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 looking for a Senior AI Engineer to design and develop scalable AI-driven applications using LLMs, RAG pipelines, and agent-based systems while contributing to architecture and innovation.
- Role: Senior AI Engineer
- Location: Bengaluru
- Experience: 5 to 8 years
- Job Type: Full-Time Employment
What You'll Do
- Design and implement ML/NLP models and end-to-end pipelines.
- Perform data preprocessing, feature engineering, and model evaluation.
- Improve model accuracy, robustness, and performance.
- 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 with LLMs.
- Work with embedding models and vector databases like Elastic, OpenSearch, and FAISS.
- Improve retrieval quality and response relevance in RAG systems.
- Contribute to agent-based workflows and orchestration logic.
- Implement agent coordination and integrate tools into agent systems.
- Work with frameworks such as LangChain agents and Google ADK.
- Build reusable and 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, code reviews, and documentation.
Expertise You'll Bring
- 5–7 years of software engineering experience with 3+ years in ML/NLP.
- Hands-on experience in LLM-based application development.
- Strong understanding of NLP concepts like tokenization, embeddings, and transformers.
- Experience with ML frameworks such as PyTorch or TensorFlow.
- Practical knowledge of GPT, Llama, Gemini, Claude or similar models.
- Expertise in prompt engineering and LLM evaluation techniques.
- Experience with RAG systems, vector databases, and semantic search.
- Exposure to agent-based systems and orchestration frameworks.
- Strong programming skills in Python.
- Experience in REST APIs, microservices, and containerization (Docker).
- Familiarity with cloud platforms like Azure, AWS, or GCP.
- Understanding of system scalability, performance tuning, and reliability.
- Knowledge of MLOps, model monitoring, and drift detection is a plus.
- Exposure to hybrid search, knowledge graphs, and advanced AI frameworks is an advantage.
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
