Backend-focused Software Engineer with 4+ years of experience building scalable, production-grade systems using Java, Spring Boot, and cloud-native architectures. I enjoy working on backend services that handle real-world complexity - transactions, data consistency, performance, and reliability at scale.

Currently based in Greater Toronto Area, Canada 🇨🇦.

• Design and build Java microservices using Spring Boot, Hibernate, and REST APIs
• Work with SQL & NoSQL databases (Oracle, PostgreSQL, MongoDB) focusing on performance and data integrity
• Build and maintain CI/CD pipelines using Git, Jenkins, Docker, Kubernetes
• Debug and support production systems with high availability and strict correctness requirements
• Collaborate in Agile teams with product, QA, and senior engineers

I care deeply about clean code, observability, security, and operational excellence.

• Java, Spring Boot, Spring MVC, Spring Security
• Hibernate, JPA, JDBC
• REST APIs, Microservices, GraphQL
• Kafka, RabbitMQ, Redis
• Python, FastApi, Agentic AI, RAG, Generative AI

• Oracle, PostgreSQL, MySQL
• MongoDB

• Docker, Kubernetes, Terraform
• Jenkins, GitHub Actions
• AWS (EC2, EKS, S3)
• Nginx, Tomcat, WebLogic

• Angular (2+), Angular Material
• RxJS, NgRx
• HTML5, CSS3
• Gradio

• JUnit
• Playwright, Cypress, Jest
• CI-integrated automated testing

Software Engineer - Therap Services LLC
Mar 2023 – Dec 2025

• Built and maintained 10+ Java microservices supporting healthcare billing and eligibility workflows
• Optimized Oracle SQL queries for high-traffic, transaction-heavy systems
• Reduced billing discrepancies by ~30% through robust validation and edge-case handling
• Expanded automated test coverage to ~85% (JUnit + Playwright)
• Supported Docker/Kubernetes deployments across dev → prod environments

Software Engineer - CrackPlatoon Charging Solutions Jan 2022 – Jul 2023

• Built backend services for charging session lifecycle management
• Designed REST APIs used by web apps, admin dashboards, and hardware endpoints
• Deployed containerized services to AWS with >99% availability

🔗 https://github.com/MindFello/mindfello-ai

• Built a state-driven multi-agent AI system using FSMs and OpenAI Agents SDK
• Designed LLM-powered agents for therapist matching, booking, and notifications
• Implemented concurrency-safe workflows with optimistic locking
• Integrated Gradio UI and automated notification pipelines

🎥 Demo: https://www.youtube.com/watch?v=6JQ3cG5dQEo

• Full-stack platform using Angular + Spring Boot
• Integrated Keycloak for centralized authentication & RBAC
• Built secure APIs for session scheduling, messaging, and payments
• Focused on scalability, privacy, and maintainable architecture

• B.Sc. in Computer Science & Engineering - BRAC University
• AI Engineer Agentic Track - OpenAI Agents & MCP
  🔗 https://www.udemy.com/certificate/UC-5528b358-57f0-42cd-9d50-424a9476a9e5/

• 📧 Email: tamzidkhan015@gmail.com
• 💼 LinkedIn: https://www.linkedin.com/in/tamzid-khan-7bb67720a/

⭐ I’m interested in backend-heavy roles where correctness, scalability, and system design matter - and I’m always learning.