Shiva Kumar

Backend Engineer → Software Engineer II

First Stop Health

Jul 2022 - Current (4 years 1 month)

• Designed and shipped HIPAA-compliant backend services in AWS (VPC-isolated) using Python/Django and FastAPI, standardizing API contracts and error handling to reduce production incidents across patient engagement flows. • Implemented async FastAPI endpoints and pydantic-based validation, cutting median API latency and improving server throughput during peak appointment windows. • Built Abandoned Visit Recovery workflows (email/SMS/WhatsApp) that increased booking completions by ~30% by splitting long forms into guided steps and automating nudge sequences. • Created engagement pipelines with Brave and Blueshift for PHQ/GAD surveys, scheduling reminders and improving survey completion rates and data quality for clinicians and care teams

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Senior Software Engineer

RAVE MOBILE SAFETY (Motorola Solutions)

May 2021 - Jul 2022 (1 year 3 months)

• Architected REST + GraphQL APIs with FastAPI/Python to unify audit evidence retrieval and compliance workflows, reducing cross-team integration effort and onboarding time for new consumers. • Integrated Snowflake with AWS Glue/Lambda for near-real-time ETL; optimized table design and query paths to deliver ~15% faster analytics queries at scale. • Implemented OpenSearch indexing and relevance tuning to reduce result time by ~1.9s, improving analyst productivity in high-volume evidence searches. • Built fine-grained RBAC using AWS IAM + application scopes in Django/FastAPI, enabling multi-org access segmentation and audit traceability across tenants. • Automated delivery via GitHub Actions + AWS CodePipeline/CloudFormation, shortening

Python Developer

PNC Bank

Feb 2020 - May 2021 (1 year 4 months)

• Delivered Flask/Django APIs for contact-center automation and data ingestion; documented with Swagger/OpenAPI to standardize integration for internal teams and vendors. • Built Python/Bash automation to generate reports, transform datasets, and integrate REST/JSON pipelines, reducing manual operations for analysts and supervisors. • Orchestrated Jenkins + Docker pipelines and AWS CloudFormation stacks (API Gateway + Lambda) to accelerate feature delivery and environment parity. • Modeled and tuned PostgreSQL schemas; applied indexing/EXPLAIN analysis to stabilize slow queries observed in peak cycles. • Integrated MarkLogic NoSQL for unstructured records; added CRUD endpoints and access controls to unify mixed-mode search scenarios. •

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Python Developer

COOPER TIRE & RUBBER CO.

Jul 2019 - Feb 2020 (8 months)

• Built internal Django web applications to automate manufacturing KPIs, exception reporting, and operational dashboards. • Exposed REST APIs (Node.js + MongoDB) for equipment/device telemetry ingestion and downstream analytics consumers. • Packaged and deployed services via Docker to AWS EC2, reducing configuration drift and standardizing lower envs. • Designed user/device management modules with robust validation and auditable change tracking. • Delivered web UIs with Django templates, HTML/CSS/Bootstrap/JavaScript for operations teams; improved task completion times through cleaner UX. • Introduced code reviews and Scrum rituals; mentored junior engineers and facilitated sprint planning and estimates. • Implemented log rotation an

Python Developer

Kmart

Mar 2018 - Jun 2019 (1 year 4 months)

• Developed Django/MySQL retail services for inventory, pricing, and billing with clean repository layering and service boundaries. • Implemented REST endpoints for catalog and sales data; added cursor-based pagination, filtering, and sorting for large result sets. • Built AJAX-driven dashboards to minimize page reloads and improve buyer/merchandiser workflows. • Authored complex stored procedures, views, and triggers to streamline nightly jobs and audit logs. • Deployed to AWS EC2; scripted rolling restarts and environment bootstrap steps in Bash. • Wrote pytest/unittest coverage for critical paths and added Selenium smoke tests for key UI journeys. • Supported Agile delivery (sprint demos, retros) and participated in on-call rotati

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Python Developer

Fujitsu Computer Systems

Dec 2016 - Mar 2018 (1 year 4 months)

• Built Python/Django web apps and REST APIs for enterprise clients; integrated with AWS and relational/NoSQL backends. • Delivered a modular Django CMS supporting admin-defined dynamic forms and pluggable validation rules. • Created a Python event-tracking service (Django + REST) with analytics endpoints for operations stakeholders. • Enabled SAML-based SSO and session hardening; implemented JWT where appropriate for service-to-service calls. • Stood up CI/CD with Jenkins + Ansible to standardize environment provisioning and artifact promotion. • Collaborated on AngularJS front-ends, enforcing typed contracts and consistent response envelopes. • Added CloudTrail/CloudWatch logging and alarms for API anomalies; improved runbook accur

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