Upstaff Developer Profile Directory

We have an exceptional full-stack developer with over 10 years of specialized Salesforce experience, particularly strong in B2C Commerce solutions. This candidate has successfully delivered enterprise e-commerce platforms for clients across multiple industries, handling both complex back-end architecture and user-facing front-end development.Key Qualifications for Your Project Salesforce Expertise: Extensive experience across Service Cloud, Sales Cloud, Financial Services Cloud, Communications Cloud, and Marketing Cloud, enabling comprehensive platform integration. B2C Commerce Specialization: Proven track record in building custom integration solutions, including SFTP server connections, third-party service frameworks, LINK integrations, and payment processor cartridges for Adyen and Rakuten. Leadership Background: Brings valuable management experience from the power generation industry and e-commerce business ownership, providing both technical depth and business perspective. Team Collaboration: Known for maintaining calm under pressure, inspiring team members, and delivering results in both small agile teams and large enterprise environments. This developer combines deep technical expertise with strong communication skills and a collaborative approach, making them an ideal fit for complex Salesforce B2C Commerce implementations.

The software engineer possesses a strong foundation in IT and administration with experience in website development and digital marketing. They are proficient in WordPress, SEO, Canva, and various computer networking basics. The candidate excels in collaborative environments, having managed farm operations and IT support, demonstrating leadership in diverse roles. Skilled in aligning business requirements with technical solutions, they have a history of contributing to organizational growth through innovative problem-solving. Notably adept at digital marketing strategies, the engineer's skill set is also finely tuned in office administration and industry awareness.

- Highly experienced Head of Data Science with 12+ years of experience in creating and managing DS/ML teams in startups and corporate projects; - Proficient in AI, NLP, Adtech, Fintech, and CV; - Strong leadership skills and a client-oriented approach; - Skilled in Python, SQL, Prompt Engineering, HuggingFace, PyTorch, Scikit-learn, Pandas, LangChain, LlamaIndex, Spacy, GPT, Plotly, GCP, AWS, Azure, Postgre, MongoDB, BigQuery, and Vector DB; - Proactive in implementing innovative approaches for product features using Generative AI, LLM, and GPT; - Experienced in proposing innovative solutions for new business problems and managing teams; - Holds a PhD in Data Science and a Master's degree in Computer Science.

The engineer is a proficient Full-Stack Developer and R&D Engineer with a core focus on cutting-edge technologies encompassing JavaScript, TypeScript, Python, SQL, and C++. They have demonstrated expertise in frameworks and technologies like NestJS, Node.js, React.js, Next.js, Blockchain, and Cosmos SDK, coupled with strong database skills in PostgreSQL, MySQL, Redis, and LevelDB. With extensive hands-on experience in DevOps & tooling such as Docker, Git, Linux, Prometheus, and Grafana, the engineer has successfully designed and developed high-availability full-stack applications. Their professional experience includes leading feature development to shorten time-to-market and significantly improving system performance and stability through strategic optimizations. The engineer's deep understanding of RESTful APIs, microservices architecture, and workflow orchestration underscores a commitment to technical excellence in software development practices. Notable achievements include architecting critical blockchain integrations and real-time data streaming functionalities for varied user-intensive platforms. Holding a B.Tech in Computer Science from Medicaps University with a notable academic record further anchors their theoretical understanding and practical application of software engineering principles, securing the foundation for continued professional growth and contribution to technology innovation.

Senior PHP Back-end Developer with a strong background in computer science and extensive expertise in the Laravel and Symfony frameworks, boasting over 15 years in the industry and mastery in full-stack technologies. Proficient in database management with MySQL and PostgreSQL, and skilled in the use of design patterns, SOLID principles, and OOP to enhance software architecture and code quality. Demonstrates advanced knowledge in implementing and optimizing REST APIs, Kafka message brokering, and pioneering large-scale data operations. Experienced in fostering agile and TDD methodologies to drive continuous integration and delivery, underscoring technical leadership through mentorship and development of innovative web applications.

Accomplished Software Engineer with 5 years of in-depth experience in mobile and software development primarily focused on React Native, ReactJS, and TypeScript. Demonstrated proficiency in leveraging advanced JavaScript technologies such as Redux and ES6 to build robust mobile applications. Led a technical team and mentored engineers in creating market-centric apps and websites, ensuring adherence to best practices in software development. Key project contributions include the implementation of react-native-firebase for notifications and analytics, and development of complex features for barcode and RFID reader applications. The engineer's academic background in Information Technology fortifies their technical expertise, and a penchant for continuous learning in mobile programming underpins their evolving mastery of the software engineering domain.

Accomplished Senior React Native Developer with a solid 7-year track record in mobile application development, underpinned by a bachelor's degree in Computer Science and Engineering. Expert command of React Native, JavaScript, and TypeScript, complemented by proficiency in leveraging ancillary technologies such as Redux, Firebase, and RESTful services. Demonstrated prowess in modern software engineering practices, including unit testing, code reviews, SDLC, and agile methodologies. Adept at fostering junior developers' growth while navigating complex project ecosystems and enhancing app performance and user experience, distinguishing themselves as a potent candidate for technology-driven roles.

A senior software engineer with over 6 years of full-stack experience specializing in React, TypeScript, and Node.js. This engineer has a proven track record of enhancing user engagement and retention through innovative UI design and application development. Their technical proficiency is demonstrated by significant contributions to a SaaS startup, including a 20% customer retention increase, and internal tooling that improved staff participation and satisfaction. Holding a Bachelor's in Computer Science and pursuing an Executive MBA with an AI specialization, they combine strong educational foundations with practical expertise in JavaScript frameworks, API integrations, and developing scalable, performance-optimized features. Strategic projects like the AI-powered skill assessment app illustrate their ability to leverage cutting-edge technologies to deliver impactful solutions.

Experienced Software Engineer with over 14 years of commercial development experience. Strong expertise in object-oriented programming, full-stack development, and cloud architecture. Proven leadership in managing both small and large engineering teams. Committed to delivering high-quality, scalable, and efficient software solutions across diverse platforms.

- Senior AI/ML engineer with hands-on experience in GenAI platforms, LLM orchestration, and RAG pipelines; - Skilled in Python and C# for backend services, chatbot architecture, and AI integration pipelines; - Built and deployed RAG systems using Azure OpenAI, AI Search, and LangChain; - Developed Whisper-based transcription pipelines with speaker diarization for business meeting summarization; - Integrated OpenAI models and multimodal embeddings into workflow automation tools like Jira and Trello; - Experience in distributed processing with Celery, RabbitMQ, and Redis for asynchronous task execution; - Deployed scalable AI services in Azure and AWS environments, using Kubernetes, Helm, and Azure DevOps; - Built real-time event processing and notification systems using Kafka and Apache Camel; -Designed APIs and backend services for customer support chatbots, voice platforms, and CRM integration; - Applied prompt engineering, testing (xUnit, pytest), and CI/CD automation across multiple AI initiatives.

- Experienced full-stack developer with 13 years of experience in software development - 6+ years in top-level and lead positions. - Proficient in organizing work, delegating tasks, and leading by example to accomplish team goals. - Adept in problem-solving, managing project progress, and communicating progress to stakeholders. -Skilled in coaching and motivating team members to improve their skills and reach their full potential. -Well-versed in Angular, Angular.js, Angular Material, React, Bootstrap, Node.js, Express, Nest.js, Loopback, MySQL, MongoDB, GraphQL, AWS, AWS S3, AWS Amplify, Electron, Ionic Framework, Flutter, and React Native.

- Full-Stack .NET Engineer with 16 years of experience developing innovative products and leading teams and companies in the IT sector. - Has 6+ years of experience working with payment systems integrating MasterCard, Visa, Payoneer, and PayPal into the user's programs. - Has 4 years of experience with Sitecore in different domains like Hospitality, Tourism, and Automotive. - Expertise in system architecture, analytics, optimization, DevOps - Proficient in C# and .NET framework, with extensive experience in ASP.NET Core, Blazor, and Electron.NET. - Strong background in implementing DevOps practices, including continuous integration and continuous deployment (CI/CD), version control using Git, and automation with tools like Jenkins and Azure DevOps. - Led and managed teams in various roles such as Team Lead, Architect, and DevOps. Demonstrated leadership skills in defining goals, assigning tasks, and ensuring project success.

- 5+ years in web and mobile development (Node.js, NestJS, Next.js, React); - AWS and GCP clouds, including Serverless Framework for serverless app deployment; - PostgreSQL, MongoDB, Docker, and microservice-based architecture; - Delivered real-time features using WebSockets for game logic and session state, REST and GraphQL APIs with Express.js and NestJS; - Experience with billing, auth, and dashboard modules for SaaS, fitness, and e-commerce platforms. Integrated Stripe and Google/Auth for billing and authentication; - Applied CI/CD, unit testing, and agile workflows across all projects

Vladyslav S. is a Senior JavaScript Developer with 6+ years of experience specializing in React.js, React Native, and Node.js. Experienced with AWS services (Lambda, ECS, RDS, DynamoDB), Firebase, Terraform, and CI/CD pipelines (GitHub Actions, Docker). Proficient in REST APIs, state management (Redux, MobX), and modern frontend frameworks like Next.js and Angular. Strong team collaborator with clean code practices and a focus on scalable architecture.

I am a Quadient developer looking for job in Netherlands. I have 9 years of relevant exp and immediate joiner

* Machine Learning Engineer with over six years of experience in AI and machine learning. * Specializes in recommendation systems, predictive analytics, and computer vision solutions. * Experience with predictive models for demand forecasting and property valuation, optimizing inventory and decision-making processes.

- Full-stack web developer with more than 9 years of commercial experience. - Has worked on a wide range of projects, including financial remittance systems, medical appointment websites, and payment systems for electronic document exchange services. - Has experience working with a range of technologies including ASP.NET Core, .NET Core, EF Core, TypeScript, Node.js, Microservices, Kafka, Azure, AWS, Angular, React, Vue.js, and WPF. - Strong bug-fixing skills and experience with DevOps responsibilities. - Upper-Intermediate English

Software Engineer with 5+ years of backend development expertise, focusing on API construction, microservices management, and database performance optimization. Proficient in PHP, Node.js, NestJS, JavaScript, TypeScript, MySQL, and PostgreSQL. Holds a Bachelor degree in Science and has worked on enhancing Shopify web applications and designing scalable backend infrastructures. Known for optimizing MySQL queries to increase performance and improve server stability under high load conditions, resulting in more efficient and maintainable systems.

Lead Full Stack Developer with 5+ years of experience specializing in developing scalable web applications and architecting cloud-native solutions. Extensive experience with a wide range of technologies like JavaScript (ES6+), TypeScript, Python, React.js, Node.js, AWS, and DevOps tools including Docker and Kubernetes. Proven track record in leading teams, improving system performance, and integrating advanced security measures. Holds a strong background in Computer Science with a high GPA and certifications in AWS and Google Cloud. Recognized for contributions to the tech community and excellence in optimizing real-time systems.

A seasoned Full Stack Developer brings over six years of experience, specialized in JavaScript, Golang, and React Native, with profound knowledge of modern frameworks like NextJS and NestJS. Proven track record in leading projects from inception to launch, showcased through success in diverse domains such as Legal Tech, AgriTech, and Health. Demonstrates expertise in writing efficient, optimized code, backed by the ability to guide design efforts and manage installations for on-time product rollouts. Familiar with CI-CD pipelines, evident from setting up CircleCI, and skilled in complex technology ecosystems, including Microservices, Kubernetes, Docker, and AWS. Adept at full lifecycle software development practices, integrating various technologies with a focus on robust, scalable web and server solutions.

- 8+ years of experience in software development with a focus on JavaScript, TypeScript, and full-stack engineering; - Built complex web applications using React.js, Angular, and React Native across edtech, healthtech, e-commerce, and banking projects; - Developed cross-platform interfaces, including AI-powered chatbots with Whisper and Heygen, and real-time messaging platforms; - Worked with Redux Toolkit, RxJS, Nest.js, and Express for scalable state management and backend logic; - Delivered serverless APIs using AWS Lambda, API Gateway, Cognito, and integrated MongoDB via Mongoose; - Experienced in performance optimization, refactoring, bug fixing, and CI/CD using the Serverless Framework; - Built and maintained responsive UIs with accessibility, mobile support, and data visualization features; - Participated in team-based delivery with cross-functional collaboration and code quality improvements.

- Full-stack software developer with 15 years of experience - Expert in C#, asp.net, asp.net MVC, .net core, native JS, Jquery, Angular 1 and 2+ generation, and other technologies in the web development stack. - I have experience in C\C++, WinApi, COM, MFC and other technology stacks and I can work with the intersection of these technologies - My experience includes team and technical management, mentoring, and project management for new teams - Industries: Logistics and transportation, business intelligence, insurance and reinsurance, healthcare, government, information technology and services, professional services, computer software. - Upper-intermediate English

Software engineer with practical experience in full-stack web development, encompassing HTML, CSS, JavaScript, Node.js, and MongoDB. Proven track record with internships at CodeCraft Solutions and Nestsoft Technologies, demonstrating strong initiative, self-motivation, and real-world project management. Robust educational foundation with a Bachelor's in Computer Applications plus a specialization in Cyber Security. Developed a Master Study Portal project, showcasing skills in front-end and back-end development, RESTful API integration, and database management using Mongoose. Competent in version control with Git, and proficient with modern development tools such as GitHub and VS Code. Technical skill set further includes Bootstrap, Express.js, and REST API development.

Software engineer possesses robust problem-solving skills and experience in writing scalable code. Specializes in Delphi RAD Studio, with hands-on experience in ETL operations and third-party integration (Kawasaki, Honda, Briggs & Stratton, etc.). Brings proficiency in Azure Cloud Services, Salesforce (Admin + Developer), and diverse programming languages including C and C#. Holds certifications in Salesforce Platform Developer I, Azure Developer Associate, and Azure DevOps Expert. Educational background includes a BS in IT and an M.Sc in Criminology & Security Studies. Over 4 years of experience as a Senior Software Developer and adept in SMS/Email systems, payment gateways, and accounting software integrations.

An adept Senior Software Engineer with a strong background in Elixir/Phoenix, robust API development, and systems scalability. Engineered the 'Wukong API Proxy' to streamline deployment timelines at Mindvalley, resulting in significant reduction of developer wait times. Skillfully managed Robu Sdn Bhd’s software team, developing its B2B2C platform and ensuring efficient cloud-based deployments. At Fave, excelled in site reliability while transitioning infrastructure from AWS to GCP and enhanced web app performances via Elixir optimizations. With a Bachelor's in IT from Universiti Teknologi Petronas, the candidate demonstrates a solid grasp of software development. Emphasizes AI-assisted workflows, mastering languages like Ruby on Rails, Elm/React, and Rust, and diversifies with a foundational understanding of cryptography and blockchain technologies.

Expert with PHP, Symfony, Relational and No-SQL databases. Hands on AWS, Gitlab Ci/CD

Software engineer with over 20 years of experience in core banking system implementations and integrations, with a strong background in computer science and business administration. Expertise in leading integration teams, developing system functionalities and managing end-to-end project deliverables. Proven track record in supervising technical teams, engaging with business stakeholders, and providing solutions within the financial services industry. Hands-on experience with Temenos OFS, CRPL Cash Management, and Oracle Financials, evidenced by successful project completions. Adept in SDLC, Agile methodologies, and possess ITIL and PMI-ACP certifications, signifying a commitment to best practices and continuous improvement in the IT sector.

Seasoned Head of Engineering with 8+ years of experience in driving technical strategy and leading multidisciplinary development teams. Expertise in AI, blockchain, and full-stack custom software solutions including MERN stack, PHP, and MySQL. Proven track record at Macromodule Technologies, shaping engineering culture with agile principles and maintaining focus on delivering business-aligned, future-ready software products. Holds a Bachelor of Science in Computer Science and has previously elevated backend systems at Dtech Systems and spearheaded full-stack projects at ArhamSoft. Known for integrating emerging technologies and establishing engineering KPIs that foster continuous improvement and technical excellence.

- More than 15 years of experience in IT; - 4+ years of experience as a DevOps engineer; - 4+ experience with Kubernetes, Docker, and Terraform; - Good understanding of AWS Cloud Platform; - 2+ experience with Grafana; - Creating new development environments in the AWS cloud; - Deep skills in creating new development environments in the AWS Cloud; - Experience with migration to AWS; - Good knowledge of creating infrastructure and Security levels on AWS; - Experience working with databases; - Good skills in working with high loads; - ASAP

Seasoned software engineer with over 21 years of industry experience, specializing in Java enterprise architectures and full-stack development. Known for executing robust back-end systems using frameworks like Spring, with prowess in front-end technologies like React. Demonstrated expertise in adapting and implementing SOA, REST, and design patterns, which enhance software design and problem-solving effectiveness. Strong history of engaging in complex projects, including NFT marketplaces and web analytics systems using diverse technologies (AWS, SOLR, Lambda). Proven record of delivering end-to-end solutions from architecting secure authentication infrastructures to crafting real-time mobile apps for contact tracing. Educated in Electrical, Electronics, and Communications Engineering, leveraging a deep understanding of the software development lifecycle and agile methodologies to lead multidisciplinary projects successfully.

Highly experienced software engineer with over 10 years in QA, leading various QA teams and projects. - Expertise in testing automation tools Appium, Selenium, Cypress, WebDriver, and Protractor; - Experience with Java, Groovy, JavaScript, and TypeScript; - Skilled in creating test automation frameworks for Web UI/API/Mobile platforms; - Proficient in developing test documentation such as test plans, test cases, and incident reports; - Good understanding of systems development life cycle methodology and QA methodology and tools; - Strong knowledge of CI environment configuration and different operating systems (Windows, Linux); - Ability to quickly learn new technologies and approaches and implement them effectively.