Senior Developer

Technology, Data & Digital · Data, AI & Analytics · Machine Learning · Data Engineering · Software Engineering

In short

We are seeking a Senior Developer to design, build, deploy, and operate production-grade Large Language Model (LLM) solutions. This role requires strong Python programming skills, hands-on experience with LLM frameworks like LangChain and LlamaIndex, RAG pipelines, and cloud platforms such as Docker and Kubernetes.

Responsibilities

Design and build LLM-powered applications using proprietary and open-source models.
Implement prompt engineering, Retrieval-Augmented Generation (RAG), tool/function calling, and agent workflows.
Deploy LLM solutions into cloud and enterprise environments with scalability and reliability.
Build inference APIs, microservices, and CI/CD pipelines for AI applications.
Monitor model quality, latency, cost, drift, and hallucinations in production.
Fine-tune and enhance models using parameter-efficient techniques where required.
Optimize inference performance using caching, batching, quantization, and prompt optimization.
Ensure security, privacy, and responsible AI guardrails in all deployments.
Collaborate with product, platform, and engineering teams to deliver enterprise AI solutions.

Requirements

Strong programming skills in Python; experience with backend APIs.
Hands-on experience with LLM frameworks (LangChain, LlamaIndex, or equivalent).
Experience building RAG pipelines using vector databases.
Knowledge of Docker, Kubernetes, cloud platforms, and CI/CD pipelines.
Familiarity with LLMOps / MLOps tools and monitoring systems.
3–5 years of overall software or ML engineering experience.
1–3+ years of hands-on experience delivering LLM or Generative AI solutions in production.

Desired Qualifications

Production-grade LLM solutions running reliably at scale.
Continuous improvement in quality, cost-effectiveness, and user outcomes.
Reusable AI engineering patterns that accelerate enterprise AI adoption.

Benefits

Supercharge your potential.
Find your career.
Find your spark.
A place that knows that helping its customers stay on top starts by putting its people first.
Home to more than 223,000 people across 60 countries.
Delivering industry-leading capabilities centered around digital, engineering, cloud and AI.
Work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services.
Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.

Skills

PythonBackend APIsLangChainLlamaIndexRAGVector DatabasesDockerKubernetesCloud PlatformsCI/CDLLMOpsMLOpsMonitoring Systems

#AI Engineer#LLM#Large Language Model#Prompt Engineering#RAG#Vector Databases#Docker#Kubernetes#Cloud#CI/CD#LLMOps#MLOps#Python#Backend

About HCLTech

Supercharging progress through technology and innovation

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered around digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending September 2022 totaled $12.1 billion. To learn how we can supercharge progress for…

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