Senior Software Engineer at Devsinc — Multi-Tenant Healthcare Practice SaaS (Intiveo Direct)

Lead end-to-end planning, architecture, and implementation on a multi-tenant Ruby on Rails platform, owning ActiveRecord data models, OOP service layers, RESTful APIs, and related user-facing components. Build REST API integrations with 70+ third-party systems by normalizing partner contracts into a unified internal domain model using idempotent syncs, retry/backoff, and structured error reporting. Create high-volume Sidekiq/Redis pipelines for reminders, recall campaigns, and mass messaging with queue partitioning, exponential backoff, and idempotent workers; optimize indexes and queries so dashboards remain fast as data grows. Develop front-end features using React.js/TypeScript where appropriate and Hotwire (Turbo Streams/Frames/Stimulus) with reusable View Components elsewhere. Maintain 95%+ RSpec unit/request/integration coverage via CI/CD quality gates. Promote HIPAA/SOC2/PIPEDA-aligned secure coding, including tenant data isolation, RBAC, encrypted secrets, and audit logging. Sh

Software Engineer at Devsinc

Engineered and maintained Ruby on Rails applications, delivering back-end services for multiple client-facing SaaS products; modernized front-end with Hotwire; built reusable View Components; managed AWS infra via Cloud66; achieved 95%+ test coverage with RSpec; collaborated with product, design, and customer success to translate feedback into technical tasks; leveraged AI-assisted tooling for planning, code reviews, and documentation.

Senior Software Engineer (Contract) at CoFi — Healthcare Fintech: Billing, Payments & Financing Platform

Owned end-to-end architecture and delivery of a production Ruby on Rails payments platform handling real money at scale across subscriptions, billing, refunds, dunning, and reconciliation with multiple providers. Reduced P95 API latency by 40% through PostgreSQL schema design, indexing, EXPLAIN ANALYZE query-plan tuning, elimination of N+1 queries, and restructuring ActiveRecord hot paths; added denormalized reporting fields. Designed event-driven Sidekiq/Redis pipelines for payment/refund processing using idempotency keys, exponential-backoff retries, fallback chains, and dead-letter handling; implemented race-condition safety with PostgreSQL advisory locks and modeled a 14-state invoice lifecycle. Built RESTful APIs and webhook delivery with payload signing/verification, replay protection, retries, and structured audit logging. Modernized the Rails front end with React and Hotwire while progressively replacing legacy jQuery/Webpack code. Led Rails 6 to Rails 7 upgrades with phased, z

Senior Software Engineer at CoFi

Owned end-to-end architecture and delivery of a subscription billing and financing platform; resolved N+1 queries and optimized ActiveRecord with eager loading; modernized a Rails monolith front end using Hotwire and View Components; designed AWS production infra with Cloud66; instrumented feature adoption metrics via CloudWatch; authored comprehensive RSpec suites; mentored junior engineers and collaborated with Product/Design to drive adoption.

Software Engineer at Maple — Telehealth SaaS

Developed, tested, and maintained production Ruby on Rails features end to end for a small team; resolved customer-reported issues with direct stakeholder communication. Implemented Devise authentication and role-based access control across application layers to protect patient and clinician data. Profiled and optimized ActiveRecord queries on high-traffic routes to improve end-user responsiveness. Established branching and pull request review workflows to maintain code standards and reduce merge conflicts; worked in Agile/Kanban delivery with non-technical stakeholders to translate needs into scoped user stories.