{"schemaVersion":"1.0","name":"Amirhossein Hemmasi","alternateName":"Amir","headline":"Frontend-focused full-stack developer","location":{"city":"Calgary","region":"Alberta","country":"Canada"},"summary":"Frontend-focused developer with full-stack experience building responsive web products, integrating APIs, and working across application data and cloud services.","focus":["Frontend development","Full-stack web development","Product engineering"],"skills":["React","TypeScript","JavaScript","Vue 3","HTML","CSS","Material UI","Bootstrap","AG Grid","Node.js","REST APIs","C#",".NET Core","Entity Framework","ADO.NET","PostgreSQL","SQL Server","MySQL","BigQuery","AWS","Azure","Google Cloud","CI/CD","Git","Azure DevOps","Agile / Scrum","Google Apps Script","ClickUp","Retool"],"profiles":{"linkedin":"https://www.linkedin.com/in/amir-hemmasi","github":"https://github.com/Amir-Hemmasi"},"resumeUrl":"/CV.pdf","preferredContactUrl":"https://www.linkedin.com/in/amir-hemmasi","experience":[{"organization":"Yastremski Associates Inc., operating as Sustainable Projects Group (SPG)","title":"Front End Developer","arrangement":"Full-time, Calgary, Alberta","period":"March 17, 2025–present","startDate":"2025-03-17","endDate":null,"summary":"Build and improve user-facing features for the JOBI platform, integrate APIs, test and refine interfaces, and contribute to performance and maintainability with product, design, and backend teammates.","technologies":["React","Material UI","JavaScript","Node.js","AWS","PostgreSQL"]},{"organization":"Sustainable Projects Group (SPG)","title":"Front End Developer (contract)","arrangement":"Remote, Iran","period":"December 2023–March 1, 2025","startDate":"2023-12","endDate":"2025-03-01","summary":"Contributed to SPG web product development under a remote contractor arrangement before moving to the Calgary-based full-time role.","technologies":["React","Material UI","JavaScript","AWS","PostgreSQL"]},{"organization":"Khoy Textile Company","title":"IT Manager","arrangement":"Iran","period":"November 2022–November 2023","startDate":"2022-11","endDate":"2023-11","summary":"Managed business databases, information security, inventory and ERP systems, the company website, and employee technical support.","technologies":["Databases","ERP","Information security","IT operations"]},{"organization":"Robust Choice","title":"Frontend Developer","arrangement":"Contract","period":"April 2022–December 31, 2022","startDate":"2022-04","endDate":"2022-12-31","summary":"Built features for the Personize.ai Google Sheets add-on, including data workflows, batch processing, credits, and integrations.","technologies":["Google Apps Script","JavaScript","APIs","Data workflows"]},{"organization":"Organic Minded","title":"Frontend and Full-stack Developer","arrangement":"Iran","period":"November 2019–April 2022","startDate":"2019-11","endDate":"2022-04","summary":"Worked across requirements, UI implementation, API development, and database design for web products.","technologies":[".NET","C#","REST APIs","SQL","UI development"]}],"featuredProject":{"name":"WorldSignal","category":"Energy market impact intelligence","role":"Creator and full-stack developer","summary":"A private research application that explains how observed oil-market changes have historically related to gasoline, diesel, and jet-fuel prices, alongside recent energy headlines and concise impact notes.","currentExperience":"The Market Impact screen separates observed values from historical estimates and explains the evidence and uncertainty. It does not predict the direction of oil prices.","technologies":["React","TypeScript","Vite","Fastify","Node.js","Python","PostgreSQL"],"status":"Private project; local implementation; no public deployment","access":"A future product experience is intended to require portfolio sign-in.","limitations":["Not a trading product or financial advice.","The former WTI direction-forecasting research is frozen and is not a promoted prediction feature.","No public demo or public source repository is available."]},"education":[{"qualification":"B.Sc. Mechanical Engineering","institution":"Tehran Azad University","period":"2014–2020"},{"qualification":"Microsoft Full-stack Software Engineering in .NET","institution":"Sematec Institute","period":"2020–2021"},{"qualification":"Advanced C# Programming","institution":"Sematec Institute · Professional Certificate","period":"2019"},{"qualification":".NET Fundamentals and SQL Server Database Design","institution":"Sematec Institute · Professional Certificates","period":"2019"}],"credentials":[{"name":"IELTS General Training","type":"English proficiency","period":"August 2024"},{"name":"Duolingo English Test","type":"English proficiency","period":"June 2024"}],"publicContent":["Professional summary","Experience","Skills","Education","WorldSignal case study"],"privateContent":["WorldSignal application access","WorldSignal credentials, source code, and private research data"],"updated":"2026-10-11"}