01/13/2026 updated
100 % available
Senior Full Stack Engineer
Manchester, United Kingdom
Only remote
Bachelor of Science in Computer ScienceAbout me
Passionate software engineer in full-stack development. Proficient in Python (FastAPI), React/TypeScript, REST APIs, real-time features (WebSockets), databases (PostgreSQL/MongoDB), secure auth (JWT/OAuth), and cloud deployment. Scalable, reliable apps with clean code and optimal performance.
JavaScriptAgile MethodologyArtificial IntelligenceAmazon Web ServicesAutomationUnit TestingMicrosoft AzureCloud EngineeringCode ReviewDatabasesCryptographyDevOpsElasticsearchGitHubSystem Monitor
Full Stack Development
Expertise in building production-grade applications using React, TypeScript, Python, and Node.js with 8+ years of experience in scalable digital products serving 50,000+ users
Cloud Architecture & DevOps
Specialized in microservices architecture, cloud-native platforms including Azure/AWS, Docker, Kubernetes, and automated CI/CD pipelines with Terraform and GitHub Actions
AI & Machine Learning Integration
Advanced implementation of GenAI solutions including RAG systems, LangChain, vector databases, and AI-powered support systems with OpenAI API integration
Database Management
Proficient in PostgreSQL, MongoDB, Redis, Elasticsearch with expertise in query optimization, caching strategies, and database performance tuning
Event-Driven Architecture
Implementation of asynchronous processing using RabbitMQ and Kafka for message queue patterns and system resilience
Observability & Monitoring
Comprehensive system monitoring using OpenTelemetry, Datadog, Prometheus, Grafana, CloudWatch, and ELK Stack with distributed tracing
Testing & Quality Assurance
Systematic testing practices using Jest, Cypress, Playwright with unit testing, integration testing, and code reviews following Agile/XP practices
Security & Compliance
Implementation of OAuth 2.0, JWT, RBAC, SOC 2, GDPR compliance, and data encryption protocols
Expertise in building production-grade applications using React, TypeScript, Python, and Node.js with 8+ years of experience in scalable digital products serving 50,000+ users
Cloud Architecture & DevOps
Specialized in microservices architecture, cloud-native platforms including Azure/AWS, Docker, Kubernetes, and automated CI/CD pipelines with Terraform and GitHub Actions
AI & Machine Learning Integration
Advanced implementation of GenAI solutions including RAG systems, LangChain, vector databases, and AI-powered support systems with OpenAI API integration
Database Management
Proficient in PostgreSQL, MongoDB, Redis, Elasticsearch with expertise in query optimization, caching strategies, and database performance tuning
Event-Driven Architecture
Implementation of asynchronous processing using RabbitMQ and Kafka for message queue patterns and system resilience
Observability & Monitoring
Comprehensive system monitoring using OpenTelemetry, Datadog, Prometheus, Grafana, CloudWatch, and ELK Stack with distributed tracing
Testing & Quality Assurance
Systematic testing practices using Jest, Cypress, Playwright with unit testing, integration testing, and code reviews following Agile/XP practices
Security & Compliance
Implementation of OAuth 2.0, JWT, RBAC, SOC 2, GDPR compliance, and data encryption protocols
Experience
Professional experience5 - 10 years
Freelancer since2018
Languages
ChineseFluentEnglishFluent
Project history
Led platform architecture serving 50,000+ active users with 99.9% uptime, migrated from legacy monolith to containerized microservices on Kubernetes, built AI-powered support system using Python, FastAPI, LangChain, and OpenAI API
Delivered custom web applications for Fortune 500 clients across fintech, healthcare, and education sectors, designed RESTful APIs using Python (FastAPI) and GraphQL supporting 20,000+ daily active users, led development of Learning Management System using React, TypeScript, Python (FastAPI), and Node.js
Developed responsive UI components using React, TypeScript, and modern JavaScript while building backend API endpoints with Node.js and Python for internal recruitment platform, participated in daily code reviews and pair programming sessions