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Urgent! Senior Full-Stack Developer (Python, Node.js, React) Jobs | Deepstreamtech

Senior Full Stack Developer (Python, Node.js, React)



Job description

Requirements

Strong backend proficiency across Node.js (Nest.js, Express, Hono) and Python (FastAPI, Flask), with TypeScript and Python as working languages

Strong Next.js and React experience

Experience integrating AI/LLM APIs as an application logic layer: validation, classification, content generation, and decision-making within business workflows

Database design and management: PostgreSQL, MongoDB, cloud-managed services (Cloud SQL, RDS, ApsaraDB)

Authentication and authorisation patterns (JWT, OAuth, RBAC) and API security

Cloud engineering: edge functions, CDN configuration, serverless architecture, container orchestration

Full-stack test automation: unit, API/integration, component, and E2E testing

Performance optimisation: caching, query optimisation, code splitting, monitoring

REST and/or GraphQL API design

Demonstrated ability to orchestrate AI development tools through strategic prompting and quality oversight

Deep understanding of the following technologies is essential:

Node.js, TypeScript, Nest.js, Express, Hono, Python, FastAPI, Flask

Next.js, React, Tailwind CSS

PostgreSQL, MongoDB, cloud-managed database services

Authentication: JWT, OAuth, RBAC

Cloud and edge: Alibaba Cloud, GCP, AWS, Cloudflare Workers, Vercel Edge, Lambda

AI/LLM API integration and orchestration

Testing: Vitest/Jest, React Testing Library, Playwright/Cypress, API testing

Docker, CI/CD, Git, Claude Code

(Desirable) Experience in a consulting or agency environment across multiple concurrent client engagements

(Desirable) Apollo GraphQL Server for federated or schema-first APIs

(Desirable) Event-driven patterns (webhooks, message queues, real-time notifications)

(Desirable) Multi-model AI strategies (routing between LLMs based on task requirements)

(Desirable) Graph databases (Neo4j) or vector databases (pgvector, Pinecone)

(Desirable) Infrastructure as Code (Terraform, Pulumi)

(Desirable) Export/print workflows (PDF generation, report exports)

We are proud to be an Equal Opportunity Employer and we encourage applicants from all backgrounds, lived experiences and industries to apply

What the job involves

As a Full-Stack Developer, you will architect and build custom web applications across multiple client engagements, owning both the backend API layer and the frontend

A defining aspect of this role is working with AI as a logic layer within applications: integrating LLM APIs for validation, decision-making, classification, and content generation

You make strong technical decisions around authentication, security, state management, and performance, and you bring cloud engineering awareness for edge computing, CDN delivery, and serverless environments

This is not a traditional manual coding role

You orchestrate AI development tools, primarily Claude Code, through strategic prompting and rigorous review, taking full ownership of what ships

Architect and build custom web applications using Node.js (Nest.js, Express, Hono), Python (FastAPI, Flask), and Next.js/React

Design and build RESTful and/or GraphQL APIs that serve multiple frontends and integrate with third-party services

Integrate AI and LLM APIs as a core logic layer, building intelligent features such as validation, classification, content generation, and decision support

Implement authentication, authorisation (JWT, OAuth, RBAC), and security across applications

Design and manage database layers (PostgreSQL, MongoDB, cloud-managed equivalents), including schema design, migrations, and query optimisation

Architect with cloud-native patterns: edge functions, CDN configuration, serverless deployments, and caching strategies

Write and maintain automated tests across the full stack: unit (Vitest/Jest), API/integration, component (React Testing Library), and E2E (Playwright/Cypress)

Orchestrate AI development tools (Claude Code) through strategic prompting, ensuring high-quality, production-ready output

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Required Skill Profession

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