Senior Full Stack Developer (React.js & Node.js)

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.

Frontend (React.js) Responsibilities

• Build 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) Responsibilities

• Design 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 BullMQ
• Perform 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 Storage

1. Design, manage, and optimize MongoDB schemas using Mongoose.
2. Perform data modeling, aggregation, indexing, and query optimization for high-performance applications.
3. Handle backups, migration scripts, and versioning of data layers.

DevOps, Cloud & Infrastructure

• Compute 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 Role

• This is a full-stack engineering position with ownership of both frontend and backend architecture
• You’ll contribute directly to building product experiences that solve real customer pain points
• You’ll work in a fast-paced, product-led company focused on growth, speed, and measurable results
• We expect strong technical problem-solving, a collaborative mindset, and a bias for action
• You’ll play a key role in building and scaling systems for high-performance and usability

What We’re Looking For

• 5+ years of hands-on experience in JavaScript/TypeScript, React.js, and Node.js
• Strong understanding of MongoDB, Mongoose, and NoSQL data modeling
• Experience with Docker, Kubernetes, and GCP for cloud-native deployments
• Familiarity with RESTful APIs, GraphQL, and real-time communication via WebSockets
• Ability to design clean, intuitive user interfaces and optimize user flows
• Strong debugging, problem-solving, and performance tuning skills
• Comfortable working in fast-moving environments with shifting priorities

Bonus: Experience with Next.js, event-driven systems, or AdTech/MarTech products

What’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.

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