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Senior Software Engineer - Python (FastAPI | Azure | Data Platforms)
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Kyndryl
Romeoville, IL (In Person)
Full-Time
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Job Description
Who We AreAt 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 RoleWe 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 ResponsibilitiesDesign and develop high-performance backend services using FastAPI, Pydantic, and SQLAlchemyBuild and maintain API-driven data processing and orchestration frameworks within DIALImplement asynchronous and concurrent processing using Python (asyncio) for scalable workloadsIntegrate with Azure services such as ADLS, ADF, Databricks, and related data platformsDevelop robust data models, validation layers, and persistence mechanismsEnsure observability, logging, and monitoring for enterprise-grade applicationsWrite unit and integration tests using Pytest to ensure code quality and reliabilityCollaborate with data engineers, architects, and product owners to deliver end-to-end solutionsParticipate in code reviews, design discussions, and performance optimization initiativesContribute to CI/CD pipelines and containerized deploymentsYour Future at KyndrylThe 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 AreYou'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 ExperienceCore Engineering
The RoleWe 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 ResponsibilitiesDesign and develop high-performance backend services using FastAPI, Pydantic, and SQLAlchemyBuild and maintain API-driven data processing and orchestration frameworks within DIALImplement asynchronous and concurrent processing using Python (asyncio) for scalable workloadsIntegrate with Azure services such as ADLS, ADF, Databricks, and related data platformsDevelop robust data models, validation layers, and persistence mechanismsEnsure observability, logging, and monitoring for enterprise-grade applicationsWrite unit and integration tests using Pytest to ensure code quality and reliabilityCollaborate with data engineers, architects, and product owners to deliver end-to-end solutionsParticipate in code reviews, design discussions, and performance optimization initiativesContribute to CI/CD pipelines and containerized deploymentsYour Future at KyndrylThe 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 AreYou'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 ExperienceCore Engineering
- Strong experience in Python backend development
- Hands-on experience with: FastAPI, Pydantic, SQLAlchemy
- Good understanding of
REST API
design and microservices architectureCloud & 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 designTesting
- Practical experience with Pytest
- Experience in unit, integration, and API testingDevOps & Deployment
- Experience with containerization (Docker / Kubernetes)
- Familiarity with CI/CD practicesPreferred 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 ecosystemsSoft 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 reliabilityWhy 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 systemsBeing YouThe \