Hi, I'm Dawid.

STX Commodities B.V. · Amsterdam, Netherlands

Designing and operating the AWS cloud platform and internal tooling that the engineering and trading teams build on.

• Designed, deployed and managed AWS infrastructure (EC2, VPC, IAM, S3, EKS, RDS, CloudWatch, API Gateway, CloudFront) for secure, highly available and cost-optimised enterprise workloads.
• Automated resource provisioning with an Infrastructure-as-Code solution built on AWS CDK, standardising environment setup and improving consistency.
• Built and operate an internal developer platform enabling scheduled job orchestration and self-service app deployments for non-technical users on Kubernetes.
• Developed automated Helm chart solutions for application deployment and rolling updates, raising deployment frequency and reliability.
• Owned Kubernetes operations end-to-end: upgrades, scaling, cost controls, incident handling, backup & disaster recovery, and compliance monitoring.
• Led adoption of advanced CI/CD pipelines (GitLab, Bitbucket, GitHub Actions) with built-in security scans and automated tests.

STX Commodities B.V. · Amsterdam, Netherlands

Led frontend architecture for business-critical applications and modernised the team’s stack.

• Led frontend development and architecture for critical business apps, including a real-time market-interest capture tool and a contract-lifecycle management platform.
• Migrated two flagship applications from Vue 2 to Vue 3 (Composition API) and from Vuex to Pinia, improving performance and maintainability.
• Drove Vite adoption by migrating build configs off Webpack, cutting average build times by ~90% and dramatically improving hot-reload speed.
• Raised quality with comprehensive testing using Vitest (unit) and Cypress (E2E).
• Architected an internal Vue component library with Storybook, standardising 40+ UI elements across teams.
• Co-designed and built backend APIs with NestJS and FastAPI to support frontend features.
• Led adoption of AI-assisted development tools (Cursor, GitHub Copilot) across the IT department.

Lapissoft · Sunderland, UK

Founded and scaled a software development house delivering custom products end-to-end.

• Founded and scaled a software house, delivering 7 custom projects for 5 clients from scoping through deployment and support.
• Translated complex client requirements into technical specs and development roadmaps.
• Architected and delivered 5 Vue.js single-page applications, including an educational platform with interactive dashboards and real-time feedback.
• Engineered a full-stack IoT solution: a Node.js + MQTT backend for real-time sensor ingestion and a Vue.js frontend for live visualisation and control.
• Led and mentored a remote team of 3 developers, fostering a collaborative, high-performance environment.