Hi, I’m Mariano De Simone. I’m a Senior Fullstack Developer and Team Lead with extensive experience designing and delivering end-to-end applications using Python/Django REST Framework on the backend and React on the frontend. I actively contribute to development, oversee technical strategy, architecture, and execution to deliver scalable, high-performance solutions aligned with business objectives. Beyond hands-on coding, I lead teams, drive product and engineering strategy, and co-found ventures in the tech space. I’m passionate about building robust systems, mentoring engineers, and collaborating with stakeholders to turn ideas into reliable software products.…Hi, I’m Mariano De Simone. I’m a Senior Fullstack Developer and Team Lead with extensive experience designing and delivering end-to-end applications using Python/Django REST Framework on the backend and React on the frontend. I actively contribute to development, oversee technical strategy, architecture, and execution to deliver scalable, high-performance solutions aligned with business objectives. Beyond hands-on coding, I lead teams, drive product and engineering strategy, and co-found ventures in the tech space. I’m passionate about building robust systems, mentoring engineers, and collaborating with stakeholders to turn ideas into reliable software products.

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Nishashah Baz

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 Lahore, Pakistan

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Expert in: Kotlin, Java, React Native + 12 more

I'm Nishashah Baz, a Principal Software Engineer with over six years of experience in mobile application development, focusing on Android, Java, Kotlin, and React Native. I lead end-to-end delivery, manage requirements, architecture, and cross-functional teams to ship high-quality software on time. I thrive in collaborative, fast-paced environments and enjoy exploring innovative technologies like BLE, real-time data processing, and machine learning for mobile apps. Based in Lahore, Pakistan, I welcome global opportunities and aim to build apps that make a positive impact.…I'm Nishashah Baz, a Principal Software Engineer with over six years of experience in mobile application development, focusing on Android, Java, Kotlin, and React Native. I lead end-to-end delivery, manage requirements, architecture, and cross-functional teams to ship high-quality software on time. I thrive in collaborative, fast-paced environments and enjoy exploring innovative technologies like BLE, real-time data processing, and machine learning for mobile apps. Based in Lahore, Pakistan, I welcome global opportunities and aim to build apps that make a positive impact.

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Ryan Agapito

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 Dortmund, Innenstadt-West, Germany

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Expert in: JavaScript, CSS, TypeScript + 25 more

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Expert in: C#, JavaScript, ASP.NET + 7 more

Hi, I’m Arul Nagarajan. I’m a Technical Lead and Full-Stack Developer with 13+ years of experience architecting, developing, and delivering enterprise-grade .NET, React/Node, and cloud-native solutions across finance, ERP, AI automation, real estate, payroll, insurance, and telecom domains. I excel at guiding cross-functional teams for high-profile clients in multiple regions and coordinating closely with onsite stakeholders to deliver robust, scalable software. I’m passionate about building automated, webhook-driven systems, integrating external APIs, and delivering high-availability solutions. I thrive in fast-paced environments where collaboration with product, design, and operations is essential to drive value and ensure smooth hosting and deployments for mission-critical applications.…Hi, I’m Arul Nagarajan. I’m a Technical Lead and Full-Stack Developer with 13+ years of experience architecting, developing, and delivering enterprise-grade .NET, React/Node, and cloud-native solutions across finance, ERP, AI automation, real estate, payroll, insurance, and telecom domains. I excel at guiding cross-functional teams for high-profile clients in multiple regions and coordinating closely with onsite stakeholders to deliver robust, scalable software. I’m passionate about building automated, webhook-driven systems, integrating external APIs, and delivering high-availability solutions. I thrive in fast-paced environments where collaboration with product, design, and operations is essential to drive value and ensure smooth hosting and deployments for mission-critical applications.

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Expert in: PHP, HTML5, CodeIgniter + 8 more

Hi, I’m Brecht Scherpereel, a freelance PHP developer with 20 years of PHP/HTML experience. I prefer to work remotely from my home office and I mainly focus on online web platforms, WordPress, and general frontend/backend web development, with an emphasis on backend work. Growing up as an electrician by training, programming has always been my hobby, and over the last 12 years I turned that hobby into my profession through self-study and hands-on project work. I’ve built a wide range of custom PHP applications, integrations with REST and SOAP services, and WordPress-based shops, delivering robust, scalable solutions for clients.…Hi, I’m Brecht Scherpereel, a freelance PHP developer with 20 years of PHP/HTML experience. I prefer to work remotely from my home office and I mainly focus on online web platforms, WordPress, and general frontend/backend web development, with an emphasis on backend work. Growing up as an electrician by training, programming has always been my hobby, and over the last 12 years I turned that hobby into my profession through self-study and hands-on project work. I’ve built a wide range of custom PHP applications, integrations with REST and SOAP services, and WordPress-based shops, delivering robust, scalable solutions for clients.

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Full Stack DeveloperBack-End DeveloperDatabase Developer

Full Stack DeveloperBack-End DeveloperDatabase Developer

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Expert in: ASP.NET, C#, SQL + 9 more

I am a SQL Database Developer and Data Engineer with 15+ years of experience in application development, data engineering, and automation of large-scale data processes. I have proven expertise in .NET, MS SQL Server, SSIS, and REST API integrations to deliver secure and scalable enterprise solutions. I lead teams, optimize database performance, and develop automated workflows that streamline operations and improve efficiency. I adapt at collaborating with cross-functional stakeholders to deliver impactful software and data solutions. I enjoy mentoring and guiding cross-functional teams to build robust data architectures, scalable systems, and automated data pipelines. I am passionate about continuous learning, automation, and delivering high-quality, reliable technology solutions that drive business outcomes.…I am a SQL Database Developer and Data Engineer with 15+ years of experience in application development, data engineering, and automation of large-scale data processes. I have proven expertise in .NET, MS SQL Server, SSIS, and REST API integrations to deliver secure and scalable enterprise solutions. I lead teams, optimize database performance, and develop automated workflows that streamline operations and improve efficiency. I adapt at collaborating with cross-functional stakeholders to deliver impactful software and data solutions. I enjoy mentoring and guiding cross-functional teams to build robust data architectures, scalable systems, and automated data pipelines. I am passionate about continuous learning, automation, and delivering high-quality, reliable technology solutions that drive business outcomes.

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Expert in: React JS, JavaScript, TypeScript + 12 more

Hi there! I’m Maksudul Hasan, a full-stack developer with 6+ years of experience building scalable web applications using React, Next.js, and Node.js. I love turning ideas into robust, production-ready solutions that serve thousands of users. I have a strong track record of optimizing system performance, reducing API response times, and delivering clean, maintainable code on AWS. I’m passionate about collaborating with cross-functional teams to build reliable products and continuously improve the software delivery process.…Hi there! I’m Maksudul Hasan, a full-stack developer with 6+ years of experience building scalable web applications using React, Next.js, and Node.js. I love turning ideas into robust, production-ready solutions that serve thousands of users. I have a strong track record of optimizing system performance, reducing API response times, and delivering clean, maintainable code on AWS. I’m passionate about collaborating with cross-functional teams to build reliable products and continuously improve the software delivery process.

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Sundara Ramaiah Knight

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 Germany

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Expert in: Java, JavaScript, Power BI + 12 more

I'm Sundara Ramaiah Knight, a software developer with extensive experience delivering Java-based enterprise applications, ERP integrations, and data analytics. I have worked across banking, retail, manufacturing, and logistics for global clients and led projects from design to deployment. I enjoy building scalable backend services, data-driven dashboards with Power BI, and IoT-enabled solutions. I thrive in international teams and value clear communication and continuous learning. Currently based in Warendorf, Germany, I am expanding my German skills (B1) while contributing to cross-cultural projects. I hold an MBA and a BE, have worked with diverse tech stacks (Java, Spring, Hibernate, microservices, Power BI, IoT, cloud/docker), and am committed to delivering high-quality software and mentoring others to grow their skills.…I'm Sundara Ramaiah Knight, a software developer with extensive experience delivering Java-based enterprise applications, ERP integrations, and data analytics. I have worked across banking, retail, manufacturing, and logistics for global clients and led projects from design to deployment. I enjoy building scalable backend services, data-driven dashboards with Power BI, and IoT-enabled solutions. I thrive in international teams and value clear communication and continuous learning. Currently based in Warendorf, Germany, I am expanding my German skills (B1) while contributing to cross-cultural projects. I hold an MBA and a BE, have worked with diverse tech stacks (Java, Spring, Hibernate, microservices, Power BI, IoT, cloud/docker), and am committed to delivering high-quality software and mentoring others to grow their skills.

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Expert in: Kotlin, Google Maps, JavaScript + 6 more

I offer my expertise to a dynamic team focused on delivering high-quality software applications. With skills in backend development, databases, APIs, and mobile apps, I’m ready to contribute and make a meaningful impact.…

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Basel Tahhan

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 Dubai, United Arab Emirates

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Expert in: C#, .NET, GitHub + 10 more

I am a Software Engineer and Backend Web Developer with nearly five years of experience building scalable backend systems and web applications. I earned a Bachelor's degree in Informatics Technology Engineering from Aleppo University, and I enjoy solving challenging problems with clean, efficient code. Currently I’m a Software Engineer at Cinque Technologies in the UAE, focusing on full-stack development on the SYMEX platform. I’ve also contributed to teams across projects like Dndoon Foods and Humy, integrating AWS, real-time features, payments, GPS tracking, and robust API integrations.…I am a Software Engineer and Backend Web Developer with nearly five years of experience building scalable backend systems and web applications. I earned a Bachelor's degree in Informatics Technology Engineering from Aleppo University, and I enjoy solving challenging problems with clean, efficient code. Currently I’m a Software Engineer at Cinque Technologies in the UAE, focusing on full-stack development on the SYMEX platform. I’ve also contributed to teams across projects like Dndoon Foods and Humy, integrating AWS, real-time features, payments, GPS tracking, and robust API integrations.

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Expert in: Android, Kotlin, Java + 4 more

Hi, I’m Nitesh Kumar Singh, a Senior Android Developer with 8+ years of experience delivering scalable mobile apps using Kotlin, MVVM, Clean Architecture, and Jetpack Compose. I enjoy turning complex requirements into robust, maintainable code and thrive in collaborative Agile teams. I specialize in coroutines, Hilt, AOSP/NDK, and IoT/HMI solutions, and I bring strategic leadership, TDD/XP practices, and a track record of delivering high-quality, performant apps. I’m always eager to learn, mentor teammates, and drive excellence across the development lifecycle.…Hi, I’m Nitesh Kumar Singh, a Senior Android Developer with 8+ years of experience delivering scalable mobile apps using Kotlin, MVVM, Clean Architecture, and Jetpack Compose. I enjoy turning complex requirements into robust, maintainable code and thrive in collaborative Agile teams. I specialize in coroutines, Hilt, AOSP/NDK, and IoT/HMI solutions, and I bring strategic leadership, TDD/XP practices, and a track record of delivering high-quality, performant apps. I’m always eager to learn, mentor teammates, and drive excellence across the development lifecycle.

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Full Stack DeveloperWeb DeveloperAI Engineer

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Expert in: JavaScript, Node.js, GitHub + 13 more

Hi, I'm Aaron Archer, a full-stack developer with expertise in AI-powered platforms. I design, build, and deploy scalable systems, leveraging React, Node.js, and PostgreSQL to deliver impactful results across client projects. I'm passionate about crafting clean code and collaborating with teams to solve complex problems.\n\nI'm eager to apply a strong work ethic and rapid learning to drive innovation in technology projects, delivering reliable solutions and measurable improvements for clients and stakeholders.…Hi, I'm Aaron Archer, a full-stack developer with expertise in AI-powered platforms. I design, build, and deploy scalable systems, leveraging React, Node.js, and PostgreSQL to deliver impactful results across client projects. I'm passionate about crafting clean code and collaborating with teams to solve complex problems.\n\nI'm eager to apply a strong work ethic and rapid learning to drive innovation in technology projects, delivering reliable solutions and measurable improvements for clients and stakeholders.

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Expert in: TypeScript, GitHub, Spring + 13 more

I am a full-stack developer specializing in the creation of AI-powered, real-time, and scalable web applications using technologies such as React, Next.js, Node.js, and Python. My expertise ranges from developing intelligent systems to crafting seamless user experiences, with a strong focus on delivering production-ready solutions that perform well and scale effectively. What sets me apart is my ability to work quickly; I rapidly learn new tools, write clean and efficient code, and take full ownership of projects from conception to deployment. **Employment and Project Experience** **Software Developer Intern** Catalyser Finovate LLP March 2025 – Present **Open Source Contributor** Various JavaScript-Based Projects 2024 – Present **Independent Developer** 2023 – Present I have built multiple projects, including AI-driven applications, scalable APIs, and real-time communication platforms, utilizing modern web technologies.…I am a full-stack developer specializing in the creation of AI-powered, real-time, and scalable web applications using technologies such as React, Next.js, Node.js, and Python. My expertise ranges from developing intelligent systems to crafting seamless user experiences, with a strong focus on delivering production-ready solutions that perform well and scale effectively. What sets me apart is my ability to work quickly; I rapidly learn new tools, write clean and efficient code, and take full ownership of projects from conception to deployment. **Employment and Project Experience** **Software Developer Intern** Catalyser Finovate LLP March 2025 – Present **Open Source Contributor** Various JavaScript-Based Projects 2024 – Present **Independent Developer** 2023 – Present I have built multiple projects, including AI-driven applications, scalable APIs, and real-time communication platforms, utilizing modern web technologies.

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App DeveloperProgrammer

App DeveloperProgrammer

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Expert in: Kotlin, Java, Android + 3 more

I am a passionate Android Developer with 3+ years of experience in designing, building, and maintaining high-performance mobile applications. My journey in Android development has equipped me with a strong foundation in creating scalable and user-friendly applications, with a focus on delivering top-notch performance.…

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Lindsay Jackson

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 Houston, United States

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Expert in: AWS, C#, Docker + 20 more

I'm Lindsay Jackson, a Senior Software Engineer with over 10 years of experience delivering scalable, high-performance web and mobile solutions across healthcare, finance, retail, and education. I specialize in cloud-native architectures, microservices, and full-stack development using C#, ASP.NET Core, React.js, TypeScript, Node.js, and Python. I design secure APIs, real-time systems, and maintainable platforms, and I’m passionate about automation, DevOps, and building solutions that improve reliability and user experience. Throughout my career I’ve led cross-functional teams, driven large-scale cloud migrations, and shipped mission-critical platforms used by millions. I focus on security, HIPAA, HL7, and FHIR compliance while optimizing performance and operational efficiency. I enjoy collaborating with data scientists to apply analytics and ML, and I love turning complex requirements into robust, scalable software that makes a real impact.…I'm Lindsay Jackson, a Senior Software Engineer with over 10 years of experience delivering scalable, high-performance web and mobile solutions across healthcare, finance, retail, and education. I specialize in cloud-native architectures, microservices, and full-stack development using C#, ASP.NET Core, React.js, TypeScript, Node.js, and Python. I design secure APIs, real-time systems, and maintainable platforms, and I’m passionate about automation, DevOps, and building solutions that improve reliability and user experience. Throughout my career I’ve led cross-functional teams, driven large-scale cloud migrations, and shipped mission-critical platforms used by millions. I focus on security, HIPAA, HL7, and FHIR compliance while optimizing performance and operational efficiency. I enjoy collaborating with data scientists to apply analytics and ML, and I love turning complex requirements into robust, scalable software that makes a real impact.

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