Senior Software Development Engineer   About Us: Foxit is remaking the way the world interacts with documents through advanced PDF technology and tools. We are a leading global software provider of fast, affordable, and secure PDF solutions that are used by millions of people worldwide. Winner of numerous awards, Foxit has customers in more than 200 countries and global operations. We have a complete product line and an exciting and aggressive development schedule. Our proven PDF technology is disrupting the status quo establishment and has accelerated our company growth. We are proud to list as customers Google and Amazon, and with your skills and help, we plan to add many more. Foxit has offices all over the world, including locations in the US, Asia, Europe, and Australia.   For more information, visit us @ www.foxit.com   About the role: Foxit is hiring a Software Engineer (Mid–Senior) to help build and scale AI-driven document systems. You’ll work on production services that ingest, manage, retrieve, and reason over large document collections—with a strong emphasis on PDFs and LLM-powered retrieval + analysis (RAG).   This is a hands-on engineering role for someone who enjoys owning critical components end-to-end: from document pipelines and APIs to evaluation, latency, and cost.   * Location: Dublin, Ireland * Work Mode: Preferred Hybrid (2 Days from Office)   What you’ll do * Design, build, and operate production-grade Python services powering document and AI workflows * Own document ingestion and management pipelines, including reliability and scalability * Implement RAG / semantic search systems that combine LLMs with document retrieval * Develop and refine prompting and context management strategies for real-world usage * Build and maintain embedding pipelines and vector database integrations * Implement and optimise PDF processing (structure, metadata, extraction, layout considerations) * Design and maintain APIs for document services and AI capabilities * Deploy and run services using cloud infrastructure and containers * Establish monitoring + evaluation for LLM quality, latency, and cost * Mentor junior engineers and help raise engineering standards and best practices * Collaborate within an experienced team and take direction from team leads and peers   What you’ll bring (required) * Bachelor’s degree in Computer Science / Software Engineering (or related) * 4–7+ years professional software engineering experience * Advanced Python skills (production backend/services) * Strong experience with LLMs, including prompt engineering and context management * Proven experience designing RAG and semantic search systems * Hands-on experience with embeddings and vector databases * Strong understanding of document management systems * Solid knowledge of PDF internals, extraction, and layout-related processing * Experience building and operating production systems (reliability, observability, performance) * Nice to have (bonus) * Experience with vLLM, Ollama, or similar inference/runtime tooling * OCR and layout tooling (e.g., Textract, Tesseract) * Cloud experience (AWS, Azure, or GCP) * Docker / Kubernetes (containerisation and orchestration) * Experience with security, access control, and GDPR-aligned system design   Why Foxit * Work on AI + document systems at scale, where PDFs and enterprise workflows are core * Own meaningful parts of the platform end-to-end (build → ship → operate) * Flexible remote/hybrid options in Ireland, with collaboration in the Dublin area