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Principal Fullstack Python Developer

Rtx India Private Limited

Yelahanka

Not disclosed

Work from Office

Full Time

Min. 6 years

Job Details

Job Description

Principal Developer -Fullstack Python Fast API

Date Posted:

2026-02-02

Country:

India

Location:

IN-KA-BENGALURU-NORTHGATE ~ Sy No 2/2 Venkatala Village ~ SY NO 2/2 VENKATALA VILLAGE, Yelahanka Hobli

Position Role Type:

Onsite

Pratt & Whitney is working to once again transform the future of flight—designing, building, and servicing engines unlike any the world has ever seen. And because transformation begins from within, we’re seeking the people to drive it. So, calling all curious. Come ready to explore and you’ll find a place where your talent takes flight—beyond the borders of title, a country, or your comfort zone. Bring your passion and commitment and we’ll welcome you into a tight-knit team that takes our mission personally. Channel your drive to make a difference into shaping an organization and an industry that’s evolving fast to the future. At Pratt & Whitney, the difference you make is on display every day. Just look up. Are you ready to go beyond?

What You Will Do

Develop new application / Provide L2 application support by diagnosing, troubleshooting, and resolving production issues in Python and Fast API.
Analyze application logs, database queries, and system behavior to identify root causes and implement long-term fixes.
Design, develop, and enhance backend services using Python and MS SQL Server within a microservices architecture.
Develop and maintain Backend features using REST API design principles
Implement secure, scalable APIs following JWT-based authentication and authorization security
Write and maintain unit tests and support CI/CD pipelines to ensure stable releases and smooth deployments.
Collaborate with cross-functional teams to deliver new features, support production systems, and continuously improve application reliability.

Qualifications You must have

Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
6+ years of experience in a full stack or back-end development role.
Experience working with Agile methodologies (Scrum, Kanban).

Backened Development:

python backend developer with hands-on experience in Fast API for building high-performance APIs and mysql for database management.
Strong proficiency in Python
Hands-on experience with FastAPI
Experience with MS SQL Server
Knowledge of SQLAlchemy / ORM concepts
Understanding of REST API design principles
Experience with JWT-based authentication and authorization
Familiarity with async programming in Python
Knowledge of cloud platforms (Azure)

Qualifications We Prefer

Familiarity with AWS services, especially in the context of event-driven architectures (e.g., AWS Lambda, SNS, SQS).
Experience with container orchestration tools like Kubernetes.
Familiarity with Cloud platforms (AWS, Azure, GCP) for cloud-native development.
Familiarity with Clean Architecture, CQRS, and MediatR library for building maintainable systems
Knowledge of Git and version control systems
Experience with API documentation tools (Swagger / OpenAPI)
Experience with Backend for Frontend (BFF) or API Gateway patterns to manage API calls and handle back-end communication
Strong problem-solving skills and attention to detail.
Excellent communication skills and the ability to work in a collaborative team environment.

What We offer

Long-term deferred compensation programs
Daycare for young children
Advancement programs to enhance education skills
Flexible work schedules
Leadership and training programs
Comprehensive benefits, savings, and pension plans
Financial support for parental leave
Reward programs for outstanding work

Role Type: Hybrid - Employees who are working in Hybrid roles will work regularly both onsite and offsite.

Employment Type:

Full-time
This position requires flexibility to support outside the regular office hours as per the need basis

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.

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