jsec.online
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Where I got paid to build stuff. Newest first; select a commit to expand it.

424a153Solace Health — Senior Backend Engineer (HEAD)2026-07 → now2026-07 → now

Coming soon.

Highlights

  • Coming soon.
TypeScript · NestJS · Postgres · GCP
cfbd9bbParkChirp — Senior Software Developer2024-08 → 2026-062024-08 → 2026-06

Developed and maintained a SaaS solution for parking management operations, up to and including:

  • Billing
  • Lease management
  • Payment collection
  • Reporting

Highlights

  • Complete refactoring of the payment collection architecture to enable support for multiple payment processors, leading to an additional $2mm per month in collected revenue.
  • Designed and implemented a Redshift data warehouse and associated AWS Glue ETL pipeline to serve data for reports, analytics, and integration with customer BI tooling.
  • Co-SME on a new integration testing pipeline, responsible for ~80% of new tests written.
  • Integrated database spans into X-Ray traces and standardized observability middleware, allowing for traceability of single requests over 2-8 microservice calls.
TypeScript · Python · Serverless Framework · Apollo GraphQL · Terraform · Next.js · AWS Redshift · Lambda · MySQL · SQS · AWS Glue · Apache Spark · WordPress
8942d63Medical Solutions — Senior Node Developer2024-01 → 2024-082024-01 → 2024-08
  • Developed and maintained a Node.js backend, hosted on Azure, to support an application allowing travel nurses to schedule pro re nata (PRN/per-diem) shifts at various healthcare facilities.
  • Mentored engineering team on Node.js best practices and standards.
  • Championed observability and set foundations for better production monitoring via OpenTelemetry and Azure Monitor.
JavaScript · React · Microsoft SQL Server · Azure · Feathers.js
236bf56Visiontree — Senior Backend Engineer2023-05 → 2023-122023-05 → 2023-12
  • Architected and developed a cloud native API for scheduling and management of patient-reported outcome surveys (PROs), including automatic notification of available forms, response collection, and serialization/deserialization of FHIR resource content.
  • Lead the API team in utilizing the AWS Cloud Development Kit (CDK) as our primary Infrastructure as Code platform.
TypeScript · React · AWS CDK · AWS Lambda · Postgres
4870f87Therigy — Senior Software Engineer2021-10 → 2023-052021-10 → 2023-05
  • Designed, implemented, and maintained cloud-nave JavaScript microservices to support integrations between the Therigy application, electronic health record systems, and medication dispensing systems.
  • Migrated legacy systems (PHP, node-red) into a Node microservice architecture, exposing legacy functionality via Express endpoints and AWS Lambdas.
  • Developed an internal custom eslint configuration based on airbnb-eslint to standardize a code style across our services.
  • Developed a custom FHIR SDK, written in JavaScript, for consuming and sending FHIR-based healthcare data between the Therigy system and 3rd party vendors.
JavaScript · React · Angular.js · Express · PHP · MySQL · Serverless Framework · Lambda · SQS · EC2
0f91891Tyler Technologies — Senior Software Engineer2019-01 → 2021-102019-01 → 2021-10
  • Developed and maintained a hybrid Angular application for maintenance of law enforcement records.
  • Planned and executed Angular framework upgrades, bringing an out-of-date Angular 5 application up to Angular 13.
  • Member of the onboarding team that brought new hires up to speed with tech stack, development process, and agile ceremonies.
  • Mentored junior developers on front-end best practices, including robust testing, composability, and responsive design.
TypeScript · Angular · Angular.js · C# · Microsoft SQL Server
05b94baQuicken Loans — Software Engineer2017-06 → 2018-122017-06 → 2018-12
  • Developed and maintained .NET APIs and services to serve as the central data repository for Quicken Loans customer information.
  • Worked with a team responsible for converting existing .NET monolithic services to a scalable, event-driven architecture on AWS.
C# · Microsoft SQL Server · DynamoDB · Lambda
5c7013cAncor Automotive — Software Developer2016-10 → 2017-062016-10 → 2017-06
  • Developed and maintained an ASP.NET web application for searching and viewing vehicle labels.
  • Guided the team on moving towards current web development trends, including responsive design,single page applications, and UX research.
ASP.NET · C# · JavaScript
eefec52eFlex Systems — Senior Software Developer2012-12 → 2016-102012-12 → 2016-10
  • Developed and maintained an Ember.js application for interfacing with programmable logic controls on an automotive plant floor.
  • Developed an image collection/management system capable of processing 20000+ images a minute.
  • Developed and maintained several Node.js services, including a Koa.js REST API and TCP connection services for interfacing between a user’s PC and the PLCs on the plant floor.
CoffeeScript · Ember.js · Koa.js · MongoDB · Redis · C++
3f9a6eeDominion Systems — Programmer2011-10 → 2012-122011-10 → 2012-12
  • Developed a proprietary payroll web-application in ASP.NET with VB.NET code-behind and a MS-SQL backend.
  • Worked in an agile-like environment using test-driven development.
ASP.NET · VB.NET · Microsoft SQL Server