{"id":2208142,"url":"https://alion.io/job/merkle-sokrati-full-stack-developer","title":"Full Stack Developer","company":{"id":2191,"name":"Merkle","domain":"merkle.com","url":"https://alion.io/company/merkle-sokrati","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Rotterdam, Netherlands"],"countries":["NL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":50000,"max_usd":105000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":18},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Firebase","optional":false},{"name":"JavaScript","optional":false},{"name":"LLM","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"Okta","optional":false},{"name":"PostgreSQL","optional":false},{"name":"React.js","optional":false},{"name":"Supabase","optional":false},{"name":"TypeScript","optional":false},{"name":"Vite","optional":false},{"name":"Anthropic","optional":true},{"name":"OpenAI","optional":true}],"status":"live","first_seen_at":"2026-10-04T08:04:07Z","employer_posted_date":null,"last_verified_at":"2026-10-04T08:04:07Z","board_verified":false,"closed_at":null,"days_open":12,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":12},"description":"We’re looking for a hands-on Full-Stack Developer to build and scale the internal tools and AI-powered applications that support Merkle’s delivery. You’ll own the application layer end-to-end - from the backend up through the frontend - covering backend logic, infrastructure, authentication, deployments, and day-to-day stability.\n\n Location: Rotterdam\n\n Full time\n\n Fixed Term Contract (Fixed Term)\n\nWhat You’ll Do\n\n Own and maintain the full application stack across our internal tools: backend, database, auth, and frontend\n\n Design and implement authentication and access control (e.g., SSO with SAML or Okta, multi-tenant data isolation, role-based access)\n\n Write and maintain database schemas, migrations, and access policies (e.g., PostgreSQL with RLS and RPC functions)\n\n Build and manage serverless backend functions (e.g., for application logic and API integrations)\n\n Set up and maintain CI/CD pipelines and manage deployments across environments (e.g., DEV, UAT, PROD)\n\n Build and maintain modern frontends (e.g., React, Vite, TypeScript)\n\n Debug and resolve issues across the stack (e.g., build errors, networking, misconfigured services, 5xx errors)\n\n Collaborate with the AI/LLM side of the team to integrate model outputs cleanly into the application\n\n Take ownership from idea → build → run → improve\n\nWhat You Bring\n\n 3+ years in software engineering (full-stack, AI, or platform development)\n\n Experience with modern JavaScript/TypeScript stacks (React, Next.js, Node.js), frontend and backend\n\n Experience with Docker and self-hosted infrastructure, not just managed cloud services\n\n Knowledge and experience with multi-tenant application patterns\n\n Solid problem-solving skills and strong ownership mindset\n\nStrong advantage:\n\n Familiarity with backend-as-a-service platforms (e.g., Supabase, Firebase) for auth, database, storage, and serverless functions\n\n Exposure to alternative JS/TS runtimes (e.g., Deno, Bun)\n\nNice to Have\n\n Hands-on experience with LLM APIs (e.g., OpenAI, Anthropic)\n\n Familiarity with SSE streaming or real-time data patterns\n\n Familiarity with MarTech platforms (e.g., Adobe, Salesforce, CDPs)\n\n Experience with authentication systems (e.g., OAuth2, SAML, SSO)\n\nWhy This Role\n\n Build products, not projects\n\n Direct impact on how Merkle delivers at scale\n\n Work at the intersection of AI, engineering, and platform thinking\n\n High ownership and room to shape solutions\n\nWhat We Offer\n\n A dynamic, international work environment with colleagues from around the globe.\n\n A challenging position at a successful company in a growing market.\n\n A fun and inclusive culture-think foosball, table tennis, themed events, and team parties.\n\n 3 extra days off (yes, at Merkle we take your well-being very seriously) - in addition to 25 annual vacation days, there are 3 Well-being Days.\n\n 2 Social Impact Days - you can volunteer for a charity of your choice.\n\n Extensive learning and development opportunities, including a wide range of personal and online training.\n\n A hybrid work model, with 2-3 days in the office and the rest working from home.\n\n A competitive salary and excellent secondary benefits.\n\nCompany Description\n\nMerkle, a dentsu company, operates in 30+ countries with over 16,000 employees. In the Netherlands, more than 150 Merkle employees work with clients like ASML, Albert Heijn, HEMA, Carglass, and Signify. Merkle Netherlands is a strategic partner of Google, Adobe, Salesforce, and Selligent.","description_format":"text","description_chars":3458,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Hybrid work"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Sales & Marketing","Advertising","Books","Search Engine Optimization (SEO)"],"lifecycle":[{"event":"open","at":"2026-10-10T00:15:00Z"}],"visa":[],"liveness":{"score":75,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.832,"p_room":0.9,"age_days":11,"expected_fill_days":31,"reasons":["seen:11","velocity","win:mid"],"computed_at":"2026-10-16T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/merkle-sokrati-full-stack-developer","json_url":"https://alion.io/job/merkle-sokrati-full-stack-developer.json","meta":{"generated_at":"2026-10-17T01:03:54Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":1491,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":2191},"rest":"https://alion.io/mcp/rest/get_company?id=2191"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmerkle-sokrati-full-stack-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fmerkle-sokrati-full-stack-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fmerkle-sokrati-full-stack-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/merkle-sokrati-full-stack-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmerkle-sokrati-full-stack-developer"}]}