2024 ? Present: Readline.app
Role: more Roles
Tasks:
Technical Co-Founder
- Led the development of a Russian language learning app, leveraging TypeScript to deliver a robust, user-friendly platform
- Built and integrated a custom CMS to streamline content creation and management for the application
- Developed a timestamp editor and forced alignment tool to synchronize audio and text, significantly enhancing the quality of language learning resources
- Applied machine learning NLP to analyze and improve word stress patterns
- Implemented email automation for onboarding, notifications, and user engagement
- Designed and deployed an authentication system, including user management and role-based access control RBAC
- Integrated a subscription and payment system to support various payment methods and recurring billing
DevOps Engineer
- Set up a CI/CD pipeline with GitHub Actions, for automated deployments to production and staging environments, reducing release times
- Used Docker to containerize services, ensuring consistent development and production environments, and simplifying deployment processes
- Deployed infrastructure via Cloudflare Tunnels, enhancing security and availability while reducing maintenance complexity by leveraging Zero Trust Methodology
- Implemented logging and monitoring, enabling quick issue resolution and ensuring smooth application operations
UI / UX Engineer
- Designed an intuitive UI concept, ensuring seamless user interaction and reducing the learning curve for new users
- Built a reusable component library with shadcn/ui, improving development efficiency and maintaining a consistent visual identity
- Collaborated with stakeholders to deliver user-centric design solutions that aligned with business goals and user needs
2021 - 2024: Led the design and implementation of a React-based UI
Role: (Freelancer) Lead Frontend Engineer
Customer: Körber Pharma GmbH
Tasks:
- Led the design and implementation of a React-based UI for a high-performance image processing engine in the pharmaceutical industry, ensuring compliance with strict GAMP5 standards
- Built and mentored a frontend development team of 3 engineers for further development
- Administered and optimized AWS infrastructure (around EC2 and networking) for seamless deployment and scalability, while mentoring team members to enhance their proficiency in cloud technologies and best practices
2023 - 2023: Lingocy
Role: Software Engineer
Tasks:
- Built a prototype language learning app using Next.js and TypeScript, offering a seamless and interactive learning experience
- Designed a serverless article parser to process and analyze text for grammar feature extraction using ML NLP techniques
- Developed GraphQL APIs with AWS AppSync to enable efficient data querying and mutation
- Applied Domain-Driven Design DDD principles to architect scalable and maintainable software solutions
- Implemented a user management system with AWS Cognito to handle authentication and secure access
2023 - 2023: Designed an S3 based event-driven architecture for user content processing
Role: DevOps Engineer
Tasks:
- Leveraged GitOps and Infrastructure as Code IaC with AWS CDK to provision and manage resources efficiently
- Designed an S3 based event-driven architecture for user content processing, enabling scalable and efficient workflows
- Established CI/CD pipelines using GitHub Actions to automate deployment processes
- Architected serverless staging and production environments with a multi-account strategy, ensuring isolation and scalability
- Followed AWS Well-Architected Framework best practices to optimize performance, security, and cost
2017 - 2021: Led the development of a large-scale React-based SPAs
Role: Lead Frontend Engineer
Customer: Seidenader Maschinenbau GmbH
Tasks:
- Initiated and mentored multiple internal projects around Node.js and React fostering best practices and driving innovation
- Designed and developed an internal debugging tool for Protocol Buffers, improving debugging efficiency and streamlining development cycles
- Conducted dozens of technical interviews and successfully hired 11 team members, shaping a cohesive and highperforming development team. Facilitated the onboarding process and cultivated a collaborative work environment
- Mentored and guided development team, acting as a primary point of contact for external service providers and overseeing team growth and technical development
2017 - 2021: Planned and implemented private cloud solutions using AWS, Terraform
Role: DevOps Engineer
Customer: Seidenader Maschinenbau GmbH
Tasks:
- Planned and implemented private cloud solutions using AWS, Terraform, and Infrastructure-as-Code IaC) to ensure scalability, security, and reliability
- Developed and implemented CI/CD pipelines for multiple internal projects, improving automation and accelerating deployment cycles
- Developed a lift-and-shift digital machine twin proof-of-concept on AWS EC2, leveraging Terraform for Infrastructure-as-Code
- Successfully migrated legacy codebases from SVN to GitLab, administering GitLab instance and configuring workflows to optimize collaboration and streamline version control
- Administered Proxmox systems and LXC VMs for internal testing and development environments, ensuring optimal performance and reliability
- Designed and implemented network infrastructures for shopfloor and test rigs, ensuring efficient and reliable internal development and testing environments
2011 - 2015: Conducted comprehensive requirements gathering and analysis to align project
Role: Fullstack Engineer
Customer: factsoft ag
Tasks:
- Designed and implemented a GSMGateway with Node.js for SMS notifications, enhancing communication workflows with clients and monitoring notifications
- Conducted comprehensive requirements gathering and analysis to align project deliverables with client needs
- Provided consulting expertise to guide customers in defining technical requirements and project scope, ensuring alignment with strategic goals
- Architected and developed custom end-to-end solutions for diverse customer projects with PHP and SQL
- Delivered intuitive user interfaces through frontend development with HTML, CSS, and JavaScript focusing on responsiveness and usability
2011 - 2015: Automated network infrastructure setup and monitoring
Role: Devops Engineer
Customer: factsoft ag
Tasks:
- Designed and implemented infrastructure and network architecture for a private, in-house cloud environment, enabling seamless hosting and delivery of customer projects
- Managed and maintained Debian servers, ensuring optimal performance and reliability across HTTP, DNS, and email services
- Automated network infrastructure setup and monitoring, significantly improving deployment speed and reducing operational overhead
- Developed automated virtual machine VM) provisioning workflows,streamlining scalability and resource allocation