Upstaff Developer Profile Directory

• Senior software and business systems consultant with 8+ years delivering Java/Spring backends and React, Angular and TypeScript frontends across enterprise, product and outsourcing environments.
• Connects business requirements with system design, integrations, implementation, deployment and production support for SaaS, ERP/back-office, fintech and IoT work.
• Hands-on with secure REST APIs, OAuth2/JWT, PostgreSQL, Docker, CI/CD, MQTT, automated testing and production diagnostics.

Works directly with owners, managers, product, operations, marketing, sales and engineering teams; coordinates delivery, supports international stakeholders and mentors developers.

• 3.5 years in fintech and regulated banking with expertise in SQL, Python, and data governance.
• Engineered MBR SQL reporting framework processing 55K+ on-chain transactions, adopted as single source of truth for leadership.
• Developed fraud detection pipeline normalizing multi-account wallets across 4 chains, preserving revenue integrity.
• Automated Finance data validation reducing manual effort by 60%, achieving zero post-production defects across 3 UAT cycles.
• Skilled in Power BI, Apache Superset, cohort analysis, unit economics, and Agile methodologies driving data-driven decision making.

• Engineer with 15+ years in backend and full-stack development, specializing in scalable, high-load system architectures.
• Expertise in NodeJS, PHP (Symfony, Zend), and databases including PostgreSQL, MongoDB, and MySQL.
• Led development teams, conducted code reviews, and designed enterprise-grade backend solutions.
• Proficient in REST API, GraphQL, messaging systems (RabbitMQ, Kafka), and cloud-native tools like Docker and Kubernetes.
• Strong foundation in OOP, design patterns, TDD, BDD, and Agile methodologies, supported by a Master’s in Software for Automated Systems.

• Engineer with 15+ years in backend and full-stack development, specializing in scalable, high-load system architectures.
• Proficient in NodeJS, PHP (Symfony, Zend), and databases including PostgreSQL, MongoDB, and MySQL.
• Experienced in leading development teams, performing code reviews, and designing enterprise-grade backend solutions.
• Skilled in REST API, GraphQL, messaging systems (RabbitMQ, Kafka), and cloud-native tools like Docker and Kubernetes.
• Strong foundation in OOP, design patterns, TDD, BDD, and Agile methodologies, supported by a Master’s in Software for Automated Systems.

Developed scalable Node.js/TypeScript backend applications and REST APIs for production environments.

Built modular NestJS services and microservice architectures to support growing application workloads.

Optimized database queries, API performance, and backend processes to improve reliability and response times.

Integrated third-party APIs, authentication systems, caching, and automated deployment workflows.

Improved code maintainability through clean architecture, reusable components, testing, and strong TypeScript practices.

• Software Architect with 10+ years in designing scalable AI-driven backend systems, specializing in Generative AI, LLMs, and RAG pipelines using LangChain and Weaviate.
• Expertise in cloud-native deployments on AWS Bedrock, Azure OpenAI, Kubernetes, and MLOps with CI/CD pipelines using Docker, CircleCI, and GitHub Actions.
• Led architecture and implementation of AI-powered healthcare apps automating IVR call systems and gift card backend platforms with Kafka, Redis, and microservices.
• Skilled in monitoring and observability using Grafana, Prometheus, and OpenTelemetry to maintain production-ready AI systems and ensure high performance.

• DevOps Engineer with 6+ years managing multi-tenant AWS cloud platforms, enforcing strict tenant isolation and security across 100+ client environments
• Expertise in Kubernetes (EKS, 40+ clusters), GitOps (Argo CD, GitHub Actions), and Infrastructure as Code (Terraform, Ansible)
• Led cloud migrations for major banks and retail, optimizing CI/CD pipelines and multi-account networking with Transit Gateways and IAM
• Implemented layered security using Wazuh, Trivy, DefectDojo, Prowler, and AWS native tools, driving SOC 2 readiness and compliance culture
• Background in observability stacks (Prometheus, Grafana, Datadog), cost optimization, and large-scale data migrations with cross-region AWS services

• Ruby on Rails expert with 4+ years in fintech backend systems processing $2B+ in transfers, skilled in Active Record, Sidekiq, Redis caching.
• Proficient in Solidity smart contract development and security auditing using Slither, Foundry; built 28+ DeFi contracts.
• Experienced in full stack development with React, React Native, Next.js, NestJS, and Hotwire for scalable web and mobile apps.
• Strong CI/CD, automated testing (RSpec, FactoryBot, Playwright), and AI-assisted development using Claude Code, Codex, and RAG pipelines.
• Mathematics degree with top honors, advanced blockchain security certification, and ongoing AI/ML training emphasizing MLOps and scalable pipelines.

• Senior Software Engineer with 10+ years in cross-platform mobile development (.NET MAUI, Xamarin, Flutter), C#, and .NET.
• Led migration of legacy Xamarin apps to .NET MAUI and Flutter, modernizing enterprise mobile solutions.
• Designed reusable mobile architectures, integrated REST APIs, Azure AD, Microsoft Intune MDM, and native iOS libraries.
• Implemented CI/CD pipelines with Azure DevOps and GitHub Actions, enhancing automation and deployment workflows.

• AWS Certified Cloud Practitioner with hands-on experience in Node.js, TypeScript, REST APIs, and AWS services including Lambda, S3, DynamoDB, and EventBridge.
• Proficient in CI/CD pipelines using GitHub Actions and Jenkins, with expertise in automated testing frameworks like Jest for unit and integration testing.
• Developed and deployed scalable cloud-hosted SaaS platforms and backend systems with secure authentication (JWT, Argon2) and infrastructure as code (CloudFormation).
• Strong background in backend development, API design, deployment automation, and production troubleshooting on Linux and AWS EC2 environments.

• Full-Stack Developer skilled in Next.js, React, TypeScript, Node.js, and Prisma with hands-on experience building scalable e-commerce platforms and secure REST APIs.
• Expertise in cybersecurity tools including web vulnerability and malware scanners, emphasizing security-focused software development.
• Proficient in backend technologies: Express, MongoDB, JWT, NextAuth, and frontend styling with Tailwind CSS.
• Experienced with Linux environments, Docker, Git, and continuous learning in Web3 integrations like MetaMask, wagmi, and smart contract interaction.
• Certified in Cybersecurity Fundamentals and Cyber Attack basics, combining software engineering with security best practices.

• Principal Solutions Architect with 8+ years in Kubernetes (EKS, AKS, OpenShift), cloud-native architecture, and generative AI for real-time financial fraud detection
• Led cloud transformation for 150+ enterprise customers, including Fortune 500, specializing in scalable, resilient platforms on AWS, Azure, and hybrid clouds
• Expertise in DevOps, SRE, GitOps (ArgoCD, Flux), IaC (Terraform, Bicep), and multi-cluster Kubernetes strategies in regulated environments
• Skilled in designing and optimizing high-throughput, cost-efficient systems with low latency and massive data scale
• Experience in Python, .NET, and automation tooling, plus leadership in cloud solution architecture and container adoption

• Engineer with a B.Sc. in Mechatronics Engineering and Full Stack Developer certification, skilled in JavaScript, TypeScript, React, Astro JS, Node.js, and backend services.
• Proven experience in developing high-performance web applications and Shopify apps, focusing on UX and speed optimization.
• Expertise in integrating analytics tools like Segment, Google Analytics, and Facebook Pixel for data-driven marketing and product decisions.
• Strong background in migrating legacy systems to modern stacks and automating data processing with Python scripts.
• Proficient with modern development tools including Git, Docker, Jira, and Figma, ensuring efficient collaboration and deployment.

IMPERIA X | Digital Agency | Founder & Marketing Lead | 2014 - Present

We build websites that sell + traffic that brings clients.

12 years experience. 50+ projects. In-house team: Developers, SEO, PPC, SMM, Designers.

SERVICES:

- Website Development: Corporate sites, Landing Pages, E-commerce, Web Apps

- Paid Traffic: Google Ads, Meta Ads, Context

- Growth: SEO, SMM, Analytics, CRO

KEY PROJECT:

Beer Brand 379 - Full Launch

- Developed conversion landing page

- Launched Google Ads + Meta Ads

- SEO + Analytics setup

- Goal: First 1000 sales

Case: https://offers.arevian.studio/o/379beer

PORTFOLIO: https://t.me/OfficialImperiaX

Location: Tsaghkadzor, Armenia | Languages: AM, RU, EN, GR

• Senior Full-Stack Developer with 6+ years in C#, ASP.NET Core, .NET 6/8, and Microsoft SQL Server, leading enterprise software modernization and cloud/on-premises deployments.
• Expert in designing resilient RESTful APIs, microservices, and complex SQL Server databases with advanced T-SQL and performance tuning.
• Proven SAP Business One ERP customization using C# add-ons, T-SQL stored procedures, and Crystal Reports for automated reporting.

• Expert in designing scalable systems with dark/light modes and auto-layout precision for SaaS and AI platforms.
• Proven track record in building complex, data-dense dashboards and AI-powered middleware systems that enhance operational efficiency and eliminate downtime.
• Skilled in creating developer-ready deliverables including pixel-perfect handoffs, interactive prototypes, and detailed UI logic specifications.
• Experience in automating workflows such as OAuth token lifecycle management and AI-driven data ingestion triage, ensuring zero service disruptions and data integrity.
• Strong focus on bridging product strategy with high-conversion UI execution, specializing in enterprise AI platforms.

• Senior Full Stack Engineer with 10+ years in Ruby on Rails and React.js, specializing in scalable microservices and cloud-native architectures.
• Proven expertise in CI/CD pipelines, AWS, Serverless, Terraform, and containerization (Docker, CircleCI) for robust deployment automation.
• Extensive experience designing and optimizing PostgreSQL databases, including complex materialized views and performance tuning.
• Led integrations with multiple third-party APIs (Google Drive, Dropbox, Amazon Translate) and developed event-driven systems using Kafka and RabbitMQ.
• Strong background in Agile methodologies, system design patterns, and cross-team collaboration with international stakeholders.

• Founding design engineer with 6+ years in product design and full-stack delivery specializing in AI-native products and LLM integration.
• Expertise in React, Next.js, TypeScript, Golang, Python, Flutter, Tailwind, and AI tools like OpenAI API, Genkit, and Transformers.js.
• Led AI chat feature at KW Berlin with 4M+ MAU, driving 100-min user sessions and $30k/week projected revenue via A/B testing and MDE analysis.
• Built and launched dramance.app solo, an AI-powered interactive visual novel platform with end-to-end system architecture and monetization design.
• Skilled in design systems (Figma tokens, auto-layout), and UX methodologies including CJM, SUM, and A/B testing with MDE.

• Senior Software Engineer & Associate Technical Lead with 9+ years in Flutter/Dart, leading scalable mobile/web apps for 18,000+ users.
• Expert in Clean Architecture, CI/CD (GitHub Actions, Codemagic), Agile methodologies, and cross-functional team leadership.
• Proven track record in modernizing legacy systems, mentoring engineers, and integrating RESTful APIs and Google Maps API.
• Author of flutter_date_kit package, enhancing date/time utilities for Flutter developers.
• Strong background in cross-platform development (iOS, Android, Web) using Flutter, React Native, and Xamarin, with experience in testing, DevOps, and performance optimization.

• 14+ years in backend systems, Node.js, C/C++, GoLang, and embedded IoT firmware development.
• Developed AI chat product with Stripe payments, search service using LangChain and HuggingFace, and P2P WebRTC/RTMP features.
• Built custom SSH in JavaScript with UDP hole punching for firewall traversal and low-latency distributed systems.
• Rebuilt Solana stack in Node.js; created neural networks in SourcePawn and GoLang with genetic algorithms.
• Led international teams, conducted hundreds of code reviews, and managed hiring and technical training.

• Senior AI/ML Engineer with 5+ years deploying generative AI and ML systems using GPT-4, Claude 3, LLaMA, and LangChain.
• Expertise in Python backend development (FastAPI, Django) serving LLMs and ML models with scalable cloud deployment on AWS, Azure, GCP.
• Built enterprise RAG platforms with hybrid retrieval (FAISS, Neo4j) and multi-agent orchestration reducing hallucinations and improving LLM output quality.
• Developed AI pipelines for sales enablement, GDPR compliance, semantic multimodal search, and predictive modeling using PyTorch, TensorFlow, LightGBM, and CatBoost.

• Senior Full Stack Software Engineer with 8+ years in Java, Spring Boot, Angular, and microservices architecture.
• Proficient in cloud-native technologies including Docker, Kubernetes, Apache Kafka, and Keycloak for secure SSO applications.
• Experienced Scrum Master leading cross-functional teams in agile environments across Germany, France, and Tunisia.
• Strong background in database design and management with PostgreSQL, MySQL, and MongoDB.
• Contributed to distributed systems, real-time platforms, and open-source projects using Java 17, Lua, and modern frontend frameworks.

• Experienced Software Engineer specializing in Java Spring Boot, ReactJS, Node.js, and PHP. Skilled in RESTful APIs, database management, AI automation, and enterprise application support. Strong background in troubleshooting, system optimization, and delivering scalable web applications.

• Senior Full Stack Engineer with 5+ years designing scalable TypeScript-first architectures using React, Next.js, and Node.js.
• Expertise in multi-tenant SaaS platforms, API-driven systems, and complex business workflow automation.
• Proven track record in full software lifecycle ownership from architecture to deployment and production support.
• Strong skills in REST API design, database modeling (PostgreSQL, MongoDB), and cloud-native application delivery.
• Experienced in engineering best practices including modular design, reusable components, CI/CD pipelines, and cross-functional collaboration.

EDUCATION & CERTIFICATIONS

• Matric certificate (high school)
• TEFL Level 5 Certified
• First aid certification
• CPR certification

Software engineer with experience in fintech and Web3. Built production-ready applications with cryptocurrency exchange integrations to collect and analyze market data. Familiar with both Ethereum or Solana ecosystems and the best security practices.

• Mobile developer with 7+ years in Android, iOS, Xamarin, Flutter, and .Net technologies.
• Experienced in backend API and microservices development using ASP .Net Core and Azure.
• Led architectural design and tech support across multi-platform mobile projects.
• Proficient in Kotlin, .Net 6, Xamarin.Forms, and cross-platform frameworks like MvvmCross.
• Strong foundation in computer science with degrees in Information Systems and Multimedia Web Design.

• Experienced HR & Administrative Specialist with expertise in managing large teams and optimizing staff performance in technical and operational environments.
• Proficient in data analytics tools including Excel, Power BI, SQL, and Tableau, enhancing decision-making and reporting accuracy.
• Skilled in logistics planning, personnel management, and customer service within diverse sectors including education and government.
• Certified in Human Resource Management and Hospitality Industry training, with a strong foundation in Science Education (Biology).
• Demonstrated ability to implement efficient administrative processes and support large-scale volunteer coordination and training programs.

• Experienced in first-line IT support using Microsoft 365, HubSpot, and Freshdesk for efficient issue resolution.
• Skilled in technical documentation, training material development, and user onboarding.
• Proficient with communication tools: Microsoft Teams, Slack, Google Meet.
• Certified Project Management Professional (PMP) and HR Management Professional (HRMP).
• Strong background in ICT Operations and administrative coordination with proven multitasking ability.

• Lead Full-Stack Engineer with 12+ years in distributed systems, AI-driven platforms, and payment ecosystems.
• Expert in event-driven microservices, multi-tenant SaaS, and secure fintech transaction processing.
• Proficient in Typescript, Node.js, React, AWS, Kafka, and AI integrations including LLMs and agentic workflows.
• Architected scalable real-time systems with WebSockets and built AI automation for KYC, risk management, and customer support.
• Strong background in system architecture, prompt engineering, and delivering complex, high-load applications in fintech and iGaming domains.

• Lead Software Engineer with 10+ years in cross-platform enterprise app development using .NET MAUI, Xamarin, and Blazor.
• Expertise in C# (.NET 6/7/8), XAML, React Native, Azure, Firebase, and microservices architecture.
• Proven impact: 35% latency reduction in mobile workforce apps and 40% stability improvement via Firebase Crashlytics integration.
• Skilled in CI/CD pipelines, automated testing (Katalon), and cloud deployments on AWS and Azure.
• Strong background in offline-first mobile solutions, AI agent workflows, and multi-platform app lifecycle management.

• Data Analyst and Software Engineer skilled in Python, SQL, Power BI, and modern web technologies (JavaScript, HTML, CSS) for data-driven solutions.
• Experienced in exploratory data analysis, building responsive software, and creating impactful graphic designs for branding.
• Proficient in Microsoft Excel and computer graphics design, integrating technical and creative skills to enhance decision-making.
• Strong background in data visualization and software development best practices, delivering efficient and scalable products.
• Committed to continuous learning and applying innovative methodologies to solve complex real-world problems.