Senior Full-Stack Developer (Python+React.js)

Codebase; Pune District; On-site; Full time

Job description

Company Introduction

Codebase is a young software services company with a great pool of tech-savvy developers. We started in the spring of 2018, and have been growing aggressively. We are located in Pune, India, and serve software product companies across the globe; focusing on enterprise SaaS, eCommerce, cloud, and application development.

We are looking for a high-impact Full Stack Engineer who can build, scale, and own modern web and mobile applications end-to-end. You will work across Python backend systems and React (Web), contributing to product decisions, system architecture, and performance optimization.

This role is ideal for someone who enjoys building production-ready systems, cares about clean code, and understands how scalable products are built and operated in real-world environments.

Key Responsibilities

• Design, develop, and maintain scalable web applications using Python (FastAPI) for backend services and React.js / Gatsby for frontend development.
• Build and optimize RESTful APIs, ensuring high performance, security, and scalability.
• Develop responsive and user-friendly UI components using HTML5, CSS3, JavaScript (ES6+), TypeScript, and Tailwind CSS.
• Collaborate with cross-functional teams (design, product, backend) to deliver end-to-end features.
• Deploy, manage, and monitor applications on AWS (S3, CloudFront) and GCP (GKE, Pub/Sub).
• Write clean, maintainable, and testable code, ensuring high code quality through unit and integration testing.
• Manage source code using Git and follow best practices for version control and CI/CD workflows.
• Optimize application performance, troubleshoot issues, and implement improvements.
• Participate in code reviews, technical discussions, and contribute to architectural decisions.
• Stay updated with emerging technologies and suggest improvements to existing systems.

Requirements

• 3–9 years of experience in full-stack development.
• Solid backend experience using Python.
• 2+ years React.js, Hands-on experience with TypeScript.
• Solid understanding of HTML5, CSS3 and Tailwind CSS.
• Experience building REST APIs and real-time systems (WebSockets/SSE)
• Strong knowledge of PostgreSQL
• Hands-on experience with JWT and OAuth2 authentication
• Experience with Docker and CI/CD pipelines (GitHub Actions)
• Familiarity with logging, monitoring, and error tracking tools
• Strong understanding of software engineering best practices

Nice to have

• Exposure to system design and scalable architectures
• Experience handling production incidents and performance tuning
• Knowledge of testing frameworks and automated testing
• Prior experience in agile or fast-paced startup environments

Soft Skills

• Excellent problem-solving and analytical skills.
• Strong communication and interpersonal abilities.
• Ability to work independently and as part of a team.
• Proactive and eager to learn new technologies.