Ankit K

Senior Full Stack Developer

Betr • Freelance

May 2025 - Jun 2026 • 1 yr 1 mo

• Building and maintaining production web applications and backend systems for clients across multiple domains. • Designing end-to-end application architecture, including database schemas, data models, API contracts, backend services, and frontend architecture. • Developing applications using Node.js, TypeScript, React, Next.js, PostgreSQL, Supabase, MongoDB, and Redis. • Building and maintaining complex third-party integrations and API-driven workflows, including HubSpot, Tebra/Kareo, Google APIs, video/webinar platforms, and other external services. • Designing REST, GraphQL, and SOAP-based integrations, webhooks, authentication flows, and data synchronization processes. • Working extensively with Supabase Edge Functions, PostgreSQL RPCs, triggers, background jobs, and batch processing. • Reviewing, refactoring, and improving AI-generated code for production readiness, maintainability, performance, and reliability. • Handling deployment and infrastructure using Vercel and AWS.. • Working directly with clients on requirements, technical planning, architecture decisions, implementation, and delivery. • Performing code and PR reviews to maintain engineering quality across projects.

Software Development Engineer 3

Tilicho • Fulltime

Feb 2023 - May 2025 • 2 yrs 3 mos

• Designed and delivered multiple production web applications across frontend, backend, database, integrations, and deployment. • Owned end-to-end application architecture, including data modeling, database design, API contracts, backend services, frontend implementation, and deployment. • Built modern web applications using React, Next.js, Node.js, Express.js, TypeScript, PostgreSQL, MongoDB, Redis, and Supabase. • Designed and implemented REST APIs and integrations with third-party platforms and external services. • Worked on complex business workflows involving HubSpot, Google APIs, CRM systems, webhooks, video platforms, and healthcare APIs. • Designed PostgreSQL schemas, SQL queries, database functions, RPCs, triggers, synchronization workflows, and data-processing pipelines. • Built and maintained Supabase Edge Functions for backend processing, synchronization, data ingestion, and API workflows. • Worked with Tebra/Kareo SOAP APIs for patient, encounter, billing, insurance, and healthcare data workflows. • Built integrations between HubSpot and Google Sheets/Google Drive, including webhook-driven synchronization and Google Apps Script workflows. • Designed queue-based and asynchronous processing approaches for high-volume webhook and API workloads. • Built video/webinar tracking workflows involving playback events, HLS video delivery, server-side tracking, and webinar integrations. • Used AI-assisted development workflows to accelerate implementation while reviewing, refactoring, debugging, and hardening generated code for production use. • Performed code reviews and PR reviews with emphasis on architecture, maintainability, security, performance, and production reliability. • Deployed applications using Vercel and AWS and worked with Docker-based development and deployment workflows. • Worked directly with clients to understand requirements, translate business workflows into technical designs, and deliver production-ready solutions.

Software Development Engineer 2

BLDON • Fulltime

Oct 2021 - Feb 2023 • 1 yr 4 mos

Led backend API development (Node.js, Express.js, PostgreSQL, Redis) for civil- engineering business applications, including a complex expenditure and cost calculation system designed from schema through implementation.