Sany Ahmed

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

ReformedTech

May 2021 - Present

Lead Software Developer

• 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 - Feb 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.

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