Upstaff Developer Profile Directory

- IT experience starting in 2015 - Experience with the full lifecycle of designing, developing, installing, configuring, and maintaining applications on SharePoint - Intermediate English - Available ASAP

- IT experience starting in 2011; senior software developer since 2015. - Experience with the full lifecycle of designing, developing, installing, configuring, and maintaining applications on SharePoint 2007/2010/2013/2016/2019, 2019 Online, Office 365 - Web Services, CSOM, JSOM, JSLink, REST API, AJAX - Strong knowledge of C#, ASP.NET, HTML, CSS, JavaScript - Experience with jQuery, DataTables, Google Charts/Maps, Bootstrap, AngularJS - Extensive experience with MS Visual Studio 2008-2019, Hyper-V, TFS - Intermediate English - Available ASAP

Senior Software Engineer with extensive expertise in Ruby on Rails, React, and Node.js, specializing in scalable web applications and fostering technical leadership. Details include tech lead roles, impactful feature launches, and revenue growth through strategic experiments. Demonstrated strengths in CI/CD, monitoring with tools like Datadog, and coding best practices. Holds a PMP credential and a track record in both individual contribution and team mentorship. Educational background features a Master in Systems and Computing Engineering.

Accomplished Senior Software Engineer with expertise in mobile development, including a leading role in architecting and optimizing a housing support application, ensuring an enhanced user experience. Bring years of experience with a strong focus on ReactJS and React Native across multiple organizations, elevating OPS dashboards, modernizing legacy code, and contributing to a variety of successful app releases. Holds a BSc in Computer Science from the British University in Egypt, marrying technical skills with solid theoretical knowledge. Renowned for implementing new technologies, refining development standards, and delivering high-quality software solutions. Proven capability in the full app lifecycle management and team leadership, aiming to drive efficiency and innovation in software development.

Software engineer with 9+ years of experience, excelling in full stack development with expertise in JavaScript, Swift, and iOS development. Proven track record of leading successful projects, including winning multiple hackathons and developing robust blockchain-based solutions. Demonstrates strong technical leadership, having managed diverse engineering teams and fostering agile best practices. Well-versed in various technologies like Node.js, React.js, Firebase services, Ethers.js, Web3.js, and AWS, with a solid foundation in computer science from Universidad Nacional del Nordeste. The engineer's proficiency in building scalable systems for music streaming, live video monitoring, and blockchain integration positions them as a valuable asset to any team seeking deep technical expertise and innovative solutions.

Software engineer with over 15 years in IT, specializing in DevOps methodologies and Linux systems. Expertise includes heavy use of configuration management tools such as Ansible and Terraform, containerization with Docker, Kubernetes and Docker Swarm, and CI/CD pipeline construction with Jenkins, Gitlab CI, and GitHub Actions. Proficient in cloud technologies, predominantly AWS, and capable of both maintaining large infrastructures and migrating services to the cloud. Accomplished in system monitoring using tools like Nagios, Prometheus, and Grafana. Holds a Master's degree and advanced networking education, with a history of building complex infrastructures and improving deployment processes in distributed team settings.

- Senior AI Engineer with 11+ years of experience in software development and intelligent systems; - Experience in building Retrieval-Augmented Generation (RAG) pipelines using OpenAI, Mistral, and Azure AI stack (Cognitive Search, AI Speech); - Skilled in developing an AI voice/chatbot builder with RAG support, knowledge base retrieval, and CRM synchronization; - Experienced in Integrated conversational agents with Twilio, Genesys Cloud CX, and Zoho CRM for end-to-end automation; - Designed multi-agent flows using FlowiseAI, Agentflows, Vector Stores, and Memory Nodes; - Good abilities in backend development with Python, .NET, and Node.js for scalable service integration; - Experienced in front-end development with JavaScript (ES6+), React, Angular, and Vue.js; - Skilled in delivering cloud-native microservices across AWS and Azure, using Docker, CI/CD, and automation tools; - Led feature implementation and mentoring in long-term publishing and analytics systems.

- Senior AI Engineer with hands-on experience in AI and full-stack development; - Experience in building Retrieval-Augmented Generation (RAG) pipelines with Azure OpenAI and Azure Cognitive Search; - Developed multi-agent LLM workflows using FlowiseAI with Agentflows, Chatflows, and Tool Agents; - Skilled in integrated AI chatbots with telephony platforms such as Genesys Cloud CX, VoxImplant, and Twilio; - Experience in creating seamless integrations between Genesys Cloud CX, Zoho CRM, and OpenAI for automated user interactions and data sync; - Experience in backend development using Python, C#, and .NET; - Skilled with Node.js, RESTful APIs, and building scalable backend services; - Abilities front-end background with JavaScript, TypeScript, HTML/CSS, and jQuery.

A backend developer with a strong focus on Python and JavaScript, proficient in Django, and dedicated to building scalable web applications. The developer brings a hands-on approach and a background in computer science education with coursework completed at prestigious institutes such as CS50x at Harvard University. Commended for a robust engineering foundation, particularly in RESTful APIs, SQL databases, and automation, they are an asset in modern software development environments. Their technical prowess is complemented by an education in business studies, augmenting their technical skillset with strategic acumen. With a dedication to clean code, continuous learning, and effective collaboration, this developer is poised to contribute significantly to dynamic teams in the tech industry.

"I'm a passionate Front-End Web Developer skilled in HTML, CSS, and JavaScript, creating responsive, user-friendly websites. I focus on clean design, functionality, and delivering seamless user experiences."

Software Engineer with 4+ years of experience specializing in Electronics and Communication Engineering, with a solid background in AI/ML, automation, and efficient database management. Known for developing an AI Interviewer Bot at Infosys and enhancing system performance at Accenture, including a 98% reduction in manual workload through Python scripting. Skilled in Python, PL/SQL, C#, and cloud technologies, with expertise in building REST APIs and deploying machine learning models. Recognized for leading a migration from Jenkins to GitHub Actions, optimizing batch processing by 75%, and holding certifications such as GCP Associate Cloud Engineer. With a B.Tech in Electronics and Communication, complemented by a Nanodegree in Programming for Data Science, this engineer stands out with a blend of technical prowess and innovative problem-solving abilities.

- Senior Software Developer & Architect with 14+ years of experience designing scalable software solutions, leading teams, and optimizing system performance. - Expertise in Ruby, JavaScript, and cloud-based architectures (AWS, DigitalOcean, Docker). - Specializing in e-commerce platforms, payment systems integration, microservices architecture, search optimization, and IoT device integration, including video streaming and motion detection algorithms. - Passionate about architecting high-performance applications, integrating IoT solutions, AI technologies, and leading cross-functional engineering teams to drive innovation and scalability.

- Data Scientist with 4+ years of experience in AI and machine learning; - Specialized in NLP, time series forecasting, and generative AI; - Built RAG systems using OpenAI, Langchain, and custom pipelines; - Developed multi-agent systems for sales enablement, education, and virtual assistants; - Proficient in Python, SQL, and ML libraries like Pandas, Sklearn, Keras, and PyTorch; - Created legal assistants with HuggingFace models and citation-based RAG responses; - Built voice-based chatbots using OpenAI Whisper and ElevenLabs for voice cloning and audio processing; - Designed pipelines for text-to-speech and image generation in mobile and cloud environments; - Extracted and analyzed financial data using AWS Textract and OpenAI VLMs; - Built production-ready support bots using Dialogflow CX, Twilio, and Google Firestore; - Experienced with AWS and GCP for scalable model deployment.

- Accomplished IT & Cloud Consultant with over 12 years of diversified experience in IT Infrastructure, hybrid cloud technologies, and storage solutions. - Proficient in Linux-based systems, Red Hat OpenShift, Ansible automation, and implementing effective CI/CD pipelines, with a solid grasp of cloud platforms such as AWS, Azure, and GCP. - Demonstrated expertise in leading large-scale migrations, ensuring resilient and scalable infrastructure through proactive management and optimization of computing resources. - Holds an array of industry-recognized certifications, including OCI, RHCE, and DELL EMC Avamar, underscoring a commitment to professionalism and continuous learning. - Strong foundation in practical applications of UNIX/Linux, VMware, Microsoft solutions, backup/recovery practices, and cloud-native monitoring tools. - Combines deep technical skills with methodological IT operations management to develop automated, efficient, and compliant system environments.

- Data Scientist with a focus on Natural Language Processing and 16 years of experience in the IT industry; - Experienced in designing cloud-based architectures using BigQuery, Vertex AI, Cloud Functions, Datastore, and Cloud Storage; - Applies machine learning and deep learning techniques to solve problems in NLP, computer vision, and time series analysis; - Solid foundation in unsupervised learning methods, including clustering, anomaly detection, and recommender systems; - Skilled in full-cycle solution design, from requirements gathering to development and deployment; - Specialized in Generative AI, building advanced algorithms and models to address complex tasks using generative techniques; - Experience in ML model development for prediction, classification, and optimization use cases; - Proficient in Agentic AI, creating autonomous systems powered by LLMs for decision-making and workflow automation; - Experienced in text-to-speech technologies and implementation; - Experience with cloud platforms, including AWS (S3, EC2, Lex, Lambda, EMR), Azure OpenAI, and Google Cloud; - Developed applications across macOS, Linux, and Windows environments; - Creative and results-driven, with strong analytical, communication, and presentation skills.

An experienced software engineer with a solid background in AI and Machine Learning, specializing in data-driven solutions for large customer bases. Boasts advanced proficiency with languages and frameworks like Python, PySpark, TensorFlow, PyTorch, and expertise with Machine Learning Operations (MLOps) tools such as GitHub and Jenkins. The engineer has a proven track record of leading technical teams and managing stakeholder relationships in deploying end-to-end predictive models and ML solutions for key business applications in the telecommunication sector. The education credentials include a Ph.D. in Machine Learning Techniques and a M.Sc. in Automation Engineering from Politecnico di Milano, Italy, supplemented by a strong publication history that demonstrates ongoing contributions to the field.

- Senior Full-Stack Developer with 12+ years of experience in software engineering; - Certified in .NET Microservices, Scrum Master, and Python Programming; - Skilled in building scalable web applications using .NET (Core, 6–9), C#, and ASP.NET; - Strong experience in microservices architecture, CQRS pattern, and RESTful API design; - Familiar with Vertical Slice architecture and Domain-Driven Design principles; - Proficient in front-end development with Vue.js, Angular, Kendo UI, and SASS; - Experience with modular frontend architecture using single-spa; - Hands-on experience with Microsoft Azure (App Service, Container Registry, Azure SQL); - Implemented CI/CD pipelines using Azure DevOps, Azure Pipelines, Git, and Kubernetes; - Worked with SQL Server, NoSQL databases, SignalR, WireMock.NET; - Familiar with Node.js and PHP for backend tasks and system integration.

- Experienced in React Native: Developed and delivered multiple React Native mobile applications, including a KenZen App and a Furniture Design Time-Tracking App, integrating Firebase, Redux, animations, and state management. Over 4.5 years of experience with React Native - Full-Stack Development in Fintech: Led fintech real estate app development, handling both front-end (ReactJS, Styled-Components) and back-end (NodeJS, MongoDB) while managing CI/CD pipelines and real-time updates. - Senior Developer in Web & Mobile Apps: Designed and implemented scalable mobile and web applications, ensuring high code quality, debugging, and managing releases on App Store and Play Market. - Developed e-commerce web solutions using Vue and Vuex, collaborating with back-end and QA teams, - Experienced in Docker, GitHub Actions, and Linux server management, optimizing deployment pipelines and application performance. - Intermediate English

Passionate Senior Software Engineer with 7 years of experience excels in building complex web applications leveraging mastery in languages such as JavaScript, TypeScript, C#, Go, and Python. Renowned for architecting a legal SaaS platform yielding a 40% operational efficiency boost and pioneering AI-powered chatbot integration, showcasing a 30% reduction in case handling efforts. Adept in cloud services (AWS, Azure, GCP), microservices, and CI/CD with an Agile mindset, drives collaboration and continuous improvement. Holds a solid foundation with a Bachelor's degree in Computer Science from NTUA, cementing technical prowess in the software industry through contributions to large-scale projects that enhance user experiences, performance, and reliability.

- Full-Stack Developer with 4+ years of experience in software engineering; - Skilled in building responsive UI using React, Next.js, TypeScript, Tailwind, and MUI; - Strong experience in Java and Spring Boot for back-end development; - Proficient in API development, integration, and optimization for performance; - Experienced with PostgreSQL, MySQL, and Oracle for database management; - Familiar with Node.js for scripting and backend tasks; - Hands-on experience with unit and integration testing using Jest, React Testing Library, and JUnit; - Solid understanding of SDLC, CI/CD, and application deployment processes.

DevSecOps Engineer with over a decade of expertise, specializing in compliance automation and cloud security hardening, underscored by a solid foundation in Computer Science and Software Engineering. Their technical prowess spans CSPM tools, security suite deployment, and vast experience with CI/CD pipelines and major cloud service providers (AWS, Azure, GCP). With proficiency in key programming/scripting languages such as Python, Bash, and PowerShell, they have effectively contributed to various domains, including Healthcare, Business, and EdTech, holding certifications like Azure Security and MS 365 Security. Their track record demonstrates implementing secure solutions, from SIEM enhancements to fortifying high-load NFT trading platforms. The engineer's ability to transform security practices, ensuring robustness and business continuity in fintech and healthcare, positions them as a competitive candidate poised for contributing significantly to prospective projects.

- 5+ years of experience in IT - Upper-Intermediate English - Available ASAP

- 5+ years of commercial experience in IT - Experience in developing web applications using JavaScript (React, Redux) - Deep knowledge of HTML, CSS, TypeScript - New functionality development - Communicative, responsible, hardworking, result-oriented - Experience from simple sites to huge projects for companies - Good attention to details - Good logical thinking and team play - Intermediate+ English. - Availability starting from ASAP.

- Front-end developer with the overall experience in web engineering for over 3 years. - Intermediate English. - Available ASAP.

- Versatile React Native Developer with 5+ years of experience in delivering robust mobile applications, with a deep understanding of the React ecosystem and modern front-end development. - Holds a solid foundation in software engineering with a Bachelor's degree in Economics, specializing in Accounting and Audit, adding a strong analytical dimension to programming skills. - Proficient in an array of technologies including JavaScript, TypeScript, ReactJS, Redux, Expo, NodeJS with Express, and associated libraries and tools. - Demonstrated expertise in the full software development lifecycle (SDLC), object-oriented programming (OOP), Model-View-Controller (MVC) pattern, Test-Driven Development (TDD), and Behavior-Driven Development (BDD). - Adept in integrating payment solutions such as Stripe, engaging with APIs, and developing cross-platform applications that enhance user experience. Familiar with web development technologies like HTML5, CSS, and cloud services. - Contributed to diverse projects ranging from live nature cams, NFT galleries, healthcare, e-commerce, to social media marketing, demonstrating versatility and the ability to adapt to varied domains. - Team player with intermediate English communication skills, facilitating collaboration with global teams and ensuring alignment with project goals.

- React.js and React Native Expertise: Over 5 years of dedicated experience, showcasing proficiency in building mobile applications and admin panels. - Proficient in TypeScript: Demonstrated use of TypeScript across multiple projects, enhancing application scalability and maintainability. - Redux and Mobx for State Management: Extensive application of Redux and Mobx in project development, ensuring efficient state handling. - Diverse UI Frameworks Knowledge: Employed Material UI, Ant Design UI, and react-native-paper, reflecting versatility in user interface design. - GraphQL and REST APIs Integration: Integrated GraphQL and RESTful services for optimal data retrieval and management in applications. - Solid JavaScript ES6/ES7 Skills: Consistent use of modern JavaScript standards in development projects, forming the basis of his React Native work. - Experienced in Redux-saga and Redux-thunk: Utilized Redux-saga and Redux-thunk for managing complex asynchronous operations in various applications. - Upper-Intermediate English -Available ASAP

- 6+ years of experience as a Front-End Engineer, specializing in web application development with Next.js, TypeScript, and JavaScript; - 3+ years of experience with React; - 2+ years of experience with Angular; - UI/UX: Expertise in building interactive and responsive user interfaces with Tailwind CSS, Material-UI, and Styled Components; - State Management: Proficient in Redux, Zustand, and React Context API; API Integration: Hands-on experience with REST API and GraphQL for data fetching and processing; - Testing: Writing unit and integration tests using Jest and React Testing Library; - Methodologies: Agile, Scrum, code reviews, and CI/CD processes; - Experience working on e-commerce, SaaS, and fintech projects within international teams; - Strong focus on performance optimization, user experience improvements, and close collaboration with backend developers.

Software engineer with 9 years of professional experience specializing in front-end development and React Native. Expert in building robust mobile apps and web applications using technologies such as ReactJS, NextJS, Redux, GraphQL, and Firebase.

- Profound knowledge of HTML5/CSS3 including preprocessors, understanding of responsive web design, and proficiency with nactive JavaScript & Frameworks. - Previously worked for Samsung, Hyundai, Mitsubishi as a technical engineer - Upper- intermediate English - Available ASAP

- He is a full-stack developer with over 8 years of experience, specializing in front-end development. - His expertise spans a wide range of modern technologies, including leading frameworks like React, Vue, and Angular on the front end, and Express, Nest, and Meteor with MongoDB on the backend. - For the past 5 years, his primary focus has been on creating seamless user interfaces using React. He brings extensive experience in implementing data-driven chart dashboards, designing front-end architecture, and actively participating in various product phases as required.

I’m Victor, and I am a front-end web developer with one year experience. I mostly specialize in JavaScript, TypeScript, React.js, Ant Design, HTML, CSS, SCSS, Redux. Knowledge of these technologies allowed me to successfully complete multiple projects. I am friendly, independent, and easily can find common ground with team members, so I have no problem with teamwork. I am an open-minded person, and always ready to learn from more experienced colleagues. If you want a reliable and easy-going team member, then let me help you. Working with me, you will receive an individual approach to your project, attention to detail and daily progress reports.

- Engineer with 3+ years full-stack development expertise specializing in interactive web applications. - Strong proficiency in JavaScript/TypeScript, React/Next.js, Node.js/Express.js, MongoDB, MySQL, AWS S3, and CI/CD with GitHub Actions. - Practical experience with cloud services, responsive design, real-time communication, and AI-powered tools evident from diverse projects. - Degree in Computer Science reflecting solid theoretical underpinnings complemented by an Engineering BTEC. Practical application of knowledge demonstrated in various roles. - Diverse portfolio including AI-powered tools, multimedia processing applications, and e-commerce platforms showcases in-depth understanding of SDLC and modern software practices - Adept in team collaboration, problem-solving, and mentoring, with a keen eye for database optimization and system efficiency.