# Kevin Janssen

> Software Engineer | API Architect | System Designer | Team Leader

Location: Brooklyn, New York, United States
Profile: https://flows.cv/kevinjanssen

I’m an experienced software engineer open to back end positions. Seeking opportunities to leverage expertise in system design, DevX, and cloud services for innovative projects. I am passionate about mentoring and collaborating with cross-functional teams to drive project success.

## Work Experience
### Senior Software Engineer @ Drata
Jan 2023 – Present

### Software Engineer L3 @ VidMob
Jan 2021 – Jan 2023
🚀 Implemented user interface, services and datastore using ReactJS, AWS Lambda, and OpenSearch for data analysis tool that reduced time to complete analyses by 25%

🔧 Assisted in creating ETLs using Databricks to build purpose-driven datasets for DynamoDB that reduced API response times by 15%

🤖 Utilized ChatGPT to create automated frontend unit, integration, and E2E tests with Jest and Playwright that helped reduce support tickets by 5%

🌐 Developed web application API and database layers using TypeScript, NodeJS, NestJS, TypeORM, MySQL, and Snowflake 

☁️ Built and deployed scalable micro-services using AWS Lambda, Serverless, and Terraform 

👨‍🏫 Mentored frontend engineers on how to build fault-tolerant and modular code for APIs

### Software Engineer @ CSX Technology
Jan 2021 – Jan 2021
🚀 Lead Agile team of 4 developers to build enhancements for a web application facilitating communication between external railroads and customers

🔧 Designed and implemented APIs, data models, and user interfaces using Spring Boot, PL/SQL, and Angular to facilitate price negotiations that previously weren’t captured

📈 Implemented feature-flagging framework using MongoDB to handle 3 teams in shared repositories, increasing the efficiency of each team by 10%

🤝 Worked closely with business partners to define and translate business requirements into technical specifications

🛠️Performed production support and maintenance for business-critical applications

👨‍💻 Coordinated regular production releases across multiple applications

### Software Developer @ CSX Technology
Jan 2018 – Jan 2020
💼 Worked within a Scrum team to rewrite the primary Sales and Marketing application of the company that helps drive $11B in revenue

🎨 Designed and implemented user interfaces using the Angular JavaScript framework

🌐 Built HTTP-based, RESTful APIs to process business logic with Java

🏗️ Developed stored procedures using PL/SQL to serve data to back-end services

✅ Wrote unit tests with JUnit and Mockito that improved code coverage by 15%

### Student Intern @ CSX Transportation Intermodal
Jan 2017 – Jan 2017
Responsible for maintaining critical business applications
Created automated reporting tool for previously manual system saving 50,000  man-hours spent collating information
Updated user interface and resolved connectivity issues for data management tool that helps company recoup $250,000 in costs


## Education
### Bachelor of Science - BS in Computer Science
University of North Florida
Jan 2013 – Jan 2017


## Contact & Social
- LinkedIn: https://linkedin.com/in/kevin-janssen-0b0649168

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Source: https://flows.cv/kevinjanssen
JSON Resume: https://flows.cv/kevinjanssen/resume.json
Last updated: 2026-03-20