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Full-Stack Software Engineer

Catalysts

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What software roles keep asking for: Python (29%), Java (29%), AWS (27%), System design (25%), C++ (21%), Observability (19%), CI/CD (19%), Kubernetes (19%) — counted across their open postings here.

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Questions you are likely to be asked

  1. Why do you want to join Catalysts?
  2. What is your experience with AWS? Tell me one thing you learned the hard way.
  3. What do you do when a production issue happens on your code?
  4. Walk me through a system you built. How was it designed, and what would you change now?
  5. Tell me about a hard bug you tracked down. How did you find the cause?

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Full-Stack Software Engineer – React, Node.js, TypeScript & AWS Experience:** 2–4 years Employment:** Full-time About the Role We are looking for a full-stack developer who can independently build, test and deploy secure production features while using modern AI development tools effectively. Responsibilities - Develop responsive web interfaces using React and TypeScript. - Build backend services and REST APIs using Node.js and TypeScript. - Work with AWS services such as ECS, SQS, DynamoDB, S3, RDS, KMS and CloudWatch. - Work with PostgreSQL and NoSQL databases. - Write automated tests and troubleshoot production issues. - Use AI tools for coding, debugging, testing and documentation. - Review AI-generated code for correctness, security and maintainability. - Own features from development through deployment and verification. Requirements - 2–4 years of full-stack development experience. - Strong experience with React, Node.js, TypeScript and REST APIs. - Hands-on experience deploying and supporting applications on AWS. - Good knowledge of PostgreSQL, SQL and NoSQL databases. - Strong practical experience with Codex, Claude Code, GitHub Copilot or similar AI development tools. - Ability to instruct AI tools clearly and validate their output. - Understanding of authentication, asynchronous workflows and secure API development. - Experience with Git, automated testing, Docker and CI/CD. - Ability to work independently and communicate clearly. Good to Have - Experience building multi-tenant SaaS products. - Familiarity with Redis, ClickHouse or event-driven systems. - Experience with agentic development workflows or AI automations. - Exposure to browser or mobile SDK development. To Apply Please share your résumé, notice period and compensation expectations, along with: - A brief description of a production system you developed on AWS. - An example of how you used AI tools for a meaningful development task.

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Listed on wellfound · posted 2026-10-01. ApplySarthi collects openings and links to application pages; the role is advertised by Catalysts, not by us.