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.
$6500/month
$8000/month
$8500/month
- Engineer with 5+ years of experience specializing in JavaScript (Node.js, React.js) and TypeScript, delivering scalable backend services and responsive frontend applications.
- Proficient in modern frameworks and tools including Nest.js, Express, Next.js, GraphQL, Docker, AWS (Lambda, Step Functions, SQS), and CI/CD pipelines.
- Strong expertise in database management with PostgreSQL, MongoDB, DynamoDB, and Redis, implementing event-driven architectures and microservices.
- Demonstrated ability to optimize performance, enhance security (AWS Secrets Manager), and integrate complex third-party APIs across diverse domains such as sports streaming, finance, task management, and fitness platforms.
- Advanced academic background in Software Engineering and Cybersecurity, with ongoing PhD studies, underpinning a solid foundation in software development lifecycle, best practices, and engineering principles.
- 9+ years of experience in full-stack roles with JS and TypeScript (Node.js, NestJS, React, React Native).
- Israeli fintech, telecom, and gambling solutions, including high-performance systems handling 10,000+ daily transactions, integrating multiple payment providers, including banking APIs and cryptocurrency.
- Holds a Bachelor’s degree in Theoretical and Nuclear Physics, combining analytical rigor with advanced skills in AWS, Docker, GraphQL, SQL/NoSQL databases, and UI frameworks like Ant Design and MUI.
- Background in software engineering principles, OOP & functional programming, and modern SDLC practices, including Agile, CI/CD, and test automation with Cypress and Jest.
Backend Engineer, 8+ years of hands-on experience architecting production-grade Python systems — primarily with FastAPI, microservices, and cloud-native infrastructure. Specializes in building reliable APIs (REST + GraphQL via AWS AppSync), high-performance data layers, real-time features (WebSocket), and secure, observable platforms that power AI-driven SaaS, FinTech/loan management, personalized education, and meditation applications.
- Robust, versioned APIs with pagination, filtering, bulk operations, and real-time capabilities for enterprise standards.
- Security models using JWT, OAuth2, Cognito/Firebase Auth, and OWASP plus secrets management in AWS.
- PostgreSQL/SQLAlchemy setups with strict validation, indexing, query tuning, migrations (Alembic), and entity versioning (Continuum).
- Integrations & background jobs (Celery/AWS Lambda), idempotent processing, retries, and Stripe/Telegram/webhook handling.
- End-to-end CI/CD with GitHub Actions, Docker, Kubernetes, ECS, ArgoCD for zero-downtime rollouts and automated testing.
- Full observability stacks (Prometheus + Grafana, CloudWatch) with alerts, dashboards, and runbooks for proactive monitoring.
- Comprehensive operational documentation, team training, and code reviews as a Team Lead managing up to 8 engineers.
Optimized high-load endpoints, reduced latency through caching/profiling, enforced business rules at the DB level, and led refactorings and migrations. Passionate about clean architecture, maintainability, and turning complex business needs into elegant, scalable solutions.
Senior DevOps / SRE Engineer with 6+ years of hands-on AWS and GCP (including GKE and EKS):
- Strong production operations background with backend stacks (PHP, Node.js, Java, .NET), messaging queues (ArtemisMQ), relational/NoSQL databases (PostgreSQL, MySQL, MongoDB, Redis), and full SRE practices.
- Previously led a 7-engineer DevOps team, mentored engineers, and drove infrastructure modernization with a focus on reliability, velocity, and operational excellence.
- Specialized in Kubernetes container orchestration, Terraform Infrastructure as Code, advanced CI/CD pipelines (GitLab CI, Jenkins, Bamboo, Bitbucket CI, Azure DevOps), and comprehensive observability stacks (Prometheus, Grafana, Loki, ELK, Zabbix, New Relic, CloudWatch) to enable proactive monitoring, alerting, and incident resolution.
Delivered measurable impact:
- Successful legacy-to-Kubernetes migrations, high-availability architectures with load balancing (HAProxy, Nginx),
- cost/performance optimizations, 60% reduction in deployment times
- Hybrid/multi-cloud integrations (AWS + GCP + VMware/Hyper-V) across fintech, banking, e-commerce, and high-traffic environments.
- 5+ years of expertise in React Native development, specializing in cross-platform UI architecture, Redux state management, and native module integration.
- Proven leadership in managing complex projects, including award-winning apps, with strong skills in asynchronous workflows using Redux Saga and real-time data sync via Firestore.
- Skilled in integrating payment systems (Stripe, PayPal, RazorPay), location services, push notifications, and offline data persistence using SQLite, Realm, and AsyncStorage.
- Experienced in building user-centric solutions for diverse domains such as crisis communication, legal reference, and sports coaching, leveraging Context API, full-text search, and analytics dashboards.
- Holds a Bachelor in Computer Engineering, proficient in JavaScript, TypeScript, and modern development tools (VS Code, Android Studio, XCode) across MacOS, Windows, and Linux environments.
- Over 5 years of experience architecting and deploying scalable cloud-native applications across AWS, Azure, and GCP, managing 50+ AWS projects with 35% cost reduction through resource optimization.
- Expertise in infrastructure automation using Terraform, Ansible, and CI/CD pipelines with Jenkins, GitLab, and GitHub Actions, achieving 60% deployment time reduction.
- Advanced containerization and orchestration skills with Docker, Kubernetes, ECS, and Fargate, delivering 90%+ uptime in microservices architectures.
- Proficient in scripting (Shell, Bash, Python), database management (MySQL, PostgreSQL, MongoDB), and monitoring tools (CloudWatch, CloudTrail) for robust system observability.
- AWS Certified Solution Architect with proven success in designing secure, cost-effective distributed systems and real-time data processing platforms for IoT and telemetry applications.
- Full-stack engineer with 6+ years of expertise in TypeScript, React, React Native, Node.js, and .NET Core, delivering scalable B2B and healthcare applications with 40% latency reduction through query optimization.
- Proficient in integrating analytics SDKs (Mixpanel, Firebase, AdMob) and implementing secure JWT authentication and role-based access control in cross-platform mobile apps.
- Experienced in CI/CD pipelines using GitLab CI/CD, automated testing (Jest, Cypress), and cloud deployments on AWS and Docker, enabling rapid iterative releases and A/B testing.
- Strong background in SQL databases (PostgreSQL, MySQL, SQL Server) with advanced query optimization for analytics-driven growth metrics.
- Holds an MSc in Computer Science and IT, skilled in modular architecture, feature flags, and AI-augmented development to accelerate coding and improve UX flows.
- Full-stack JavaScript developer with 3+ years of experience specializing in Angular (v2+), NestJS, and TypeScript for scalable, high-performance web applications.
- Proficient in integrating REST and GraphQL APIs, implementing OAuth, SMS OTP, and magic link authentication workflows using Supabase and JWT.
- Skilled in advanced state management with NgRx, reactive forms with RxJS, and custom UI development using Angular Material, PrimeNG, Taiga UI, and Tailwind CSS.
- Experienced in low-code platforms (Appian), CI/CD pipelines, automated testing, and performance optimization leveraging Google Lighthouse and Core Web Vitals.
- Strong background in data normalization, modular architecture, microservices, and secure coding practices including RBAC, bcrypt encryption, and audit trails.
- Full Stack Engineer with 6+ years of experience architecting scalable web applications and microservices using Node.js (Express) and Laravel, delivering production-grade solutions for UK startups.
- Expertise in AI-powered automation workflows (n8n, LLM APIs, MCP) and event-driven backends, achieving 50% reduction in document processing time and enhanced cross-team visibility.
- Proficient in Python scripting for automation, and skilled in databases including MySQL, PostgreSQL, MongoDB, and Neo4j, with hands-on AWS and Docker deployment experience.
- Strong advocate of TDD, Clean Architecture, OOP design patterns, and modular monoliths, improving code reliability by 60% and system maintainability.
- Holds a Master’s degree in Software Engineering and fluent in Arabic, French, and English, with proven leadership in remote, distributed agile teams.
- Experienced software engineer with over 20 years in full-stack development, specializing in JavaScript, TypeScript, NodeJS, Python, and modern frameworks like ReactJS, NextJS, and NestJS.
- Proficient in AI/GenAI technologies including LangChain, LangGraph, and prompt tuning, with hands-on experience building AI-powered sales enablement and analytics platforms on AWS and Serverless architectures.
- Strong background in cloud platforms (AWS, GCP), containerization (Docker), and infrastructure as code (Terraform), delivering scalable e-commerce and ad-tech solutions.
- Skilled in database technologies such as MongoDB, PostgreSQL, Redis, and API design using REST and GraphQL, with expertise in microservices and composable app architectures.
- Holds a Master of Computer Applications degree, PMP and ITIL certifications, with proven leadership in project and operations management across multiple domains including e-commerce, analytics, and digital marketing.