Full-Stack Developer

1 day ago

Kolkata, India Lead For Revenue Generation Full time

Company: L4RG US LLCProject: BlackHatSEO.co.in — Modern Forum + Marketplace PlatformLocation: Remote Experience Required: 4–8+ yearsJob Type: Part-time . Freelancer / Contract (6–12 Months)Start Date: ImmediateExperience: 5–10 YearsApply: Email: l4rgindia@gmail.comAbout the RoleWe are building a cutting-edge SEO & Growth Hacking Community + Marketplace, engineered for performance, security, and scale. Think: BlackHatWorld 2.0 — rebuilt with modern architecture, real-time systems, advanced search, intelligent matching, and a secure escrow layer.We’re hiring a Full-Stack Architect-level Engineer who can own the technical vision and build a world-class platform used by global marketers, growth hackers, affiliates, and online businesses.Reference Forum Site: https://www.blackhatworld.com/What You Will BuildAs our senior engineer, you will architect and implement:Platform ModulesReal-time Forum System (threads, replies, moderation dashboard)Marketplace Engine (service listings, advanced filters, ratings, reviews)Escrow Payment Workflow (fund-hold → deliverable → dispute → release)Seller Performance Analytics (delivery time, conversion rate, dispute rate)Advanced Search Engine using Meilisearch/AlgoliaUser Profile & Reputation SystemAdmin & Moderation PlatformContent Hub (SEO-optimized learning center)What We Expect — Core Technical SkillsFrontendReact.js, Next.js 13/14 (App Router + RSC)TailwindCSS + ShadCN UIZustand or Redux ToolkitStrong understanding of SSR/SSG/ISR and SEO optimizationPixel-perfect UX building skillsBackendNode.js + Express / NestJSREST API architectureAuthentication: JWT, OAuth, RBACWebSockets (Socket.io)Redis (queues, caching, session)Prisma ORMDatabasePostgreSQL (must)Schema design for forums, search, transactions, disputesSearch EngineMeilisearch / AlgoliaIndex ranking rules, synonyms, relevance tuningPaymentsRazorpay/StripeWebhook securitySplit payments / payoutsTransaction monitoringDevOpsVercel + GitHub ActionsServerless functionsCDN, image optimizationSentry / LogRocketBonus Skills (Huge Plus)Built a forum, SaaS community, or marketplace previouslyExperience with escrow systems or wallet-based transactionsKnowledge of SEO, automation, growth hacking toolsExperience with load testing, large user basesSecurity: rate limiting, anti-spam, bot detectionAI automation experience (Python or JS)Experience Required5–10 years professional full-stack developmentProven execution of large-scale platform (forum, marketplace, SaaS, community)Ability to convert business requirements into scalable architectureStrong product thinking & ownership mindsetWhat We OfferWork on a global product designed for millions of usersFull architectural freedomHigh compensation for high performanceZero bureaucracy — fast execution teamLong-term leadership role availableHow to ApplyEmail: l4rgindia@gmail.com Subject: Full-Stack Architect – BlackHatSEO.co.in Attach: ✔ Resume ✔ Portfolio / GitHub ✔ 2–3 live projects ✔ Available start datevisit us: www,l4rg.com

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