Full Stack Engineer

About the Role

As a Software Engineer 3 — Full Stack (Frontend Focused) at Helpshift, you will build highly performant product experiences used by 820M+ monthly active users. You will primarily work on developing scalable and intuitive frontend applications while also contributing to backend services and APIs that power these experiences.

You will take ownership of product features end-to-end, collaborating closely with product, design, and platform teams to deliver reliable, scalable, and high-quality solutions.

Responsibilities

Frontend Development

• Design and develop modern web applications using ReactJS and modern JavaScript.
• Build reusable components, shared modules, and scalable frontend architecture.
• Translate UI/UX designs into high-quality, performant implementations.
• Optimize applications for performance, scalability, and responsiveness.
• Ensure cross-browser compatibility and responsive design.
• Improve frontend observability, performance metrics, and user experience.
• Work closely with product and design teams to deliver seamless user experiences.

Backend Development

• Design and implement APIs supporting frontend features.
• Contribute to backend services powering conversations and workflow systems.
• Work with databases and distributed systems at scale.
• Debug and resolve production issues across frontend and backend layers.
• Improve reliability, scalability, and performance of backend components.

Engineering Excellence

• Own features from development through deployment and monitoring.
• Write clean, maintainable code with strong test coverage.
• Write unit, integration, and regression tests.
• Review peer code and uphold engineering standards.
• Identify bottlenecks, troubleshoot issues, and drive informed technical improvements.

Requirements

Experience

• 6+ years of software development experience.
• Strong experience building medium to large-scale web applications.
• Experience working across both frontend and backend systems.

Frontend Skills (Primary)

• Strong proficiency in:
• JavaScript (ES6+)
• ReactJS
• HTML5 and CSS3
• Experience with state management patterns (Redux, Flux, or equivalent).
• Familiarity with modern build tools such as Webpack and Babel.
• Strong understanding of frontend performance optimisation techniques.
• Experience addressing cross-browser compatibility challenges.
• Experience building reusable component libraries or scalable UI architectures.

Backend Skills

• Experience designing or consuming REST APIs.
• Understanding of distributed systems and backend architecture.
• Familiarity with server-side development (JVM ecosystem preferred).
• Experience with one or more data stores such as PostgreSQL, MongoDB, Redis, or Elasticsearch.
• Comfortable working in Linux/Unix environments and using CLI tools.

Engineering Practices

• Strong computer science fundamentals including data structures and algorithm complexity.
• Proficiency with Git and distributed version control workflows.
• Experience writing unit and integration tests.
• Strong debugging and problem-solving skills.
• Excellent verbal and written communication skills.