Seyran Petrosyan
Hi, I'm Seyran Petrosyan, a Senior Software Engineer with a strong background in API development, architecture design, and AI integrations. js, and AWS to build scalable and reliable applications.
About
Hi, I’m Seyran Petrosyan, a Senior Software Engineer with a strong background in API development, architecture design, and AI integrations. I have extensive experience working with technologies like Typescript, Node.js, and AWS to build scalable and reliable applications. I enjoy integrating third-party applications and utilizing cloud services to enhance product capabilities and ensure smooth, efficient deployments.
Throughout my career, I’ve had the opportunity to work with startups and established companies across various sectors, contributing to AI-powered projects and complex backend systems. I’m passionate about leveraging modern tech to solve real-world problems and continually expanding my knowledge in software engineering and artificial intelligence.
- 5 years' experience
- Joined February 2025
Languages
- EnglishAdvanced
Industry experience
- Software & Internet
- Manufacturing
- Professional Services
- Healthcare
- Financial Services
Work experience· 6 roles
Worked on AI powered outbound engine service (mid-stage startup). Built public API for AI Agent experimentation with parallel processing and in-depth analysis. Developed tRPC routes for AI-driven slideshow generation. Created a system for LLM selection based on use cases, rate limitations, and token limits. Technologies used include Typescript, Node.js, Next.js, tRPC, GCP, Redis, Elasticsearch, LangChain, and LLMs.
Worked on AI driven Sales & HR automation platform (early-stage startup). Developed product from scratch, leading to a multi-million dollar ARR within two years. Integrated LangChain and OpenAI, building RAG system to significantly expand application capabilities. Designed and implemented scalable backend architecture, optimized database and caching, participated in infrastructure setup using various AWS services. Tech stack included Typescript, Node.js, Nest.js, MySQL, Redis, RabbitMQ, AWS, and Terraform.
Worked on B2B2C platform for manufacturing and sourcing metal parts across Europe. Developed and maintained complex APIs increasing server scalability. Participated in infrastructure migration from Heroku to AWS improving stability, fault tolerance, and reducing costs. Updated and optimized databases improving application efficiency. Integrated third-party applications such as EasyBill and Hubspot, enhancing application capabilities. Contributed positively to team dynamics and work culture. Tech stack included Typescript, Node.js, Express.js, PostgreSQL, MongoDB, and AWS.
Education
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