Full Stack Developer (React + Python)
Website ZensorSolutions Zensor Solutions LLP
Transform Data Into Decisions.
About the Role
We are looking for a Full Stack Developer to help build a modern, AI-powered SEO intelligence platform from the ground up.
You will work across the entire technology stack, owning frontend development, backend services, data pipelines, cloud infrastructure, and deployment workflows. This is an early-stage product role where your engineering decisions will directly influence product architecture, scalability, performance, and reliability.
You will work closely with the founding team to build a platform that combines analytics, SEO intelligence, AI-driven insights, reporting, and large-scale data processing into a unified SaaS product.
Key Responsibilities
Frontend
- Build and maintain the core web application using React with a strong focus on performance, scalability, and maintainability.
- Develop interactive dashboards, reporting interfaces, and analytics views for data-heavy workflows.
- Translate product requirements and designs into reusable, maintainable UI components.
- Manage application state, routing, and frontend performance optimization.
- Ensure responsive design and cross-browser compatibility.
Backend & Data Engineering
- Design, develop, and maintain scalable APIs using Python and FastAPI.
- Build and optimize data processing pipelines for SEO, analytics, AI, and reporting workflows.
- Integrate third-party services and APIs including SEO data providers and scraping platforms.
- Design and optimize PostgreSQL schemas for performance and scalability.
- Implement authentication, authorization, and API security best practices.
- Build background processing systems, scheduled jobs, and asynchronous workflows.
- Develop and maintain web scraping and data collection systems.
Infrastructure & DevOps
- Deploy and manage production applications on AWS or Google Cloud.
- Configure and maintain CI/CD pipelines for reliable and automated releases.
- Build and manage containerized environments using Docker.
- Monitor application performance, logs, uptime, and system reliability.
- Assist with infrastructure scaling, security, and operational best practices.
Collaboration & Architecture
- Work closely with founders to define technical architecture and product workflows.
- Participate in technology selection and engineering decision-making.
- Write clean, maintainable, well-documented production code.
- Take ownership of features from planning through deployment and monitoring.
Technology Stack
Frontend
- React
- TypeScript
- Modern UI frameworks and component libraries
Backend
- Python
- FastAPI
Database
- PostgreSQL
Infrastructure
- AWS
- Docker
- CI/CD Pipelines
Integrations & Tools
- Firecrawl
- DataForSEO
- Playwright
- AI APIs and LLM integrations
Requirements
- 3+ years of experience building production-grade web applications.
- Strong experience with React and modern frontend development.
- Strong proficiency in Python.
- Experience building REST APIs using FastAPI, Django, Flask, or similar frameworks.
- Solid understanding of PostgreSQL database design and optimization.
- Experience integrating third-party APIs and external data sources.
- Experience deploying applications to cloud platforms such as AWS or Google Cloud.
- Familiarity with Docker and containerized deployments.
- Experience with CI/CD pipelines and modern development workflows.
- Strong understanding of authentication, authorization, and application security.
- Ability to work independently and take ownership of features end-to-end.
Nice to Have
- Experience building SaaS products.
- Experience with web scraping, crawling, or browser automation tools.
- Experience with SEO, analytics, reporting, or marketing technology platforms.
- Experience working with AI APIs, LLMs, or AI-powered applications.
- Experience with data visualization libraries and analytics dashboards.
- Experience in early-stage startups or fast-paced product environments.
Why Join
- Work directly with the founding team on an AI-powered SaaS platform.
- Build a product from the ground up with significant technical ownership.
- Influence architecture, engineering standards, and product direction.
- Own features end-to-end, from database design to deployment.
- Join at an early stage where your work has a visible impact on the product and business.
Job Type: Full Time
Location: Remote
To apply for this job please visit forms.gle.
Ready to unify your agency's SEO stack?
Stop juggling 5+ tools for one report. Zensor brings SEO audits, GA4 analytics, GSC data, and AI search tracking into a single platform.