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Ivan Dolgov
@aligator527
Tech Lead, Full Stack Engineer, React Go AWS
Japan
Japans, Engels, Russisch
Over mij
Tech Lead and Full-Stack Engineer with 5+ years of experience building enterprise systems, SaaS products, and AI applications.
Product-oriented, with strong expertise in React and TypeScript, backend experience in Go, Java/Spring, PHP/Laravel, and Python/Django, and hands-on experience with AWS cloud infrastructure. Experienced in 0→1 product development, system architecture, requirements definition, technical standardization, code review, and cross-functional project delivery.
Currently working on a next-generation enterprise WMS platform at Daiwa House (Fortune Global 500 & Nikkei 225)
Skills
Ivan Dolgov
offline •
Bekijk mijn diensten
Cloud-advisering
I will audit and fix your slow AWS serverless app dynamodb, appsync, lambda
Hulp en advies
I will review your system architecture and choose your stack with a proof of concept
Portfolio
Werkervaring
Tech Lead — Next-Generation WMS
（株）フレームワークス • Fulltime
Aug 2026 - Present • 2 mos
Tech Lead and management-track candidate leading the development of Daiwa House Group’s next-generation WMS (Warehouse Management System), covering product planning, architecture design, technology selection, and implementation. Part of a Product Development Section responsible for R&D of next-generation products, driving technical validation, PoC and MVP development, evaluating the practical applicability of new technologies, and leading initiatives from early-stage validation through full-scale product development and commercialization. •Lead technical planning and architecture for a next-generation enterprise Warehouse Management System, covering frontend, backend, cloud, security, and WMS/WCS integration. •Drive technology selection, architecture standardization, and engineering guidelines with a focus on long-term maintainability, extensibility, and enterprise-scale operations. •Define and document architecture decisions, technical standards, and integration approaches while coordinating with engineering, product, and management stakeholders. •Support technical evaluation and PoC activities for core platform technologies, security architecture, and future system integration
Project Lead / Full-Stack Engineer
Checking your browser... • Freelance
Jun 2025 - May 2026 • 11 mos
・Led 0→1 development of an AI chat game platform within a 20-person cross-functional team, covering requirements, architecture, implementation, and release. ・Built the frontend with React and TypeScript and backend APIs with Go, including chat history, session management, state handling, and LLM integration. ・Provisioned AWS infrastructure using Terraform, including Lambda, API Gateway, and DynamoDB, improving reproducibility across development and test environments. ・Designed authentication and authorization using Keycloak and contributed to sprint planning, technical decisions, code reviews, development standards, and release management.
Full-Stack Engineer
長島梱包株式会社 – 長島梱包株式会社 • Freelance
Nov 2024 - Dec 2025 • 1 yr 1 mo
•Developed production web and mobile applications for a SaaS platform serving the packaging industry, currently used by more than 10 Japanese companies, within a ~10-person project team using React, Next.js, React Native, and Expo. •Built and maintained serverless functionality with AWS Amplify, Lambda, AppSync, DynamoDB, and S3, supporting cross-platform business workflows. •Improved search and large-data processing through database indexing, request reduction, and application-level optimization, reducing timeout and performance issues. •Supported the Node.js 16 → 20 migration, technical PoCs, code reviews, external developer support, and production releases.
