Upstaff Developer Profile Directory
- Dedicated Full-time commitment for long-term or Time& Material for shorter or ongoing support
- Europe, Israel, LatAm, United States, Asia geography coverage
- Remote and hybrid engagement
- Trial period, no termination fees or hidden costs for transparent and risk-free onboarding.
- Senior Full-Stack Engineer with 10+ years of experience delivering enterprise-grade web applications using React, Next.js, TypeScript, Python, and cloud-native technologies.
- Expertise in designing and integrating REST APIs, backend services with Django REST Framework and FastAPI, and optimizing frontend performance with reusable components and advanced state management.
- Proficient in containerization and orchestration using Docker and Kubernetes, with hands-on experience in AWS-hosted CI/CD pipelines and GitHub Actions for stable, efficient releases.
- Strong background in agile software development, technical documentation, and client collaboration to translate complex business requirements into scalable technical solutions.
- Holds a Bachelor of Computer Science degree and completed advanced training in React, Redux, and Python design patterns, ensuring up-to-date engineering practices and design principles.
- 15+ years of professional experience in software engineering, including 10+ years specializing in Ruby on Rails.
- Skilled in Ruby, Ruby on Rails, JavaScript/TypeScript, React JS, Angular JS, and RESTful API design, cloud platforms (AWS, Azure, GCP) and containerization (Docker, Vagrant).
- Experience in software architecture, design patterns, UML, MVC, TDD, BDD, and Agile methodologies (Scrum, Kanban, XP), SDLC.
- Leadership in large-scale projects including telemedicine, legal services, and e-commerce platforms, driving architecture, team coaching, and performance optimization (Elasticsearch, Sidekiq), and advanced database technologies (MySQL, PostgreSQL, MongoDB).
- Skilled in memory optimization, big data processing, API integration, code refactoring, and comprehensive documentation, delivering scalable and maintainable solutions across diverse domains.
- Senior Software Engineer with 10+ years of expertise in scalable web applications and distributed systems using JavaScript, TypeScript, React.js, Node.js, and Python.
- Proven leadership in transitioning to event-sourcing architectures, achieving 39× faster read query performance and enhancing system scalability.
- Extensive experience in microservices, REST API development, and database optimization with MongoDB and PostgreSQL for high-performance applications.
- Skilled in integrating AI-powered development tools like Claude Code and Cursor IDE to boost engineering productivity and innovation.
- Strong background in full software development lifecycle, team mentoring, and delivering complex solutions across diverse domains including industrial monitoring, telecommunication, and asset trading.
- 12+ years of professional experience specializing in Ruby on Rails development, DevOps engineering, and team leadership.
- Skilled in Ruby, Rails, SQL, MongoDB, Terraform, Docker, AWS, and Hetzner.
- Ability to optimize backend logic, database queries, and application performance, including resolving complex memory leaks and enhancing system reliability.
- Skilled in integrating frontend technologies such as ReactJS and CoffeeScript, and implementing CI/CD pipelines, infrastructure as code, and containerization.
- Experienced in leading teams, coordinating workloads, mentoring developers, and managing client requirements to deliver high-quality software solutions.
- Software engineer with 4+ years of experience specializing in backend development using PHP, Laravel, Phalcon, and Symfony, delivering optimized web applications and scalable APIs.
- Proficient in database design and management with MySQL, Redis, and Elasticsearch, alongside expertise in queue processing and performance optimization.
- Skilled in cloud infrastructure and DevOps tools including Docker, AWS (EC2, S3, CloudWatch), Azure, Nginx, Linux, and CI/CD pipelines to ensure robust deployment workflows.
- Strong foundation in computer science with a Bachelor's degree, covering algorithms, data structures, design patterns, OOP, SOLID principles, and multiple programming paradigms.
- Experience mentoring developers and integrating complex APIs, with additional knowledge in C++, JavaScript, and machine learning concepts, contributing to diverse project success.
- Software Engineer with 5+ years of experience in .NET Core, C#, ASP.NET Core, and TypeScript.
- Experienced in cloud and integration development (Azure Functions, Logic Apps), and AWS, with a focus on event-driven and distributed systems (RabbitMQ, Redis, Hangfire).
- Skilled in designing integration workflows, data transformation pipelines, and solutions aligned with iPaaS and ETL principles.
- Experience in modernizing legacy systems and migrating to cloud-native, microservices, and API-led architectures.
- Skilled in REST, gRPC, and database design (PostgreSQL, MSSQL, MongoDB), along with CI/CD and testing.
- Senior Full Stack Engineer with 5+ years of experience developing web and mobile applications;
- Implemented APIs and microservices with Node.js, Nest.js, PostgreSQL, including caching, queue management, and AWS infrastructure (Proxet, NovaPay, and Web3 Startup);
- Built interfaces and component libraries using React, Vue, React Native, Next.js, TypeScript, and JavaScript (Proxet (SSR web platform), NovaPay (mobile app), and Web3 Dashboard);
- Experienced in fintech, Web3, and enterprise platforms, delivering production features, maintaining existing systems, and working in Agile teams.
- Senior Machine Learning Engineer with 10+ years architecting scalable AI systems, specializing in deep learning, LLM orchestration, and MLOps across AWS, Azure, and Databricks.
- Expertise in Python, C++, Java, Rust, and Go, with advanced skills in PyTorch, TensorFlow, LangChain, Kubernetes, and distributed computing frameworks.
- Proven track record delivering enterprise-grade AI products including multi-agent LangGraph pipelines, real-time voice tutoring platforms, and decentralized ML infrastructure.
- Strong background in computer vision, NLP, and autonomous systems, with hands-on experience in YOLO, OpenCV, CUDA, and GPU optimization.
- Master’s degree in Computer Science, skilled in CI/CD, containerization, microservices, and compliance-driven software development for high-impact AI applications.
- Over 11 years of experience in backend and full-stack development with expertise in Python (Django, Flask, FastAPI) and JavaScript frameworks (Angular, Vue.js, React).
- Proficient in designing scalable microservices and monolithic architectures, optimizing API performance (e.g., reducing heavy request times from minutes to under 1 second).
- Strong skills in DevOps and cloud infrastructure including AWS, Docker, Jenkins CI/CD, and infrastructure automation with Ansible.
- Hands-on experience with databases (PostgreSQL, MySQL, ClickHouse, Neo4j), caching, messaging systems (Kafka, Redis), and search technologies (Elasticsearch, Solr).
- Computer Science education with a Bachelor’s degree in Automated Systems of Information Processing; led teams and delivered complex features improving system responsiveness and client satisfaction.
- Undergraduate in BSc Software Engineering at Cardiff Metropolitan University with hands-on experience in full stack web and API development.
- Proficient in C#, Java, PHP, ASP.NET Core, Entity Framework Core, React, and mobile development using Java/Kotlin and Android Studio.
- Developed multiple real-world projects including e-commerce platforms, veterinary management systems, and freelance service marketplaces using SQL Server, MySQL, and SQLite databases.
- Skilled in building responsive, user-friendly web applications and backend APIs following modern software development practices and version control with Git.
- Experience in end-to-end software development lifecycle, from requirement analysis to deployment, demonstrated through academic and freelance projects.
- Senior Backend Engineer with 7+ years of expertise in designing and deploying scalable, secure backend systems and AI-powered platforms using Python, Django, Flask, and FastAPI.
- Proficient in integrating databases (MySQL, PostgreSQL, MongoDB) with ORM tools like Django ORM and SQLAlchemy, and experienced in cloud-native architectures across AWS, Azure, and GCP.
- Hands-on experience in AI/ML, LLM inference, Agentic RAG pipelines, and productionizing intelligent systems for real-time, high-traffic consumer applications.
- Strong engineering background with a Master’s in Computer Application and top academic performance, complemented by leadership roles mentoring development teams and managing end-to-end project delivery.
- Skilled in distributed systems, API development, automation, cybersecurity best practices, and modern software development methodologies ensuring system stability and performance.
- AI/ML Engineer with 8+ years leading projects in computer vision, NLP, and predictive modeling, leveraging Python, C++, and cloud platforms (AWS, Azure, GCP).
- Expertise in designing scalable ML pipelines, time series forecasting, and real-time data processing using TensorFlow, PyTorch, Spark, and MLflow.
- Proven track record managing teams and delivering AI-driven solutions including automated lead generation, chatbot systems, and image-based product classification.
- Strong background in applied mathematics with Master’s degree, skilled in advanced algorithms, ensemble methods, and deep learning architectures (CNNs, Transformers, GNNs).
- Hands-on experience with databases (MySQL, PostgreSQL), containerization (Docker), and cloud-native services for end-to-end ML lifecycle management.
- Senior Frontend Engineer with 6+ years of expertise in React.js, Next.js, TypeScript, and modern frontend architectures, delivering high-performance trading interfaces and blockchain-enabled applications.
- Proficient in state management (Redux Toolkit, MobX), UI frameworks (Tailwind CSS, Material UI), and Web3 integrations including wallet connections and smart contract interactions.
- Led development of scalable crypto exchange platforms with real-time data processing, multi-currency wallet management, and KYC/AML compliance workflows.
- Experienced in Agile methodologies, CI/CD pipelines, and test-driven development using Jest, React Testing Library, and Cypress to ensure robust, maintainable codebases.
- Holds a Bachelor's degree in Information Technologies, with strong skills in backend (Node.js, NestJS), databases (MongoDB, PostgreSQL), and cloud DevOps (Docker, AWS, Azure).
Palm Infotech is a leading Software and App Development Company offering tailor-made mobile and web solutions for startups, SMEs, and enterprises. We specialize in Android, iOS, NodeJS, React Js, Fluter and cross-platform apps with ERP integration, and are known for building high-performance products like fantasy sports apps, astrology-based platforms, food and grocery delivery apps, taxi booking systems, clinic management tools, and other on-demand applications. From MVP implementation to robust order management systems, our team focuses on scalable, intuitive, and AI-powered apps that align with business goals. With expertise in UI/UX, backend architecture, and third-party integration, we deliver end-to-end development along with ongoing maintenance and post-launch support. Palm Infotech is trusted for its timely delivery, responsive communication, and quality-driven development across industries.
- Software engineer with 7+ years of experience specializing in full-stack development using JavaScript/TypeScript, C#, Go, and Python across macOS, Unix, and Linux environments.
- Proven expertise in architecting scalable microservices, event-driven systems, and cloud-native applications leveraging AWS, Azure, GCP, Kubernetes, Docker, and CI/CD pipelines.
- Strong background in designing and optimizing databases (PostgreSQL, MongoDB, Cassandra, Neo4j) and implementing high-performance caching and real-time data streaming solutions with Kafka and Redis.
- Skilled in modern frameworks and tools including Node.js, Nest.js, React, Django, and Spring, with hands-on experience in OAuth 2.0, JWT security, and compliance with ISO 27001 and GDPR.
- Computer Science degree with demonstrated success in improving system performance by up to 40%, automating workflows, and leading migrations from monolithic to microservices architectures.
- 15+ years of experience in IT;
- Strong knowledge in Mathematics and physics (over 30 scientific publications);
- Data Engineering and Data Architecture Experience
- System-level programming, OOP and OOD, functional programming;
- Profiling and optimizing code; Writing reliable code; Writing product documentation, supporting products;
- Team working, team leading; Mentoring skills as a senior developer;
- Experienced Data Engineer and BI Developer with 6+ years of expertise in Database Design and Business Intelligence Development.
- Proficient in cloud technologies such as Amazon Web Services (AWS), Google Cloud Platform, and Microsoft Azure.
- Skilled in building high-performance data integration and workflow solutions, including ETL operations for data warehousing and supporting OLAP, OLTP, and Data warehouse systems. Experience in optimizing DWH performance and automating data pipelines;
- Modern data engineer skills such as data modeling, data warehousing, data lake, data governance, and data quality.
- Experience with big data technologies such as Hadoop, Spark, and Kafka, and experience with data streaming and real-time data processing.
- Proficiency in SQL and NoSQL databases, Snowflake, and ClickHouse
- Data visualization tools such as Tableau or Power BI.
- Programming languages such as Python, Java, or Scala, and understanding of machine learning concepts, with experience building and deploying machine learning models.
- Experience with CI/CD, data governance, and security best practices.
- Front-End Developer with expertise in React.js and Flutter, delivering responsive, high-performance web and cross-platform mobile applications.
- Proficient in translating UI/UX designs into scalable, pixel-perfect interfaces, with strong skills in component-based architecture and performance optimization.
- Experience in Agile methodologies, collaborating with cross-functional teams to deploy digital solutions and enhance user engagement.
- Background in Agricultural & Bio-environmental Engineering with additional certifications in Business Strategy, CRM, HR, and Project Management.
- Hands-on knowledge of blockchain technology and decentralized platforms, complemented by full-stack development experience using Java and Asp.Net.
- Proficient in TypeScript and Node.js with hands-on experience in building scalable backend systems and real-time integrations using Bun runtime.
- Developed a multi-account Discord-to-Telegram message bridge featuring modular dependency injection, GPT-4o-mini translation, advanced content filtering, and robust proxy/captcha handling with MongoDB persistence.
- Skilled in Telegram bot development using Telegraf and node-canvas, implementing multiplayer game logic and dynamic graphical rendering.
- Experienced with REST APIs, WebSockets, OpenAI API integrations, and complex asynchronous workflows emphasizing clean, maintainable code architecture.
- Self-taught with a strong focus on practical software engineering principles, modular design patterns, and delivering client-ready solutions under tight deadlines.
$4500/month