Mentored and managed a junior developer, reviewing pull requests and ensuring thorough testing and best practices

Updated our stack from services run on VM's to containers in a multi-AZ Docker Swarm cluster

Extensive use of Python, Flask, FastAPI, PostgreSQL, Typescript/Javascript, Vue.js, AWS (EC2, EBS, RDS, ELB, S3, ECS, ECR, AWS Batch, IAM, VPC, Lambda, and more), Docker containers, Docker Swarm, Linux, Ansible, NGINX

Set up CI/CD pipelines with Ansible, Github Actions, and TeamCity

All code extensively tested (pytest and jest)

Adapted to challenges unique to client's needs, for example:

Dynamic generation of PDFs (ReportLab), with live preview on frontend

Dynamic generation of Excel files with custom data validation

Maintaining audit trails around sensitive database records for HIPAA compliance

Handling checkout and subscription management on backend and frontend with Stripe

Integrating with third party API's

Extensive use of Kotlin, data persistence with Realm and Room, dependency injection with Dagger and Koin, ReactiveX style asynchronous programming with RxJava/RxAndroid, HTTP API usage with Retrofit, image loading with Glide and Fresco, background processing with WorkManager, maps and location with Google Maps and Mapbox, and testing with JUnit and Mockito

Set up CI/CD pipelines publishing to the Google Play store with fastlane

Adapted to challenges unique to client's needs, for example:

Background caching of Mapbox tiles for later offline use

Performant infinite scrolling RecyclerView feeds

Custom Android library for communicating with a hardware device via MQTT

Extensive use of Java

Implemented in-app-purchases with Google Play, updated UI with new designs, debugged features, helped implement new image editing features with OpenGL

Gained experience with multithreading, JSON, Android OpenGL API

Image processing using OpenCV

Python programming on a Linux system using the Robot Operating System (ROS) and MAVProxy software