SQL Backend Developer freelance

3 days ago

Remote, India 3b0c16d7-3ebe-41aa-b353-d36f2efbfb8f Full time ₹ 1,20,000 - ₹ 3,00,000 per year

We are seeking a highly skilled SQL Backend Developer to support a project-based engagement involving database design, backend development, and integration with modern frontend workflows. The ideal candidate will be proficient in Supabase (PostgreSQL BaaS) as well as custom backend development using with PostgreSQL or MySQL, providing both rapid development capabilities and full control when needed. The role also requires close collaboration with the design team using Figma for seamless implementation.

Key Responsibilities

  • Design, build, and optimize SQL databases (PostgreSQL/MySQL) for scalable and robust backend systems.
  • Develop backend APIs and services using Supabase for fast deployment and managed infrastructure.
  • Craft custom backend architectures using with PostgreSQL or MySQL when advanced logic or flexibility is required.
  • Integrate backend logic with UI layouts and workflows derived from Figma designs.
  • Implement secure authentication, authorization, and data access patterns.
  • Develop efficient SQL queries, indexes, triggers, and migrations.
  • Collaborate with frontend and design teams to ensure smooth data flow and system performance.
  • Troubleshoot, debug, and optimize backend performance across all components.
  • Deliver clean, well-documented code and maintain high engineering standards.

Required Skills & Experience

  • Strong hands-on experience with SQL databases (PostgreSQL or MySQL).
  • Proven experience with Supabase, including authentication, row-level security, database functions, and API integrations.
  • Solid expertise in and NestJS for custom backend development.
  • Ability to architect scalable, efficient, and secure APIs.
  • Experience connecting backend systems with designs and user flows provided in Figma.
  • Strong understanding of relational database design, schema optimization, indexing, and query performance.
  • Familiarity with version control (Git) and collaborative workflows.
  • Strong problem-solving skills and ability to deliver within project timelines.

Preferred Qualifications

  • Experience working in fast-paced or startup environments.
  • Knowledge of cloud environments (e.g., Vercel, AWS, Railway, ).
  • Understanding of frontend technologies (React, ) is a plus but not required.

Contact person:

Gray

Job Types: Part-time, Freelance, Volunteer

Contract length: 1 month

Pay: From ₹10,000.00 per month

Work Location: Remote

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