About Persistent
We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what's next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.
Our disruptor's mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We reported $1,654.4M FY26 revenue with 17.4% Y-o-Y growth. We have delivered 24 sequential quarters of growth with $436.0M in Q4 FY26 revenue, up 3.2% Q-o-Q and 16.2% Y-o-Y growth. Our 27,500+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been recognized as the Fastest Growing IT Services Brand Globally in the 2026 Brand Finance IT Services 25 Report. We named a Leader in the Everest Group Private Equity (PE) Services PEAK Matrix® Assessment 2026 and Software Product Engineering PEAK Matrix® Assessment 2026.
About Position
We are seeking a Senior AI Engineer with strong expertise in LLMs, NLP, RAG pipelines, and emerging agent-based systems. This is a hands-on role focused on building scalable AI-driven applications, contributing to architecture, and working closely with cross-functional teams to deliver intelligent, high-performance solutions.
- Role: Senior AI Engineer
- Location: Bengaluru
- Experience: 8 to 12 years
- Job Type: Full-Time Employment
What You'll Do
- Design and implement ML and NLP models and pipelines
- Perform data preprocessing, feature engineering, and model evaluation
- Improve model accuracy, robustness, and efficiency
- Build applications using Large Language Models (LLMs)
- Develop and optimize prompts, embeddings, and inference workflows
- Support fine-tuning and evaluation of LLM-based systems
- Develop and maintain RAG pipelines integrating vector search and LLMs
- Work with embedding models and vector databases such as Elastic, OpenSearch, and FAISS
- Improve retrieval quality and response relevance
- Contribute to building agent-based workflows and orchestration logic
- Implement agent coordination and tool integrations
- Work with frameworks like LangChain and Google ADK
- Build scalable AI services and APIs
- Develop real-time and batch inference solutions
- Ensure code quality, performance optimization, and system reliability
- Collaborate with engineers, product managers, and data scientists
- Participate in design discussions and technical reviews
- Contribute to documentation and knowledge sharing
Expertise You'll Bring
- 5 to 7 years of software engineering experience
- Minimum 3 years of experience in Machine Learning and NLP
- 1.5+ years of hands-on experience with LLM-based applications
- Exposure to agent-based architectures or workflows
- Strong understanding of NLP fundamentals (tokenization, embeddings, transformers)
- Experience with ML frameworks like PyTorch or TensorFlow
- Hands-on experience with LLMs such as GPT, Llama, Gemini, or Claude
- Knowledge of prompt engineering and LLM evaluation techniques
- Experience with frameworks like LangChain or Google ADK
- Hands-on experience with RAG systems and vector databases
- Understanding of semantic search and similarity search concepts
- Strong programming skills in Python
- Experience with REST APIs and microservices architecture
- Knowledge of Docker and cloud platforms such as Azure, AWS, or GCP
- Strong analytical and problem-solving skills
- Exposure to agent workflows and tool-based reasoning systems
- Experience with MLOps tools and pipelines
- Knowledge of model monitoring and drift detection
- Familiarity with LLM evaluation frameworks
- Understanding of hybrid search or knowledge graph concepts
Benefits
- Competitive salary and benefits package
- Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
- Opportunity to work with cutting-edge technologies
- Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
- Annual health check-ups
- Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents
Values-Driven, People-Centric & Inclusive Work Environment
Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.
- We support hybrid work and flexible hours to fit diverse lifestyles.
- Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
- If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment
Let's unleash your full potential at Persistent - persistent.com/careers
Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.
GenAI,Agentic AI,ML,LLM,Langchain
