Mareana - Full Stack Engineer

About the job :

Mareana is looking for a Fullstack Engineer (AI) based in Bangalore.

What You'll Do :

• Stay abreast of the latest modern trends to build an intuitive and simplistic design, in alignment with client requirements.
• Build solutions that can apply to a large audience, increasing scalability and high performance.
• Increase the appeal of the application and product through effective and engaging designs.
• Interact with other developer teams and design teams to discuss UI ideas.
• Thoroughly review application needs and interfacing elements.
• Follow proper documentation for changes in application and further updates.
• Contribute to the product roadmap by researching and integrating AI/ML initiatives, including multi-agent applications, into scalable, production-ready features.
• Collaborate on deployment and performance tracking of AI-driven features in both real-time and batch processes, systematically analyzing metrics to ensure optimal system functioning.

Backend Requirements :

• Proficient in FastAPI - routing, dependency injection, background tasks, middleware.
• Async Python - async/await, asyncio, concurrent request handling.
• Pydantic - data validation, serialisation, settings management.
• PostgreSQL - schema design, indexing, query optimisation, migrations using Alembic.
• Redis - caching, pub/sub, session storage, rate limiting.
• Experience with PySpark and big data technologies is an advantage.
• Exposure to enterprise-scale SaaS architecture using Micro-services and cloud platforms like AWS and Azure is a plus.

UI / Front-End Requirements :

• Strong proficiency in React.js and Next.js (JSX, Hooks, Context API, SSR/SSG, Virtual DOM, component lifecycle).
• TypeScript expertise with ES6+ (variables, scoping, array methods, DOM manipulation, event handlers).
• State management using Redux Toolkit / Zustand / React Query (Flux architecture understanding).
• Styling with Tailwind CSS, CSS Modules, shadcn/ui, Radix UI.
• Build tools: Vite / Webpack, Babel, Create React App.
• Performance: Lighthouse, Core Web Vitals, lazy loading, code splitting.
• Unit and E2E testing: Vitest / Jest, React Testing Library, Cypress, Playwright.
• RESTful APIs and GraphQL consumption from the frontend.
• HTML5, CSS3, responsive design fundamentals.

AI/ML and Agentic Development :

• Ability to build multi-agent applications and contribute to AI/ML-driven features as part of the product roadmap.
• Proficient in AI-assisted development tools such as Cursor, Claude, or GitHub Copilot for faster coding, debugging, and code review.
• Ability to use AI to generate applications, write tests, refactor code, and document APIs.
• Comfortable working on large-scale product development and data science-driven projects.

Other :

• Bachelor's / Master's Degree in Computer Science, Software Engineering, or a related field.
• Strong communication and presentation skills.
• 2+ years of work experience with Python, FastAPI, and React.js.