About

Software developer with over 10 years of experience in backend engineering and data-focused solutions within the hospitality and travel industry. Passionate about building data-driven web applications, leveraging AI technologies, and solving real-world industry challenges.

  • Birthday: 18 December
  • Phone: +8801915106539
  • City: Khulna
  • Email: sany2k8@gmail.com

Interests

Software Development

Data Engineering

Machine Learning

Natural Language Processing

Software Engineering

Visualization

DevOps

Image Processing

Education

BSc. in Computer Science

Relevant Coursework
  • Distributed Database Systems
  • Cloud Computing
  • Foundation Of Algorithms
  • Computer Networks
  • Computer Architecture
  • Machine Learning

Higher Secondary

Relevant Coursework
  • Mathematics
  • Physics
  • Chemistry
  • English
  • Bengali
  • Social Science

Secondary

Relevant Coursework
  • Mathematics
  • Physics
  • Chemistry
  • English
  • Bengali
  • Social Science

Online Certification

Processing Text with Python

Docker Essentials: A Developer Introduction

Advanced SQL for data scientists

Algorithmic Toolbox

Cloud Services with AWS

Python for Data Science

Neural Networks and Deep Learning

Neural Networks and Deep Learning

Neural Networks and Deep Learning

Experience

Bitsware Ltd

August 2025 - Present

Software Engineer L4 — Backend

  • Developed and maintained Python-based cron jobs and batch-processing workflows, using Quartz and BOB Monitor for job monitoring and operational troubleshooting.
  • Performed data migration and processing with Impala, Hadoop, Hue, and Python scripts, including data transformation and validation.
  • Tech Stack: Python, Flask, Oracle, SQL, Impala, Hadoop, Hue, BOB Monitor, Cron Jobs, Data Migration.

Safara (formerly Skipper)

May 2021 - July 2025

Senior Software Engineer — Backend

  • Architected and delivered a feature-rich Content Management System (CMS) using Django and GraphQL, optimized data models and query performance, ensuring efficient content management and faster data retrieval while supporting future scalability.
  • Designed and implemented multiple microservices and RESTful APIs for booking widgets, enabling real-time, dynamic content delivery to thousands of users and improving system responsiveness.
  • Led the development of a high-throughput gRPC service to streamline communication between client services, significantly improving data exchange speed, reliability, and overall system performance.
  • Engineered cost-efficient serverless workflows with AWS Lambda for automated image, file, and video resizing, reducing storage and bandwidth costs while delivering optimized media through S3 buckets with minimal latency.
  • Developed and deployed a robust API rate limiting mechanism using FastAPI and Redis, boosting application resilience under heavy traffic and controlling infrastructure costs by managing resource usage efficiently.
  • Migrated and centralized logging from AWS CloudWatch to Datadog, improving observability and troubleshooting speed while cutting monitoring costs and unifying logs across multiple services.
  • Built and maintained a streamlined CI/CD pipeline with GitHub Actions, reducing release times and deployment errors, accelerating time-to-market, and improving team productivity.
  • Collaborated cross-functionally on infrastructure and DevOps tasks, using Terraform and Ansible to deliver scalable, cost-effective, and secure deployments with automation best practices.
  • Tech Stack: Python, FastAPI, Django, gRPC, PostgreSQL, Redis, Docker, Terraform, GitHub Actions, ClickUp, Kreya, VS Code, AWS (ECR, ECS, Lambda, RDS, ElastiCache, CloudWatch, CloudFront, Route 53, DynamoDB, EventBridge).

W3 Engineers Ltd.

Jan 2014 - Mar 2021

Senior Software Engineer

  • Core developer and maintainer of OZ, a high-volume backend analytics system managing millions of user interactions, inventories, transactions, ad revenue, and spend for 17+ major vacation rental brands — delivered reliable, data-driven insights while optimizing system performance and storage costs.
  • Designed and built an Automated Bidding System using PHP and the Google AdWords API, driving significant ad spend efficiency and campaign ROI improvements for internal teams.
  • Developed a Recommendation Engine using collaborative and content-based filtering, boosting user engagement, conversion rates, and booking revenue by delivering more relevant property suggestions.
  • Built a smart Search Tweaking System (STS) to dynamically adjust search content based on user location and feed segments, resulting in more personalized user experiences and higher retention rates.
  • Spearheaded a backend migration from AWS Elasticsearch to PostgreSQL, cutting infrastructure costs while improving query speed and performance through indexing and advanced optimization techniques.
  • Contributed to building a robust cron system, ETL pipelines, and data processing workflows, ensuring timely, efficient data delivery that powers multiple high-traffic travel websites via secure APIs.
  • Tech Stack: PHP, JavaScript, Python, FastAPI, MySQL, Elasticsearch, PostgreSQL, Celery, GraphQL, Jira, Postman, PyCharm, AWS (DynamoDB, RDS, S3, EC2, Athena, OpenSearch, Route 53, ElastiCache, Redshift).

Pirala Inc.

Nov 2013 - Dec 2013

Junior Software Developer

  • Developed custom WordPress themes from scratch using HTML, CSS, PHP, and MySQL — delivering responsive, high-performance websites that improved load times and user experience for clients.
  • Built and deployed a RESTful API with Node.js and Express.js, enabling efficient internal data integration and faster data flow across systems.
  • Created an internal dashboard using PHP, JavaScript, and MySQL, providing stakeholders with real-time insights and better decision-making capabilities while optimizing database queries for speed.
  • Collaborated closely with senior engineers to develop and maintain an in-house software solution across multiple platforms, learning best practices in performance tuning and cost-effective scaling.
  • Tech Stack: PHP, JavaScript, Node.js, Express.js, HTML, CSS, MySQL, WordPress.

Projects

  • All
  • Backend
  • Full Stack
  • AI / RAG
  • Cloud & DevOps
  • Data Engineering
99 Names of Allah 3D Galaxy Full Stack

99 Names of Allah — 3D Galaxy

An immersive WebGL galaxy of the 99 names with audio, AI reflections and progress tracking.

ReactThree.jsWebGL
Details Code
Resume Intelligence Platform AI / RAG

Resume Intelligence Platform

AI hiring tool that parses résumés and ranks candidates with semantic scoring and skill matching.

FastAPIspaCyReact
Details Code
ReelRoom Movie App Full Stack

ReelRoom Movie App

A private, PIN-gated movie & series streaming app for a single household.

ReactExpressSQLite
Details Code
Suncloud Labs Platform Cloud & DevOps

Suncloud Labs Platform

KodeKloud-style sandboxed Docker labs graded by server-side validation.

FastAPIReactDocker
Details Code
Places Finder with PostGIS Backend

Places Finder (PostGIS)

Map-based POI search with A* routing over the Bangladesh OSM road network.

FastAPIPostGISLeaflet
Details Code
Multimodal Product Recommender AI / RAG

Multimodal Product Recommender

Text + image similarity search on pgvector with pluggable embedding providers.

FastAPIpgvectorReact
Details Code
Elasticsearch to Postgres Data Engineering

Elasticsearch to Postgres

PoCs replacing Elasticsearch with Postgres for BM25 full-text and PostGIS geo search.

FastAPIpg_searchPostGIS
Details Code
FastAPI RAG Chatbot AI / RAG

FastAPI RAG Chatbot

Retrieval-Augmented Generation document Q&A grounded in your own data.

FastAPILLMVector DB
Details Code
DeepL FastMCP Python Server Backend

DeepL Translation with MCP

An MCP server exposing DeepL translation as tools any AI assistant can call.

PythonFastMCPDeepL
Details Code
Kafka Zero to Hero Data Engineering

Kafka Zero to Hero

Hands-on Kafka lab: event-driven fan-out, stream processing and event sourcing on an order pipeline.

KafkaFastAPIPython
Details Code
gRPC Zero to Hero Backend

gRPC Zero to Hero

End-to-end gRPC patterns — all four RPC types, interceptors, TLS, load balancing and health checks.

gRPCPythonProtobuf
Details Code
Movie Recommender AI / RAG

Movie Recommender

A movie recommendation engine that suggests titles from user preferences and ratings.

PythonMLRecommender
Details Code

Skills

Backend Engineering

Python FastAPI Django Flask gRPC PHP REST APIs Microservices

Data & Storage

PostgreSQL MySQL Redis Elasticsearch MongoDB Impala

Distributed Systems

Apache Kafka Event-Driven Architecture Background Processing Caching Rate Limiting

Cloud & DevOps

AWS Google Cloud Docker Kubernetes Terraform Ansible Argo CD GitHub Actions CI/CD

AI / LLM Engineering

RAG MCP Embeddings Vector Search Semantic Search pgvector PostGIS

Frontend

React TypeScript JavaScript HTML5 CSS3

Observability & Testing

ELK Stack Datadog Postman Git Integration Testing API Testing

Resume

Back to Portfolio Download PDF

Professional Summary

Senior Software Engineer with over 10 years of experience designing scalable backend systems, microservices, and cloud-native applications. Skilled in Python, FastAPI, JavaScript, PostgreSQL, Docker, Redis, AWS, REST, Terraform, gRPC, and data engineering. Proven track record of developing high-performance APIs, cloud infrastructure, automated deployment pipelines, and reliable data platforms.

Technical Skills

LanguagesPython, PHP, JavaScript, SQL
Frameworks & APIsFastAPI, Flask, Django, React, gRPC, REST
Databases, Cache & SearchPostgreSQL, MySQL, MongoDB, Redis, Elasticsearch, Apache Kafka, Impala
Cloud & DevOpsAWS (RDS, S3, EC2, ECS, ECR, Lambda, CloudWatch, CloudFront, EventBridge, Athena, Redshift), GCP, Docker, Kubernetes, Terraform, CI/CD, GitHub Actions
AI / LLM EngineeringRAG, MCP, Embeddings, Vector Search, Semantic Search, PgVector, PostGIS
Observability & TestingELK Stack, Datadog, Git, Integration Testing, Functional Testing, API Testing

Professional Experience

Software Engineer L4 — Backend, Bitsware Ltd August 2025 – Present
  • Developed and maintained Python-based cron jobs and batch-processing workflows, using Quartz and BOB Monitor for job monitoring and operational troubleshooting.
  • Performed data migration and processing with Impala, Hadoop, Hue, and Python scripts, including data transformation and validation.
Tech Stack: Python, Flask, Oracle, SQL, Impala, Hadoop, Hue, BOB Monitor, Cron Jobs, Data Migration
Senior Software Engineer — Backend, Safara (formerly Skipper) May 2021 – July 2025
  • Designed and delivered scalable backend services using Python, FastAPI, and gRPC, enabling faster inter-service communication.
  • Implemented Redis-based API rate limiting and caching, improving application performance and resilience under heavy traffic.
  • Developed microservices and serverless AWS Lambda workflows for media content processing.
  • Built automated CI/CD pipelines with GitHub Actions to improve scalability and deployment reliability.
Tech Stack: Python, FastAPI, Django, gRPC, PostgreSQL, Redis, Docker, Terraform, GitHub Actions, AWS (ECR, ECS, Lambda, RDS, ElastiCache, CloudWatch, CloudFront, Route 53, DynamoDB, EventBridge)
Senior Software Engineer — Backend, W3 Engineers Ltd. Jan 2014 – Mar 2021
  • Developed OZ, a high-volume analytics platform handling millions of events and transactions.
  • Built a Search Tweaking System for location- and segment-based personalization, improving user retention and search relevance.
  • Migrated search and analytics workloads from Elasticsearch to PostgreSQL, improving query performance and reducing infrastructure costs by 23%.
  • Developed cron-based automation and ETL pipelines that power multiple high-traffic travel websites via secure REST APIs.
Tech Stack: PHP, JavaScript, Python, FastAPI, MySQL, Elasticsearch, PostgreSQL, AWS (DynamoDB, RDS, S3, EC2, Athena, OpenSearch, Route 53, ElastiCache, Redshift), Jira, Postman
Junior Software Developer, Pirala Inc. Nov 2013 – Dec 2013
  • Developed custom WordPress themes from scratch using HTML, CSS, PHP, and MySQL — delivering responsive, high-performance websites.
  • Built and deployed a RESTful API with Node.js and Express.js for efficient internal data integration.
  • Created an internal dashboard using PHP, JavaScript, and MySQL, giving stakeholders real-time insights while optimizing database queries.
Tech Stack: PHP, JavaScript, Node.js, Express.js, HTML, CSS, MySQL, WordPress

Education

B.Sc. in Computer Science — CGPA 3.72
Jashore University of Science and Technology, Bangladesh

Contact

Address

Khulna, Bangladesh

Email

sany2k8@gmail.com

Phone

+8801915106539

WhatsApp

+8801915106539

GitHub

sany2k8

StackOverflow

1138192

LinkedIn

md-sany-ahmed-9ab00745

LeetCode

sany2k8dev