Hire the Best Database Development Freelancers
in Bangladesh

🔎 Need top-notch professionals? I specialize in ✅ LinkedIn Lead Generation, ✅ Lead List Building, ✅ Lead Generation (LinkedIn, B2B, and B2C), ✅ Prospect List Building, ✅ Email List Building, ✅ Email Sourcing, ✅ Data Entry, ✅ Data Scraping, ✅ Lead Qualification, ✅ Data Formatting, ✅ Lead Nurturing, ✅ Market Research, ✅ Contact Discovery, ✅ CRM Management (Salesforce, AirTable, HubSpot, Mailchimp, etc.), ✅ Data Enrichment, ✅ Customer Segmentation, ✅ Research Services, ✅ Data Mining, ✅ Database Creation, ✅ Valid and Verified Email Addresses, ✅ LinkedIn Research, ✅ Real Estate Lead Generation, ✅ B2B Sales Lead Generation, ✅ Data Extraction, ✅ Accuracy Verification, and ✅ Admin Support. Count on my proven track record for high-quality work in various industries. Let's elevate your business together! ✨ Services Offered: 🗂️ Contact & Research📬 Data & List Management 🌐 Company, product, & contact research 📑 Prospect & lead list building🔍 Influencer & investor research 📨 Email list generation 💼 LinkedIn research 🧹 Data cleaning for prospect/customer databases📧 Email sourcing 📂 Database creation & updating🤖 Virtual & personal assistant tasks 📊 Data entry, mining & scraping (online/offline)👩‍💼 Admin support 📋 Lead list & LinkedIn Premium research 🧰 CRM software (Salesforce, HubSpot, etc.) ✔️ Verified & valid email addresses 🛠️ Technical Expertise 🎯 Specialized Lead Generation📝 Data formatting 🏠 Real estate lead generation📊 Database building & scraping 🎯 B2B & B2C email database lead generation 🔄 Updating & refreshing expired data ✅ Accuracy verification 🧮 MS Office & Google Docs/Sheets expertise 🌟 Tools Used: I use tools 🛠️ to ensure accurate and verified contact information, including 🔗 LinkedIn Sales Navigator, 🛠️ SalesQL, 🔍 Skrapp.io, 🧩 Kendo, 🌐 Lusha, 📊 GetProspect, 📧 Rapportive, 🧪 Mail-tester, 🚀 Apollo.io, ✅ Neverbounce for email verification, 📋 Google Spreadsheet, and 📄 Google Docs. 🌟 Skills and Qualifications: 🔎 Keen attention to detail and precision 🧩 Strong analytical and problem-solving abilities ⏳ Excellent multitasking and time management skills 🤝 Clear communication and team collaboration 📊 Proficient in Microsoft Office and Google Docs/Sheets 🌍 Experienced with web research, LinkedIn lead generation 💻 Skilled virtual assistant experience 💯 Your Success, Our Priority: 💼 Personalized approach aligned with your goals 🎯 Precision targeting for impactful results 🏆 Top-notch quality work and support 🤝 Open communication throughout the project 🚀 Together, let's propel your business to new heights 🏆 Top-Rated Upwork Contractor 🥇Super FAST communication 🎯FAST turnaround🎓3+ Years of experience 🎯99% Returning clients. 🚀 WHY CHOOSE ME OVER OTHERS? 💡 Precision Targeting – I don’t just collect leads; I find your ideal buyers. ⚡ Lightning-Fast Results – Need a list ASAP? I deliver without compromising quality. 🔒 98%+ Email Deliverability – No bounces, only responsive leads. 📈 Sales-Boosting Data – Lists optimized for cold email, LinkedIn outreach & ads. 🤝 Reliable Partner – Consistent communication & hands-on support. 💬 CLIENT LOVE: Hired him 5+ times—always delivers perfect lists faster than expected! Best lead gen freelancer I’ve worked with—conversion rates skyrocketed! Extremely detail-oriented, saved us hundreds of hours in prospecting! 👉 Let’s discuss how I can help you WIN more deals! Send me an invite, and let’s get started.

Hello! I’m Badhon Ashfaq, a Senior .NET Backend Engineer with 13+ years of experience building scalable SaaS platforms and cloud-native solutions on Azure. I’ve helped startups and global enterprises like UNICEF and Barclays deliver secure, high-performance systems that run reliably at scale. If you need a secure backend, resilient APIs, or cloud automation that works, I’m the person to call. Core Expertise:- ⚡ Backend & APIs → ASP.NET Core 6–8, REST, gRPC ☁️ Azure Solutions → Functions, App Services, Storage, AD B2C, Durable Functions 🗄️ Databases → MSSQL, PostgreSQL, Cosmos DB, MySQL, Oracle 🧩 Architecture → Microservices, DDD, Clean Architecture, CI/CD pipelines 👨‍💻 Leadership → Remote team management, Agile delivery, code reviews Highlights:- 🚀 Improved SaaS API performance by 45% and reduced latency by 40% 🏦 Delivered enterprise-grade systems for UNICEF, Barclays, SandBS CyberSecurity 🔄 Integrated 20+ third-party APIs (Stripe, Twilio, JasperAI, CoreLogic) 📈 Led migration projects to Azure → reducing infra cost by 30% Why Work With Me ✅ Azure Certified Architect (Cloud-native & serverless systems) ✅ Proven record of 99.9% uptime, enterprise-grade reliability ✅ Strong communicator → clear updates, no missed deadlines ✅ Trusted by global SaaS & fintech teams 💬 Client Feedback: “Ashfaqbadon was very easy to communicate with, highly capable, and went above and beyond to deliver a complex project ahead of schedule.” 📌 Let’s build something exceptional together — message me to discuss your project.

🏆𝗧𝗼𝗽-𝗿𝗮𝘁𝗲𝗱 𝗽𝗹𝘂𝘀 (𝗨𝗽𝘄𝗼𝗿𝗸 𝗧𝗼𝗽 𝟯%) | 𝟭𝟬𝟬+ 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗲𝗱 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 | 𝗧𝗿𝘂𝘀𝘁𝗲𝗱 𝗯𝘆 𝘀𝘁𝗮𝗿𝘁𝘂𝗽 𝗮𝗻𝗱 𝗲𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝗳𝗼𝗿 𝗹𝗼𝗻𝗴 𝘁𝗲𝗿𝗺 𝗽𝗲𝗿𝘁𝗻𝗲𝗿𝘀𝗵𝗶𝗽 🏅𝐑𝐞𝐜𝐞𝐧𝐭 𝐀𝐜𝐡𝐢𝐞𝐯𝐞𝐦𝐞𝐧𝐭𝐬: • Successfully launched a multi-vendor car rental mobile app enabling 10,000+ users to list vehicles and generate daily rental revenue. • Developed custom SaaS mobile applications for tour and charter companies to manage their equipment, employees, and fleet operations, significantly improving operational efficiency and reducing manual work. • Maintain proper software development architecture for maximum scalability 𝐈𝐧𝐯𝐢𝐭𝐞 𝐦𝐞 to your job to schedule a free discovery call to walk you through our project success and development process. As a 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐏𝐥𝐮𝐬 Mobile app 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 and 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱 𝗦𝗰𝗿𝘂𝗺 𝗠𝗮𝘀𝘁𝗲𝗿, my mission is to transform your vision into a scalable, high-performance mobile app development that drives revenue and growth. By following proper software architecture principles and a well-planned development process, I will ensure your mobile app development is not only built for today but also scales efficiently for tomorrow. Share your requirements and I’ll suggest the 𝐛𝐞𝐬𝐭 𝐚𝐩𝐩𝐫𝐨𝐚𝐜𝐡. ✅ 𝗧𝗲𝗰𝗵 𝘀𝘁𝗮𝗰𝗸 𝗜’𝗺 𝗲𝘅𝗽𝗲𝗿𝘁 𝗶𝗻: - Mobile app development: iOS & Android app development, hybrid mobile apps, cross-platform solutions with Flutter & React Native, native apps with Java/Kotlin/Swift - Frontend development and UI UX: React.js, Next.js, TypeScript, HTML, CSS, Tailwind CSS, Figma, Material-UI, Ant Design, modern mobile design systems - Backend and database development: Node.js, Express.js, Python, Django, PHP, Laravel, Firebase, MongoDB, MySQL, PostgreSQL, Supabase scalable cloud architecture (AWS, GCP, Azure) - API's and Integrations: RESTful APIs, GraphQL, third-party API integrations (payments, maps, messaging) - AI & automation: AI chatbots, OpenAI API, ChatGPT, intelligent automation, predictive analytics - App lifecycle and development: Mobile app testing, debugging, App Store & Google Play publishing, maintenance, updates, and compliance (HIPAA, GDPR, security best practices) ✅ 𝐓𝐡𝐢𝐬 𝐢𝐬 𝐰𝐡𝐲 𝐜𝐥𝐢𝐞𝐧𝐭 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 𝗮𝘀 𝐭𝐡𝐞𝐢𝐫 𝐩𝐫𝐢𝐦𝐚𝐫𝐲 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿: 🏆 Top-rated Plus freelancer on Upwork; recognized for consistent high-quality delivery and client satisfaction. 🧠 I ensure proper software development architecture, which most developers don't follow. 📅 Weekly progress meeting and flexible work hours (Either fixed price or on an hourly basis). 🤝 Teamwork and long-term support are the key strengths that people love about me. If you want a partner who can not only code mobile apps but also design and build a scalable product alongside you, let’s connect! 📞 𝗟𝗲𝘁’𝘀 𝘁𝗮𝗹𝗸 𝗮𝗯𝗼𝘂𝘁 𝗵𝗼𝘄 𝗜 𝗰𝗮𝗻 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂. 𝗦𝗲𝗻𝗱 𝗺𝗲 𝗮 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 𝗼𝗿 𝗶𝗻𝘃𝗶𝘁𝗲 𝘃𝗶𝗮 𝗽𝗿𝗼𝗷𝗲𝗰𝘁, 𝗮𝗻𝗱 𝘄𝗲’𝗹𝗹 𝘀𝗰𝗵𝗲𝗱𝘂𝗹𝗲 𝗮 𝗳𝗿𝗲𝗲 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻 𝘁𝗼 𝘁𝗮𝗹𝗸 𝗮𝗯𝗼𝘂𝘁 𝘆𝗼𝘂𝗿 𝘃𝗶𝘀𝗶𝗼𝗻. 📞

Oracle Certified Database Developer with over 6 years of professional experience and 3 years of data analysis expertise, I am dedicated to providing top-notch solutions to meet your database and data analysis needs. Specializing in Database Design, SQL Query Development, PL/SQL programming, and SQL Query Optimization. My commitment to quality, attention to detail, and efficient project management ensures the timely and successful completion of every task. Services I provide: ➤ Database Design and Development: I offer comprehensive database design and development services. Conceptual Design, Logical Design, ERD, EER, and Physical Design of Schema. I specialize in creating efficient and scalable database architectures tailored to your specific needs. I offer my service for Oracle, MS SQL Server, PostgreSQL, MySQL, and Azure databases. ➤ SQL Query: With my expertise in SQL, I can help you extract, manipulate, and analyze data from your database. From simple SELECT statements to advanced JOINs and subqueries, I am proficient in crafting efficient and accurate SQL queries. I pay attention to optimizing query performance and ensuring accurate results, empowering you to gain valuable insights from your data. ➤ PL/SQL Programming: Whether you require stored procedures, triggers, functions, or packages, I can develop custom PL/SQL code to automate tasks, enforce business rules, and improve overall database performance. I follow best practices in coding, ensuring readability, maintainability, and adherence to industry standards. ➤ Oracle Application Development: Technical Support of Oracle EBS Financial and SCM modules, configurations, and integrations. I can assist in identifying and resolving technical issues, whether they involve application errors or system integration challenges. I employ troubleshooting techniques to diagnose and resolve issues promptly, minimizing downtime and maximizing system efficiency. I will develop XML Publisher Report, OTBI Analysis, Dashboard, and Custom Application Development with Oracle Forms, Reports, & APEX. ➤ Data Analysis: Unleash the power of your data with my data analysis services. With expertise in tools like Excel and Python, I can help you uncover valuable insights and make data-driven decisions. From cleaning and transforming data to performing statistical analysis and creating visualizations, I have the skills to extract meaningful information from complex datasets. I work closely with you to understand your analytical goals and provide actionable results to drive business success. Why choose me? ✅ Expertise: I possess a deep understanding of Relational database architecture, SQL, PL/SQL, stored procedures, triggers, functions, Database design and optimization concepts, Oracle Forms, Reports & APEX. ✅ Reliability: I am dedicated to meeting deadlines and exceeding client expectations. ✅ Communication: I maintain clear and prompt communication to ensure transparency throughout the project. ✅ Collaborative Approach: I believe in fostering a strong client-freelancer partnership to deliver the best possible outcomes. ✅ Client Satisfaction: My ultimate goal is your satisfaction, and I strive to build long-term relationships with my clients. Let's discuss how I can assist you in achieving your project goals. Please reach out to me via Upwork messenger, and let's get started on creating exceptional results together. Looking forward to collaborating with you!

I have 8 years of experience in Lead Generation, Data Scraping and Data Mining, specializing in Data Cleansing, Data Entry and Database Updating. I am fully capable of working with large and small databases and possess excellent knowledge of various scanning and Mining Software. I can also help take your idea or concept and turn it into a successful Database. I am always willing to learn and willfully familiarize myself with the product to provide the best possible support to clients. Services I provide: ✔ Experience working on a Data Mining task ✔ Excellent knowledge of Data Entry, Database Design, Database Cleanup and Updating ✔ Experience with Database Development ✔ Experience in finding leads from the web ✔ Strong understanding of object-oriented data entry ✔ Solid understanding of maintaining a large database ✔ Lead Generation ✔ B2b Lead Generation ✔ LinkedIn Lead Generation ✔ Real Estate Lead Generation ✔Data Mining ✔ LinkedIn Research ✔ Contact List Building ✔ Mailing List development ✔ Contacts List Cleanup ✔ Database Building ✔ Email List Generation ✔ Data Mining and Extraction ✔ Lead List Building ✔ Prospect List Building ✔ LinkedIn Prospecting ✔ Data Entry ✔ Data Extraction ✔ Data Collection ✔ Email Sourcing ✔ Valid and Verified Email Addresses, Social Media links Discovery (Such As Twitter, LinkedIn etc.) I can build a targeted Lead list and provide Valid Data from : - LinkedIn Lead Generation - Email & Phone Number Research - Potential client's research - LinkedIn Premium Search/Advanced Search - B2B Lead Generation - Data Entry (Microsoft Excel, Google Spreadsheet, File Sharing) - CRM (Salesforce, Rex Software) Additional Skills * Great English communication skills. * Ability to work in a team. * Ability to be online during work hours for real-time communication. * Available for 24/7 * Able to provide Team Support It's essential to me to establish long-term relationships with clients, so I'm primarily seeking long-term projects. I am flexible concerning working hours. Deadlines are sacred to me, and I will review your content as many times as it takes to ensure it exceeds your expectations. I am fully available for CHAT or ZOOM CALL. And available to work more than 60 hours a week. I look forward to hearing from you!

MS Access | VBA | SQL Server | MySQL | Business Automation Specialist I help businesses automate operations, reporting, and internal workflows using MS Access, VBA, MySQL and SQL Server. With 15+ years of experience and 12,000+ Upwork hours, I design structured database systems that replace spreadsheets, eliminate manual errors, and improve reporting efficiency. What I Specialize In: ✔ Full database architecture (from concept, Excel mockup, or redesign) ✔ Relational database modeling & normalization ✔ Multi-user Access systems (LAN / SharePoint / SQL Server backend) ✔ Role-based login & user-level permissions ✔ Advanced VBA automation ✔ Performance optimization & database repair ✔ Excel / CSV import-export automation ✔ Analytical dashboards & dynamic reporting ✔ SQL query development & reporting logic My Approach Many Access databases become unstable over time due to: Poor structure Unoptimized queries Weak VBA organization Lack of scalability planning I focus on long-term maintainability, performance, and clean architecture. If you need a professional MS Access system that works reliably for years — I can help. Let’s discuss your project requirements. — Nasimul