Hire the Best Enterprise Software Developers
in Bangladesh

🏆 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 - Delivering nearly a 𝗱𝗲𝗰𝗮𝗱𝗲 𝗼𝗳 𝗢𝗿𝗮𝗰𝗹𝗲 𝗲𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 and 𝗼𝘃𝗲𝗿 𝟭𝟱+ 𝗽𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗰𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 across the 𝗢𝗿𝗮𝗰𝗹𝗲 𝘁𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆 𝘀𝘁𝗮𝗰𝗸 - covering development, integration, implementation, consulting, and AI-driven enterprise automation for mission-critical systems. Whether you're modernizing Oracle ERP, building enterprise web applications, integrating third-party systems, or creating AI assistants that interact securely with your data, I deliver scalable, secure, and production-ready solutions. 📊 𝗘𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝘆 𝗧𝗿𝗮𝗰𝗸 𝗥𝗲𝗰𝗼𝗿𝗱 • Performed process discovery, feasibility analysis, and solution design for automation candidates across multiple business functions. • Architected AI agent development and automation workflows using n8n and custom bots. • Integrated global CRM platforms (including NetSuite, Salesforce, and Creatio). • Designed and delivered end-to-end EBS to POS integrations for NIKE, ADIDAS, LEVI'S, and PUMA retail operations in Bangladesh (Oracle EBS R12.2.x). • Built and deployed RPA solutions in UiPath Studio + Orchestrator, improving process automation by 40% • Core team member on an Oracle Fusion Cloud Supply Planning implementation. • Developed multiple customized systems across government and enterprise clients. • Delivered inbound/outbound integrations across EBS and Fusion Cloud using OIC, VBCS, FBDI, and BI Publisher. • Completed multiple end-to-end data migration projects. • Top Rated with a 100% Job Success Score on Upwork. 🏢 𝗖𝗼𝗿𝗲 𝗔𝗿𝗲𝗮𝘀 𝗼𝗳 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 • 𝗢𝗿𝗮𝗰𝗹𝗲 𝗙𝘂𝘀𝗶𝗼𝗻 𝗖𝗹𝗼𝘂𝗱 𝗣𝗮𝗮𝗦 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: OIC, Fusion Cloud APIs, VBCS, PCS, FBDI, HDL, BI Publisher, OTBI • 𝗥𝗣𝗔 & 𝗔𝗜 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: UiPath Studio, UiPath Orchestrator, Process Discovery, n8n AI automation • 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Oracle APEX, Oracle ADF, OAF, Oracle Forms/Reports 6i–12c, PHP, Laravel • 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 & 𝗪𝗲𝗯 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: REST/SOAP APIs, Web Services, Microservices, ORDS, Oracle SOA Suite • 𝗜𝗻𝘁𝗲𝗿𝗳𝗮𝗰𝗲𝘀 & 𝗖𝗼𝗻𝘃𝗲𝗿𝘀𝗶𝗼𝗻𝘀: Standard APIs, Open Interface tables, data conversions, WebADI • 𝗢𝗿𝗮𝗰𝗹𝗲 𝗘-𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗦𝘂𝗶𝘁𝗲 (𝗘𝗕𝗦 𝗥𝟭𝟮.𝟮.𝘅): Purchasing, iProcurement, iSupplier, Sourcing, Inventory, Landed Cost Management (LCM), Order Management, Advanced Pricing, AP, AR; P2P and O2C cycles; RICEW development (Reports, Interfaces, Conversions, Extensions, Workflows) • 𝗢𝗿𝗮𝗰𝗹𝗲 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗖𝗹𝗼𝘂𝗱 (𝗢𝗜𝗖): real-time and event-driven integrations, ORDS, inbound/outbound interfaces, middleware • 𝗣𝗟/𝗦𝗤𝗟 & 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲: SQL, PL/SQL, Oracle Database 10g–19c, BI/XML Publisher, Oracle Workflow, WebLogic Server administration 📋 𝗠𝘆 𝗘𝗻𝗴𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗣𝗿𝗼𝗰𝗲𝘀𝘀 Every architecture is unique. My approach centers on deep technical assessment, clear risk identification, and structured remediation: ▪️Discovery & Architecture Audit: Map out dependencies, evaluate configuration drifts, and identify security or compliance gaps. ▪️Strategic Blueprinting: Deliver a pragmatic roadmap aligning technical execution with regulatory and operational requirements. ▪️Execution with Zero Disruption: Implement, migrate, or harden the stack using proven change-management strategies to maintain business continuity. ▪️Documentation & Knowledge Transfer: Provide clear, audit-ready SOPs and technical documentation so your internal teams can maintain operations cleanly. ✉️ 𝗟𝗲𝘁'𝘀 𝗧𝗮𝗹𝗸 If you are looking to modernize Oracle systems, integrate fragmented platforms, or build a scalable enterprise application ecosystem, I can help you design and deliver it end-to-end. Click the “𝗜𝗻𝘃𝗶𝘁𝗲” or “𝗠𝗲𝘀𝘀𝗮𝗴𝗲” button. Please include a brief summary about the current systems you need assistance with. If you have new ideas or projects, it helps to have a short summary of what the system or process needs to do.

Salesforce Architect | ERP & CRM Integration Specialist LLM Engineer | Generative AI | RAG | AI Agents I am a senior software engineer and AI integration specialist with 20+ years of experience delivering enterprise-grade software solutions, CRM/ERP implementations, cloud integrations, and AI-powered automation systems for global businesses. My expertise combines modern AI technologies with deep enterprise application experience, helping companies automate workflows, improve operational efficiency, and build scalable digital solutions. Over the years, I have worked extensively with Salesforce CRM, ERP platforms, enterprise databases, cloud infrastructure, data engineering, and business intelligence systems. Recently, I have focused heavily on Generative AI, LLM integration, Retrieval-Augmented Generation (RAG), AI agents, workflow automation, and AI-powered business systems. I specialize in building intelligent systems that connect OpenAI, LLMs, automation tools, APIs, CRM platforms, ERP systems, and enterprise applications into seamless business solutions. ━━━━━━━━━━━━━━━ 🚀 Core Expertise ━━━━━━━━━━━━━━━ ✔ Generative AI & LLM Engineering • OpenAI, GPT, Claude, Gemini integrations • RAG (Retrieval-Augmented Generation) • AI Agents & Autonomous Workflows • LoRA Fine-Tuning • AI Chatbots & AI Assistants • Prompt Engineering • AI Automation & Orchestration • Vector Databases & Embeddings • AI Integration with CRM & ERP systems ✔ Salesforce CRM Development & Architecture • Apex Development • Lightning Web Components (LWC) • Visualforce • Salesforce Flows & Automation • REST/SOAP API Integrations • Sales Cloud & Service Cloud • Salesforce CPQ • Security & Permission Models • Reports & Dashboards • Einstein AI Integration • Multi-system Integrations ✔ ERP & Enterprise Application Development • ERPNext / Frappe Framework • Workflow Automation • Business Process Optimization • Custom ERP Modules • API & Webhook Integration • Enterprise Data Synchronization ✔ Full Stack & Enterprise Development • Python, PHP, Laravel, CodeIgniter • JavaScript, ReactJS, Angular • ASP.NET, VB.NET, C# • REST APIs & Microservices • Kafka, TIBCO, Mulesoft • WebLogic & Enterprise Middleware ✔ Data Engineering & Business Intelligence • SQL, PL/SQL, PostgreSQL, T-SQL • Oracle Database Development • Google BigQuery • Azure & AWS Cloud Platforms • ETL Pipelines & Data Warehousing • SSIS, Informatica, Oracle Warehouse Builder • Power BI, SSRS, Crystal Reports • IBM Cognos Analytics ━━━━━━━━━━━━━━━ 🏆 Professional Highlights ━━━━━━━━━━━━━━━ • 20+ years of enterprise software development experience • 10+ years of Salesforce CRM implementation expertise • 21,000+ hours of successful project delivery • Delivered solutions for clients across USA, EU, Middle East, and APAC • Built AI-powered workflow automation systems for enterprise operations • Helped businesses reduce manual work, improve data visibility, and increase operational efficiency • Extensive experience in integrating AI with CRM, ERP, and enterprise ecosystems ━━━━━━━━━━━━━━━ 🎓 Salesforce Certifications ━━━━━━━━━━━━━━━ • Salesforce Certified Application Architect • Salesforce Certified Data Architect • Salesforce Certified Sharing and Visibility Designer • Salesforce Certified Administrator • Salesforce Certified Platform Developer I • Salesforce Certified Platform App Builder ━━━━━━━━━━━━━━━ 💼 What I Help Businesses Achieve ━━━━━━━━━━━━━━━ ✔ Intelligent AI-powered automation ✔ Faster and more efficient workflows ✔ CRM and ERP optimization ✔ Enterprise system integrations ✔ Better business insights through analytics ✔ Reduced manual operations ✔ Scalable and secure cloud solutions ✔ AI-enhanced customer engagement ━━━━━━━━━━━━━━━ 🤝 Why Clients Work With Me ━━━━━━━━━━━━━━━ • Strong combination of AI + Enterprise Software expertise • Deep understanding of business operations and automation • Reliable communication and fast delivery • Proven experience in large-scale enterprise systems • Focus on long-term scalable solutions • Ability to bridge technical implementation with business goals I am passionate about helping businesses modernize their operations using AI, automation, Salesforce, and enterprise technologies. If you are looking for an experienced AI engineer, Salesforce expert, ERP specialist, or enterprise integration consultant who can deliver reliable and scalable solutions, I would be happy to collaborate with you.

🏆 Upwork Top Rated Plus Developer 🏆 6+ years of experience in Java, Spring Boot, Kotlin, Python, Android 🏆 14,000+ Hours in Hourly Projects and more in Fixed Cost Projects 🏆 30+ Enterprise web applications deployed on cloud services 🏆 100+ Small POC applications delivered 🏆 100% Client Satisfaction & consistent best-quality delivery 🏆 Worked in FinTech, E-commerce, CRM, Cloud Integration, ETL, and Web API Integration 🏆 Self-motivated, detailed-oriented, punctual, and a fast learner 🏆 Strong troubleshooting/debugging skills 🏆 Help turn idea/concept into reality My expertise includes the following: ✔ Java Language and Frameworks: Java, Spring Boot, Spring Framework, JPA, Hibernate, Kotlin, Maven, Jetty ✔ Other Languages and Frameworks: JavaScript, Node, TypeScript, Python, Go ✔ Android SDK, React, Flutter, BT LE device integration, performance improvement ✔ SQL, NoSQL Databases: PostgreSQL, MySQL, Oracle, MongoDB, Redis ✔ IOT, AR/VR, Machine Learning ✔ REST API, GraphQL, Web Service, XML, JSON, HTML5, Reactjs, Bootstrap ✔ Cloud services like AWS, Google Cloud Platform, Azure, Heroku, Firebase ✔ Social Media Integration like Facebook, Twitter, and Linkedin ✔ Payment Gateway Stripe, Braintree, Paypal, Autorize.Net, Square ✔ Familiar with Asana, Basecamp, Git, SVN, Jira, Trello, Slack

Hi, I’m Ahasan Habib — a Senior Full-Stack Software Engineer, ERP Solution Architect, and AI Engineering-focused developer with 16+ years of experience building enterprise applications, ERP systems, SaaS platforms, APIs, dashboards, workflow automation, and cloud-based business solutions. I help businesses modernize their systems using Microsoft Dynamics 365 Business Central/NAV, .NET Core, ASP.NET Core, Azure, SQL Server, REST APIs, OData, Power BI, Vue.js, React, and AI-powered automation. My current focus is combining enterprise software engineering with AI Engineering, including AI chatbots, LLM integration, RAG-based knowledge systems, document automation, intelligent dashboards, AI-assisted ERP workflows, and business process automation using Azure OpenAI, OpenAI APIs, vector databases, and backend API architecture. I can help you with: AI Engineering & Automation - AI chatbot development - LLM integration with business systems - RAG-based knowledge assistant development - AI document processing workflows - AI-powered ERP and CRM automation - Prompt engineering for business applications - OpenAI / Azure OpenAI API integration - AI integration with .NET backend systems - Vector search and knowledge-base architecture Microsoft Dynamics 365 Business Central / NAV - Business Central and NAV customization - AL / C/AL development - OData and REST API integration - ERP workflow automation - NAV to Business Central migration support - RDLC and Power BI reporting - Multi-company and multi-tenant ERP architecture Full-Stack / Backend Development - ASP.NET Core and .NET Core applications - REST API and integration middleware - SQL Server/PostgreSQL database design - SaaS platform architecture - Next.js / Vue.js frontend development - Dashboards, admin panels, and workflow systems Cloud & DevOps - Microsoft Azure-based application architecture - Azure DevOps pipelines - CI/CD setup - Git / GitHub Actions - Cloud-ready enterprise system design My main strength is understanding complex business processes and turning them into scalable technical solutions. I can work with both business stakeholders and technical teams, which makes me a good fit for ERP, AI automation, SaaS, integration, and enterprise modernization projects. I am especially interested in projects where AI can improve existing business systems — for example, AI assistants for ERP users, document-based question-answering systems, automated reporting, intelligent dashboards, and workflow automation.

Hello! I’m a Senior Full Stack & AI Engineer from Bangladesh 🇧🇩 with 20+ years of hands-on experience in building high-impact applications. Over the years, I’ve worked on enterprise software, AI-powered solutions, scalable web platforms, and mobile apps that deliver real business value. 💻 What I Do Best: ✔️ Build modern full-stack applications (React, Next.js, Node.js, Python, PHP, Laravel) ✔️ Develop AI & automation workflows with OpenAI, LangChain, TensorFlow ✔️ Design mobile apps with Flutter & React Native ✔️ Implement SEO-optimized websites to drive traffic & growth ✔️ Architect scalable APIs & integrations for payments, logistics, CRM, ERP ✔️ Deploy & manage systems on AWS, Azure, GCP, Docker, Kubernetes 🌟 Why Work With Me? I blend deep technical expertise with a problem-solving mindset. Whether it’s a startup MVP or a complex enterprise system, I deliver clean, maintainable, and future-ready solutions. Clients appreciate my clarity, reliability, and ability to turn complex ideas into working products. 📈 Let’s Build Something Impactful Together! 🔧 Skills to Add on Upwork ✦ Full Stack Development ✦ React / Next.js / TypeScript ✦ Node.js / Express / NestJS ✦ Python (FastAPI / Flask / Django) ✦ PHP / Laravel ✦ API Development & Integration (REST, GraphQL, Webhooks) ✦ Mobile App Development (Flutter, React Native) ✦ AI & Machine Learning (OpenAI, TensorFlow, LangChain) ✦ SEO & Performance Optimization ✦ Database Management (PostgreSQL, MySQL, MongoDB) ✦ Cloud & DevOps (AWS, Azure, GCP, Docker, Kubernetes, CI/CD) ✦ UI/UX Collaboration (Figma, Tailwind CSS, Responsive Design)

👋 I help startups, businesses, and international clients build scalable backend systems, AI-powered applications, SaaS platforms, fintech/payment solutions, and modern full-stack software. I am a Software Engineer with 3.5+ years of industry experience, specializing in Java, Spring Boot, Python, React, AI Agents, LLM Integration, Microservices, Redis, RabbitMQ, Kafka, gRPC, SaaS, Fintech, and Payment Application Development. My focus is on building clean, secure, scalable, and production-ready software systems that solve real business problems. 🚀 Core Expertise Areas ⚙️ Backend Engineering & Architecture - Java, Spring Boot, Python - RESTful API design and development - Microservices architecture - Redis for caching and performance optimization - RabbitMQ and Kafka for messaging and event-driven systems - gRPC-based service-to-service communication - Scalable backend system design - Secure authentication with OAuth and JWT - Clean, maintainable, and performance-focused code 🤖 AI Agents & LLM Integration - AI agent development - LLM integration into backend systems - AI-powered automation tools - Chatbot and assistant-based systems - AI workflow development - Backend services enhanced with AI capabilities 💳 SaaS, Fintech & Payment Development - SaaS platform development - Fintech and payment application development - Payment workflow development and integration - Business dashboards and admin panels - User management and role-based access - Secure and scalable API ecosystems 🌐 Frontend Development - React frontend development - Responsive and user-friendly interfaces - API integration with backend systems - Dashboard and admin panel UI development 🛠️ DevOps, Databases & Deployment - Docker, Linux servers, CI/CD pipelines - Cloud-ready application deployment - PostgreSQL, MySQL, MSSQL, Oracle, MongoDB - Backend performance optimization - Long-term maintenance and system improvement 🧠 AI Development Tools I Use I am proficient with modern AI-assisted development tools, including: - Codex - Claude Code - OpenCode - Gemini CLI 🌍 Open-Source Contributions I also contribute to open-source projects, including: - OpenClaw / ClawdBot - PyTorch ✅ Systems I Can Help You Build - AI agents and LLM-powered applications - SaaS platforms - Fintech and payment applications - Java Spring Boot backend systems - Python backend services - Microservices-based applications - API-driven business platforms - React dashboards and admin panels - Event-driven systems using RabbitMQ or Kafka - High-performance backend communication using gRPC - Scalable systems using Redis caching ✅ What I Help Clients Achieve - Build scalable and secure backend systems - Integrate AI and LLMs into real applications - Develop SaaS, fintech, and payment platforms - Improve backend performance and architecture - Build clean REST APIs and microservices - Create reliable full-stack business applications - Turn product ideas into production-ready software 🧩 Skills Java, Spring Boot, Python, React, AI Agents, LLM Integration, SaaS Development, Fintech Development, Payment Application Development, Backend Development, Full-Stack Development, Microservices, REST API, API Integration, gRPC, Redis, RabbitMQ, Kafka, PostgreSQL, MySQL, MSSQL, Oracle, MongoDB, Docker, Linux, CI/CD, OAuth, JWT, Codex, Claude Code, OpenCode, Gemini CLI. ⭐ Why Clients Hire Me - I build complete solutions, not just isolated features - Strong backend and full-stack engineering experience - Experience working with international business clients - Ability to integrate modern AI tools into real software systems - Focus on clean code, scalability, security, and production readiness - Comfortable working on both new product development and existing system improvement 🎯 Ideal Projects I Work On - Java Spring Boot backend development - LLM integration into SaaS or business applications - Python backend development - Fintech and payment application development - SaaS platform development - Microservices architecture - AI agent development - API development and integration - React frontend development - Backend performance optimization If you need a reliable software engineer to build scalable backend systems, AI-powered tools, fintech/payment applications, or SaaS platforms, I can help you design, develop, and deliver it properly.