Kashif A.

Senior backend developer with 17 years in PHP and Golang. I build fast, reliable APIs and backends for e-commerce platforms, marketplaces and SaaS products and I fix the slow, fragile ones. Recent work: Ankorstore (European B2B wholesale marketplace), 5 years building Spryker B2B/B2C commerce platforms at DEPT, plus legal-tech and e-commerce startups in Hamburg, Germany. WHAT I CAN DO FOR YOU ✔ Spryker development : custom modules, Glue API, data imports, Publish & Synchronize, performance tuning, upgrades ✔ PHP backend development : Symfony, Zend/Laminas, legacy code rescue, PHP 8 upgrades, refactoring ✔ Golang microservices : high-throughput services, moving parts of a PHP monolith to Go ✔ REST API development & third-party API integrations ✔ Performance optimization : slow queries, Redis caching, Elasticsearch search, RabbitMQ queues ✔ Code review & architecture audit with a clear, written action plan TECH STACK PHP 8 · Golang · Spryker · Symfony · Zend · MySQL · PostgreSQL · Redis · Elasticsearch · RabbitMQ · Docker · AWS · CI/CD · PHPUnit · TDD HOW I WORK • Clean, tested, documented code — ready for your team to maintain • Clear written updates, no surprises on scope or budget • Based in Germany (CET) — good overlap with Europe and US East Coast Best fit: well-defined backend tasks, performance fixes, code audits and ongoing part-time support. Message me with what you're building and where it hurts and I'll reply with how I'd approach it.