Salary
≈ $50k – $105k per year (Estimated)
Location
Remote (United Kingdom)
Seniority
Senior
Employment
Full-Time
Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 12, 2026. Cognizant scores B on the Alion truth index.
Overview
Company
Impact
Profile match
Cognizant is an American information technology services and consulting company founded in 1994 as an in-house technology unit of Dun and Bradstreet in Chennai, India, and headquartered in Teaneck, New Jersey. It builds, integrates and operates software and infrastructure for large enterprises, with particularly deep positions in healthcare, financial services, insurance and life sciences, delivered by a global workforce of more than three hundred thousand people concentrated in India. Listed on Nasdaq, the company competes with the large Indian and global systems integrators and has reoriented its offerings around cloud migration, data platforms and AI-assisted engineering.
Backed by Peak XV Partners
Role: Senior Data Engineer - AI/LLM Applications
Location: Burgess Hill (3 days a week)
Employment: Fulltime
Role Overview
We are seeking a Data Engineer with experience in modern web technologies and AI/LLM integration to develop scalable applications and intelligent solutions. The role will focus on building interactive user interfaces, integrating AI capabilities and delivering AI-powered applications, including chatbots, assistants and intelligent workflows.
Key Responsibilities
- Develop responsive and scalable applications using React.js, TypeScript, HTML5, CSS3 and JavaScript.
- Build reusable UI components and implement modern frontend development patterns.
- Integrate AI/LLM technologies, including OpenAI, Azure OpenAI, Microsoft Copilot and agentic AI frameworks, into web applications.
- Design and develop AI-powered chatbots, virtual assistants, recommendation engines and intelligent workflows.
- Collaborate with backend teams to integrate AI services, APIs and business logic.
- Implement prompt engineering, AI response handling and conversational user interfaces.
- Optimise application performance, scalability, security and reliability.
- Participate in architecture discussions and contribute to AI solution design.
- Troubleshoot, debug and maintain production applications, ensuring code quality and operational stability.
Essential Skills and Experience
- Strong experience with React.js, TypeScript and JavaScript.
- Proficiency in HTML5, CSS3 and responsive web application development.
- Experience building reusable UI components and implementing modern frontend design patterns.
- Experience integrating AI/LLM solutions, such as OpenAI, Azure OpenAI, Microsoft Copilot or agentic AI frameworks.
- Understanding of chatbot development, AI assistants, recommendation engines and intelligent workflows.
- Experience with prompt engineering, LLM response handling and conversational interfaces.
- Ability to collaborate with backend teams to integrate AI services and business logic.
- Strong understanding of application performance optimisation, scalability, security and production troubleshooting.
Desirable Skills
- Experience deploying AI-enabled applications in cloud environments.
- Familiarity with agentic AI architectures and intelligent workflow automation.
- Experience contributing to application architecture and AI solution design.
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