Hello, I'm Dabasish Das Joy

Backend Software Engineer | 2.5+ Years Experience

Experienced backend engineer specializing in building scalable RESTful APIs and microservices using NestJS, Golang (Echo), PostgreSQL, and MongoDB. Passionate about optimizing application performance and delivering reliable backend systems.

dabasish.ts
class BackendEngineer {
  async build() {
    const stack = [
      'NestJS',
      'Golang (Echo)',
      'PostgreSQL',
      'MongoDB',
      'Redis',
      'RabbitMQ',
    ];
    return 'Scalable APIs & Microservices';
  }
}

About Me

Backend Software Engineer with 2.5 years of experience building scalable RESTful APIs and microservices using Golang (Echo), Node.js (NestJS/Express), PostgreSQL, and MongoDB. I specialize in optimizing application performance, database query optimization, and collaborating with cross-functional teams in Agile environments to deliver reliable backend systems.

At 6Sense Technologies, I've contributed to 6+ diverse backend projects, working with modern technologies like NestJS, TypeScript, RabbitMQ, and various databases. I enjoy mentoring junior developers and implementing best practices for clean, maintainable code.

Clean Code

Writing maintainable and well-documented code

Performance

Optimizing for speed and scalability

Security

Implementing best practices for secure applications

Technical Skills

Backend Technologies

NestJS Expert
Express.js Advanced
Golang (Echo) Advanced
TypeScript Expert

Databases & DevOps

PostgreSQL Advanced
MongoDB Advanced
MySQL Intermediate
Redis Advanced
Docker Advanced

Other Technologies & Tools

REST APIs Microservices RabbitMQ AWS Lambda AWS (Basic) CI/CD GitHub Actions Jest ESLint Prettier OpenAI API Postman Swagger GORM

Featured Projects

Pattern50

SaaS platform for software development agencies to manage clients, development teams, and payments.

HomeLedger

Mobile app backend for homeowners to manage properties, clients, payments, and track tasks with reminders.

ToriTorkari Bazar Backend

Scalable backend services for an online grocery e-commerce platform using Golang and MySQL.

Experience

Software Engineer

Technonext Software Ltd December 2025 – Present Dhaka, Bangladesh

Developing and maintaining scalable backend systems and RESTful APIs using modern technologies. Contributing to the full software development lifecycle from design to deployment.

  • Designing and implementing robust backend services and APIs for web applications
  • Collaborating with cross-functional teams to deliver high-quality software solutions
  • Writing clean, maintainable code following best practices and coding standards
  • Participating in code reviews and contributing to technical decision-making
  • Working on continuous improvement of application performance and scalability
Technologies: NestJS, Node.js, TypeScript, PostgreSQL, MongoDB, Docker, AWS, Git, CI/CD

Junior Software Engineer

6Sense Technologies April 2023 – Present Dhaka, Bangladesh

Contributing to 6+ diverse backend projects, building high-performance RESTful APIs and microservices using NestJS, TypeScript, RabbitMQ, and PostgreSQL/MongoDB/DynamoDB.

  • Collaborated with frontend developers, product managers, and cross-functional teams in Agile development environment to deliver features on time
  • Optimized application performance, reliability, and security by implementing database schema improvements, MongoDB aggregation pipelines, and Redis-based caching solutions
  • Designed and maintained database schemas and integrations across PostgreSQL and MongoDB systems, implementing efficient indexing strategies
  • Debugged, troubleshot, and resolved production issues in real-time environments, implementing monitoring solutions
  • Worked closely with DevOps to containerize and deploy microservices using Docker, Kubernetes, and ArgoCD on AWS
  • Mentored 3+ junior developers and conducted hands-on training sessions, fostering knowledge sharing
Technologies: NestJS, TypeScript, PostgreSQL, MongoDB, Redis, RabbitMQ, OpenAI, Zoho Books, Docker, AWS, Jest, CI/CD

Education

Bachelor of Science in Computer Science & Engineering

Port City International University

Chattogram, Bangladesh

2017 – 2022

Competitive Programming & Problem Solving

Onsite Contests

  • CUET IUPC 2018
  • EDU IUPC 2020

Online Platforms

Get In Touch

I'm always open to discussing new projects, creative ideas, or opportunities to be part of your team. Feel free to reach out!

Blog Posts

March 15, 2024

Building Scalable REST APIs with NestJS

Learn how to architect robust REST APIs using NestJS, including dependency injection, modular design patterns, and best practices for building enterprise-grade applications.

March 8, 2024

Concurrency Patterns in Golang

Exploring goroutines, channels, and select statements to build highly concurrent applications. Deep dive into common concurrency patterns and how to avoid race conditions.

March 1, 2024

Microservices Communication Patterns

Understanding synchronous vs asynchronous communication, service mesh architecture, and implementing event-driven microservices with message brokers.

February 22, 2024

Database Optimization Strategies

Performance tuning techniques for PostgreSQL and MongoDB, including indexing strategies, query optimization, and connection pooling best practices.

February 15, 2024

JWT Authentication Best Practices

Implementing secure authentication with JWT tokens, including refresh token strategies, token rotation, and securing REST APIs from common vulnerabilities.

February 8, 2024

CI/CD Pipelines for Node.js Applications

Setting up automated testing, building, and deployment pipelines using GitHub Actions, Docker containerization, and Kubernetes deployment strategies.