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Toptal

Senior Software Engineer (SSE) - Backend Full Stack

Toptal

Gurugram, Haryana, India
Contract
Posted 8 days ago

Job Description & Responsibilities

Job Description

Summary

We are seeking a Senior Software Engineer (SSE) - Backend Full Stack to develop customer-facing web applications and data-driven visualizations for a digital performance benchmarking team. This role is focused on Java Spring / Spring Boot development, RESTful APIs, and collaboration on responsive, high-performance web interfaces.

General information

This engagement supports a team responsible for building customer-facing web and mobile experiences and publishing data-driven visualizations on a public website. The work spans high-performance web development and collaboration across design, architecture, and engineering to improve existing systems and deliver functional, performant user interfaces.

Tasks and Deliverables

  • Develop backend services using Java Spring and Spring Boot.
  • Build and support customer-facing web applications and data-driven visualizations.
  • Create and consume RESTful APIs for full-stack web application development.
  • Translate design team deliverables and style guides into functional user interfaces.
  • Ensure responsive design, cross-browser compatibility, and strong application performance.
  • Follow coding standards and build unit tests, integration tests, and deployment scripts.
  • Collaborate with leads to define software architectures and identify system improvement opportunities.
  • Contribute to continual improvement by suggesting enhancements to user interfaces, architecture, and technologies.

Required experience

  • 5-8 years of experience developing customer-facing web applications.
  • 5+ years of experience in Java Spring or similar J2EE frameworks.
  • Proven full-stack web development experience with RESTful API creation and consumption.
  • Strong understanding of RESTful API principles.
  • Strong understanding of security best practices.
  • Strong experience with unit testing and end-to-end testing.
  • Bachelor’s or Master’s degree in Computer Science or a related engineering field.
  • Excellent communication and interpersonal skills.

Nice to have

  • Knowledge of ReactJS or similar JavaScript frameworks.
  • Front-end development experience with JavaScript libraries or micro frameworks such as React, Angular, or Backbone, plus HTML and CSS.
  • Prior experience with open-source technologies and applications.
  • Experience working in a fast-paced Agile/SCRUM environment.

Engagement highlights

  • Opportunity to contribute to customer-facing web and mobile products with visible, data-driven outputs.
  • Work that spans backend engineering, API development, and collaboration on responsive user interfaces.
  • Exposure to architecture discussions, system improvement work, and modern web development practices.

Required Skills

JavaScriptReactAngularJavaAgile

Job Details

Employment TypeContract
Work ModeOn-Site
Experience58 years
Positions1

Posted by

N/A

Posted on:

21 Aug 2026

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