
HCLTech
Sr GenAI Engineer - VectorDBand PostgreSQL
Job · Full-timeIn OfficeChennai6+ years1 opening
About this role
HCLTech is hiring for Sr GenAI Engineer - VectorDBand PostgreSQL in Chennai. This opening was published by HCLTech on their official careers board (successfactors) on 31 July 2026 and was confirmed live on 14 September 2026.
Job details
• Company: HCLTech
• Role: Sr GenAI Engineer - VectorDBand…
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Skills you'll use
PythonSQLNLPDjangoFlaskPostgreSQLMySQLSparkHadoopLLMGenerative AI
What you'll do
- Provide advanced proficiency in GenAI and prompt engineering by designing, refining, and deploying LLM-driven solutions using Python frameworks such as Flask, Django, and FastAPI.
- 2. Architect and implement RESTful APIs to integrate LLM models and vector databases (e.g., Pinecone, PostgreSQL, AzureAISearch) for scalable and efficient data retrieval in AI applications.
- 3. Optimize database schemas and embeddings using PostgreSQL and VectorDB to enhance performance and accuracy of generative AI systems.
- 4. Oversee code quality and performance by conducting comprehensive code reviews and enforcing best practices in Python, RESTful API development, and prompt engineering.
- 5. Lead technical feasibility studies and solution breakdowns, evaluating architecture alternatives and technical risks for GenAI project modules.
- 6. Collaborate with internal stakeholders to define technical objectives, deliverables, and ensure process compliance in the development and deployment of AI-powered solutions.
- Skill Requirements
- Advanced proficiency in GenAI, large language models (LLMs), and prompt engineering.
- - Solid expertise in Python programming, including frameworks such as Flask, Django, and FastAPI.
- - In-depth knowledge of RESTful API design and implementation for AI integrations.
Who can apply
- Advanced proficiency in GenAI, large language models (LLMs), and prompt engineering.
- - Solid expertise in Python programming, including frameworks such as Flask, Django, and FastAPI.
- - In-depth knowledge of RESTful API design and implementation for AI integrations.
- - Advanced skills in database management using PostgreSQL, MySQL, and VectorDB technologies (e.g., Pinecone, AzureAISearch).
- - Strong understanding of embedding techniques and their application in generative AI workflows.
- - Experience in optimizing code quality, performance, and scalability of AI-driven applications.
- Other Requirements
- The requirement is for a GenAI professional with a total experience of 6+ years (Technical Experience) and at least 5+ years of relevant experience in AI/ML technologies. The role is open across Pan India, with preferred locations including Noida, Bangalore, Hyderabad, and Chennai. Candidates should be open to physical office presence in these locations if needed.
- The role is focused on development activities. It is suitable for both individual contributors and candidates with team handling experience.
- There are no shift requirements for this position, and no customer interview will be involved in the selection process. The sell rate is not applicable.
About HCLTech
Job Summary
This role is accountable for delivering robust AI-driven solutions by leveraging large language models and prompt engineering techniques. The individual applies in-depth expertise in Python, RESTful APIs, and database technologies to design, implement, and optimize generative AI…
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