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AppSierra Linkedin · Posted 1mo ago

Full Stack Web Developer

Indiana, United States

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Indexed description

Key Responsibilities

  • Design, develop, and maintain full-stack web applications using React (frontend) and NestJS/TypeScript (backend).
  • Architect and optimize APIs, microservices, and event-driven systems leveraging Kafka.
  • Work with PostgreSQL and MongoDB to model, store, and query structured and unstructured data.
  • Ensure system reliability, performance, and security across AWS cloud environments (EC2, S3, RDS, Lambda, etc.).
  • Collaborate with Product, Design, and Data teams to deliver user-friendly, high-impact applications.
  • Implement CI/CD pipelines, automated testing, and code reviews to ensure best engineering practices.
  • Contribute to system design and architecture decisions for scalability and maintainability.
  • Mentor junior developers, providing technical guidance and fostering a culture of excellence.
  • Troubleshoot, optimize, and improve existing systems to meet evolving business needs.

Qualifications

Core Skills

  • 6+ years of professional software development experience, with at least 3+ years in full stack roles.
  • Strong expertise in TypeScript and JavaScript for both frontend and backend development.
  • Proficient in NestJS (Node.js framework) for building scalable backend APIs.
  • Advanced experience with React for building modern, responsive web interfaces.
  • Hands-on with PostgreSQL (relational DB) and MongoDB (NoSQL).
  • Experience with Kafka for real-time messaging, streaming, and event-driven architecture.
  • Solid knowledge of AWS cloud services (EC2, RDS, S3, Lambda, IAM, etc.).

Nice-to-Have

  • Familiarity with containerization and orchestration (Docker, Kubernetes, ECS/EKS).
  • Experience with CI/CD pipelines (GitHub Actions, GitLab CI, or similar).
  • Knowledge of system security best practices (JWT, OAuth2, RBAC).
  • Exposure to financial systems, blockchain, or cryptocurrency technologies.

Our Stack

  • Frontend: React, TypeScript, TailwindCSS
  • Backend: NestJS (Node.js, TypeScript), REST & GraphQL APIs
  • Databases: PostgreSQL, MongoDB, Redis
  • Messaging & Streaming: Kafka
  • Cloud: AWS (EC2, RDS, S3, Lambda, CloudFront, IAM)
  • CI/CD & DevOps: GitHub Actions, Docker, Kubernetes
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