Full Stack Engineer - Python/React
First seen by Alion on Nov 11, 2026.
Job Description: Full Stack Engineer - AI-Enabled Development
Company Name: Finbase
About Finbase:
Finbase is a new age credit operating infrastructure and payments systems technology company. Finbase has built technology for the frontier market financial services ecosystem, helping NBFCs, MFIs, Corporate BCs and fintech lenders digitise and scale their operations.
Role Overview:
We are looking for a Full Stack Engineer to build, enhance and maintain features across ARTH's lending platform, including web applications, mobile applications, APIs and cloud infrastructure. The role involves end-to-end ownership of product features, from design and development to testing, deployment and production support. The candidate should be comfortable using AI-powered development tools to improve coding productivity, debugging, testing and documentation, and exploring AI-enabled features where they add value to the product.
Key Responsibilities:
1. Frontend & Mobile Application Development:
- Develop responsive web interfaces using React and mobile applications using React Native.
- Translate product requirements into clean, reusable and maintainable UI components.
- Optimize application performance, usability and compatibility across devices.
- Integrate frontend and mobile applications with backend services and APIs.
2. Backend & API Development:
- Develop scalable backend services and REST APIs using Python and frameworks such as Django or FastAPI.
- Implement business logic for lending workflows, including customer onboarding, KYC, underwriting, disbursement and collections.
- Build reliable, maintainable and well-documented APIs to support web, mobile and partner integrations.
3. Database Management & Integrations:
- Design and maintain database schemas and optimize queries across PostgreSQL, MySQL, MongoDB or similar databases.
- Integrate third-party services, including KYC providers, credit bureaus, payment gateways, banking systems and partner APIs.
4. AI-Assisted Development & Product Innovation:
- Use AI-powered coding assistants and development tools to accelerate code generation, refactoring, debugging, testing and technical documentation.
- Evaluate AI-generated code for correctness, security, performance and maintainability before implementation.
- Identify opportunities to incorporate AI capabilities into applications and lending workflows where they provide measurable business value.
5. Cloud, Deployment & Reliability:
- Support application deployment and maintenance on AWS or similar cloud platforms.
- Maintain CI/CD pipelines and contribute to automated build, testing and deployment processes.
6. Code Quality, Testing & Security:
- Write clean, maintainable and testable code following established development standards.
- Conduct code reviews and implement unit, integration and functional testing.
- Follow secure coding practices to protect financial, customer and personal data.
7. Product Collaboration & Feature Ownership:
- Work with product, technology and client teams to understand requirements, estimate effort and deliver features.
- Own assigned features throughout the development lifecycle, from solution design to production deployment.
Desired Profile:
- B.Tech, B.E., MCA or equivalent qualification in Computer Science, Information Technology or a related field.
- 2+ years of hands-on experience developing and deploying production applications as a Full Stack Engineer.
- Strong working knowledge of React, React Native, Python, Django or FastAPI.
- Experience developing REST APIs and integrating third-party services.
- Practical experience with SQL and NoSQL databases, including PostgreSQL.
Skills
Full Stack, Python, Django, FastAPI, React.js, React Native, PostgreSQL