- Develop and maintain microservices in a scalable way using hexagonal (ports and adapters) architecture.- Utilizing CQRS and DDD to scale microservices - Designed and implemented RESTful APIs using Node.js and Nest.JS.- Dockerize a monorepo structure and create a well-maintainable dev setup.- Fix a broken Prisma database with migration history conflicts and Schema drift.- Using jest auto-mocks in unit tests.- Conducted code reviews and participated in agile development sprints.- Contributed to CI/CD pipelines for automated deployment.

Responsibilities:• Successfully integrated user-ldap, OIDC, and Keycloak within the backend infrastructure for enhanced functionality and security.• Implemented SCIM REST API endpoints with unit tests for 2 different owncloud backends.• Configured webpack, babel.JS, and Vue.JS for 10+ new NextCloud plugins.• Built reverse proxies and TLS checker which improved deployment times by 80%.• Co-authored solid data modules with a team of 6 persons (NL-net-funded project).• Ensured code quality by conducting extensive testing, and writing over 200 unit tests to validate the existing codebase.• Streamlined the process by achieving full automation in documenting public interfaces for multiple applications, ensuring a 100% efficiency rate.

Responsibilities:• Built and maintained 30+ REST APIs and gateways with documentation using OpenAPI specifications.• Created full CI/CD cycle for 10+ micro-services on Kubernetes.• Devised innovative solutions, leveraging nginx and ingress, to create 10+ reverse proxies on a Kubernetes cluster, successfully bypassing CORS and achieving a remarkable 60% improvement in response time.• Collaborated on the development of 4 SPAs for esteemed company clients, leveraging Custom React Hooks built on top of React Query and Recoil.• Streamlined development processes by migrating existing codebase to a monorepo and fostering code sharing across 5 independent projects using Turborepo, resulting in a remarkable 60% increase in work efficiency per week.• Maintained close collaboration with the QA team, actively incorporating client feedback through 3 weekly sessions.• Provided guidance and mentorship to 3 new team members during their onboarding process, utilizing pair programming and mentoring techniques to assist in issue resolution over a period of 1 month.

Responsibilities:• Designed and Developed 4 front-end and back-end applications utilizing React.js, Node.js, and TypeScript• Coded 5+ Next.js Themes for multi-theme application infrastructure.• Collaborated with 3 different development teams on 4 new project designs and feature improvements.• Created over 100 reusable components and Higher Order Components (HOCs) using React JS.• Acquired expertise in Docker and Gitlab-ci, contributing to improvements in ci-cd pipelines.• Identified and resolved over 10 bottlenecks and addressed more than 100 bug fixes.

Responsibilities:• Developed and implemented 4 distinct WordPress plugins for a payment service.• Proactively monitored and updated price changes in the Database through a Cron Job, leading to a remarkable improvement of over 100% in accuracy and efficiency.• Implemented advanced Technical SEO techniques, including optimizing meta tags, improving site speed by 40%, and implementing schema markup, resulting in a 25% increase in organic traffic and a 15% boost in keyword rankings