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🍁 CV / Resume 🇨🇦

🍁 Anton Romeo

Senior Software Engineer

📧 antonr24710@gmail.com

📞 +1 (978) 861-0777

📍 Richmond Hill, ON L4B 2M2, Canada

💼 LinkedIn: in/anton-romeo-ab39a23bb

🍁 PROFESSIONAL SUMMARY

Senior Software Engineer with 8+ years of experience building scalable, secure, and high-performance enterprise applications across eCommerce and healthcare domains. Specialized in C#/.NET and cloud architecture, with strong expertise in Azure and AWS environments, designing microservices, data-intensive systems, and enterprise integrations (CRM/ERP). Proven track record in developing high-performance APIs, optimizing SQL-based systems, and implementing CI/CD and IaC (Terraform) for reliable and repeatable deployments. Experienced in leading system architecture, performance optimization, and production reliability for large-scale applications. Additionally brings hands-on experience with AI-driven solutions (Azure OpenAI, RAG, document processing, analytics pipelines) to enhance automation and intelligent workflows.

🍁 SKILLS

  • Backend: C#, .NET Core, ASP.NET Core, ASP.NET MVC, Web API, Entity Framework Core, Dapper, Python (FastAPI, Flask), Node.js (Express, NestJS), REST API design, asynchronous and parallel programming, microservices, N-tier / Clean architecture
  • Frontend: React, Next.js, Angular, Vue.js, TypeScript, JavaScript, responsive UI, component-based architecture
  • Databases: SQL Server, Azure SQL, PostgreSQL, MySQL, DynamoDB, MongoDB, database schema design, indexing, query optimization, execution plan analysis
  • Caching & Messaging: Redis, Kafka, RabbitMQ, AWS SQS/SNS, Azure Service Bus, event-driven architecture, pub/sub
  • Cloud: Microsoft Azure (App Service, Functions, Service Bus, Event Grid, API Management, Azure Storage, Azure SQL, Key Vault, Azure Monitor, Application Insights), Azure OpenAI; AWS (Lambda, API Gateway, ECS, EKS, Step Functions, RDS, DynamoDB, S3, CloudWatch)
  • DevOps & Infrastructure: Docker, Kubernetes (AKS, EKS), Terraform, CI/CD pipelines (Azure DevOps, GitHub Actions, Jenkins), Infrastructure as Code, blue-green and rolling deployments
  • Data Engineering & Pipelines: Python for ETL, data ingestion and transformation, data lakes and warehouses on Azure and AWS, batch and near-real-time pipelines
  • 3rd-Party APIs & Integrations: EMR/EHR APIs (FHIR/HL7-style), Salesforce (REST/Bulk APIs), payment gateways, CRM systems, ERP integrations, messaging and communication platforms
  • Security & Compliance: OAuth2, OpenID Connect, JWT, SSO, RBAC, encryption in transit and at rest, Azure Key Vault, AWS KMS, secure coding practices, healthcare data compliance
  • Testing & Quality: xUnit, NUnit, Jest, integration testing, API automation, TDD/BDD exposure, code reviews
  • Observability & Monitoring: Azure Monitor, Application Insights, AWS CloudWatch, ELK stack, Prometheus, Grafana, distributed tracing, alerting
  • AI & Developer Productivity: Azure OpenAI, LLMs, RAG pipelines, MCP, AI tools (Cursor, Copilot, Claude, Antigravity)

🍁 PROFESSIONAL EXPERIENCE

🍁 INLIGHTENED

Senior Software Engineer

May 2024 - Jan 2026 | Boston, MA

  • Led the design and development of a cloud-native, microservices-based healthcare platform using C#/.NET on Microsoft Azure, supporting CRM-style workflows, document processing, and enterprise automation.
  • Architected scalable backend systems using ASP.NET Core, Web API, and clean architecture, ensuring high performance, maintainability, and long-term extensibility.
  • Designed and implemented Azure infrastructure and CI/CD pipelines using Azure DevOps, leveraging Infrastructure-as-Code (IaC) for automated deployments and environment consistency.
  • Built and optimized data pipelines and asynchronous processing systems using Python (FastAPI/Flask), Celery, Redis, and RabbitMQ, enabling high-throughput document ingestion and background job orchestration.
  • Developed AI-powered document processing solutions using RAG pipelines and Azure OpenAI, combined with MCP-based multi-agent orchestration to automate complex workflows and decision-making.
  • Implemented containerized microservices architecture using Docker, improving scalability, fault isolation, and system reliability under heavy workloads.
  • Established observability and monitoring using Azure Monitor and Application Insights, enabling proactive issue detection and system performance optimization.
  • Owned post-launch production systems for 6+ months, leading incident response, resolving critical issues, and driving improvements in performance, scalability, and security.
  • Collaborated closely with QA, product, and cross-functional teams, contributing to system architecture decisions and delivering a high-availability, production-grade platform with measurable efficiency gains (50%+ automation).

🍁 Sedin Technologies

FullStack Engineer

Dec 2022 - May 2024 | Sunnyvale, CA

  • Led migration of a large-scale eCommerce and data platform from AWS to Azure, modernizing backend systems from Node.js (NestJS/TypeScript) to C#/.NET with Entity Framework.
  • Designed and implemented microservices architecture using .NET, Redis, and containerized services (Docker/Kubernetes) to improve scalability and system resilience.
  • Migrated frontend applications from React to Next.js (App Router), improving performance, SEO, and maintainability.
  • Built and optimized high-performance APIs and backend services, handling large-scale transactional and analytical workloads.
  • Developed and maintained Azure DevOps CI/CD pipelines and GitHub Actions workflows, enabling automated build, testing, and deployment processes.
  • Integrated multiple third-party systems and APIs, including CRM, payment providers, and enterprise data platforms.
  • Engineered large-scale data processing pipelines and real-time systems using WebSockets and event-driven architecture.
  • Designed and implemented AI voice agent solutions using VAPI, Telnyx, OpenAI (GPT/Whisper) for real-time customer interaction and automation.
  • Worked within ERP-integrated environments, troubleshooting production issues, optimizing workflows, and improving system performance.
  • Implemented monitoring and observability solutions using Azure Monitor, logging systems, and distributed tracing tools.
  • Contributed to product-focused engineering, supporting system evolution, migrations, and customer-facing improvements.

🍁 Aatio

FullStack Developer

Oct 2018 - Nov 2022 | Saint John, Canada

  • Developed enterprise healthcare applications using .NET, Node.js (Express.js), and React, supporting patient management, workflows, and system integrations.
  • Designed and implemented scalable backend APIs and microservices, enabling secure and efficient data exchange across systems.
  • Built and optimized databases using PostgreSQL, Supabase, DynamoDB, and MongoDB, improving performance and scalability of data-heavy applications.
  • Developed Blazor-based UI components alongside modern frontend frameworks for internal tools and dashboards.
  • Implemented AWS cloud services including Lambda, SQS, SNS, DynamoDB, and S3 to support distributed and event-driven architectures.
  • Created responsive and user-friendly interfaces using React and TypeScript.
  • Improved system performance by 40% through query optimization and backend enhancements.
  • Monitored system health using CloudWatch and centralized logging tools to ensure high availability.

🍁 MNP Digital

FullStack Developer

May 2017 - Sep 2018 | Saint John, Canada

  • Developed internal tools and dashboards using C#/.NET, SQL, and Blazor.
  • Wrote and optimized SQL queries for reporting and backend processing.
  • Assisted in testing, debugging, and deployment within agile environments.
  • Supported documentation and collaboration across development teams.

🍁 EDUCATION

University of New Brunswick

Bachelor's degree, Computer Science

🍁 CERTIFICATES

  • Development with AI and Web Services
  • Web Development with Python Developer
  • IBM MQ on AWS Cloud Developer Essentials
  • IBM Ecosystem Cloud Native Developer Essentials