LLM/AI Model Engineer – Training, Evaluation & Benchmarking at QubeLabs Systems Private Limited · Delhi · 3 - 5 years · ₹10L - ₹20L / yr · Posted 9 Oct 2026

LLM/AI Model Engineer – Training, Evaluation & Benchmarking
LLM/AI Model Engineer – Training, Evaluation & Benchmarking
Location: New Delhi, India (On-site)
Employment Type: Full-time
Experience: 3–5 years
Industry: Enterprise AI / Generative AI / Machine Learning / NLP
About QubeLabs
QubeLabs is building the next generation of Enterprise AI Systems that transform workforce operations and intelligence for the financial services industry.
Our platform combines Conversational AI, Agentic AI, workflow automation, proprietary language models and enterprise intelligence. Our flagship product, QubeLabs Workmate, serves banks, NBFCs, MFIs, wealth management firms, insurance companies and fintechs across India and Europe.
At the core of our AI platform is the Vectro Series, our proprietary family of language models designed for enterprise and financial-services use cases.
We are looking for an LLM/AI Model Engineer to build the training pipelines, datasets and evaluation infrastructure required to continuously improve the Vectro Series.
Role Overview
You will work closely with the Head of AI, Research Partners and engineering teams to implement and operationalize LLM training approaches and build a reliable model improvement lifecycle:
Data Preparation → Training → Evaluation → Benchmarking → Error Analysis → Model Improvement
The role combines hands-on LLM fine-tuning, dataset engineering, tokenization, evaluation framework development and model quality management.
Key Responsibilities
1. LLM Training & Fine-tuning
Build and maintain pipelines for training and fine-tuning open-source foundation models for the Vectro Series.
Implement supervised fine-tuning (SFT), parameter-efficient fine-tuning (PEFT), LoRA/QLoRA and domain adaptation techniques; support continued pre-training where required.
Manage training configurations, checkpoints, model versions and experiment tracking.
Optimize training workflows for computational efficiency, reproducibility and reliability.
Translate model development approaches defined with the Head of AI and Research Partners into practical, scalable training pipelines.
2. Training Data & Tokenization
Build data pipelines to collect, clean, filter, normalize, deduplicate and validate training data.
Develop instruction-tuning, SFT and domain-specific datasets for financial-services and enterprise use cases.
Implement tokenization workflows, tokenizer configuration, vocabulary management, sequence packing, truncation and padding.
Address data representation challenges involving financial terminology, numerical values and multilingual content.
Maintain dataset versioning, lineage and quality controls, incorporating identified data gaps and relevant model failures into future training data.
3. Golden Dataset & Model Evaluation
Build and maintain QubeLabs' Golden Dataset to evaluate key model capabilities and target use cases.
Develop automated evaluation pipelines and reusable evaluation harnesses, combining automated metrics with human assessment where appropriate.
Evaluate accuracy, reasoning, factuality, instruction following, safety, multilingual performance and financial-domain capabilities.
Establish consistent evaluation methodology and regression tests to measure changes across model versions.
4. Benchmarking & Error Analysis
Evaluate Vectro against relevant public benchmarks and proprietary QubeLabs BFSI/enterprise benchmarks.
Compare results with relevant open-source and commercial models using consistent evaluation conditions.
Analyze failures, identify root causes across data, training and model behavior, and translate findings into actionable improvements.
Maintain reproducible benchmark results and reports to track model strengths, limitations and progress.
5. Model Quality & Release
Define model release quality gates and ensure each major release meets agreed evaluation and benchmark criteria.
Support red-teaming, robustness and safety testing.
Coordinate with the Head of AI, Research Partners and engineering teams to ensure validated model improvements are suitable for integration into production systems.
Experience
3–5 years in Machine Learning, Deep Learning, NLP, Generative AI or related fields.
Hands-on experience training or fine-tuning LLMs using open-source foundation models.
Practical experience building training pipelines, preparing datasets and evaluating model performance.
Experience with GPU-based training; distributed training is an advantage.
Financial-services, multilingual AI or enterprise AI experience is preferred.
Required Skills
LLM & Machine Learning: Large Language Models, Transformer architectures, Generative AI, NLP, Deep Learning, SFT, PEFT, LoRA/QLoRA, fine-tuning and continued pre-training.
Frameworks & Infrastructure: Python, PyTorch, Hugging Face Transformers, Hugging Face Tokenizers, GPU computing, experiment tracking and ML pipelines.
Data & Tokenization: Tokenization, tokenizer configuration, text preprocessing, sequence packing, dataset construction, data quality, versioning and lineage.
Evaluation & Benchmarking: Golden datasets, LLM evaluation, evaluation harnesses, automated and human evaluation, LLM-as-a-Judge, public and domain-specific benchmarks, regression testing and error analysis.
The role requires the ability to build both the model training pipeline and the measurement system that determines whether the model has actually improved.
What Success Looks Like
Reliable and reproducible training and fine-tuning pipelines for the Vectro Series.
High-quality training datasets, tokenization workflows and a comprehensive Golden Dataset.
Automated evaluation and benchmarking infrastructure with measurable model quality gates.
Clear, reproducible evidence of model performance against public, proprietary BFSI and relevant competing-model benchmarks.
A continuous improvement loop that converts evaluation findings into measurable gains across successive Vectro releases.
Key Performance Indicators
Training pipeline reliability and experiment throughput.
Training data quality and coverage.
Golden Dataset and evaluation coverage.
Benchmark reproducibility and model performance improvement.
Accuracy of error diagnosis and effectiveness of regression detection.
Time required to complete training, evaluation and benchmarking cycles.
Compliance with model release quality criteria.
Why Join QubeLabs?
Build the proprietary Vectro Series of enterprise and financial-services language models.
Develop model training, evaluation and benchmarking infrastructure from the ground up.
Work closely with the Head of AI and Research Partners.
Solve real-world AI challenges across financial services.
Develop proprietary datasets, benchmarks and model improvement systems.
Contribute directly to production AI systems serving customers across India and Europe.
Preferred Candidate Profile
B.Tech, M.Tech, MS or PhD in Computer Science, AI, ML, Mathematics or a related field.
3–5 years of relevant experience with strong practical skills in Python, PyTorch, LLM fine-tuning and training data pipelines.
Working knowledge of tokenization, evaluation datasets, benchmarking and regression testing.
Experience with open-source models such as Llama, Qwen, Mistral or similar is preferred.
Ability to independently build reliable model training and evaluation systems from scratch.
QubeLabs is an equal opportunity employer and values diversity and inclusion. We encourage applications from qualified candidates regardless of background or identity.

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We are looking for an AI Evaluation Engineer to evaluate, test, and improve the quality, reliability, and performance of large language models (LLMs) and generative AI applications.
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- 2+ years of experience in software development, data science, machine learning, or a related technical field.
- Strong proficiency in Python and experience with data-processing libraries such as pandas and NumPy.
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Mandatory (Experience 3) – Must have experience working with Machine Learning and Deep Learning frameworks such as PyTorch, TensorFlow, Keras, Scikit-learn, or equivalent.
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Mandatory (Experience 4) – Must have hands-on experience working on NLP, embeddings, semantic search, text classification, document understanding, recommendation systems, or similar AI/ML use cases.
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Mandatory (Experience 5) – Must have experience working with Large Language Models (LLMs) such as GPT, Llama, Mistral, Claude, Gemini, Phi, or similar foundation models.
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Mandatory (Experience 6) – Must have hands-on experience building or implementing RAG (Retrieval Augmented Generation) systems, vector search, knowledge retrieval, embeddings, chunking, indexing, or semantic retrieval solutions.
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WHAT YOU’LL DO:
- Fine-tune and train SLMs using Hugging Face, TRL, and adapter methods (LoRA, QLoRA, PEFT)
- Optimize models for inference via quantization, pruning, and knowledge distillation
- Deploy models to edge devices, mobile, and local servers with strict latency targets
- Build end-to-end MLOps pipelines from data ingestion to deployment
- Monitor model accuracy, latency, and hardware utilization in production
- Evaluate model quality using benchmarking frameworks and custom evaluation suites
YOUR QUALIFICATIONS:
- SLM Development & Fine-tuning: Train and fine-tune SLMs using Hugging Face and Knowledge on Adaptors.
- Model Optimization: Apply quantization, pruning, knowledge distillation, and optimization for lightweight, efficient models.
- Edge Deployment: Deploy models to edge devices, mobile, and local servers, etc.
- Pipeline Engineering: Build end-to-end MLOps pipelines — from data ingestion to deployment.
- Performance Monitoring: Track model accuracy, latency, and CPU/GPU usage in production.
Good to have
- Deployment experience on edge or mobile environments
- Knowledge of ONNX export and cross-platform inference
- MLOps tooling — experiment tracking, model registries, CI/CD for ML
EQUAL EMPLOYMENT OPPORTUNITY
At Egnyte, we celebrate our unique differences and thrive on our diversity for our employees, our products, our customers, our investors, and our communities. Our global Egnyte Employee Communities (EECs) support representation and inclusion across our diverse workplace. Egnyters are encouraged to bring their whole selves to work and to appreciate the many differences that collectively make Egnyte a higher-performing company and a great place to be.
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Mandatory (Experience 2): Must have hands-on experience building and deploying production-grade ML/LLMs including RAG pipelines, document parsing, information extraction, and text processing on large-scale unstructured data (preprocessing, chunking, embeddings, feature engineering)
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strong expertise in Machine Learning, Deep Learning, Generative AI, LLMs, MLOps, and cloud-based AI deployments.
Key Responsibilities
• Design, develop, and deploy Machine Learning and Deep Learning models for classification, regression, recommendation systems, NLP, Computer Vision, and Generative AI applications.
• Build and maintain end-to-end ML pipelines including data preprocessing, feature engineering, model training, validation, evaluation, and deployment.
• Develop AI solutions using PyTorch, TensorFlow, Scikit-learn, Hugging Face, and related frameworks.
• Work with Large Language Models (LLMs) and foundation models such as GPT, BERT, Llama, Claude, and Stable Diffusion.
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• Bachelor’s or Master’s degree in Computer Science, Data Science, Artificial Intelligence, Mathematics, or a related field.
• 7+ years of hands-on experience in AI/ML product development.
• Strong proficiency in Python and ML frameworks including Scikit-learn, TensorFlow, PyTorch, and Hugging Face.
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• Strong understanding of the ML lifecycle including model training, tuning, deployment, monitoring, and optimization.
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• Strong problem-solving and analytical skills.
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• Fine-tuning and deployment of Large Language Models.
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• Knowledge of model interpretability, data annotation, and feature engineering.
• C++ experience for high-performance AI applications.
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Opportunity to work on innovative AI products, Generative AI solutions, robotics integrations,
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Visit the Website to know more about us.
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About the role
We are seeking an AI Engineer to build and implement AI systems for content production at scale. You'll work at the intersection of engineering and content designing prompt pipelines, integrating generative models, and building the tooling that turns source material into finished creative output. The ideal candidate is technically strong but also has taste: someone who understands story and craft, and can tell the difference between output that's technically correct and output that's actually good.
Responsibilities
- Build and iterate on prompt pipelines and multi-agent workflow components
- Design and integrate agentic workflows orchestrate multi-step, tool-using agents that plan, call models, and hand off between stages in production
- Deploy and serve open-source models set up inference endpoints, manage GPU compute, and optimize for latency and cost
- Write evals compare outputs against references, quantify quality, and feed results back into the pipeline
- Work on data pipelines: structured extraction from messy source text, localization, similarity/dedup
- Debug and maintain pipeline stages in production
What you bring:
- (1+/3+) years of engineering experience, or a strong portfolio of shipped projects
- Solid Python fundamentals clean, working, readable code
- Hands-on experience with LLM APIs and prompt engineering (personal projects count)
- Comfort with Git, REST APIs, and working in a Linux environment
- A feel for content and narrative you can judge whether generated output is actually good, not just valid
- Curiosity and clear communication you ask good questions and don't stay stuck silently
Preferred
- Exposure to agent/orchestration frameworks (LangGraph, LangChain, CrewAI)
- Familiarity with vector databases, embeddings, or RAG (Qdrant, pgvector)
- Hands-on work with open-source generative media models Flux, LTX, Wan, or similar
- Experience deploying open-source models for inference (vLLM, ComfyUI, Replicate/Cog, Docker + GPU)
- Experience writing evals or LLM-as-judge scoring
- Node.js and Fastapi familiarity, or experience deploying on AWS
About the role
We are seeking an AI Engineer to build and implement AI systems for content production at scale. You'll work at the intersection of engineering and content designing prompt pipelines, integrating generative models, and building the tooling that turns source material into finished creative output. The ideal candidate is technically strong but also has taste: someone who understands story and craft, and can tell the difference between output that's technically correct and output that's actually good.
Responsibilities
- Build and iterate on prompt pipelines and multi-agent workflow components
- Design and integrate agentic workflows orchestrate multi-step, tool-using agents that plan, call models, and hand off between stages in production
- Deploy and serve open-source models set up inference endpoints, manage GPU compute, and optimize for latency and cost
- Write evals compare outputs against references, quantify quality, and feed results back into the pipeline
- Work on data pipelines: structured extraction from messy source text, localization, similarity/dedup
- Debug and maintain pipeline stages in production
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- (1+/3+) years of engineering experience, or a strong portfolio of shipped projects
- Solid Python fundamentals clean, working, readable code
- Hands-on experience with LLM APIs and prompt engineering (personal projects count)
- Comfort with Git, REST APIs, and working in a Linux environment
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- Curiosity and clear communication you ask good questions and don't stay stuck silently
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- Exposure to agent/orchestration frameworks (LangGraph, LangChain, CrewAI)
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● The role covers taking features from initial experiments to production and owning their accuracy, latency and cost after release.
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● Build RAG pipelines covering ingestion, retrieval, reranking and answers with source references.
● Use agent workflows within retrieval to refine searches, collect supporting evidence and verify outputs.
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● Build extraction pipelines for PDFs, scanned documents, tables and forms.
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● Build image-understanding workflows for P&IDs;, including symbols, equipment, labels and connections.
● Locate and remove selected elements from diagram images while preserving surrounding content.
Quality and Reliability
● Create evaluation datasets and automated checks to measure accuracy and catch regressions.
● Debug failures across retrieval, agent decisions, tool calls and model outputs.
Product and Production
● Build backend services and REST APIs. ● Integrate AI features into the Workwise web application.
● Take features from experiment to production while managing reliability, latency and cost
Required Qualifications
● 3+ years of hands-on experience building AI systems, including at least one LLM-based application running in production.
● Strong Python and software engineering fundamentals.
● Experience with backend services, REST APIs, databases, authentication and frontend integration.
● Experience building applications using LLM APIs.
● Working knowledge of RAG, embeddings, retrieval and vector databases.
● Experience with tool calling, structured outputs and multi-step agent workflows.
● Working understanding of multimodal models and image processing for visual analysis and editing.
● Systematic evaluation skills: measuring results and investigating system failures.
● Ownership of implementation, testing, deployment and ongoing improvement.
Good to Have
● OCR, document layout analysis or complex table extraction.
● Computer vision experience, including object detection, segmentation or image inpainting.
● Familiarity with construction, procurement or tender documents.
● Cloud infrastructure and production monitoring.
● Working knowledge of Go.










