Sr. Full Stack Developer(React Js

Senior Full Stack Developer

Description

About IDR:

IDR is a global Expert Network that connects industry-agnostic clients with vetted experts across all sectors, seniorities, and geographies. We have over 500,000 institutional, business, and life sciences leaders and decision-makers, spanning all functions and seniority levels. With locations in the USA, Asia, and Europe, we have a team of more than 200 analysts dedicated to new expert recruitment.

The Role:

We are seeking an experienced Senior Full Stack Developer to join our engineering team. You will independently design, develop, and deliver complete features from conception to deployment, using React, , and PostgreSQL as core technologies. You will collaborate with cross-functional teams to build scalable, high-quality solutions deployed on AWS infrastructure, leveraging modern tools and practices to drive innovation.

Key Responsibilities:

• Independently design, develop, and deliver end-to-end features, from front-end UI to back-end logic and database integration, using and
• Write clean, efficient, and reusable code, adhering to best practices and coding standards.
• Design, implement, and optimize complex PostgreSQL database systems, including schemas, queries, stored procedures, triggers, and migrations to support feature development.
• Apply advanced database performance tuning, including query optimization, indexing strategies, and execution plan analysis for large, high-traffic datasets.
• Collaborate with UI/UX designers to implement responsive, intuitive, and accessible user interfaces that align with feature requirements.
• Participate in code reviews, providing constructive feedback to ensure high code quality.
• Debug and resolve issues across the full application stack, ensuring robust feature functionality.
• Contribute to technical documentation, API specifications, and system architecture discussions.
• Optimize application performance across front-end, back-end, and database layers to ensure seamless user experiences.
• Deploy and manage applications using GitHub Actions for CI/CD and AWS infrastructure (e.g., EC2, Lambda, RDS, ECS).

What Are We Looking For?

• Bachelor's degree in Computer Science or a related field (or equivalent experience).
• Minimum of 6 years of professional software development experience in a corporate environment, with a proven track record of delivering complete features from the ground up. Experience must be from full-time roles; academic projects, internships, or freelance work will not count toward the experience requirement.
• Expert-level proficiency in PostgreSQL, including designing optimized schemas, writing complex SQL queries, and performing advanced query optimization to support scalable features.
• Expert-level proficiency in JavaScript and TypeScript, with deep knowledge of modern ES6+ features and static typing.
• Strong proficiency in and its core principles, including modern state management libraries (e.g., Redux, Zustand).
• Extensive experience with and server-side rendering.
• Proven ability to analyze and optimize PostgreSQL performance using indexing strategies, query execution plans, and monitoring tools.
• Proficiency with version control systems (Git).
• Experience with GitHub Actions for CI/CD and deploying applications on AWS infrastructure.
• Strong problem-solving skills, ownership of feature delivery, and meticulous attention to detail.
• Excellent written and verbal communication skills, with the ability to collaborate effectively in agile, cross-functional teams.
• Adaptability to learn and integrate modern tools and technologies as part of feature development.

Requirements:

• Advanced experience with TypeScript for building robust, type-safe applications.
• Expertise in testing frameworks such as Jest and React Testing Library to ensure feature reliability.
• Strong knowledge of API design and building RESTful services to support end-to-end feature integration.
• Proficiency with CSS frameworks (e.g., Tailwind CSS, Bootstrap) and responsive design principles.
• Experience with GitHub Actions for CI/CD pipelines and deploying to AWS infrastructure (e.g., RDS for PostgreSQL, ECS, Lambda).
• Expertise in PostgreSQL optimization, including indexing, query execution plan analysis, and performance tuning for large datasets.
• Proficiency with ORM frameworks (e.g., Prisma, TypeORM) and understanding their performance implications in PostgreSQL.
• Proficiency in PostgreSQL database migrations and version control for schemas (e.g., Liquibase, Flyway).
• Demonstrated contributions to open-source projects or a strong portfolio showcasing end-to-end feature development (e.g., GitHub repository or equivalent).

Preferred Qualifications

• Experience with GraphQL and modern API paradigms
• Deep knowledge of AWS services (e.g., S3, CloudFormation, Route 53) for application deployment and scaling.
• Familiarity with containerization technologies (e.g., Docker, Kubernetes) on AWS.
• Experience with microservices architecture or serverless frameworks to support scalable feature development.
• Knowledge of modern front-end performance optimization techniques (e.g., lazy loading, code splitting).

Working Hours: 06:00 PM - 03:00 AM

Working model: Full-time onsite role