Newxel - Senior Full Stack Engineer (NXJ-178)
Requirements
• Must-have • 6+ years of full-stack development experience with React and Python • Strong command of HTML, CSS, JavaScript, and DOM fundamentals — not framework-dependent, genuinely understands the platform • RESTful API design and implementation, both building and consuming • Hands-on production experience with PostgreSQL and Redis • Experience designing frontend software architecture — not just building components inside someone else's structure • Track record of driving technical design for scalable systems • Hands-on experience working with AI models and agentic development patterns in production • Django, Flask, or FastAPI • AWS or equivalent cloud platform experience • Microservices and event-driven architecture • Message brokers: Kafka or RabbitMQ
Responsibilities
• Design and implement full-stack features end-to-end — from frontend components through API contracts to data models • Own frontend architecture decisions: how the UI is structured, how state is managed, how it scales as the product grows • Drive technical design for backend systems with scalability and reliability as hard constraints • Build and maintain data solutions on PostgreSQL and Redis — schema design, query optimisation, caching strategy • Integrate and work with production AI models and agentic workflows as first-class product components • Write code that's tested, observable, and maintainable — not code that ships and gets forgotten • Contribute to service architecture decisions: how components communicate, how they fail gracefully
Benefits
• Full-stack ownership here is genuine — you're making frontend architecture decisions and backend design calls on the same product, not switching contexts between two separate teams • AI and agentic development are already in production, which means you're working with these systems at real constraints, not building demo integrations • The problem space involves scale and data complexity that makes the engineering non-trivial — PostgreSQL and Redis at volume, systems designed to not break • Technical design authority is part of the role from day one — the expectation is that you shape how things are built, not just execute what's been decided
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