Steven User

SU

Open to opportunities

Steven User

@stevenuser5

Staff Software Engineer specializing in full-stack, AI/ML, and cloud.

What I'm looking for

I seek senior engineering roles delivering scalable AI/ML and cloud-native systems, with collaborative, remote-first teams, strong technical ownership, and opportunities to mentor and shape architecture.

I am a proactive, results-driven Staff Software Engineer with over 13 years of experience building scalable full-stack systems for financial, insurance, and healthcare industries across enterprise and startup environments. I specialize in designing microservices, cloud infrastructure on AWS and GCP, AI/ML solutions, and production DevOps workflows to deliver reliable, high-performance products.

I have led cross-functional teams to build AI-driven fraud detection, RAG-based advisory systems, real-time payment and market-data services, and large-scale ETL and streaming pipelines. My technical breadth spans backend (Go, Django, FastAPI), cloud/DevOps (EKS, OpenShift, Terraform, CI/CD), data and ML (Spark, TensorFlow/PyTorch, LangChain), and observability, enabling me to drive end-to-end delivery in remote-first organizations.

Experience

Work history, roles, and key accomplishments

CI

Current

Staff Software Engineer

Current

Feb 2020 - Present (6 years 5 months)

Designed and built scalable microservices and real-time payment/trading services using Django, FastAPI and Go, reducing international wire transfer latency by 40% and supporting 20M+ retail customers; implemented CI/CD, container orchestration and RAG/ML systems to improve fraud detection (30–40% fewer false positives) and operational accuracy.

Go Django fastAPI gRPC AWS Terraform Kubernetes Kafka

OH

Senior Software Engineer

Oscar Health

Aug 2012 - Dec 2019 (7 years 4 months)

Led migration from a Ruby monolith to Go microservices for virtual care platforms, improving performance and reliability for 24/7 telehealth services; built real-time notifications, observability and AI-powered search, and deployed systems on GCP with CI/CD pipelines.

Go Ruby PostgreSQL Kafka GCP Docker Jenkins Elasticsearch

Education

Degrees, certifications, and relevant coursework

UP

University of Pennsylvania

Master of Science, Computer Science

2010 - 2012

Completed a Master of Science in Computer Science focusing on advanced topics in machine learning and distributed systems.

UP

University of Pennsylvania

Bachelor of Science, Computer Science

2005 - 2010

Completed a Bachelor of Science in Computer Science with coursework and projects in systems, algorithms, and software engineering.

Tech stack

Software and tools used professionally

OpenAPI

Sidekiq

Splunk

Apache Spark

D3.js

Chart.js

Microsoft Azure

Google Cloud Platform

DigitalOcean

GitHub

GitLab

Bitbucket

Kubernetes

Amazon EKS

Cloudflare

Jenkins

CircleCI

GitHub Actions

React Native

NumPy

Pandas

DB

MySQL

PostgreSQL

MongoDB

MariaDB

Cassandra

Gmail

Node.js

Django

Ruby on Rails

Next.js

NestJS

.NET

Tailwind CSS

Material-UI

three.js

Databricks

Neo4j

Figma

Microsoft Teams

Puppeteer

Redis

Terraform

Pulumi

Azure DevOps

Jira

Gradle

axios

Lodash

JavaScript

ASP.NET

JSON

Blazor

TensorFlow

PyTorch

MLflow

scikit-learn

Keras

Kafka

RabbitMQ

FastAPI

MongoDB Atlas

Grafana

Prometheus

Linux

New Relic

Datadog

Heroku

Apollo

Trello

ClickUp

Basecamp

GraphQL

JSON API

OData

Firebase

Socket.IO

gRPC

Elasticsearch

Ansible

AWS Lambda

Serverless

Amazon Aurora

Zustand

Vercel

Netlify

monday.com

JUnit

WebRTC

NGINX

Apache HTTP Server

Zapier

IFTTT

Airflow

MobX

SQL

IBM Cloud

Workato

NgRx

SciPy

Integromat

LangChain

LlamaIndex

Pinecone

Harness

Enhance

Availability

Open to opportunities

Location

United States

Authorized to work in

Job categories

Staff Software Engineer Staff Software Engineer Backend Software Engineer Backend Engineer DevOps Engineer Machine Learning Engineer Data Engineer Cloud Engineer AI ML Engineer Architect Staff Software Developer Staff Fullstack Software Engineer Staff Engineer

Skills

NodeJS ThreeJS Python Ruby JavaScript TypeScript C C++SQL Django fastAPI Ruby on Rails Next.js GraphQL REST gRPC Go LLM NLP RAG LlamaIndex OpenAI PyTorch TensorFlow Pandas scikit learn NumPy Keras Vertex AI Databricks MLFlow AWS GCP Terraform Pulumi Helm Docker Kubernetes OpenShift Jenkins GitHub Actions React Angular Redux NgRX Tailwind UI PostgreSQL MySQL MongoDB Redis DynamoDB Elasticsearch RabbitMQ Apache Spark Neo4j Grafana BigQuery Prometheus Snowflake Airflow S3 OAuth JWT Tailwind Test Driven Development CI CD Microservice Architecture Event Driven Architecture Agile .NET ASP.NET AWS Lambda Amazon Aurora Amazon EKS Ansible Apache HTTP Server Apollo Azure DevOps Basecamp Bitbucket Blazor Cassandra Chart.Js CircleCi ClickUp Cloudflare D3.Js Datadog DigitalOcean Figma Firebase GitHub Gitlab Google Cloud Platform Gradle Azure Harness Heroku IBM Cloud IFTTT Integromat JSON JSON API Junit Jira Kafka Linux Lodash MariaDB Material UI Microsoft Teams MobX MongoDB Atlas Nginx NestJS Netlify New Relic OData OpenAPI Pinecone Puppeteer React Native Scipy Serverless Sidekiq Socket.IO Splunk Trello Vercel WebRTC Workato Zapier Zustand Axios Monday.Com Gorm

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