Create interactive dashboards for researchers/clinicians to explore processed data.
  • Monitor HPC pipelines, compliance logs, and visualize results effectively.

Key Tasks

  • Dashboard Design: HPC job queue/status, QC metrics, audit/compliance events.
  • Visual Analytics: D3.js, Plotly, or Highcharts for data charts, possibly a mini genome browser.
  • Access Control: User roles (admin, researcher, compliance) to restrict sensitive data.

Tech Stack

  • Front-End: React / Angular / Vue
  • Charting: D3.js, Plotly, or Highcharts

Deliverables

  • Functional dashboards showing HPC pipelines, data stats
  • Verified role-based UI restrictions

Next Steps

Security & encryption in Week 6.

Week 6: Security & Encryption Implementation

Goals

  • Enforce HIPAA/GDPR-grade security controls at rest and in transit.
  • Lock down data with IAM, RBAC, and intrusion detection.

Key Tasks

  • Encryption at Rest & in Transit: Server-side encryption for object storage, TLS/SSL for microservices.
  • IAM & RBAC: Integrate LDAP/AD for user management, fine-grained role-based HPC/data access.
  • Intrusion Detection & Monitoring: SIEM tools (Splunk, Datadog), alert for suspicious activity.

Tech Stack

  • Secrets Mgmt: Vault or AWS KMS
  • Monitoring: Prometheus, Grafana, Splunk
  • Reverse Proxies: Nginx, Envoy

Deliverables

  • End-to-end encrypted data flows
  • Central identity management (HPC & microservices)
  • SIEM solution integrated

Next Steps

ML pipeline integration in Week 6.

Week 7: Machine Learning & Model Serving

Goals

  • Extend HPC data transformations into ML pipelines for classification/regression models.
  • Set up model training, versioning, real-time/batch inference.

Key Tasks

  • Model Development: Use HPC outputs (variants, QC metrics) as ML features in PyTorch/TensorFlow.
  • ML Orchestration: Airflow/Kubeflow for training, hyperparam tuning, scheduled re-trains.
  • Model Serving & Deployment: Containerize inference microservice (FastAPI, Seldon Core, or MLflow).

Tech Stack

  • ML Libraries: PyTorch, TensorFlow, scikit-learn
  • Orchestration: Airflow/Kubeflow, MLflow for versioning

Deliverables

  • Working ML pipeline integrated with HPC
  • Inference endpoint (real-time/batch)

Next Steps

Regulatory validation (GxP) in Week 7.

Week 8: Regulatory Validation & GxP Alignment

Goals

  • Ensure compliance with 21 CFR Part 11, GxP, and electronic record regulations.
  • Prepare for validated lab or clinical usage if needed.

Key Tasks

  • Gap Analysis: Map existing features (audit logs, version control) to GxP and Part 11 requirements.
  • Validation Protocols: Draft IQ/OQ/PQ, outline official test scripts, acceptance criteria.
  • Electronic Signatures & Approval Flows: eSignature for final data sign-offs stored in logs.

Tech Stack

  • Documentation: GxP compliance docs, e-signature library

Deliverables

  • Formal GxP compliance plan (IQ/OQ/PQ, UAT tests)
  • E-signature mechanism for data release

Next Steps

Advanced DevOps (CI/CD) in Week 9.

Week 9: DevOps, CI/CD & Multi-Environment Deployments

Goals

  • Automate container builds, testing, and deployments across dev, QA, and production.
  • Prepare multi-region or multi-cluster usage if needed.

Key Tasks

  • CI/CD Pipeline: Jenkins/GitLab/GitHub Actions for builds/tests, container registry integration.
  • Environments & Promotion: Dev → QA → Prod pipelines, environment-specific configs.
  • Multi-Cluster / Multi-Region: HPC replication across sites, cross-region object storage sync.

Tech Stack

  • CI/CD: Jenkins, GitLab, or GitHub Actions
  • Infra as Code: Terraform, Ansible

Deliverables

  • Automated build & deploy pipelines for each microservice
  • Documented multi-region architecture approach

Next Steps

Stress & performance testing in Week 9.

Week 10: Stress Testing & Performance Optimization

Goals

  • Identify bottlenecks with large data sets and concurrency.
  • Optimize HPC usage, container resources, DB queries, etc.

Key Tasks

  • Load/Stress Testing: Locust/JMeter or custom HPC tests; focus on ingestion spikes, HPC concurrency, ML model loads.
  • Profiling & Optimization: HPC parallelization, DB indexing, caching, container CPU/memory tuning.
  • Auto-Scaling: K8s horizontal pod autoscaling, HPC cluster elasticity in cloud or on-prem.

Tech Stack

  • Load Testing: Locust, JMeter
  • Monitoring: Grafana, Prometheus, Splunk

Deliverables

  • Performance test results & optimization improvements
  • Updated HPC/microservice resource configs

Next Steps

Final UI polishing & user acceptance in Week 10.

Week 11: Advanced UI Enhancements & User Acceptance Testing

Goals

  • Refine user experience with intuitive data exploration and HPC monitoring tools.
  • Conduct UAT with domain experts (biologists, clinicians) to ensure usability.

Key Tasks

  • UI Enhancements: Advanced filtering for large variant sets, tooltips, drag-and-drop HPC pipeline triggers.
  • Collaboration & Reporting: Annotate HPC outputs, generate PDF/HTML summary reports.
  • UAT: Domain experts run typical workflows. Collect feedback on performance, correctness, ease of use.

Tech Stack

  • Front-End: React/Angular/Vue with advanced charting
  • Collaboration: Real-time or comment-based features

Deliverables

  • Polished front-end with interactive visualizations
  • Documented UAT feedback & final backlog items

Next Steps

Final compliance verification in Week 11.

Week 12: Final Compliance Audit & Pre-Production Validation

Goals

  • Ensure all HIPAA, GDPR, 21 CFR Part 11, GxP requirements are fully met.
  • Confirm system stability and security for real biotech data usage.

Key Tasks

  • Compliance Audit: Re-check HIPAA/GDPR/21 CFR Part 11 alignment; re-run IQ/OQ/PQ tests.
  • Security Penetration Testing: Internal or external pentests. Confirm encryption, no open ports.
  • Disaster Recovery Drill: Simulate HPC or data store failures, validate backups & failover procedures.

Tech Stack

  • Pen Testing Tools: custom or external services
  • Compliance Documentation & e-signoffs

Deliverables

  • Final compliance sign-off reports
  • Pen test results & remediation plan
  • Verified backup/restore plan

Next Steps

Go-live in Week 12.

Week 13: Production Launch & Post-Launch Handover

Goals

  • Roll out the platform to production or a production-like environment.
  • Conduct final knowledge transfer and define maintenance processes.

Key Tasks

  • Production Deployment: Official rollout to HPC cluster(s), domain config, SSL certs, user access for real usage.
  • Post-Launch Monitoring: Monitor logs, HPC usage, error rates. Establish escalation policies.
  • Handover & Next Steps: Transfer runbooks/SOPs, gather backlog for future improvements.

Deliverables

  • Fully live production system
  • Handover docs & maintenance schedule
  • Final presentation or “graduation” of the project

Final Words of Encouragement

By completing these 13 weeks, you've delivered a robust, enterprise-grade biotech workflow platform: HPC-based transformations, compliance logging, and advanced ML pipelines. This foundation positions you to tackle extended AI features, multi-tenant usage, or additional assay types—truly a remarkable achievement in a high-stakes, regulated industry.