Hire the Best Cucumber Developers
in Bangladesh

I help businesses build scalable SaaS platforms, modernize legacy applications, and integrate AI into real-world workflows. 💻 With 15+ years of software engineering experience, I’ve worked with startups, universities, and established companies to deliver reliable, enterprise-grade solutions using .NET, React, Angular, Python, Azure, and AWS. 📈 By the Numbers ⏱️ 15+ Years Experience 💰 $100K+ Earned on Upwork 🕒 10K+ Hours Worked 🏆 Top Rated Freelancer 🤝 17 Successful Upwork Contracts 🚀 20+ Commercial Projects Delivered 🛠️ What I Specialize In 🚀 Full-Stack SaaS Development ▪️ .NET Core / ASP.NET Core ▪️ React & Angular ▪️ SQL Server & Entity Framework ▪️ REST & GraphQL APIs ▪️ Clean Architecture & Microservices ▪️ Scalable Enterprise Applications 🤖 AI & Generative AI Solutions ▪️ OpenAI / ChatGPT Integration ▪️ Retrieval-Augmented Generation (RAG) Pipelines ▪️ LangChain Workflows ▪️ LangGraph, CrewAI & AG2 Multi-Agent Systems ▪️ Vector Databases (Pinecone, Chroma, Qdrant) ▪️ Document Intelligence & AI Automation Solutions ☁️ Cloud & DevOps ▪️ Microsoft Azure & AWS ▪️ Docker & Kubernetes ▪️ GitHub Actions & Azure DevOps ▪️ CI/CD Pipeline Automation ▪️ Cloud-Native Architecture ▪️ Monitoring, Deployment & Scalability Optimization 🔗 Integrations & APIs ▪️ Third-Party API Integrations ▪️ Payment Gateway Integration ▪️ Analytics & Reporting Systems ▪️ Authentication & Authorization (OAuth, JWT, SSO) ▪️ Enterprise System Integration 🏗️ Architecture & Engineering ▪️ SOLID Principles & Design Patterns ▪️ Dependency Injection & Repository Pattern ▪️ Performance Optimization & Refactoring ▪️ Legacy Application Modernization ▪️ Testable & Maintainable Codebases 💬 𝐖𝐡𝐚𝐭 𝐌𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐒𝐚𝐲 "Mostafizur is extremely professional, cooperative, and creative. He’s thorough, detail-oriented, and suggests smart improvements. Highly recommended for full-stack development." "Excellent work, very responsive." "Highly recommend – was a great engineering resource for over 5 years." 📩 Let’s connect and discuss your project!

🚀 Welcome to my profile! I'm a seasoned web automation developer with a proven track record spanning over 4 years in the industry. My primary focus lies in leveraging the power of Selenium and Cucumber to automate and optimize workflows, ensuring your projects run like clockwork. ✅ Here are some key expertise areas: 🔧 Test Automation Frameworks: Proficient in utilizing Selenium, Playwright, Web Driver IO, and Appium to engineer robust and dependable automated tests, catering to both web and mobile applications. 🔧 API Endpoint Testing Whiz: Crafting robust API endpoint tests is my forte. I meticulously validate API functionalities, ensuring your data flows seamlessly and securely across your applications. 🔧 BDD Testing with Cucumber: Seasoned in writing and executing test cases using Cucumber testing frameworks, guaranteeing extensive coverage and streamlined test management. 🔧 JavaScript Proficiency: Possessing a strong grasp of JavaScript, I am equipped to craft efficient and maintainable test scripts, ensuring the reliability of automation processes. 🔧 Design Patterns Expertise: Implementing the Page Object Model (POM) and Page Factory design patterns to bolster test maintainability, reusability, and script readability. 🔧 CI/CD Pipeline Setup: Proficient in configuring CI/CD pipelines using GitHub Actions, Jenkins, and Bitrise Pipeline, facilitating the seamless integration and delivery of high-quality software through automated testing. 🔧 Effective Project Collaboration: Skilled in utilizing Jira for meticulous test case management, proficient bug tracking, and efficient project collaboration, while also leveraging Slack for streamlined communication within project teams. 🌐 Web Automation Mastery: I'm your go-to expert for automating small, medium, or large-scale applications. Whether it's web applications, e-commerce platforms, or SaaS solutions, I have the skills and know-how to streamline your testing processes. 🔥 Passion-Driven: My work isn't just a job; it's my passion. I thrive on solving complex automation challenges, enhancing software quality, and helping you achieve a bug-free project. 🤝 Client Satisfaction Guaranteed: Your satisfaction is my utmost priority. I pride myself on delivering exceptional service promptly and with the highest quality. Rest assured, your project is in capable hands. 💼 Versatility Matters: Beyond automation, I'm well-versed in a range of technologies: - JavaScript: For dynamic web interactions. - Node.js & Express.js: For scalable server-side solutions. - React.js: For building interactive and responsive UIs. - MongoDB: Handling and storing data effectively. - HTML5 & CSS3: Crafting visually appealing and user-friendly interfaces. 🔗 Long-Term Partnership: When you hire me, you're not just getting a one-time service. I'm here to provide ongoing support even after the job is completed. Your success is my success. 🙏 Thank You for Visiting: I genuinely appreciate your interest in my profile. I'm excited to collaborate with you and bring your project to life with precision and excellence. 🚀 Let's embark on this journey together—reach out, and let's get started on your next automation success story!

Full Stack Developer with 16 years of working experiences in web application development. Specialized in PHP framework (CakePHP & Codeigniter), PHP CMS (ExpressionEngine, CraftCMS and Wordpress) .

Are you looking for someone who is passionate about writing clean, reusable, and secure backed code? Someone who follows agile practices, understands the full software development lifecycle, and collaborates well with fronted teams using Thymeleaf or React? You're viewing the right profile! I bring over 10 years of experience in the software industry, specializing in Java-based technologies. My expertise includes: Building scalable and secure J2EE applications Spring Boot REST API development Thymeleaf templating and dynamic UI integration React frontend collaboration for full-stack projects Designing robust database schemas (MySQL, PostgreSQL, Oracle) Creating the base architecture for complex enterprise solutions Throughout my career, I've worked across all phases of the SDLC—from requirements gathering and architecture design to deployment and maintenance. Notable Experience: Speciality: Integrated eCommerce, ERP, and payment gateway modules into a unified, extensible platform for multi-vendor setups. Developed custom business workflows, vendor wallet systems, and modular reporting dashboards. Let’s build something powerful, clean, and production-ready—together. I have hands on experience in the following areas: Programming Languages: Java, JavaScript, Scala APIs & Integrations: RESTful APIs, GraphQL, WebSocket, RabbitMQ, JMS, Kafka Cloud & DevOps: AWS (Cloudformation), Docker, CI/CD (Jenkins, GitHub Actions) Frameworks & Tools: Spring Framework, Spring Boot, Hibernate, JPA Version Control: Git, GitLab, Bitbucket Databases: MySQL, PostgreSQL, MongoDB, Redis Testing: JUnit, Mockito, Cucumber, TDD Others: Observability, Keycloak, Angular, Maven, Bash