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I am a Senior Software Engineer with over 12 years of experience building web and mobile applications using Python, Node.js, and AWS. I specialize in backend development, scalable microservices, and cloud-enabled product design, collaborating with product teams to turn complex ideas into robust systems. I thrive in Agile environments, practicing TDD and DevOps, and I enjoy contributing to design systems and cloud architectures. My work spans B2B SaaS, CRM, CMS, fintech, and data-rich domains, with a focus on reliability, performance, and maintainability that customers can feel in their daily workflows.…I am a Senior Software Engineer with over 12 years of experience building web and mobile applications using Python, Node.js, and AWS. I specialize in backend development, scalable microservices, and cloud-enabled product design, collaborating with product teams to turn complex ideas into robust systems. I thrive in Agile environments, practicing TDD and DevOps, and I enjoy contributing to design systems and cloud architectures. My work spans B2B SaaS, CRM, CMS, fintech, and data-rich domains, with a focus on reliability, performance, and maintainability that customers can feel in their daily workflows.

Hrayr Andreasyan

Full Stack Developer, Back-End Developer, Front-End Developer, +3

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I am a Senior Software Engineer with over 12 years of experience building web and mobile applications using Python, Node.js, and AWS. I specialize in backend development, scalable microservices, and cloud-enabled product design, collaborating with product teams to turn complex ideas into robust systems. I thrive in Agile environments, practicing TDD and DevOps, and I enjoy contributing to design systems and cloud architectures. My work spans B2B SaaS, CRM, CMS, fintech, and data-rich domains, with a focus on reliability, performance, and maintainability that customers can feel in their daily workflows.…I am a Senior Software Engineer with over 12 years of experience building web and mobile applications using Python, Node.js, and AWS. I specialize in backend development, scalable microservices, and cloud-enabled product design, collaborating with product teams to turn complex ideas into robust systems. I thrive in Agile environments, practicing TDD and DevOps, and I enjoy contributing to design systems and cloud architectures. My work spans B2B SaaS, CRM, CMS, fintech, and data-rich domains, with a focus on reliability, performance, and maintainability that customers can feel in their daily workflows.

Available to hire

I am a Senior Software Engineer with over 12 years of experience building web and mobile applications using Python, Node.js, and AWS. I specialize in backend development, scalable microservices, and cloud-enabled product design, collaborating with product teams to turn complex ideas into robust systems.

I thrive in Agile environments, practicing TDD and DevOps, and I enjoy contributing to design systems and cloud architectures. My work spans B2B SaaS, CRM, CMS, fintech, and data-rich domains, with a focus on reliability, performance, and maintainability that customers can feel in their daily workflows.

Skills

Experience Level

Expert

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Language

English

Fluent

Work Experience

Senior Software Engineer at Zayo

October 1, 2023 - Present

Led optimization and maintenance of the customer portal, managing a monorepo and AWS-based microservices for quotes, orders, tickets, and billing. Implemented diagnostic measurement to analyze transaction rates and identify bottlenecks; built a Log & Incident platform with dynamic levels and end-to-end metrics for infrastructure and AI models. Migrated the frontend from Angular to Next.js/Turbopack with React, enforcing design system usage. Integrated deck.gl with Google Maps for geospatial visualization and resolved issues affecting layers and mobile performance. Modernized Node.js modules, improved async performance with async_hooks and Sequelize pooling, and introduced gRPC for high-performance communication. Architected scalable AWS infrastructure (EC2, auto-scaling, CloudFront, S3, IAM, VPC, Redis, MSK) and orchestrated CI/CD via GitHub, CodePipeline, LocalStack. Conducted regular security and code quality audits with SonarQube.

Software Engineer at Percona

September 1, 2021 - August 1, 2023

Collaborated with Product Owner to design, develop, and launch a Python/FastAPI MVP toolset automating key service delivery processes. Integrated management features into a database monitoring system to address diverse enterprise needs. Implemented remote execution for batch jobs with parameterized configurations. Automated MySQL and MongoDB backups (logical, physical, and real-time binlogs) with GCP snapshots and off-site DR, including encryption and deduplication. Redesigned a large React frontend using MUI for consistency, and implemented virtualization for large lists. Added adaptive hydration, OAuth 2.0, data masking, and API security measures. Built automated AWS RDS/DynamoDB backups with S3-based storage and PMM observability. Documented processes and integrated Snyk into CI/CD for vulnerability management.

Senior Full-stack Developer at Newsela

July 1, 2019 - August 1, 2021

Designed and implemented a unified CMS to replace fragmented editorial workflows, leveraging GraphQL and Dgraph. Migrated Django admin tools to a scalable CMS, improving indexing, querying, and mutations. Integrated ProseMirror with React to build a modular rich-text editor, enabling advanced content features. Engineered a multi-core Node.js socket server with cluster, Redis, and Socket.IO for scalable real-time communication. Built scalable APIs using AWS AppSync with VTL/JS resolvers, orchestrated via CloudFormation and SAM CLI. Authored Solution Architecture documents and collaborated with FEP to standardize front-end tooling for product teams.

Full-stack Developer at Leafcloud

November 1, 2018 - May 1, 2019

Migrated legacy Django Admin workflows to a modern, performance-optimized Customer Management Portal for Cloud GPUs using React, TypeScript, Next.js, and Prisma. Delivered responsive UIs with Mantine UI and React Query; implemented authentication and access control via Django-auth and Keycloak. Defined testing strategies with Jest, Playwright, and Pytest; worked in Agile with Jira/Confluence. Implemented virtualization for large lists and ensured scalable frontend performance.

Freelance Web & Mobile Developer at Freelance

July 1, 2013 - August 1, 2018

Delivered custom web and mobile solutions for real estate, manufacturing, and social networking. Built high-performance apps using React, React Native, Node.js, and Python; created advanced property search, social features, and automated workflows. Managed end-to-end development, including UI/UX, SEO, and performance optimization, collaborating closely with clients to meet business goals.