Senior .NET Tech Lead — Cloud-Native & AI-Driven Systems

ntrs; Chicago (IL); On-site; USD 137,000 - 234,000; Full time

Job summary

Northern Trust is seeking a Principal Software Engineer (.NET Technical Lead) in Chicago to drive design, architecture, and delivery of cloud-native, scalable financial applications. You will mentor teams, define technical standards, and collaborate with product, architecture, and security stakeholders to balance speed and reliability.

The role requires deep .NET, cloud, microservices, and AI-assisted development experience, strong leadership, and a track record delivering enterprise-grade

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related discipline.
• 10+ years of software engineering experience with enterprise-scale systems.
• 5+ years of experience in technical leadership, solution design, systems analysis, or project leadership roles.
• Strong expertise in: C#
• .NET Core / ASP.NET Core
• Entity Framework Core
• SQL Server
• REST APIs
• Microservices Architecture
• Experience with: Kafka or equivalent messaging platforms
• Docker and Kubernetes
• Azure and/or AWS
• Git, GitHub, Azure DevOps, Jenkins, or similar CI/CD tools
• Strong understanding of SDLC, design patterns, distributed systems, Agile, and DevOps practices.
• Hands-on with GitHub Copilot and AI-assisted tools to accelerate development

Responsibilities

• Provide technical leadership, mentorship, and guidance to engineering teams.
• Serve as the principal designer for major systems and applications, defining architectures and standards.
• Partner with stakeholders to translate requirements into scalable technical solutions.
• Design, develop, and support applications using C#, .NET Core/.NET, ASP.NET Core, EF Core, SQL Server, and modern APIs.
• Architect and implement microservices and event-driven solutions using Kafka.
• Design and deploy cloud-native solutions with Azure and/or AWS, Docker, and Kubernetes.
• Drive adoption of CI/CD, automated testing, DevOps, and secure software practices.
• Lead technical planning, solution design, and status reporting for strategic initiatives.
• Ensure compliance with enterprise standards, audit requirements, change controls, and data security.
• Collaborate with vendors and partners as needed.
• Evaluate new technologies and patterns to improve outcomes and efficiency.
• Champion AI-powered development tools to enhance productivity and code quality.

Skills

C#

NET Core/.NET

ASP.NET Core

Entity Framework Core

SQL Server

REST APIs

Microservices Architecture

Kafka

Docker

Kubernetes

Azure

AWS

Git

GitHub

CI/CD

DevOps

AI‑assisted tooling

GitHub Copilot

Education

Bachelor's degree in Computer Science, Engineering, or related discipline

Tools

Kafka

Docker

Kubernetes

Azure DevOps

Jenkins

GitHub

Terraform

Job description

Northern Trust is seeking a Principal Software Engineer (.NET Technical Lead) in Chicago to drive design, architecture, and delivery of cloud-native, scalable financial applications. You will mentor teams, define technical standards, and collaborate with product, architecture, and security stakeholders to balance speed and reliability.

The role requires deep .NET, cloud, microservices, and AI-assisted development experience, strong leadership, and a track record delivering enterprise-grade