Senior Full Stack Software Engineer (React, Node.js, Cloud & Infrastructure) – Remote

Senior Full Stack Software Engineer (React, Node.js, Cloud & Infrastructure) – Remote React | Node.js | TypeScript | AWS | Kubernetes | Full Stack Engineering Position Type: Full-Time, Remote Working Hours: U.S. Client Business Hours (with flexibility for sprint planning, deployments, and on-call support) About the Role At Pavago, we’re hiring on behalf of one of our clients for a Senior Full Stack Software Engineer to build, scale, and maintain modern web applications and the cloud infrastructure that powers them. This is a highly technical, hands-on engineering role focused on: Full-stack application development Cloud infrastructure System architecture CI/CD automation Performance optimization Platform reliability You’ll work across the entire technology stack—from front-end interfaces to back-end services, cloud infrastructure, and deployment pipelines—while helping shape engineering best practices and mentoring fellow developers. If you enjoy building scalable products, solving complex technical challenges, and balancing rapid delivery with engineering excellence, this role is a strong fit. What You’ll Own Full Stack Application Development Design, build, and maintain modern web applications. Develop responsive user interfaces using: React Angular Vue.js Build reusable components and scalable front-end architecture. Translate Figma and Sketch designs into production-ready applications. Optimize applications for performance, accessibility, and responsiveness. Backend Development & APIs Develop RESTful and GraphQL APIs using: Node.js Python (Django, Flask, FastAPI) Java Design secure authentication and authorization systems. Build scalable business logic and third-party integrations. Design and optimize relational and NoSQL databases including: PostgreSQL MySQL MongoDB Cloud Infrastructure & DevOps Deploy and manage applications on: AWS Google Cloud Platform (GCP) Microsoft Azure Build and maintain CI/CD pipelines using: GitHub Actions Jenkins CircleCI Manage containerized applications using: Docker Kubernetes Support cloud-native infrastructure and deployment automation. Testing & Engineering Quality Write and maintain: Unit tests Integration tests End-to-end tests Utilize testing frameworks such as: Jest Mocha PyTest Cypress Maintain high code quality through peer reviews and engineering best practices. Troubleshoot production issues and optimize application performance. Monitoring, Security & Reliability Monitor systems using: Datadog New Relic Grafana Prometheus Implement logging, alerting, and observability best practices. Apply secure coding standards aligned with OWASP guidelines. Support compliance with standards such as: GDPR SOC 2 HIPAA Improve system uptime, resiliency, and disaster recovery readiness. Technical Leadership Collaborate with Product Managers, Designers, and Engineers to deliver scalable solutions. Lead architecture discussions and technical planning. Mentor junior and mid-level engineers through reviews, pairing, and coaching. Contribute to engineering standards, documentation, and long-term technical roadmaps. Requirements Must-Have Qualifications 5+ years of professional full-stack software engineering experience. Strong proficiency with: JavaScript TypeScript React Node.js Experience building production-grade APIs and scalable applications. Hands-on experience with: PostgreSQL MySQL MongoDB Cloud deployment experience using: AWS GCP Azure Strong understanding of: Git workflows CI/CD pipelines Software architecture Excellent debugging, optimization, and troubleshooting skills. Strong written and verbal English communication skills. Nice to Have Experience leading architecture reviews and technical design sessions. Experience with Infrastructure as Code (IaC): Terraform Pulumi CloudFormation Experience building: SaaS platforms High-traffic applications Familiarity with: Kubernetes Microservices Event-driven architecture Serverless computing Experience with observability, cloud cost optimization, and distributed systems. What Makes You a Strong Fit You think end-to-end and can own features from design through deployment. You enjoy solving infrastructure and scalability challenges. You balance rapid execution with maintainable architecture. You communicate technical concepts clearly. You proactively improve engineering standards and system reliability. You enjoy mentoring engineers and strengthening engineering culture. What a Typical Day Looks Like Participate in sprint planning and engineering standups. Build new full-stack features. Review pull requests and mentor engineers. Debug production issues and optimize application performance. Collaborate with Product and Design teams. Deploy updates through CI/CD pipelines. Monitor infrastructure health and resolve issues. Contribute to architecture planning and long-term platform improvements. In short: You build scalable, secure, and reliable software while helping shape the technical direction of the engineering team. Key Metrics for Success (KPIs) Timely delivery of high-quality features Application uptime of 99.9% or higher High code quality and maintainability Automated test coverage of 80% or greater Reduced technical debt Fast resolution of production incidents Positive engineering collaboration and mentorship Why Join Us? Own end-to-end product development and infrastructure. Work on modern cloud-native technologies. Influence architecture and engineering best practices. Collaborate with experienced product and engineering teams. Fully remote role with long-term career growth. Opportunity to grow into: Staff Engineer Engineering Manager Solutions Architect Principal Engineer Interview Process Initial Phone Screen Video Interview with Pavago Recruiter Technical Assessment (Full Stack Exercise or Architecture Case Study) Client Interview(s) with Engineering Team Offer & Background Verification What Happens After You Apply Right after you apply, you’ll receive an email invitation from Spark Hire to record your Intro Video . This short, self-recorded video is the final step that completes your application and can be recorded whenever it’s convenient for you. Instead of repeating yourself across multiple screening calls, you’ll introduce yourself once, and your video will be shared with the hiring team. This helps hiring managers evaluate your communication style early, making future interviews more meaningful and reducing unnecessary interview rounds. Don’t overthink it—you can record your video as many times as you’d like before submitting it. Only your final submission will be reviewed. Please keep an eye on both your inbox and spam folder for your Spark Hire invitation after submitting your application. Apply Now If you’re a Senior Full Stack Software Engineer who enjoys building scalable applications, modern cloud infrastructure, and high-quality software while mentoring others and solving complex technical challenges, we’d love to hear from you.