Upstaff Developer Profile Directory

• Senior Full-Stack Engineer with 10+ years designing and deploying scalable SaaS platforms and agentic AI systems using Python, TypeScript, Node.js, and React.
• Expertise in building multi-step autonomous workflows, tool-calling agents, RAG pipelines, and LLM evaluation harnesses leveraging LangChain, OpenAI, Claude APIs, and vector search technologies.
• Holds a Bachelor of Computer Science degree, with extensive experience in software development lifecycle, prompt engineering, agent orchestration, and advanced AI-driven enterprise solutions.

• Unity Game Developer with 6+ years of expertise in C#, multiplayer networking (Photon PUN, Mirror, FishNet), AI-driven NPCs, and reusable gameplay system architecture.
• Delivered 200+ client projects including complex systems for combat, quests, dialogue, vehicle controls, and multiplayer synchronization across PC and Android platforms.
• Proficient in integrating third-party SDKs (Player2, HypeDuel), REST APIs, and optimizing performance for mobile and multiplayer environments.
• Strong background in software engineering principles, OOP, debugging, profiling, version control (Git), and milestone-driven SDLC practices.
• Academic foundation with M.Sc. in Computer Science.

Designed and delivered scalable web and mobile applications using React, Next.js, Node.js, Flutter, and Supabase. Built secure APIs, AI-powered solutions, authentication systems, payment integrations, and responsive user interfaces. Improved application performance, optimized databases, automated workflows, and successfully delivered multiple full-stack projects while collaborating with cross-functional teams to create reliable, user-focused software that met business goals and enhanced customer experiences.

• Backend developer with 4+ years of experience specializing in Golang, SQL, Docker, and cloud-native solutions on AWS and GCP.
• Proven expertise in designing and implementing scalable backend services, SDKs, and cross-cloud integrations with database-level synchronization (pglogical).
• Strong background in blockchain technologies, microservices, and smart contract development using Solidity, Rust, and Typescript.
• Skilled in observability tools (Prometheus, Grafana), authentication mechanisms (JWT, 2FA).
• Holds Bachelor's and Master's degrees in Cybersecurity, combining solid computer science education with practical software development and DevOps practices.

Designed and implemented AI solutions including custom AI agents, Retrieval-Augmented Generation (RAG) applications, and OpenAI integrations. Delivered automation workflows that reduced manual effort, improved customer engagement, and streamlined business operations through scalable, production-ready AI systems.

Successfully supported business owners, entrepreneurs, and growing companies by delivering reliable executive virtual assistant and administrative support. Managed calendars, inboxes, appointment scheduling, customer communication, CRM updates, data entry, lead generation, internet research, document preparation, file organization, travel coordination, and reporting with accuracy and professionalism. Proficient in Google Workspace, Microsoft Office, Excel, Google Sheets, HubSpot CRM, Zoho CRM, Trello, Asana, ClickUp, Slack, Zoom, and Canva, helping businesses improve productivity, streamline operations, save valuable time, and maintain efficient daily workflows.

Successfully managed projects, social media campaigns, SEO strategies, business development initiatives, and business intelligence reporting to drive measurable business growth. Increased brand visibility through data-driven marketing, improved search rankings with effective SEO, generated qualified leads through strategic outreach, and delivered projects on time and within scope. Built interactive dashboards and performance reports that supported smarter business decisions, improved operational efficiency, strengthened client relationships, and consistently delivered high-quality results while meeting business goals and exceeding expectations.

I am a reliable, detail-oriented, and proactive Virtual Assistant dedicated to helping busy entrepreneurs, startups, and growing businesses stay organized and productive. I take pride in delivering high-quality administrative support that allows my clients to focus on growing their business while I handle the day-to-day tasks efficiently and professionally.

My services include:

• Email and inbox management

• Customer service and email support

• File and document organization

• CRM data management

Let's work together to simplify your daily operations, improve productivity, and achieve your business goals.

• Full-stack developer with 5+ years of experience delivering scalable web applications using Vue.js, React, Next.js, Node.js, and Express.js, Nest.js.
• Proficient in TypeScript, Vue 3 Composition API, RESTful API design, and backend microservices architecture.
• Skilled in modern frontend frameworks, Material Design libraries, and responsive UI development with strong emphasis on reusable components and performance optimization.
• Experienced in integrating AI-assisted coding tools (Claude Code, Cursor) to enhance development efficiency and code quality.
• Solid expertise in software development lifecycle, Git, CI/CD, and cloud platforms (AWS, GCP, DigitalOcean).

Main Achievements:

• Built scalable full-stack web applications using modern frameworks and DevOps practices for seamless deployment.
• Developed cross-platform mobile apps with React Native, delivering high-performance user experiences.
• Automated CI/CD pipelines to improve deployment efficiency and reduce manual errors.
• Created responsive front-end solutions that enhance user engagement and site performance.
• Earned certifications in React and DevOps to stay updated with industry best practices.

Designed and optimized modern websites and sales landing pages that improve user experience, mobile responsiveness, and business conversions. Delivered responsive front-end solutions, enhanced website performance, and implemented SEO best practices to help businesses strengthen their online presence. Experienced in web development, website optimization, and creating scalable websites that meet both client and user needs.

I am a senior software architect and blockchain automation engineer , with over 20 years of professional development experience and 4+ years dedicated to crypto, trading bots, WebSocket systems, and SaaS automation platforms.

My career spans enterprise systems, mobile applications, cloud analytics, authentication infrastructure, and large-scale data platforms — evolving into high-performance blockchain automation and bot engineering across Solana and Ethereum ecosystems.

I specialize in building:

• Real-time token tracking systems
• Telegram trading bots
• Solana Token Bundling, Deployment and tracking platforms,
• Rug detection & dev-sell intelligence
• MongoDB-driven analytics platforms
• Event-driven SaaS backends

All systems are designed for 24/7 uptime, restart persistence, and real trader usage — not prototypes.

Core Expertise

Blockchain & Crypto

• Solana Web3.js
• Ethereum (EVM)
• Pump.fun SDK
• Token metadata indexing
• Market cap & liquidity tracking
• Dev-sell detection
• Rugpull analysis
• ATH / ROI analytics
• Wallet behavior monitoring

Bot & Automation Systems

• Trading bots
• Token sniper trackers
• Telegram bots
• Volume simulation bots
• Alert engines
• Subscription lifecycle managers

Real-time ranking systems

• Backend & Protocol Engineering: 7+ years building large-scale, high-performance consensus-layer systems in Go and C++.
• Scalable Data Architecture: Architected high-load EVM indexers, delivering sub-second analytics over 100M+ rows with real-time streaming via REST, gRPC, and SSE.
• Cryptography: Developed ZK circuits (gnark) and secure distributed signing nodes (MPC) using advanced primitives like BLS and ECDSA.
• Network Optimization: Optimized consensus protocols (CasperFFG, LMD-GHOST) and libp2p networking, scaling production networks with up to $2B in market cap.
• Systems Foundation: B.Sc. in Informatics & Applied Mathematics with deep expertise in LLVM and compiler-level optimization.

• Proficient in TypeScript, JavaScript, Python, SQL (PostgreSQL/Plpg SQL), with extensive backend and full-stack development experience using Supabase, PostgreSQL, and REST APIs.
• Developed and maintained complex systems including travel pricing platforms, contract management, and crypto investment dashboards, demonstrating strong database schema design and server-side logic implementation.
• Expertise in bot development with Twilio and WhatsApp Business API, and Python Telegram bots featuring automated scheduling and persistence.
• Skilled in frontend frameworks Vue.js, React, Next.js, and responsive UI design, with deployment experience on Vercel
• Applied SEO optimization

• QA with 4+ years of experience in manual testing for mobile and web applications, specializing in functional, regression, integration, and API testing using tools like Jira, Swagger, and Postman.
• Strong expertise in SDLC and STLC processes, Agile methodology, and defect management, ensuring high-quality product delivery in financial, industrial, logistic and healthcare domains.
• Proficient in RESTful and SOAP API testing, validating request-response structures, authentication, and performance under various scenarios.
• Hands-on experience in designing and executing test cases for complex applications such as financial management, business valuation, and waste management systems..

• 6+ years in enterprise web application development with expertise in Python (FastAPI), Angular, and React.js.
• Proficient in designing and optimizing REST APIs, implementing OAuth 2.0, JWT, SSO, and enhancing Core Web Vitals for performance.
• Hands-on experience with AWS EC2, SSR, Pub/Sub, and integrating backend services with frontend React applications.
• Strong background in Computer Science (B.Tech) and Agile methodologies, contributing to scalable and maintainable software solutions.
• Demonstrated ability in backend FastAPI development and production support for client projects, ensuring robust authentication and API performance.

• Software engineer with 4+ years in cross-platform mobile and front-end development, specializing in React, React Native, and Flutter.
• Proficient in state management (Redux Toolkit, BLoC, Redux Saga), API integration, CI/CD pipelines, and performance optimization.
• Experienced in Agile methodologies, leading teams, mentoring developers, and delivering scalable applications for Android and iOS.
• Developed complex apps featuring real-time communication (Socket.IO), multi-authentication, payment integration (Stripe), and cloud services (Firebase, AWS Amplify).
• Strong background in computer science engineering , applying clean architecture and modular design patterns in production projects.

• Senior Software Developer & Team Lead with 10+ years in backend architecture, REST API design, and cloud infrastructure using Node.js, Python, Laravel, and AWS services including hands-on experience in database design (MySQL, PostgreSQL, MongoDB) and modern software development practices.
• Expertise in AI-powered applications, specializing in RAG systems with LangChain, OpenAI APIs, Ollama, Pinecone, and Qdrant vector databases.
• Proven track record leading scalable web and mobile app projects, including AI-driven recommendation engines and intelligent notification systems.
• Strong command of microservices, serverless architectures, and deployment automation on AWS (EC2, ECS, Lambda, API Gateway).

• Engineer with 5+ years in frontend development, specializing in AI-powered web applications, LLM integrations, and MCP-based workflows.
• Expertise in TypeScript, React, and backend technologies including Node.js, NestJS, REST, and GraphQL APIs.
• Designed and led frontend architecture for complex financial platforms, implementing real-time analytics, multi-provider authentication, and third-party integrations.
• Proficient in AI tooling such as Claude Agent SDK, OpenAI API, and prompt engineering, delivering AI-enhanced automation and intelligent features.

Experienced in Agile methodologies, scalable component systems, performance optimization, and cross-functional collaboration in fintech, Web3 ect.

I am a Full-Stack WordPress Developer focused on building scalable, modular and maintainable systems — not just websites.

• Over 5 years of experience in front-end and full-stack development with deep expertise in Angular (2-21), NgRx, RxJS, and state management for scalable web applications.
• Proficient in modern JavaScript/TypeScript frameworks (React, Redux, Node.js, Nest.js), hands-on experience building complex applications integrating blockchain (Terra.js) and 3D visualizations (Three.js).
• Skilled in RESTful and GraphQL API design, MongoDB, PostgreSQL, and CI/CD pipelines using Jenkins and Bitbucket.
• Delivered high-impact projects such as insurance web tools, crypto exchange platforms, and real-time chat apps, demonstrating strong architectural design, custom authentication, and performance optimization.

• Senior Web Designer with 15+ years in front-end development, specializing in HTML5, Bootstrap 4&5, CSS/SCSS, Angular Material Design, React.js, WordPress, and Shopify development.
• Proven expertise in full HTML development lifecycle for dynamic web projects, integrating responsive design and UI/UX best practices.
• Skilled in design tools including Photoshop, Adobe XD, Figma, and Adobe Illustrator, enhancing creative and technical project delivery.
• Strong background in project management and client relations, delivering high-impact web solutions for diverse industries.
• Experience with version control (GitHub) and modern web frameworks, ensuring maintainable and scalable codebases.

• DevOps Engineer with over 7 years of experience designing and automating scalable cloud infrastructures across AWS, Azure, and GCP, achieving up to 15% cost savings and deployment time reductions.
• Proficient in CI/CD pipeline development using GitHub Actions, Jenkins, ArgoCD, and Flux, enhancing deployment frequency and reliability by 10-15%.
• Expertise in container orchestration and microservices using Kubernetes, Docker, ensuring high availability and fault tolerance with 99.9% uptime.
• Strong background in database optimization, monitoring, and incident management, improving system stability and reducing resolution times by 15%.

• Over 5 years of experience in Software Engineering in Test with expertise in Java, Python, Selenium WebDriver, TestNG, Cucumber BDD, and RestAssured for API and UI automation.
• Proven track record in reducing test cycles by 26%, automating 850+ test cases, and enhancing test stability and execution efficiency using Page Object Model and explicit waits.
• Skilled in building data-driven frameworks, integrating CI/CD pipelines with Jenkins, Maven, Git, and cross-browser testing via SauceLabs.
• Experienced in Agile SCRUM methodologies, driving sprint deliveries, and fostering collaboration across QA, development, and product teams to optimize quality metrics and defect management.

• DevOps Engineer with 6+ years of expertise in automating and scaling AWS cloud infrastructure, reducing costs by 50% and accelerating deployments by 80%.
• Proficient in Terraform, Kubernetes (CKA certified), Jenkins, GitLab CI, and Python scripting, with strong IaC and CI/CD pipeline development skills.
• Led zero-downtime migration of 700+ AWS resources and architected fault-tolerant, auto-scaling distributed systems handling 3M+ data entries.
• Holds a BSc in Computer Science and multiple certifications including AWS Solutions Architect Professional and Certified Kubernetes Administrator.

• Frontend Software Engineer with 3+ years of experience specializing in React.js, Next.js, and modern JavaScript (ES6+), delivering scalable, high-performance web applications.
• Proven expertise in AI integration, including LLM API (Google Gemini, OpenAI) and chatbot development, demonstrated through leading AI-driven SaaS platforms like Cheaper.com.
• Strong background in full SDLC, API orchestration (REST, GraphQL), and performance optimization, achieving up to 35% load speed improvements and 90+ Lighthouse scores.
• Computer Science degree holder with hands-on experience in backend technologies (Node.js, Django REST), database management (PostgreSQL, MySQL), and CI/CD pipelines (GitHub Actions).

• Full Stack Developer with 4+ years of experience architecting scalable web applications using React.js, Next.js, Node.js, and Python frameworks (FastAPI, Django), specializing in AI integration and cloud-native solutions.
• Proficient in designing and optimizing RESTful and GraphQL APIs, microservices, and serverless architectures with expertise in PostgreSQL, MongoDB, Redis, and vector databases (Pinecone, Weaviate).
• Skilled in DevOps practices including CI/CD pipelines, Docker, Kubernetes, AWS services, and automated testing (Jest, Cypress, Playwright) to ensure robust, secure deployments.

Proficient in backend and full-stack development using Python, Go, Java, TypeScript, and PostgreSQL, with hands-on experience building high-throughput API gateways and event-driven microservices.

• Over 20 years of experience architecting scalable software solutions using Java, Kotlin, Spring Boot, and AWS, with a strong focus on migrating legacy monoliths to microservices and SaaS platforms.
• Proven expertise in designing and implementing CI/CD pipelines, automated testing, and operational observability
• Skilled in Agile methodologies, servant leadership, and cross-functional team mentoring
• Author of technical publications on JVM performance, software quality attributes, and engineering team leadership
• Holds M.Sc. and B.Sc. degrees in Computer Science, knowledge of cloud AWS, Kubernetes, Docker, and data stores including PostgreSQL and Elasticsearch.

• 24 years of expertise in full-stack development and enterprise architecture, specializing in Java, SpringBoot, Angular, and microservices.
• Architected high-performance systems including SOLR-based enterprise search
• Proficient in blockchain development with Rust/TypeScript for Solana, building high-frequency trading bots and automation tools.
• Skilled in containerization, Kubernetes orchestration, and CI/CD pipelines with Jenkins and Docker to enhance deployment reliability.
• Experienced in designing scalable cloud-native architectures integrating OAuth2, Keycloak, and advanced middleware for secure authentication and seamless system integration.

• Experienced in Identity and Access Management with hands-on expertise in Cyberark, Active Directory, and Mainframe systems.
• Proficient in Windows and Linux administration, SQL, Oracle, and ServiceNow platform, supporting incident and request management adhering to SLA.
• Engineering background with a B.Tech in Electronics and Communication Engineering, skilled in user provisioning and access control aligned with organizational roles.
• Demonstrated ability in technical issue resolution and process improvement within IT service management frameworks.
• Project experience includes MR image classification using AdaBoost, showcasing applied knowledge in machine learning techniques.