About

Software Engineer

I'm a highly skilled developer, DevOps, and security professional with extensive experience in Amazon Web Services (AWS), MERN stack, React JS, and serverless architecture. My technical expertise, problem-solving aptitude, and adherence to industry standards enable me to provide exceptional service and deliver top-notch results. I'm a dedicated lifelong learner who stays up-to-date with the latest technologies and best practices.

Experience

Field Nation

Current

Software Engineer

Dec 2025 - Present

Contributing to the breakfix initiative which is essential for company growth
Delivered crucial features to enterprise clients in their new contract experience, reducing 70% of regular work errors
Significant reduction in manual labor through automation and improved workflows

PHP NestJS MySQL React Native Kafka Logstash OpenSearch Kubernetes Linear

AZ Group

Lead Software Developer

Nov 2023 - Nov 2025

Architected and led full-stack development of Butly AI, an enterprise-grade AI-powered customer support platform
Designed a multi-LLM orchestration layer for contextually accurate, low-latency responses
Established engineering standards, code review processes, and CI/CD pipelines

TypeScript AWS LangChain OpenAI Docker CI/CD Node.js

Wellington In Your Pocket

Cloud Engineer

Jan 2023 - Sep 2023

Designed and implemented scalable backend cloud infrastructure on AWS
Introduced automated CI/CD pipelines cutting deployment time by over 80%
Drove cloud cost optimization initiative reducing monthly AWS spend by 40%

AWS EC2 RDS CloudFront CI/CD Terraform

Fiverr

Level 2 Seller

Sep 2022 - Present

Delivered 50+ AWS infrastructure and full-stack engagements as a top-rated freelancer
Maintained consistent 5-star rating across all projects
Architected serverless solutions reducing client infrastructure costs by up to 60%

AWS Lambda API Gateway DynamoDB Serverless Node.js MERN Stack

Byte Capsule Ltd.

Operations Lead

May 2020 - Nov 2022

Led operations and technical service delivery at a cybersecurity startup
Conducted application security assessments and penetration testing for enterprise clients
Designed cybersecurity training curricula educating over 1,000 students

Penetration Testing Security Auditing OWASP Training Linux

Skills

Cloud & AWS

EC2 ECS Lambda API Gateway DynamoDB S3 CloudFront Serverless Architecture IAM VPC

Languages

TypeScript JavaScript Node.js Python PHP Bash

Frontend

React Next.js Astro HTML5 CSS3 Tailwind CSS

Backend

Express.js NestJS MongoDB PostgreSQL MySQL REST APIs GraphQL

DevOps & Infrastructure

Docker Kubernetes CI/CD GitHub Actions Terraform Linux

Security

Application Security Penetration Testing Security Auditing OWASP

AI & LLM

LLM Integration Prompt Engineering OpenAI API RAG Systems LangChain

Clients

Trusted by clients from around the world

Testimonials

"Amazing experience! Mahim did an excellent job at designing a serverless architecture for an existing front-end and back-end project and migrate it to AWS. I really appreciated his expertise, communication skills and willingness to help even more by offering a Zoom session to help configure and answer my questions. Highly recommended!"

Adrienginesty

"Mahim worked closely with me to understand my needs and deliver a working solution. Very impressed and recommended!"

James Sheen

"Very professional and helpful. He has excellent knowledge and experience on all AWS services. He did full stack serverless app for me on AWS and its amazing and he communicated with every step, will work with him again!"