Senior Backend Engineer

Job Description

We're scaling our Retrieval-Augmented Generation (RAG) solution to support a broader user base and data volume ? and we need a strong backend engineer to lead the charge, Role :- Senior Backend Engineer Experience :- 8 to 13 years. Responsibilities Refactor current solution to make it scalable and stable Prompt Engineering Libraries/Plugins: Develop libraries or plugins to improve response consistency and quality through pre-built prompts, templates, and best practices for effective prompt crafting. Performance tuning to handle large payloads, such as performance testing scripts, to deliver complete responses. Develop strategies to manage token limitations, enabling the tool to facilitate complex and informative interactions without restrictions. Extend support for a wide range of file formats, including XML, HTML, and HAR, in addition to standard Microsoft product documents (Word, PowerPoint, Excel, PDF). Leverage multi-vector retrieval techniques to enhance the tool's functionality and effectively handle large data sets. Requirements Advanced Python development skills. Design, implement, and maintain scalable and maintainable backend systems using Python. Deep experience with Azure cloud services. Proven expertise in building, refactoring, and maintaining scalable backend architectures. Strong expertise in REST APIs, Microservices Architecture, and System Design (HLD/LLD) Strong experience with GenAI/LLM frameworks and technics, like Guardrails, LangChain, etc. Nice to have Strong experience with GenAI components, like vector databases (e.g. Cosmos DB, FAISS etc) Practical experience of developing and deploying GenAI/LLMs/RAG/SLMs-based solutions. We offer Opportunity to work on bleeding-edge projects Work with a highly motivated and dedicated team Competitive salary Flexible schedule Benefits package - medical insurance, sports Corporate social events Professional development opportunities Well-equipped office About Us Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.