Job Opening (Immediate Requirement) | Posted on 10-09-2025 | Back to Careers

Fullstack Developer

Experience: 3+ yrsLocation: WFH

Key Responsibilities

  • Deliver technical elements (code, architecture, and documentation) including but not limited to the following technologies: ReactJS, NextJS, Python, FastAPI, Pandas, Numpy, PostgreSQL, Generative AI, GraphQL or similar, Apollo or similar, Minio or similar.
  • Set up code pipelines for B2B applications to enable compilation and auto-deployment.
  • Engage in the design, development, testing, and maintenance of web and mobile products.
  • Create business, technical requirements, and design documents that meet business needs, adhering to XcelPros’s documentation standards.
  • Convert requirements into detailed technical designs and configure / develop within the Product ecosystem accordingly.
  • Develop components with developers both near and offshore, including code review, hands-on code updates, architecture review, and updates.
  • Participate in Active Directory (AD), security/authorization setup, data interface design, data migration, and reconciliation.
  • Collaborate with other IT teams (eCommerce/BI/ERP/Architecture) to ensure design alignment with overall solution strategy and leverage core system features in product development.
  • Analyze and set up coding standards and multi-tenant architecture; review and optimize code as per best practices.
  • Perform technical and functional analysis as required.
  • Analyze issues to determine root cause and necessary corrective actions.
  • Provide post-implementation support for deployed solutions.
  • Serve as the point person for addressing issues and enhancements related to the specific product and functional area.
  • Design, develop, and maintain scalable backend services and APIs using Python and JavaScript.
  • Work with Supabase (PostgreSQL) for database design, triggers, and row-level security (RLS).
  • Build and manage backend components for automation workflows, user events, and notifications.
  • Develop secure integrations with external systems (e.g., Salesforce, Microsoft D365, cloud storage, messaging platforms).
  • Implement serverless functions and cron jobs for scheduled or event-based triggers.
  • Collaborate with frontend teams to ensure seamless data flow across the stack.
  • Write clean, maintainable code with thorough documentation and testing.
  • Monitor performance, logs, and errors; implement retries and error handling for resilience.
  • Contribute to DevOps pipeline, including deployments, environment management, and CI/CD.

Required Skills & Experience

  • 3+ years of backend development experience using Python (with FastAPI or similar frameworks).
  • Strong experience with PostgreSQL and modern backend-as-a-service platforms like Supabase or Firebase.
  • Deep understanding of RESTful API design and asynchronous programming.
  • Hands-on experience with authentication, access control, and multi-tenant architecture.
  • Familiarity with cloud services (e.g., AWS Lambda, Vercel Functions, or GCP).
  • Experience with event-driven systems, webhooks, or message queues (Kafka, NATS, etc.).
  • Comfort working in a Git-based development process with code reviews and pull requests.
  • Ability to write unit/integration tests (Jest, Mocha, etc.) and ensure code reliability.

Bonus Skills (Nice to Have)

  • Experience with Supabase-specific features like row-level security, triggers, and realtime updates.
  • Background in workflow engines, automation design, or low-code platforms.
  • Experience working with GraphQL and data transformation pipelines.
  • Knowledge of OAuth, token-based auth flows, and multi-system user identity management.
  • Familiarity with job schedulers like Apache Airflow, Temporal, or custom cron logic.
  • Exposure to AI/NLP-based applications or intelligent assistants.