Senior Software Engineer – Python (FastAPI | Azure | Data Platforms)

Who We Are

At Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world’s leading businesses.  We are at the heart of progress; with proven expertise and a continuous flow of AI-powered insight, enabling smarter decisions, faster innovation, and a lasting competitive edge. For our people—Kyndryls—that means doing purposeful work that powers human progress. Join us and experience a flexible, supportive environment where your well-being is prioritized and your potential can thrive.

The Role

We are looking for a Senior Software Engineer to join the DIAL (Data Integration & Analytics Layer) team, responsible for building scalable, high-performance enterprise applications that power data preprocessing, observability, and data product pipelines.
The role involves designing and developing API-driven platforms using FastAPI, integrating with Azure data services, and contributing to reliable, observable, and production-grade data systems.

Key Responsibilities

• Design and develop high-performance backend services using FastAPI, Pydantic, and SQLAlchemy

• Build and maintain API-driven data processing and orchestration frameworks within DIAL

• Implement asynchronous and concurrent processing using Python (asyncio) for scalable workloads

• Integrate with Azure services such as ADLS, ADF, Databricks, and related data platforms

• Develop robust data models, validation layers, and persistence mechanisms

• Ensure observability, logging, and monitoring for enterprise-grade applications

• Write unit and integration tests using Pytest to ensure code quality and reliability

• Collaborate with data engineers, architects, and product owners to deliver end-to-end solutions

• Participate in code reviews, design discussions, and performance optimization initiatives

• Contribute to CI/CD pipelines and containerized deployments

Your Future at Kyndryl
The career path ahead is full of exciting opportunities to grow and advance within the job family. With dedication and hard work, you can climb the ladder to higher bands, achieving coveted positions such as Principal Engineer or Vice President of Software. These roles not only offer the chance to inspire and innovate, but also bring with them a sense of pride and accomplishment for having reached the pinnacle of your career in the software industry.

Who You Are

You’re good at what you do and possess the required experience to prove it. However, equally as important – you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused – someone who prioritizes customer success in their work. And finally, you’re open and borderless – naturally inclusive in how you work with others.
Required Technical and Professional Experience

Core Engineering
• Strong experience in Python backend development
• Hands-on experience with: FastAPI, Pydantic, SQLAlchemy

• Good understanding of REST API design and microservices architecture

Cloud & Data Platforms

• Experience working with Microsoft Azure
• Familiarity with: ADLS (Azure Data Lake Storage), Azure Data Factory / Databricks (preferred)

Concurrency & Performance

• Working knowledge of Python Asyncio
• Understanding of high-throughput and low-latency system design

Testing
• Practical experience with Pytest
• Experience in unit, integration, and API testing

DevOps & Deployment
• Experience with containerization (Docker / Kubernetes)
• Familiarity with CI/CD practices

Preferred Technical and Professional Experience
• Experience with performance testing and tuning
• Knowledge of Terraform / Infrastructure as Code (IaC)
• Exposure to observability frameworks (OpenTelemetry, logging, tracing)
• Experience in data engineering or data platform ecosystems

Soft Skills

• Strong problem-solving and analytical thinking
• Ability to work in cross-functional teams (engineering, product, operations)
• Good communication skills for enterprise stakeholder interactions
• Ownership mindset with focus on delivery and reliability

Why Join DIAL Team
• Work on enterprise-scale data platforms impacting critical banking systems
• Contribute to observability, reliability, and next-gen data processing frameworks
• Exposure to modern tech stack (FastAPI, Azure, OpenTelemetry, KDAC)
• Opportunity to build high-impact, production-grade systems

Being You

The “Kyn” in Kyndryl means kinship, which represents the strong bonds we have with each other, our customers and our communities. We focus on ensuring all Kyndryls feel included and we welcome people of all cultures, backgrounds, and experiences. Even if you don’t meet every requirement, we encourage you to apply. We believe in growth, and we’re excited to see what you can bring. At Kyndryl, employee feedback has told us that our number one driver of employee engagement is belonging. That sense of belonging — being a valued, respected, trusted member of the team — is fundamental to our culture and fueling great experiences for our customers. This dedication to welcoming everyone into our company means that Kyndryl gives you the ability to thrive and contribute to our culture of empathy and shared success. That’s The Kyndryl Way.

What You Can Expect

Your career with us isn’t just a job—it’s an adventure with purpose.  We offer a dynamic, hybrid-friendly culture that supports your well-being and empowers you to grow. Our Be Well programs are thoughtfully designed to support your financial, mental, physical, and social health—because we know that when you feel your best, you do your best.
From your very first day, you’ll dive into impactful work that powers the systems our customers rely on every day. You won’t just contribute—you’ll make a difference, tackling meaningful projects that sharpen your skills and fuel your growth.
We’re here to champion your journey. With powerful tools to chart your career path, personalized development goals aligned with your ambitions, and continuous feedback to keep you inspired and on track, you’ll have everything you need to thrive and evolve. You’ll develop in-demand skills to grow your career and achieve your ambitions with access to cutting-edge learning opportunities—from certifications with Microsoft, Google, and Amazon to coaching and hands-on experiences. And through it all, you’ll be part of a culture that values empathy, restless learning, and a devotion to shared success.
We want you to thrive here—and we’re committed to helping you do just that. Ready to make an impact? Join us and help shape what’s next.

Get Referred!

If you know someone that works at Kyndryl, when asked ‘How Did You Hear About Us’ during the application process, select ‘Employee Referral’ and enter your contact's Kyndryl email address.