Senior Fullstack Developer

• Features development and integrations for large enterprise B2B customers.
• Built OpenAI integrations, enhancing the platform's interactive learning capabilities.
• Designed reusable React component libraries and forms systems with over 90% test coverage.
• Defined scalable backend APIs using Express.js and MongoDB, ensuring maintainability through TDD.

Greenworlder is a Social Platform for CO2 awareness. Engaged as a full-stack engineer. Highly structured environment with sprints/scrum and well-planned deadlines.

• REST APIs consumed in ReactNative and Nextjs apps.
• Code reviews to ensure good engineering practices are applied.
• Playwright e2e tests.
• CI automation for playwright tests.
• Jest test units for critical sections.
• CI automation for React-Native application deployment.

• Hired freelancers to accelerate the development of the Angular-based front end and the TPM2 unit integration.
• Implemented CI/CD to manage quality and the development lifecycle.
• Architected the platform for horizontal automated scaling and fail-safe client operation, ensuring that even if the portal was down, the players (live streams, hybrid players, and EDGE players) continued to operate.
• Developed an internet-edge player with cloud sync and control features, ensuring full functionality during internet outages; it supported full firmware rollout, customized firmware for special customers, automated recovery, and upgrade rollback.

Storemoods is a self-bootstrapped platform to help retailers reduce their customer churn.

• Hired freelancers to speed up the development of the Angular-based front end and the TPM2 unit integration.
• Implemented CI/CD to manage the quality and development lifecycle.
• Architected the platform for horizontal automated scaling and fail-safe client operation. This ensures that even if the portal is down, the players (live streams, hybrid players, and EDGE players) will continue to operate.
• Developed an internet-edge player with cloud sync and control features, ensuring full functionality during internet outages. It supports full firmware rollout, customized firmware for special customers, and of course automated recovery and even upgrade rollback.

• Migrated the platform to AWS.
• Doubled traffic per country by launching multiple “satellite” websites that collected, modified, and reposted content from the original site, resulting in multiple listings on the first page of relevant Google search results.
• Reduced the content team’s workload and accelerated production by introducing a smart content authoring system, enabling non-technical authors to create content quickly and safely, with extensive automated adjustments handled by the code.
• Increased SEO rankings by implementing ML models to evaluate and rank the quality of content updates before publishing, significantly improving content quality and tailoring it to user demographics (e.g., age, education level) on a per-shop basis.

Sparheld International is a coupon and special offers aggregation portal for the best shops online and offline.

• Managed and mentored a small team of 4 engineers, guiding them with best practices and code reviews, and providing valuable feedback on architecture and career paths.
• Moved the platform to AWS.
• Doubled the traffic per country by launching multiple “satellite” websites. They would collect the content from the original site, modify it and then repost it. This resulted in having multiple listings on the first page of relative Google search terms.
• As our styles and layouts were refreshed annually, the content team struggled to keep up
• Reduced their workload and sped up the entire process by introducing a smart content authoring system that allowed non-tech content authors to quickly and safely write content that can be extensively tweaked automatically by the code.
• Increased SEO ranking by using ML models to rank the quality of content updates before publishing. This significantly enhanced content quality and aligned it with user demographics (age, education level, etc.) on a per-shop basis.

• Indirectly managed multiple cross-functional teams totaling 65 members, organized into smaller units with team and group leaders to enable swift coordination and effective plan execution.
• Expanded the company roster by hiring exceptional engineers, enabling rapid prototyping and efficient execution across frontend, backend, and data domains.
• Introduced new revenue streams, including a Yahoo homepage widget, a WordPress widget, and a browser add-on for end-users, increasing sales growth by 62%.
• Established formal processes and procedures, eliminating operational chaos, minimizing interruptions and unnecessary meetings, and creating a clear escalation path for emergencies.

Meingutscheincode GmbH is a coupons and deals aggregator.

• Developed an internal tool that automated the management of cross-channel ad campaigns. On an average day, it was managing well over 8000 ads.
• Built a system that could handle all possible ad requirements
• Created adapters for each platform that had to determine how to translate and adjust the rules about each ad for each platform independently. One of the biggest challenges was the Automated testing and keeping up with the frequent updates of every Ad Platform.
• Enabled the SEM teams to increase the quality of the Ads whilst enabling them to test ideas and run cross-channel tests efficiently.
• Reduced the loading time of the homepage from 4-6 seconds down to under 800ms by introducing smart caching
• Significantly boosted the organic search results listing and impacted the performance on the AdWords platform

My responsibilities encompassed the launch, development, and support of key platforms like Azmalo.pk, Daraz.pk, and Rocket Internet Core Shop. Utilizing my expertise in backend and frontend technologies such as PHP, nodejs, javascript, Solr, etc. My work not only involved shaping software design and architecture but also showcased my talent in team mentoring and growth.