We’re seeking a Senior Full Stack Developer who’s equally comfortable scaling infrastructure, architecting elegant APIs, and obsessing over clean, intuitive UIs. You’ll work on mission-critical systems in a fast-paced, product-led SaaS company that thrives in a competitive digital marketing space. The ideal candidate will have a deep understanding of frontend and backend technologies, along with hands-on experience in MongoDB, Google Cloud Platform (GCP), and Kubernetes.Key ResponsibilitesFrontend (React.js) ResponsibilitiesBuild dynamic, responsive, and reusable UI components using React.js (with Hooks, Context API, Redux, etc.).Write well-structured, maintainable, and testable code following modern JavaScript (ES6+) and TypeScript standards.Implement responsive designs using CSS3, SCSS, TailwindCSS, or Material-UI.Work closely with UI/UX designers to implement clean and user-friendly interfaces.Optimize frontend performance for fast loading and smooth interactions.Integrate RESTful and GraphQL APIs.Handle SSR (Server-Side Rendering) and client-side rendering efficiently.Backend (Node.js / Express.js) ResponsibilitiesDesign and develop scalable APIs and microservices using Node.js and Express.js.Implement middleware, authentication (OAuth2.0, JWT), authorization, and secure session management.Manage asynchronous jobs, queues, and background tasks using tools like BullMQPerform error handling, logging, and monitoring (using tools like Winston, Morgan, or Sentry).Implement caching strategies using Redis or in-memory stores.Ensure backend performance, scalability, and security best practices.Database and StorageDesign, manage, and optimize MongoDB schemas using Mongoose.Perform data modeling, aggregation, indexing, and query optimization for high-performance applications.Handle backups, migration scripts, and versioning of data layers.DevOps, Cloud & InfrastructureCompute Engine, Cloud Run, Cloud Storage, Cloud Pub/Sub, and Cloud Monitoring.Containerize applications using Docker, and orchestrate deployments using Kubernetes (GKE).Implement CI/CD pipelines using GitHub Actions, Cloud Build, or Jenkins.Ensure infrastructure reliability, scalability, and security (VPC, IAM, Firewalls).About the RoleThis is a full-stack engineering position with ownership of both frontend and backend architectureYou’ll contribute directly to building product experiences that solve real customer pain pointsYou’ll work in a fast-paced, product-led company focused on growth, speed, and measurable resultsWe expect strong technical problem-solving, a collaborative mindset, and a bias for actionYou’ll play a key role in building and scaling systems for high-performance and usabilityWhat We’re Looking For5+ years of hands-on experience in JavaScript/TypeScript, React.js, and Node.jsStrong understanding of MongoDB, Mongoose, and NoSQL data modelingExperience with Docker, Kubernetes, and GCP for cloud-native deploymentsFamiliarity with RESTful APIs, GraphQL, and real-time communication via WebSocketsAbility to design clean, intuitive user interfaces and optimize user flowsStrong debugging, problem-solving, and performance tuning skillsComfortable working in fast-moving environments with shifting prioritiesBonus: Experience with Next.js, event-driven systems, or AdTech/MarTech productsWhat’s in it for you?Competitive salary 💰 - Compensation that reflects your expertise and contributions.High-impact role 🚀 – You’ll be leading product decisions in a company that values speed, innovation, and customer obsession.Hands-on environment 🛠 – We operate lean, so your contributions will be direct and meaningful.Fast-growing industry 📈 – AdTech / MarTech is a quickly evolving space, making this an exciting space to be in.If you’re passionate about building world-class software, delivering real value to users, and thriving in a fast-paced product-led environment— we’d love to hear from you!All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic.Apply NowLet's start your dream job Apply now Meet JobCopilot: Your Personal AI Job HunterAutomatically Apply to Remote Full-Stack Programming JobsJust set your preferences and Job Copilot will do the rest-finding, filtering, and applying while you focus on what matters. Activate JobCopilot