AI-Enabled Backend & Full-Stack Engineer

PRANTESH RAYMAHAPATRA

Software Engineer

Kolkata, India 869-***-**** ************@*****.*** LinkedIn PROFESSIONAL SUMMARY

Software Engineer with 4+ years of experience in backend development, AI system integration, and technical team leadership. Delivers production web applications in PHP (Laravel) and Python. I also have hand in experience in OpenAI models like GPT-5.4 and building RAG architecture with MongoDB embedding pipeline for semantic retrieval. Experienced in leading teams of up to 20 and managing cross-functional engineering initiatives. SKILLS

Programming Languages: Python, PHP, Laravel

Frontend: HTML, CSS, JavaScript, AJAX, Bootstrap

AI / LLM Integration: OpenAI GPT-5.4 and GPT-3.5-turbo, MongoDB vector embeddings, Claude Agents, GitHub Copilot

Databases: MySQL (MySQL Workbench, phpMyAdmin, DBeaver), MongoDB APIs & Architecture: RESTful API design, FastAPI, microservices Tools: VS Code, Google Colab

Version Control: Git (GitHub, GitLab)

WORK EXPERIENCE

Dreamztech Solutions, Kolkata Apr 2025 – Current

Software Engineer

• Architected an AI-based legal document verification system covering all 50 U.S. states, integrating GPT-5.4 with a MongoDB embedding pipeline for semantic retrieval.

• Engineered a microservice-based image processing layer handling 1,000+ requests per day between PHP applications and Python services.

• Implemented 10+ image processing workflows, reducing manual processing time by approximately 60%.

• Implemented Worldpay payment processing to support transaction handling for end users.

• Developed and maintained 20+ RESTful APIs, enabling secure, scalable communication between backend services and frontend applications.

Freeflow Ventures, Kolkata Mar 2024 – Apr 2025

Full Stack Developer

• Refactored 20+ backend modules on a Laravel-based healthcare platform, improving code maintainability and enforcing coding standards.

• Built 15+ responsive frontend features using HTML, CSS, JavaScript, and AJAX, enhancing user experience across multiple modules.

• Created 10+ reusable Laravel Livewire components, reducing development effort for new features by approximately 30%.

• Maintained application uptime, resolving production issues to support uninterrupted healthcare platform operations.

Everblink Healthcare Private Limited Apr 2022 – Jan 2024 Senior Software Developer Oct 2022 – Jan 2024

• Optimized code across an HRM Management System, Customer Management System, and Project Management System, improving performance and usability.

Assistant Technical Manager Apr 2022 – Oct 2022

• Directed scheduling for 60–80 concurrent technical assignments per day, consistently meeting delivery deadlines.

• Onboarded and trained 25–30 incoming technical writers on role expectations and growth paths.

• Partnered with technical instructors to improve delivery and workforce-management practices.

• Contributed to company-wide initiatives supporting business growth. Royal Research, Kolkata Aug 2019 – Apr 2022

Assistant Technical Instructor Aug 2021 – Apr 2022

• Led a team of 20 technical writers across projects in web development, Python-based data visualization, Tableau, and ethical hacking (Kali Linux).

Floor Coordinator Apr 2021 – Aug 2021

• Coordinated daily workflows across 12 cross-functional teams and management levels.

• Streamlined inter-departmental communication by establishing recurring coordination meetings. Team Leader Nov 2020 – Apr 2021

• Coached a team of 5 through regular one-on-one performance feedback, maintaining on-time delivery and consistent quality standards.

• Identified process gaps and implemented solutions for 100% mitigation.

• Ensured adherence to established procedures and performance benchmarks across the team. Senior Academic Researcher Oct 2020 – Nov 2020

• Elevated research quality through data collection and analysis practices. Academic Researcher Aug 2019 – Oct 2020

• Produced 90+ research reports, maintaining high accuracy and consistency across projects. PROJECTS

• Legal Document Verification Platform: Built an AI engine combining GPT-5.4 semantic analysis and MongoDB vector embeddings to validate documents against all 50 U.S. state statutes.

• Cross-Service Image Pipeline: Architected a FastAPI-based microservice layer to decouple image processing from core application logic, enabling independent scaling of PHP and Python services.

• In-Store Ordering APIs: Developed RESTful APIs for a tablet- and mobile-based in-store ordering system, enabling real-time order processing and backend synchronization.

• Payment Processing Integration: Integrated the Worldpay payment gateway into a production application to enable secure, reliable transaction processing for end users.

• Healthcare Portal: Delivered a full-stack healthcare web portal with a Laravel 10 and Livewire backend, an HTML, CSS, JavaScript, and AJAX frontend, and a MySQL data layer.

• Customer Management System: Built an end-to-end customer management system with a Python/Django backend and a JavaScript, AJAX, HTML5, CSS3, and Bootstrap frontend.

• Project Management System: Engineered a project management system combining a Python/Django backend, GPT-3.5-turbo-powered text automation, and a JavaScript, AJAX, HTML5, CSS3, and Bootstrap frontend. EDUCATION

Bachelor of Technology (B.Tech)

Techno Engineering College Banipur (Techno India Banipur), Kolkata — Score: 7.71 CERTIFICATIONS

DevOps Certification (June 2024)

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