Jobs at Xperteez Technology

Develop and optimize exact diagonalization implementations using translation and reflection symmetries (QuSpin preferred) for L ≥ 26; construct and manipulate block-diagonalized subspaces; evaluate overlaps with Z2 states and interpret results; analyze quantum many-body scars and Rydberg blockade dynamics; produce detailed analytic reports and serve as Solver/Auditor/Adjudicator on research benchmarks.

Contract Math Expert to produce high-quality answers and "golden responses" for undergraduate and graduate mathematics prompts. Responsibilities include analysing complex problems, writing clear structured explanations, reviewing and refining model answers, collaborating with remote experts, and meeting format, quality, and timeliness requirements. Flexible 15–40 hour weekly commitment for a 3–6 month contract.

Contract Senior Software Engineer to develop and maintain systems for training AI, build reinforcement learning environments using MCP tools, fix bugs, implement features, refactor code, and design reproducible, deterministic evaluation environments and golden reference solutions measuring MCP tool use and software engineering ability.

Provide comprehensive legal analysis and research, draft and review legal documents (memoranda, opinions, contracts), perform content quality assurance, and collaborate remotely with multidisciplinary teams to ensure accuracy and legal best practices.

Contribute expert-level code samples, implement and optimize features, debug complex defects, refactor legacy code, document technical decisions for AI training, and review peer submissions across Python3, Java, Rust, Go, C++, and TypeScript codebases in a part-time remote contract role.

Design, implement, and optimize GPU-based software for training LLMs. Profile and fine-tune GPU kernels and shaders, develop host-side integrations in C++, and deliver output-based tasks meeting performance specs.

Review large volumes of structured and unstructured data to ensure accuracy, classify and redact PII, follow strict taxonomies, perform QA/validation, maintain records, and communicate findings to support AI training.

Contract remote role for US-based attorneys with mandatory Vault Law 100 firm experience. Perform legal research, analysis, drafting, document review, quality assurance, and collaborative remote work to produce high-quality legal content and feedback across varied U.S. law topics.