# Josh Kostal > Senior Software Engineer II at Alloy Location: New York, New York, United States Profile: https://flows.cv/joshkostal ## Work Experience ### Senior Software Engineer II @ Alloy Jan 2025 – Present | New York, United States - Led migration to new data replication platform - Mentored team members in API design, code patterns, and database best practices - Worked with product team to design and then independently plan a new, foundational feature that helps us enhance a core product ### Senior Software Engineer @ Alloy Jan 2024 – Jan 2025 | New York, United States - Led development of a feature that generates hundreds of millions of rows of data daily. Has effectively a 0% error rate over the last 6 months. Includes best in class monitoring and alerting using Datadog Custom Metrics. - Acted as our de facto data platform engineer by supporting our data replication system that powers multiple key products. - Led effort to identify, trial, and select a new provider for our data replication system. Spoke with multiple vendors as main point of contact. Performed POCs of each vendor. Worked with other stakeholders to gain consensus and make final selection. - Played major role in initiative to reduce excess logging. Created charts to expose high throughput and large logs, then identified and removed low value, high volume offenders. ### Software Engineer II @ Alloy Jan 2022 – Jan 2024 | New York, United States Planned and built scalable, full-stack features for our web application and external API that serves millions of requests daily. Used React, Node, PostgreSQL, Redis, Redshift, and DMS. Monitored performance and triaged issues using Datadog and OpenSearch. ### Software Engineer II @ Spreetail Jan 2022 – Jan 2022 | Atlanta, Georgia, United States Worked on the order ingestion microservices using .NET Core and gRPC. ### Technical Consultant @ Perficient Jan 2021 – Jan 2022 | Atlanta Metropolitan Area Performed responsibilities from associate role along with the following: created build and deployment pipelines for two projects, consisting of Azure pipelines and SQL database administration; mentored younger associates; was primary architect and tech lead for an internal site. ### Associate Technical Consultant @ Perficient Jan 2019 – Jan 2021 | Atlanta Metropolitan Area Primarily worked on a project for a private equity company, building a new site for their business users. Development consisted of Angular, TypeScript, .Net Core, and SQL. Also worked on an internal project independently, which used React+Redux, .Net Core, and a Gremlin graph database. ### Associate Developer @ Jeffrey S. Raikes School of Computer Science and Management Jan 2018 – Jan 2019 | Lincoln, Nebraska Worked on a team of 5 students to create an analytics dashboard for Payment Spring, a subsidiary of Nelnet. Selected analytics based on customer interviews and research. Developed using Ruby on Rails, GraphQL, and Vue.js in an Agile environment. ### Software Engineering Intern @ Garmin International Jan 2018 – Jan 2018 | Olathe, KS Member of the Area 51 team. Developed ANT communication using C to connect a new prototype product with Garmin smartwatches. Created a ConnectIQ app for use with prototype. ### Software Development Intern @ CSG Jan 2017 – Jan 2018 | Greater Omaha Area Monitoring and Metrics team member. Created, improved, and tested features on internal server-monitoring web applications. Learned new technologies, such as .NET, Angular, Typescript, and more. Experienced and observed workflow in an Agile environment. ### Teaching Assistant for CSCE 10, CSCE 156A, and CSCE 156H @ University of Nebraska–Lincoln Jan 2016 – Jan 2017 | Lincoln Assisted in weekly labs and office hours. Answered questions and provided feedback on assignments. Received various delegated responsibilities from the course instructor. ### "Httpster" @ Gallup Jan 2013 – Jan 2015 | Omaha Was a member of the inaugural "Get Hip!" program at the Omaha Gallup Campus. Learned basic development skills and practices. Created a personal website as a final project. ## Education ### Bachelor of Science - BS in Computer Science University of Nebraska-Lincoln Jan 2015 – Jan 2019 ## Contact & Social - LinkedIn: https://linkedin.com/in/joshua-kostal - GitHub: https://github.com/joshkostal --- Source: https://flows.cv/joshkostal JSON Resume: https://flows.cv/joshkostal/resume.json Last updated: 2026-03-20