Hello, I'm Ruslan. I'm a Senior Software Engineer with 8+ years of experience building secure, scalable, and cloud-native applications. Currently, I contribute to AT&T's Cybersecurity division, focusing on cybersecurity and scalable architectures.
About me
I am a lifelong learner with a strong obsession over quality. I value delivering high-quality work and take pride in solving complex problems with precision and care.
My technical expertise spans a diverse stack, including Java, TypeScript, React, Next.js, Node.js, Python, Perl, PHP, Shell scripting, and Linux/Unix systems. I specialize in building secure, scalable, and cloud-native applications, with a focus on cybersecurity and automation.
Outside of work, I enjoyreading, watching YouTube, exercising, and helping others. These activities keep me grounded and motivated to continuously grow both personally and professionally.
My projects
CorpComment
As a full stack developer, I contributed to this startup project for 2 years. The platform enables users to provide public feedback to companies, fostering transparency and accountability.
- React
- Next.js
- MongoDB
- Tailwind
- Prisma
rmtDev
A job board tailored for remote developer jobs. As the front-end developer, I implemented features like filtering, sorting, and pagination to enhance user experience.
- React
- TypeScript
- Next.js
- Tailwind
- Redux
Word Analytics
A public web app designed for quick text analytics. It provides insights such as word count, character count, and social media post limits, making it a handy tool for content creators.
- React
- Next.js
- SQL
- Tailwind
- Framer
My skills
- Java
- Python
- PHP
- Perl
- Shell
- PL/SQL
- Docker
- Kubernetes
- Linux
- TypeScript
- JavaScript
- React
- Next.js
- Node.js
- NestJS
- HTML
- CSS
- React Native
- Expo
My experience
Full-Stack Developer | Security Team
AT&T, Middletown, NJ
Design and develop secure systems and applications with a focus on cybersecurity, automation, and SOX compliance. Utilize Perl, Shell scripting, PL/SQL, and PHP to enhance system resilience and streamline security operations.
Aug 2025 - PresentJava Software Engineer
Revature, United States
Built RESTful APIs using Java and Spring Boot, employing TDD practices to ensure high code quality. Focused on API performance optimization and robust backend development.
Jan 2025 - Jul 2025Full-Stack Developer
Freelance, Remote
Developed SaaS applications for SMBs using React, Next.js, Node.js, and PHP. Implemented containerized systems with Docker and Kubernetes to enhance scalability and reliability.
May 2022 - Jul 2025Customer Service Specialist | Web Hosting & cPanel/WHM
Namecheap, Inc., Ukraine
Provided technical support for hosting environments, authored deployment guides, and automated server tasks using Bash. Specialized in troubleshooting WordPress, Django, and server configurations.
Mar 2022 - Jun 2024Owner | Technical Lead
Self-employed, Ukraine
Operated a technology repair business, specializing in diagnostics, automation, and data integrity. Built PHP/MySQL systems to optimize workflows and managed all aspects of the business.
Oct 2016 - Mar 2022Contact me
Please contact me directly at ruslan.tsykaliak@gmail.com or through this form.