20.10.2026 aktualisiert
HJ
100 % verfügbar
Senior Full-Stack Software Engineer | React, TypeScript, Python, Node.js, AWS, Data & AI
Dublin, Irland
Nur Remote
Master's Degree in Computer Science / Computational Science and EngineeringSkills
Full-Stack Web Development
Approximately 8 years of experience building and scaling customer-facing SaaS and e-commerce products using React, Next.js, Vue.js, Nuxt.js, Angular, TypeScript, JavaScript, Node.js, Express, Django, Flask, Spring Boot, Go Fiber/Gin, and FastAPI. Expertise in REST, GraphQL, gRPC, and WebSocket APIs, as well as responsive UI development to WCAG accessibility standards.
Cloud & DevOps Engineering
Extensive hands-on experience with AWS services including EC2, ECS, EKS, Lambda, S3, RDS, DynamoDB, CloudFront, SageMaker, SNS/SQS, Step Functions, and ElastiCache. Proficiency in containerization and orchestration with Docker, Kubernetes, Helm, ArgoCD, and KEDA, as well as infrastructure-as-code with Terraform and CI/CD automation via GitHub Actions and Jenkins.
Data & AI / Machine Learning Integration
Production-level integration of TensorFlow and PyTorch recommendation and NLP models into user-facing workflows, resulting in measurable conversion and accuracy improvements. Experience with AWS SageMaker, Pandas, NumPy, scikit-learn, and LangChain for building ML-powered analytics dashboards and AI-assisted automation tools.
Database Management
Proficiency with relational and NoSQL databases including PostgreSQL, MySQL, MongoDB, Redis, Prisma, Supabase, and DynamoDB. Optimization of complex queries and API endpoints for data-heavy, high-volume transaction workloads, achieving significant performance improvements.
Microservices Architecture
Design and deployment of containerized microservices using Docker and Kubernetes for high availability, fault tolerance, and zero-downtime deployments. Migration of legacy monolith functionality into Spring Boot and Go microservices on AWS ECS/Fargate.
Testing & Quality Engineering
Application of Jest, Cypress, and Playwright for automated testing, combined with CI/CD pipelines to reduce release cycles and lower manual deployment risk. Use of Web Vitals and New Relic for performance profiling and observability.
Security & Compliance
Implementation of OAuth/JWT-based authentication, authorization, and encryption controls aligned with GDPR/CCPA requirements, reducing identified security risks significantly.
Frontend Performance Optimization
Delivery of measurable frontend improvements including 25% faster page loads, lazy loading, compression, and SEO/performance enhancements that increased Google PageSpeed scores by 35%. Strong knowledge of Tailwind CSS, SCSS, HTML5, CSS3, and WCAG accessibility standards.
Team Leadership & Agile Delivery
Leadership of cross-functional developer teams through code reviews, delivery planning, and full-stack/AI integration practices using Agile/Scrum methodologies with tools such as Git, GitHub, and Jira.
Approximately 8 years of experience building and scaling customer-facing SaaS and e-commerce products using React, Next.js, Vue.js, Nuxt.js, Angular, TypeScript, JavaScript, Node.js, Express, Django, Flask, Spring Boot, Go Fiber/Gin, and FastAPI. Expertise in REST, GraphQL, gRPC, and WebSocket APIs, as well as responsive UI development to WCAG accessibility standards.
Cloud & DevOps Engineering
Extensive hands-on experience with AWS services including EC2, ECS, EKS, Lambda, S3, RDS, DynamoDB, CloudFront, SageMaker, SNS/SQS, Step Functions, and ElastiCache. Proficiency in containerization and orchestration with Docker, Kubernetes, Helm, ArgoCD, and KEDA, as well as infrastructure-as-code with Terraform and CI/CD automation via GitHub Actions and Jenkins.
Data & AI / Machine Learning Integration
Production-level integration of TensorFlow and PyTorch recommendation and NLP models into user-facing workflows, resulting in measurable conversion and accuracy improvements. Experience with AWS SageMaker, Pandas, NumPy, scikit-learn, and LangChain for building ML-powered analytics dashboards and AI-assisted automation tools.
Database Management
Proficiency with relational and NoSQL databases including PostgreSQL, MySQL, MongoDB, Redis, Prisma, Supabase, and DynamoDB. Optimization of complex queries and API endpoints for data-heavy, high-volume transaction workloads, achieving significant performance improvements.
Microservices Architecture
Design and deployment of containerized microservices using Docker and Kubernetes for high availability, fault tolerance, and zero-downtime deployments. Migration of legacy monolith functionality into Spring Boot and Go microservices on AWS ECS/Fargate.
Testing & Quality Engineering
Application of Jest, Cypress, and Playwright for automated testing, combined with CI/CD pipelines to reduce release cycles and lower manual deployment risk. Use of Web Vitals and New Relic for performance profiling and observability.
Security & Compliance
Implementation of OAuth/JWT-based authentication, authorization, and encryption controls aligned with GDPR/CCPA requirements, reducing identified security risks significantly.
Frontend Performance Optimization
Delivery of measurable frontend improvements including 25% faster page loads, lazy loading, compression, and SEO/performance enhancements that increased Google PageSpeed scores by 35%. Strong knowledge of Tailwind CSS, SCSS, HTML5, CSS3, and WCAG accessibility standards.
Team Leadership & Agile Delivery
Leadership of cross-functional developer teams through code reviews, delivery planning, and full-stack/AI integration practices using Agile/Scrum methodologies with tools such as Git, GitHub, and Jira.
Erfahrung
Berufserfahrung5 - 10 Jahre
Freelancer seit2025
Sprachen
Englishverhandlungssicher
Projekthistorie
Built and scaled a high-traffic e-commerce platform with React, Next.js, Node.js, Spring Boot, Go microservices, MongoDB, and AWS. Integrated TensorFlow/PyTorch recommendation models, reworked cloud delivery across AWS ECS, S3, CloudFront, Lambda@Edge, and Step Functions, designed containerized microservices with Docker and Kubernetes, and implemented OAuth/JWT-based authentication aligned with GDPR/CCPA requirements. Led an 8-developer cross-functional team.
Delivered enterprise SaaS features with Vue.js/Nuxt.js, Python/Django, Spring, and Go services. Optimized complex PostgreSQL queries, built GitHub Actions and Jenkins CI/CD pipelines, developed ML-powered analytics dashboards on AWS SageMaker/EC2 with PyTorch and Pandas, integrated TensorFlow.js-based NLP capabilities, and created open-source AI-assisted web automation tools with 500+ combined stars and forks on GitHub.
Migrated legacy Ruby on Rails monolith functionality into Spring Boot and Go microservices on AWS ECS/Fargate. Built GraphQL APIs to replace REST endpoints, developed responsive TypeScript/SCSS interfaces to WCAG standards, supported migration of on-premise workloads to AWS EC2/S3, and integrated third-party sentiment-analysis and predictive-modeling APIs into production experiences.