B2B SaaS leveraging machine learning to estimate manufacturing parameters based on 3D models.• Developed the company's first third-party integration (Intuit QuickBooks), implementing anOAuth 2.0 Authorization Code flow that enabled users to sync data across applications.• Invested in other engineers through technical presentations, reviewing pull requests, pair programming, and writing detailed documentation. Selected Examples: - Provided trainings on unit, integration, and end-to-end testing, leading to an 18% increase intest coverage with a focus on business-critical acceptance criteria. - Facilitated discussions on API, database, secrets management, and infrastructure patterns resulting in significant improvements to architecture, security, and performance. - Advised other engineers on production build, configuration, and deployment challenges which contributed to the resolution of several incidents.• Led the design and implementation of a new GraphQL server and Postgres database.• Developed multi-environment Terraform configurations managing S3 buckets, DynamoDB tables, Lambdas, IAM resources, ECR repos, RDS nodes, ECS clusters, VPCs, and load balancers.• Identified performance optimizations for API calls and database queries.• Introduced CI practices and tooling leading to fewer conflicts and near-constant deployability.• Created a web service with a declarative API enabling system tests to configure backend state.

Open source framework for automating contract tests in CI/CD (https://signet-framework.dev).• Led the development of an HTTP proxy written in Go which enabled the transparent recording and verification of API calls between microservices during system tests.• Designed a CLI for developers to provision AWS infrastructure and record service deployments.• Developed CloudFormation templates for EC2, ECS, ELB, and IAM resources.• Built an Express.js REST API and webhook service to support a web UI and CI/CD integration.• Managed releases and scripted per-platform installation with Docker, NPM, and GoReleaser.• Implemented per-test SQL transactions which eliminated flakiness in 100% of integration tests.• Authored the documentation (https://signet-framework.dev/docs ) and a white paper(https://signet-framework.dev/case-study ) analyzing the problem domain.

• Request Binder - real-time service for consuming and inspecting webhooks. (Stack: TypeScript,React, Node.js, Express.js, MongoDB, Server-Sent Events, Nginx, Digital Ocean VPS)• Plentish - recipe and list aggregator. (Stack: Ruby, Sinatra, vanilla JS, PostgreSQL, HTML, CSS)• Color Tracker - inventory software for hair salons. (Stack: Ruby, Sinatra, PostgreSQL, HTML, CSS)• MyConnections - contact manager. (Stack: TypeScript, Node.js, React, MongoDB, Docker)