Toufique-E-Elahi

Hi, I'm Sarker Toufique-E-Elahi

Available for new opportunities

Full-stack engineer with data and AI expertise.

I create complete software systems—from RESTful APIs and responsive web interfaces to ETL pipelines and data warehouses. Whether it's full-stack web platforms, AI-powered applications, or business intelligence dashboards, I build solutions that work.

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Selected Work

A curated collection of technical solutions driving business value.

Web AppsFeatured

Office Management & CRM Suite

Designed a complete office management ecosystem that transformed how organizations handle their daily operations. At its core is an intelligent contact management system—but this goes far beyond a simple address book. The application features smart appointment scheduling with calendar visualization, allowing teams to coordinate meetings effortlessly. Schedule conflicts are detected automatically, and participants receive instant notifications. The dashboard provides a real-time overview of daily activities, upcoming appointments, and dispatch metrics. The standout innovation is the OCR-powered business card scanner. Networking events generate stacks of business cards that typically end up forgotten in drawers. This feature allows users to simply photograph or scan a card, and the system automatically extracts names, emails, phone numbers, and addresses—populating the contact database in seconds. It eliminated hours of manual data entry while ensuring no valuable connection was ever lost. Built with a RESTful API architecture, the system is scalable and maintainable, with comprehensive CRUD operations for contacts, appointments, and organizational data.

DjangoDjango REST FrameworkPostgreSQLReactTailwind CSSTesseract OCR
Web AppsFeatured

Community Sports League Manager & Analytics Portal

Built a comprehensive web application that digitizes the complete lifecycle of community football league management. This platform moves beyond simple scorekeeping to provide a full ecosystem for managing player rosters, generating balanced teams, recording live match events, and automatically calculating detailed player statistics. The system features a robust match setup interface where administrators manage player rosters and utilize an intelligent team generation algorithm that creates balanced teams from available players. For maximum flexibility, manual team assignments are also supported for specific match scenarios. During live matches, the real-time scoring interface allows administrators to track the game as it unfolds. Every goal, assist, and own goal is recorded with player attribution. The scoreboard updates instantly, and all match data is persisted to the database upon completion. The true power emerges in the automated statistical analysis engine. The system aggregates data from all match logs to calculate comprehensive statistics for every player—matches played, wins, draws, losses, goals, and assists. These metrics are visualized through dynamic leaderboards highlighting top goalscorers, playmakers, and players with the highest win rates. The platform includes a searchable match history archive with detailed breakdowns of team compositions and scores. An 'Add Past Match' feature allows administrators to retroactively input offline game data, ensuring the historical database remains complete. Secure authentication and admin controls protect data integrity while managing user access. Live demo: https://www.football.betheone.dev/

FastAPIPostgreSQLReact
AI Engineering

AI Content Generation Platform

Created a SaaS platform that transforms content creation from a time-consuming challenge into a guided, intelligent process. WriteNext leverages generative AI to help marketers and entrepreneurs move from initial concept to polished, SEO-optimized articles. The application implements a sophisticated four-stage workflow. Users begin by defining their topic and content style—whether technical deep-dive, engaging blog post, or breaking news analysis. The AI then suggests strategic keywords based on search trends and semantic relevance, ensuring the final piece will reach its target audience. What makes WriteNext unique is its structural intelligence. Before generating content, the system proposes a detailed outline with headings and subheadings. Users can refine this architecture, adding sections or reordering topics to match their vision. This ensures the AI produces exactly what's needed—not generic content, but thoughtfully structured articles that align with the user's goals. The platform includes subscription management with tiered pricing, PDF export functionality, and a modern, intuitive interface built with React. It demonstrates full-stack capabilities from AI integration to payment processing to responsive frontend design.

FastAPIOpenAI APIPostgreSQLReactStripeTailwind CSS
Data EngineeringFeatured

Deposit and Loan Analytics Platform

Built a comprehensive business intelligence solution for a leading non-banking financial institution to transform how they understood their core portfolio. The challenge was clear: scattered data across multiple systems made it nearly impossible to answer fundamental questions about deposit patterns and loan performance. I architected an end-to-end data pipeline that unified information from Oracle and SQL Server databases, designing ETL workflows in SSIS that automatically cleaned and structured millions of transaction records. The real breakthrough came in creating a multi-dimensional data model that allowed stakeholders to slice their portfolio in ways they never could before—by product type, customer demographics, geographic sectors, and temporal trends. The final Power BI dashboards became the strategic nerve center for the organization. Branch managers could now see real-time deposit flows, identify high-performing loan products, and spot emerging risks before they materialized. What once required weeks of manual analysis now happened in seconds, enabling data-driven decisions that directly improved portfolio health and customer targeting strategies.

SSISSSASPower BIOracleMS SQL ServerDAX
Data EngineeringFeatured

Cash Flow Intelligence System

Banks face a delicate balancing act: maintain enough cash at each branch to serve customers without tying up excessive capital. This project solved that puzzle by creating a predictive cash flow analytics platform for a multi-branch banking network. The system ingested daily transaction data from dozens of branches, tracking every deposit, withdrawal, and transfer. Through carefully designed ETL processes, I transformed this raw data into meaningful patterns—identifying peak withdrawal times, seasonal trends, and location-specific behaviors. The interactive dashboards I built gave branch managers unprecedented visibility into their cash positions. They could forecast next week's needs based on historical patterns, compare their branch's performance against network averages, and receive automated alerts when cash levels approached critical thresholds. The result was dramatically improved cash availability for customers while reducing the operational costs of emergency cash transfers between branches.

SSISPower BIMS SQL ServerDAX

Professional History

A timeline of solving complex problems and delivering scalable solutions.

September 2024 - Present

Software Engineer

Fintech Hub Ltd

Leading the integration of AI technologies into core financial products, focusing on intelligent automation and predictive analytics. Architecting high-performance RESTful APIs using Django, Flask, and FastAPI to power backend systems serving real-time financial data. Collaborating with cross-functional teams to translate complex business requirements into scalable technical solutions that enhance product capabilities and user experience.

July 2024 - August 2024

Junior Software Engineer

Fintech Hub Ltd

Engineered robust ETL pipelines using SSIS and SSAS to consolidate financial data from Oracle and MS SQL Server databases. Developed interactive Power BI dashboards that visualized deposit and loan trends across multiple dimensions—products, sectors, and customer demographics. These analytics tools empowered stakeholders to monitor portfolio performance and make data-driven strategic decisions with confidence.

November 2022 - June 2024

Junior Software Engineer

Leads Corporation

Partnered directly with clients to translate business challenges into specific data requirements. Designed and built scalable ETL workflows that populated data warehouses with cleansed, structured datasets ready for analysis. Presented findings to key stakeholders through compelling data visualizations, effectively communicating insights that addressed their core business questions and drove operational improvements.

August 2022 - October 2022

Data Engineering Intern

Leads Corporation

Gained foundational expertise in Multi-Dimensional Logical Data Modeling (MDLDM) principles for efficient data warehouse schema design. Acquired hands-on experience with industry-standard ETL tools, learning to build automated data pipelines that ensure data quality and consistency. This internship provided the practical foundation for understanding how data flows through modern analytics architectures.

Education

Academic foundations and continuous learning.

Bachelor of Science in Computer Science and Engineering

American International University-Bangladesh (AIUB)
2017 - October 2021

Graduated with Summa Cum Laude distinction (CGPA: 3.96/4.00). Received Dean's List Honors from the Faculty of Science and Technology and Tuition Waiver Scholarship for Academic Excellence. Completed comprehensive coursework in data structures, algorithms, database systems, machine learning, and software engineering. Developed strong foundation in both theoretical computer science and practical application development through numerous academic projects.

Higher Secondary Certificate (H.S.C) in Science

Dhaka College
2014 - 2016

Achieved perfect GPA of 5.00/5.00 in Science group, demonstrating excellence in mathematics, physics, chemistry, and biology. This strong foundation in analytical thinking and problem-solving proved instrumental in subsequent computer science studies.

Secondary School Certificate (S.S.C) in Science

Dhanmondi Government Boys' High School
2009 - 2014

Graduated with perfect GPA of 5.00/5.00 in Science group. Active member of the school football team, developing teamwork and leadership skills. This period established early passion for both academics and sports that continues to shape work-life balance approach.

Technical Arsenal

My expertise covers backend systems, data infrastructure, and frontend development. From ETL pipelines processing millions of records to AI-powered web applications, I build technical solutions with equal attention to performance, user experience, and code maintainability.

Currently learning how to effectively integrate AI capabilities into existing workflows and data systems.

Python Development

Versatile Python developer with expertise across multiple frameworks. Build robust backend APIs using Django, Flask, and FastAPI with focus on RESTful design principles. Experienced in data manipulation with pandas and NumPy, automation scripting, and integrating third-party services. Comfortable with both synchronous and asynchronous programming patterns.

Business Intelligence

Expert in transforming raw data into strategic insights through comprehensive BI solutions. Proficient in designing star and snowflake schemas, building automated ETL pipelines with SSIS, and creating interactive dashboards in Power BI. Experienced with DAX for complex calculations and advanced analytics across multi-dimensional data models.

Data Engineering

Specialized in architecting scalable data pipelines that process high-volume datasets efficiently. Skilled in modern data stack tools including Snowflake, Apache Airflow, and dbt for building maintainable data warehouses. Strong foundation in both batch and streaming data processing, ensuring reliable data flows from source systems to analytics platforms.

AI Integration & Automation

Experienced in integrating AI capabilities into production applications through modern APIs and automation platforms. Built generative AI features using OpenAI's GPT models, with focus on prompt engineering to deliver reliable, contextual responses. Proficient in n8n for designing intelligent automation workflows that connect AI services with business systems. Strong foundation in machine learning concepts from academic studies, with current emphasis on practical AI implementation rather than model development. Skilled at translating AI capabilities into user-facing features that solve real business problems.

API Development

Design and implement RESTful APIs following industry best practices for authentication, versioning, and documentation. Experienced with OAuth2 flows, JWT tokens, and secure endpoint design. Skilled in API testing with Postman and building comprehensive OpenAPI specifications for clear communication with frontend teams and external consumers.

Frontend Development

Create responsive, user-centric interfaces using modern web technologies. Proficient in React for building component-based applications with state management. Skilled in Tailwind CSS for rapid, maintainable styling and ensuring consistent design systems. Focus on accessibility, performance, and delivering intuitive user experiences.

Database Management

Deep expertise across multiple database systems including PostgreSQL, MySQL, MS SQL Server, and Oracle. Design normalized schemas, write optimized queries, and implement stored procedures for business logic. Experience with both relational and modern cloud data warehouses like Snowflake and BigQuery for different use cases.

Linux & Cloud Operations

Proficient in Linux operating systems for development and deployment environments. Experienced with Docker containerization for creating consistent, portable application packages. Capable of deploying applications to cloud platforms with focus on reliability and proper configuration. Comfortable with command-line tools, shell scripting for automation, and troubleshooting server-side issues. Practical knowledge of CI/CD concepts and infrastructure management supporting the full application lifecycle from development to production.

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