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Senior Full Stack Developer (Part Time)

Senior Full Stack Developer (Part Time)

HILL QUEEN TEASāngli, Republic Of India, IN
7 days ago
Job description

Senior Full-Stack Developer (Laravel + Node.Js + Flutter / React Native)- Part Time

Read Before Applying

This is not a freelance “ticket delivery” role.

We’re looking for a hands-on architect-builder who is ready to own a system end-to-end and evolve into a Founding CTO once Phase 1 scales.

Minimum 4+ years of deep backend experience required.

Engagement Details

  • Type : Part-Time (Transition to Full-Time Core Team Role)
  • Phase 1 : Milestone-based engagement
  • Phase 2 : Full-time Core Team position with performance-based compensation and equity allocation
  • Work Mode (For Phase 1) : Remote, flexible hours

We’re building something extraordinary — a next-generation digital commerce and rewards platform into a seamless experience. If you’re an experienced builder who wants to own , not just code, and architect the vision — this is your moment to be part of the founding story.

Your Role

You’ll help build the backend architecture, frontend systems, mobile apps, and integrations — collaborating directly with the founder to bring this project from 0 → 1.

This is a Phase 1 milestone-based engagement that transitions into a full-time core founding role with equity for the right candidate.

Key Responsibilities

  • Architect, develop, test, and deploy the full-stack Reward Commerce ecosystem (Backend + Admin + App)
  • Build Admin, Vendor, and User Panels with role-based access control
  • Create modular APIs for vendors, ads, rewards, postbacks, and analytics
  • Design the hybrid backend (Laravel + Node.Js) for both transactional stability and async performance
  • Implement microservices for event-driven tasks (tracking, analytics, notifications)
  • Develop Flutter / React Native apps for cross-platform launch
  • Integrate affiliate SDKs, game APIs, ad modules, and wallet systems
  • Manage DevOps, CI / CD, and cloud architecture (AWS / GCP)
  • Ensure scalability, security, and modularity from Day 1
  • Collaborate with the founder on architecture, sprints, and roadmap execution

    • Required Skills & Experience

    ✅ MERN / Laravel + Node.Js expertise – 5+ years of hands-on experience with Laravel, Postgres, MongoDB, Express, React, and Node.Js

    ✅ E-commerce or Reward Platform background — Built or scaled transactional marketplaces

    ✅ Reward / Affiliate Systems – Deep understanding of postback, cashback, or gamification integrations

    ✅ Cloud & DevOps – AWS / GCP setup, CI / CD pipeline management, containerization (Docker / Kubernetes)

    ✅ Security & Data Handling – Role-based access, JWT, encryption, fraud detection

    ✅ Mobile-first Development – Experience integrating Flutter or React Native apps

    ✅ Ownership Mindset – Strategic thinker with the ability to build fast, adapt fast, and ship clean

    Ideal Tech Stack

    Frontend / Mobile

  • Flutter (preferred) or React Native — Cross-platform mobile app for Android & iOS
  • Next.Js / React.Js — For Admin, Vendor, and Web Panels with SSR and modular components
  • Deep understanding of responsive UI , state management , and API integration

    • Backend / APIs

  • Laravel (PHP) — Core transactional backend for commerce, orders, wallets, and user systems
  • Node.Js (Express / NestJS) — For microservices like rewards, postback, and async processing
  • RESTful & WebSocket APIs with modular microservice architecture
  • Integration with 3rd-party APIs (Affiliate, Ad SDKs, Game APIs, Payments, etc.)
  • GraphQL (optional) for selective and optimized data queries

    • Database & Storage

  • PostgreSQL / MySQL — Core transactional database for users, orders, and payouts
  • MongoDB / Redis — For caching, logs, and real-time analytics
  • S3 / Cloud Storage — For media, digital products, and static assets

    • Analytics & Logging

  • MongoDB / Metabase / Grafana — For real-time dashboards, admin analytics, and BI insights
  • Event tracking for user actions, conversions, and offer success ratios
  • Error logging & performance monitoring via ELK stack or equivalent

    • Infra & DevOps

  • AWS / GCP / Azure
  • Docker / Kubernetes
  • CI / CD : GitHub Actions / Jenkins
  • Monitoring : Prometheus / Grafana / CloudWatch

    • Notification and Engagement

  • Firebase / OneSignal — For push, in-app, and campaign notifications
  • SMTP / Twilio / WhatsApp APIs — For transactional and promotional messaging
  • Event-based automation integrated with rewards and referral triggers

    • Important to Have

  • Experience in Reward Apps / Affiliate Platforms / Gaming / AdTech / FinTech
  • Worked with multi-tenant vendor systems
  • Knowledge of data pipelines and BI dashboards
  • Familiarity with AI personalization (TensorFlow Lite / OpenAI APIs)
  • Entrepreneurial mindset with a bias for speed, clarity, and ownership

    • How to Apply

    📧 Send your application to arc@hillqueentea.com

    Subject Line : “Full Stack Developer (Core Team)– [Your Name]”

    Include :

  • Links to live projects or code samples (especially in e-commerce / reward domains)
  • A short note on your experience with affiliate, reward, or gamification systems
  • Outline your approach to system architecture + tech stack decisions
  • Describe your experience with PostgreSQL + Redis + MongoDB + Kafka?
  • Describe your cloud / DevOps experience (AWS, GCP, CI / CD)
  • Share what excites you about building an early-stage platform
  • Mention the weekly time commitment (hours) available
  • Our phase 1 budget is modest and may be below your expectations. We’re looking for core founding members focused on long-term growth over short-term gains. Please confirm if you’re open to joining on a milestone-based compensation model.
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    Senior Developer • Sāngli, Republic Of India, IN

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