AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17 industries. We rank among the leaders in areas like application development and AI/ML, and our people‑first culture has earned us multiple Best Place to Work awards. Why Join Us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! About the Role As a Senior Full Stack Engineer, you will build and scale modern web applications, delivering high-impact features across both frontend and backend layers. With a strong focus on ReactJS alongside Node.js, C# (.NET), and AWS, you’ll create performant user experiences, design reliable services, and optimize data-driven systems. This role offers end-to-end ownership, collaboration across teams, and the opportunity to shape scalable, cloud-native architectures in a fast-paced environment. What You Will Do Design, develop, and maintain modern web applications using ReactJS for the frontend; Build scalable and reliable backend services using Node.js, with occasional use of C# (.NET) and Python for scripting or auxiliary services; Design and optimize data models using PostgreSQL and AWS DynamoDB; Develop and maintain cloud-based solutions using AWS services such as SQS, Lambda, ECS, CloudFront, ALB, and EventBridge; Implement and manage infrastructure using Terraform; Build and maintain CI/CD pipelines using GitLab; Write and maintain automated tests using Jest and Playwright; Collaborate with cross-functional teams to deliver scalable and high-quality solutions; Troubleshoot, debug, and optimize performance across the full stack. Must Haves 5 years of experience building frontend applications with ReactJS ; 5 years of experience developing backend services using Node.js ; Strong experience with PostgreSQL and AWS DynamoDB ; Hands‑on experience with AWS services including SQS, Lambda, ECS, CloudFront, ALB, and EventBridge ; Experience with automated testing using Jest and Playwright ; Experience with Terraform and GitLab CI/CD pipelines ; Strong understanding of event-driven architectures and distributed systems ; Ability to work across the full stack with strong ownership and problem-solving skills; Upper-intermediate English level. Nice to Haves Experience with C# (.NET); Experience designing and optimizing event-driven systems at scale; Strong understanding of distributed systems and cloud architecture patterns; Experience improving and maintaining CI/CD and infrastructure automation practices; Working knowledge of Python for scripting or backend support. Perks and Benefits Professional growth: Mentorship, TechTalks, and personalized growth roadmaps. Competitive compensation: USD-based pay with education, fitness, and team activity budgets. Exciting projects: Modern solutions with Fortune 500 and top product companies. Flextime: Flexible schedule with remote and office options. J-18808-Ljbffr