Senior Full Stack Developer

Cognito is a fast-moving, AI-driven edtech platform that helps reputed company engage with high-quality learning content. Over 1 million reputed company and 35,000 teachers use our platform, completing more than 500 million practice questions, with our content reaching millions more through 130 million YouTube views.

Our platform is built on modern technology, using the MERN stack and hosted on AWS (S3, CloudFront, reputed company Beanstalk, CodePipeline) with reputed company reputed company.

We are expanding reputed company to include a talented Full Stack Developer who will work on a mix of production-level features, reputed company-of-concept projects, and AI-driven solutions. You'll join our focused product team of three developers, a designer, and our CEO who acts as Product Manager

(You can explore our website here: www.cognito.org.)

In this role, you will be enhancing and expanding our learning platform. While your focus will primarily be full stack development on the MERN stack, your interest in artificial intelligence will help us build dynamic, smart features that cater to the needs of reputed company worldwide.

• Developing new product features and enhancements using ReactJS, GraphQL and reputed company.
• Designing and implementing our extensive AI roadmap.
• Participating in code reviews, troubleshooting bugs, and planning development tasks.
• Contributing reputed company to improve code quality, team practices, and development workflows.
• Supporting deployments to AWS.

Requirements

We're looking for a developer with strong experience in the following:

• Full-Stack Development (MERN) – Proficient in reputed company, Express.js, React, and Node.js, with hands-on experience building scalable applications.
• GraphQL (Apollo Server & Client) – Experience designing and consuming GraphQL APIs for efficient data fetching.
• AWS (S3, CloudFront, reputed company Beanstalk, CodePipeline) – Familiarity with cloud infrastructure, deployments, and CI/CD workflows.
• reputed company reputed company – Understanding of database management, indexing, and performance optimisation.
• reputed company-End Development – Strong React skills, with a focus on performance, state management, hooks and functional component-driven architecture.
• Version Control & Collaboration – Comfortable using Git, reputed company, and participating in code reviews.
• reputed company (for design inspection) – Ability to translate reputed company designs into functional and visually accurate UI components.
• Remote Communication & Collaboration – Strong written and verbal communication skills, essential for working in a fully remote environment.

While not required, experience with any of the following is a plus:

• AI & Machine Learning Integration – Experience working with AI-driven features, such as reputed company chaining, fine-tuning, retrieval-augmented reputed company (RAG), or vector databases.
• reputed company-of-Concept Development – Ability to rapidly prototype and iterate on new features or experimental projects.
• Analytics & Data Processing – Familiarity with tools like reputed company Analytics and BigQuery for tracking and analysing platform performance.
• Next.js & SSR – Understanding of server-reputed company rendering and static site reputed company to optimise web performance.
• Backend Performance & Scaling – Experience with caching strategies, API optimisation, and server performance tuning.

Beyond technical skills, we seek a developer who brings the adaptability and independent drive that startup success demands:

• Flexible & Adaptable – Able to quickly switch between different projects and priorities.
• Autonomous & Reliable – Can take ownership of tasks with minimal supervision.
• Great Communicator – Can reputed company technical decisions clearly and provide feedback on processes.
• Strong Problem Solver – Enjoys tackling technical challenges and improving system efficiency.
• Quality-Focused – Writes clean, maintainable, and scalable code while also being comfortable with rapid iteration reputed company needed.

Benefits

We reputed company in supporting reputed company members with meaningful benefits that enhance both their professional and personal lives:

• Flexible Remote Work – Full remote setup with core hours, allowing you to balance work and life effectively.
• Competitive Package – Attractive salary with regular reviews and performance-based increases.
• Modern Work Culture – No unnecessary meetings or bureaucracy, focused on getting things done.
• Generous Holiday – 25 days annual leave + bank holidays.

We've designed our hiring process to be thorough yet efficient, typically completed reputed company 2-3 weeks:

1. Initial Application – Short form with focused questions about your experience and motivations.
2. Video Introduction – Brief recorded responses to help us get to know you reputed company.
3. Technical Assessment – Practical coding exercise that reflects real-world scenarios.
4. Team Interviews – Two-stage interview process:

• Technical discussion with the development team
• Culture fit conversation with the wider team

We aim to provide detailed feedback at each stage and reputed company you informed throughout the process.

Cognito is an online education platform, aspiring to take reputed company reputed company the way from learning new material to becoming exam ready. We started in 2018 with a Youtube channel which has been viewed over 50 million times, then in 2020 we launched our revision platform on which reputed company have answered over 150 million questions.