Software Engineer II

Position: Software Engineer II Duties: * Design, develop, and maintain full-stack AI-driven web applications and microservices using Python, Java, and React, delivering both high-quality prototype systems and production-ready applications that meet performance and reliability standards. * Build, deploy, and optimize RESTful API backend services using FastAPI and Flask frameworks; implement and consume APIs across distributed application layers to support real-time document processing and large-scale data pipelines. * Develop and maintain frontend user interfaces using React, including researcher dashboards, administrative consoles, and data visualization components, applying user interaction best practices. * Integrate large language model (LLM) APIs and retrieval-augmented generation (RAG) pipelines including prompt engineering, cost optimization, hallucination heuristics, and output evaluation into production software systems to enable intelligent document processing, semantic search, and automated generation capabilities. * Design and implement data storage, retrieval, and management solutions using relational databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB); manage document-scale data operations and data integrity across large corporations. * Deploy, manage, and monitor containerized microservice applications on AWS cloud infrastructure using Docker, applying scalability and operational efficiency best practices across development and production environments. * Collaborate with AI researchers, product managers, designers, and cross-functional engineering teams to design and implement human-AI workflow tools and applied AI research products, owning end-to-end development of key platform components. Requirements: * This position requires a Bachelors degree or equivalent in Computer Science, Computer Engineering, Information Technology, or a closely related field and 3 years of experience in using full-stack AI software development, including AI frameworks, backend API development and frontend development using modern web frameworks. Must also have each of the following: * Demonstrated experience working with Python for backend development, data processing, and machine learning or NLP workflow implementation. * Demonstrated experience with developing backend service with Java or equivalent object-oriented programming language. * 3 years of demonstrated frontend development experience with JavaScript, of which 2 years must be in React, including component design and integration with REST APIs. * 2 years of demonstrated experience working in backend framework with FastAPI and/or Flask for building and deploying RESTful web services. * 2 years of demonstrated experience designing, implementing, and consuming RESTful APIs across distributed application architectures. * 3 years of demonstrated experience working with relational database systems (PostgreSQL and/or MySQL) and NoSQL databases (MongoDB) for structured and unstructured data management. * Demonstrated experience implementing search and information retrieval solutions using Elasticsearch. * 2 years of demonstrated experience integrating LLM APIs and RAG pipeline frameworks, including Langchain, into production AI applications. * Demonstrated experience working with NLP techniques including named entity recognition (NER), text classification, and topic modeling, using libraries such as NLTK, SpaCy, or Scikit-Learn. * 2 years of demonstrated experience working and collaborating with AI researchers to develop and deploy AI models into production systems. * Demonstrated experience containerizing and deploying applications using Docker on AWS cloud infrastructure, including AWS S3. * Employer will accept experience gained concurrently. * Salary: $137,717 to $160,000/year. * Full-time, position located in New York, NY. * Please apply online at www.dataminr.com.