Senior React Engineer

Lineate is a US-based international software development company with over two decades of experience. From Intelligent Document Processing (IDP) and Agentic RAG systems to scalable cloud architectures, we turn complex ideas into real, measurable results. We deliver AI-driven custom solutions for FinTech, HealthTech, AdTech, and beyond, empowering businesses to grow smarter, faster, and more efficiently.

About the role

This role is open to candidates who are permanently based in India.

Responsibilities

• Build and maintain modern web applications using React and JavaScript (ES6+)
• Develop clean, responsive UIs with HTML5, CSS3
• Work with React-based architectures, and optionally UI5 or Web Components
• Collaborate closely with design, product, and engineering teams to deliver high-quality features
• Help translate UX and business needs into clear, implementable technical requirements
• Write and maintain clear technical documentation and test reports
• Support end-to-end testing and quality assurance processes
• Track and help resolve production issues together with engineering teams
• Explore and apply AI tools and technologies (LLMs, MCP servers, AI-assisted workflows) to improve delivery speed and efficiency

Requirements

• 5+ years of experience in frontend development
• Strong expertise in JavaScript, React, HTML5, CSS3
• Experience delivering production-grade frontend applications
• Familiarity with UI5, Web Components, or similar frameworks is a plus
• Interest in or exposure to AI/LLM technologies is a strong advantage
• Strong analytical mindset and ability to simplify complex problems
• Independent, proactive, and comfortable owning features end-to-end
• Experience with structured testing and documentation practices

Benefits

• B2B contract with our US office

Lineate is proud to be an Equal Opportunity Employer. All employment is decided based on qualifications, merit, and business need.