{"id":688499,"url":"https://alion.io/job/workstaff360-urgent-senior-full-stack-developer-react-next-js-sanity-medusa-kafka-mongodb","title":"URGENT: Senior Full Stack Developer (React, Next.js, Sanity, Medusa, Kafka, MongoDB)","company":{"id":685744,"name":"WorkStaff360","domain":"workstaff360.com","url":"https://alion.io/company/workstaff360","size_band":"201-500","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Pinpoint","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Islamabad, Pakistan"],"countries":["PK"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"GraphQL","optional":false},{"name":"Next.js","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"CI/CD","optional":true},{"name":"Docker","optional":true},{"name":"GCP","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-10T00:41:40Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-11-02T11:01:05Z","board_verified":true,"closed_at":null,"days_open":53,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":53},"description":"We are building a new eCommerce platform that fetches and manages product data through APIs.\nThis is an ONSITE position.\nThe website must be built with SEO in mind, using Server-Side Rendering (SSR) for better search engine ranking. The selected candidate will also need to analyze and understand our existing website’s codebase in order to replicate and enhance it with new features.\nKey Responsibilities\nDevelop and maintain web applications using React, Next.js, Sanity CMS, and Medusa.\nImplement Server-Side Rendering (SSR) to improve SEO performance.\nIntegrate with and manage data from APIs.\nWork with Kafka for data streaming and processing.\nManage and optimize MongoDB databases.\nAnalyze, understand, and extend the existing website codebase to create a scalable and high-performance platform.\nSkills, Knowledge and Expertise\n4+ years of professional experience in Full Stack Development.\nStrong proficiency in React.js and Next.js.\nHands-on experience with Sanity CMS and Medusa framework.\nProficient in MongoDB for database design and optimization.\nSolid understanding of Apache Kafka for real-time data pipelines.\nStrong knowledge of API integration (REST/GraphQL).\nExperience in Server-Side Rendering (SSR) 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