DJ Kullas
Senior Software Development Engineer
I architect scalable solutions and build innovative applications that drive real business impact. With expertise across full-stack development, cloud infrastructure, and automation, I turn complex problems into elegant solutions.
View My WorkAbout Me
I'm a Senior Software Development Engineer at Signify Health with over 6 years of experience building scalable applications and automation systems. I specialize in architecting solutions that drive measurable business impact, from increasing appointment completion rates by 17% to reducing support call times by 37 seconds.
My expertise spans full-stack development, cloud infrastructure, and DevOps practices. I've worked across diverse industries including healthcare, fintech, and gaming, consistently delivering solutions that improve user experience and operational efficiency.
I hold a Bachelor of Science in Computer Science with a Minor in Entrepreneurship from Northeastern University, and I'm AWS Certified Solutions Architect - Associate. I'm passionate about leveraging technology to solve complex problems and create meaningful user experiences.
Education
Northeastern University
September 2015 – May 2020Bachelor of Science in Computer Science
Minor in Entrepreneurship • Boston, MA
Technical Skills
Languages
Technologies & Frameworks
Certifications
AWS Certified Solutions Architect - AssociateExperience
- •Architected Appointment Confirmations module in .NET and Postgres increasing appointment completion by 17%
- •Engineered a .NET saga using C# to notify users of canceled appointments reducing no call no shows by 7%
- •Created a dashboard with Typescript, React, C#, and Postgres reducing average support call times by 37 seconds
- •Enhanced a React Native app within a Monorepo to send SMS messages decreasing cancellations by 12%
- •Automated builds and deployments for 4 different repos using Azure DevOps pipelines, Terraform, and Kubernetes
- •Created machine learning data visualization charts with 100s of filters using React, JavaScript, and Python
- •Connected to a PostgreSQL database using Node.js to analyze and manipulate millions of data points
- •Configured an AWS Step Function to trigger a Lambda that transfers data from Snowflake to PostgreSQL
- •Architected an automated testing suite in Jenkins using Playwright and Behave reducing bugs by 6%
- •Planned and implemented parlay wagering with React Native and Firebase increasing average daily wagers by 17%
- •Programmed a chat feature using a Firestore database and Firebase functions increasing user engagement by 12%
- •Built a coins shop to increase user monetization by 18% using React Native, Node.js, and RevenueCat
- •Integrated Solito and NextJS for React Native Web compatibility increasing user base by 22%
- •Developed a system that processes 100s of daily new work orders and 1,000s of prior ones using React and NestJS
- •Implemented custom Shopify websites and improved existing customer flows increasing revenue by 9%
- •Programmed a healthcare CRM containing 1,000s of records of data using Angular, Angular Material, and NestJS
- •Optimized county deeds website to improve load speeds by 12% using ASP.NET and Visual Basic
- •Recreated a shop handling over $2,000 of daily purchases to use Authorize.Net Accept Hosted
- •Enhanced SQL queries to allow data filtering on over 1,000,000 real estate records while maintaining speed
- •Maintained, debugged, and created over 100 automated tests in Java using WinAppDriver for the FAA
- •Built and debugged 15 Openshift containers for applications across the organization
- •Devised an AWS integration to upload and retrieve 100s of files to S3 buckets automatically
- •Developed and maintained 6 different microservices using .NET and C# leveraging the Google Places API
- •Cooperated with remote and on-site team members to enforce quality code while building a new platform
- •Wrote over 200 tests for new website and microservice features and manually tested bug fixes
- •Led project to convert JavaScript frontend module from Knockout to Angular
Featured Projects
Let's Work Together
I'm always interested in new opportunities and exciting projects. Whether you have a question or just want to say hi, I'll try my best to get back to you!