ANDRII LATSANOVSKYI
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Senior Full-Stack Software Engineer, AI Platform & Code Evaluation
Ukraine
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Résumé
Jobs
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Full-Stack EngineerIndependent ContractorSep 2025 - Current (1 year)Review coding tasks and AI-generated software engineering responses for correctness, completeness, and real-world code quality. Focus on full-stack development tasks involving frontend behavior, backend logic, database queries, API design, debugging, and test coverage. Reviewed AI-generated solutions in JavaScript, TypeScript, React, Node.js, Python, SQL, and API-based applications. Checked model responses against task instructions, expected behavior, edge cases, and likely production issues. Compared multiple responses and ranked them based on accuracy, clarity, maintainability, and usefulness. Wrote practical feedback explaining bugs, missing requirements, weak reasoning, and better implementation choices. Evaluated code for common issues- Senior Full-Stack Engineer, AI PlatformCohereApr 2023 - Aug 2025 (2 years 5 months)Worked on full-stack platform features supporting internal AI workflows, developer tools, API integrations, and production platform operations. Built user-facing and internal tools with a focus on reliability, maintainability, and clean integration between frontend, backend, and data layers. - Built React and TypeScript interfaces for platform workflows, configuration screens, and internal dashboards. - Developed backend API services using Python, FastAPI, Node.js, REST APIs, and GraphQL. - Worked with PostgreSQL and MongoDB for application data, query updates, and platform feature support. - Improved reliability through debugging, code review, integration testing, and refactoring. - Supported CI/CD workflows, Docker-based development,
- Senior Software Engineer, Inference & Hub PlatformMeta FacebookApr 2021 - Feb 2022 (11 months)Worked on platform engineering tasks for internal tools, backend services, API workflows, and data-driven systems. Focused on reliability, service integration, debugging, and improving engineering workflows for production platform features. - Contributed to backend services and internal platform tools supporting inference and hub-related workflows. - Reviewed API design, service behavior, database access patterns, and integration logic. - Debugged production issues and improved reliability through focused code changes and testing. - Worked with engineering teams on code reviews, technical design discussions, and implementation details. - Improved maintainability through refactoring, clearer service boundaries, and better test coverage.
- Senior Software Engineer, AI / AgentsAutomation AnywhereMar 2018 - Apr 2019 (1 year 2 months)Worked on full-stack and backend features for automation-related systems, including agent workflows, service APIs, database-driven features, and internal tools. Focused on making automation workflows easier to build, test, monitor, and maintain. - Built and maintained application features using React, JavaScript, Node.js, Express.js, Python, and Django. - Developed REST API integrations for automation workflows, internal tools, and enterprise application features. - Worked on database-backed features using SQL, PostgreSQL, and MongoDB. - Debugged workflow issues across frontend, backend, and API layers. - Improved code quality through unit testing, code review, refactoring, and cleaner error handling.
- JJunior Software Engineer II, Cloud Platform ToolsJul 2014 - Oct 2015 (1 year 4 months)Worked on cloud-based platform features, backend services, APIs, and internal engineering tools. Focused on building reliable software, improving data workflows, and supporting scalable application features in a production engineering environment. - Developed application features using JavaScript, TypeScript, React.js, Node.js, Express.js, Python, and Django. - Built and maintained REST API integrations for platform tools and internal services. - Worked with SQL, PostgreSQL, and MongoDB to support application data and query updates. - Helped improve reliability through debugging, unit testing, integration testing, and code review. - Collaborated with senior engineers on API design, database design, and maintainable implementation patte
- Junior Software EngineerMicrosoftOct 2010 - Nov 2013 (3 years 2 months)Worked on web application features, backend services, internal tools, and database-backed systems. Built a strong foundation in writing maintainable code, debugging issues, supporting APIs, and improving application reliability. - Built and maintained application features using JavaScript, HTML, CSS, Node.js, Python, and SQL. - Supported backend services, REST APIs, database queries, and internal engineering tools. - Worked with PostgreSQL and MongoDB for application data, reporting, and query updates. - Debugged frontend, backend, and database issues across existing systems. - Improved reliability through unit testing, code review, refactoring, and clearer error handling.
Education
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- Warsaw University of Technology — Master's DegreeWarsaw University of TechnologyJan 2010 - Dec 2012 (3 years)
- National Technical University of Ukraine 'Kyiv Polytechnic Institute' — Bachelor’s DegreeNational Technical University of Ukraine 'Kyiv Polytechnic Institute'Jan 2006 - Dec 2010 (5 years)