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Ethos Logo Ethos · IT - Software Development

Senior Fullstack Engineer

India, Bangalore · Job Posted December 08, 2025
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Job Description

As a Senior Full stack engineer, you'll work across the stack and be responsible for the entire customer journey from where we store data to our server application logic, to our front end UI. You’ll work closely with our other engineers to build and ship key features. We are detail oriented and value clean, modular, and high-performing code. You'll help architect and build our internal standards and frameworks. We love engineering-wide consistency in code and have huge ambitions on both client and server side.

Job Responsibility

  • Collaborate with other engineers and designers to develop and ship features
  • Design, build, and maintain our API’s
  • Write efficient, modular, and reusable libraries and abstractions
  • Design and build internal tooling to improve development efficiency
  • Find and solve performance issues
  • Participate in code reviews
  • Communicate best practices to the team
  • Mentor junior engineers

Requirements

  • 8+ years of full time engineering experience
  • Expert in Javascript
  • Full stack engineering experience in Javascript, Python/Django, or Ruby/Rails
  • Expert in SQL, database design, and familiarity with PostgreSQL
  • Experience with front and back end architectural patterns of large, high-scale web applications
  • Ability to design clean APIs and understanding of performance issues
  • Experienced with software engineering best practices – design patterns, code reviews, unit and integration testing, etc.
  • Ability to communicate technical specifications both verbal and written
  • Command over front-end web technologies such as HTML, CSS, React
  • Solid CS fundamentals – including data structures and algorithms
  • Understanding of security, common attacks and defenses
  • Knowledge of build systems configurations and setup - such as Webpack
  • Experience with infrastructure, distributed systems, and deploying apps into a high-scale environment
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