Backend Engineer

Hi, I'm Aryan Raj
Backend Engineer

Specializing in Go (Golang), Java, REST APIs, Concurrency, and Clean Architecture. Building scalable systems with Echo and Spring Boot, with expertise in LLM Integration and Agent Workflows for GenAI platforms.

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About Me

Aryan Raj - Backend Engineer

Backend Engineer working at an Agentic AI platform startup, contributing to backend systems that support LLM-powered agents and multi-step execution workflows. Involved in building and maintaining backend services and orchestration components that enable reliable agent execution while keeping core logic modular and production-safe. Works closely with system reliability concerns such as request tracing, execution visibility, and structured backend design. Experienced in developing clean, maintainable backend architectures and database-backed systems, with a strong interest in scalable and performance-oriented platform development.

15+

Projects Built

20+

Systems Designed

50+

APIs Developed

10+

Production Deployments

Featured Work

Projects & Case Studies

QuickClinic - Healthcare Suite

Full-stack microservices-based hospital management system with real-time notifications and role-based dashboards.

Tech Stack

Spring BootKafkaReactJWTDockerMySQLRedis

Highlights

  • ▪Secure inter-service communication with JWT
  • ▪Real-time email notifications via Kafka
  • ▪Role-based access control & dashboards
  • ▪Containerized microservices architecture
LiveCode

LocalConnect

Location-based service marketplace with advanced filtering and async event handling.

Tech Stack

Spring BootMongoDBRedisKafka

Highlights

  • ▪OTP authentication system
  • ▪Redis-based caching strategy
  • ▪Asynchronous event processing
  • ▪Rating-based filtering algorithm
LiveCode

JournalApp

Role-based journal management system with sentiment analysis and cache optimization.

Tech Stack

Spring BootMongoDB AtlasRedisJava

Highlights

  • ▪Sentiment analysis scheduler
  • ▪Multi-level caching strategy
  • ▪Modular service architecture
  • ▪Real-time data sync
LiveCode

Book Store API

RESTful API with AI-enhanced search capabilities and secure authentication.

Tech Stack

Spring BootMongoDB AtlasGemini APIJWT

Highlights

  • ▪Secure authentication & authorization
  • ▪AI-powered book search integration
  • ▪Scalable REST architecture
  • ▪Transaction management
LiveCode

Dellivery Microservices

Train reservation system with transactional database handling and lifecycle management.

Tech Stack

JavaSpring BootKafka

Highlights

  • ▪Event-driven microservices using Apache Kafka
  • ▪Asynchronous message processing for service decoupling
  • ▪Topic-based message routing
  • ▪Spring Boot microservice design
LiveCode

Hire Hub

Worker-finder management platform connecting service providers with clients.

Tech Stack

JavaJDBCMySQLSpring Boot

Highlights

  • ▪User matching algorithm
  • ▪Service provider ratings
  • ▪Booking management system
  • ▪Payment integration ready
LiveCode
Tech Stack

Technologies & Tools

Production-grade technologies powering scalable backend systems and microservices

Golang
Java
Echo Framework
Spring Boot
Spring Security
REST APIs
Backend Services
Microservices
Apache Kafka
AI / LLM API Integration
Agent Workflows
PostgreSQL / MySQL
MongoDB
Redis
JWT Authentication
Authentication & Authorization
Docker
Cloud Fundamentals
Observability & Tracing
Git
GitHub
Golang
Java
Echo Framework
Spring Boot
Spring Security
REST APIs
Backend Services
Microservices
Apache Kafka
AI / LLM API Integration
Agent Workflows
PostgreSQL / MySQL
MongoDB
Redis
JWT Authentication
Authentication & Authorization
Docker
Cloud Fundamentals
Observability & Tracing
Git
GitHub

Backend & Systems

Go (Golang)JavaMicroservicesConcurrencyClean Architecture

Backend Frameworks

EchoSpring Boot

GenAI / LLM Systems

LLM Integration,Agent Workflows

Observability

Open TelemetryJaegerStructured Logging

Message & Cache

KafkaNatsRedisRabbitMQ

Databases

MySQLMongoDB AtlasPostgreSQL

Tooling

MavenPostman

Deployment

DockerKubernetesAWS/GCP

API & Security

JWTOAuth 2.0REST APIs

Version Control

GitGitHubCI/CD Pipelines
Career Path

Experience Timeline

Sep 2025 - Present

Backend Engineer (AI Platform)

Dhriti Enterprises (Agentic AI Platform Startup)

Remotely, India

Architecting scalable Go-based backend services powering multi-step agent execution workflows for an agentic AI platform.

✓Integrated OpenAI, Gemini, & Mistral via a unified orchestration layer to enable seamless provider switching
✓Implemented end-to-end tracing using OpenTelemetry, reducing debugging time and providing full execution traceability for complex agent chains
✓Modernized internal infrastructure by migrating legacy databases and integrating Keycloak for centralized, enterprise-grade authentication
✓Enforced Clean Architecture using interface-driven design for long-term maintainability
Oct 2024 - Apr 2025

Software Trainee (Backend Developer Intern)

Ducat India

Noida, India

Engineered production-ready features across 3+ backend projects, handling end-to-end request cycles using Java and Spring Boot.

✓Hardened application security by implementing JWT-based authentication and granular Spring Security authorization flows
✓Optimized SQL query patterns, resulting in a 20% performance improvement for data-heavy operations during testing phases
✓Improved code quality by participating in code reviews, addressing defects, and incorporating mentor feedback to accelerate delivery timelines
✓Automated build and dependency management for multiple backend projects, streamlining development and deployment workflows
Get In Touch

Let's Work Together

Have a project in mind or want to discuss backend architecture? I'd love to hear from you.