Senior Software Engineer — .NET & React

About Northern Trust Northern Trust Asset Management is a global investment manager that helps investors navigate changing market environments in efforts to realize their long-term objectives. Entrusted with US$1.4 trillion in assets under management as of March 31, 2026 we understand that investing ultimately serves a greater purpose and believe investors should be compensated for the risks they take — in all market environments and any investment strategy. That’s why we combine robust capital markets research, expert portfolio construction and comprehensive risk management to craft innovative and efficient solutions that seek to deliver targeted investment outcomes. As engaged contributors to our communities, we consider it a great privilege to serve our investors and our communities with integrity, respect and transparency. Northern Trust Asset Management is composed of Northern Trust Investments, Inc., Northern Trust Global Investments Limited, Northern Trust Fund Managers (Ireland) Limited, Northern Trust Global Investments Japan, K.K., NT Global Advisors, Inc., 50 South Capital Advisors, LLC, Northern Trust Asset Management Australia Pty Ltd, and investment personnel of The Northern Trust Company of Hong Kong Limited and The Northern Trust Company. © 2025 Northern Trust Corporation. Head Office: 50 South La Salle Street, Chicago, Illinois 60603 U.S.A.

Northern Trust

Helping investors navigate changing market environments.

EquityFixed IncomeAlternativesAsset AllocationESGand Investment Management

N

northerntrust.com/global

501-1,000 employees

Investment Management

Chicago, Illinois

Public Company

99k LinkedIn followers

• We are looking for an accomplished Senior Software Engineer to design, develop, and modernize scalable enterprise applications. The role centers on API-first, cloud-native solutions built with .NET (C#) for backend services and React for frontend experiences, with a strong focus on security, performance, maintainability, and sound engineering practices.
• You will partner with architects, product owners, and cross-functional teams to deliver reliable software that meets enterprise standards and regulatory obligations.
• Design, build, and support RESTful APIs and backend services with .NET / ASP.NET Core (C#)
• Use clean architecture practices, including SOLID, DDD, and CQRS where they add value
• Implement effective data access with Entity Framework Core or comparable tools, minimizing unnecessary reliance on stored procedures
• Build systems that are secure, resilient, auditable, and observable
• Help shape architecture decisions and produce clear technical design documentation
• Develop modern, responsive interfaces with React and TypeScript
• Create reusable component libraries that follow UI/UX and accessibility standards
• Integrate APIs securely and efficiently, including authentication, authorization, and error handling
• Improve frontend performance and the overall user experience
• Develop unit and integration tests for frontend components
• Apply CI/CD best practices with tools such as GitHub Actions / Azure DevOps
• Champion test-driven development and automated testing
• Contribute to code reviews, mentoring, and knowledge sharing
• Work with DevOps, QA, and platform teams to enable reliable deployments
• Support production systems and assist with incident resolution when required

Required

• At least 4 years of professional software engineering experience
• Strong proficiency in C# and .NET / ASP.NET Core
• Proven experience building micro-frontends (MFEs) with React and TypeScript
• Strong knowledge of REST APIs, HTTP fundamentals, and API security
• Experience with relational databases such as SQL Server
• Experience with cloud platforms, preferably Azure, and containerization with Docker preferred.
• Hands on experience with Agentic AI SDLC with spec-driven development a plus
• Strong command of object-oriented design, clean code, and refactoring
• Hands-on experience with unit testing, integration testing, and mocking frameworks
• Familiarity with event-driven and microservices architectures; Kafka or other messaging technologies are a plus
• Experience working in agile delivery environments such as Scrum or Kanban
• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience

Preferred

• Experience in financial services or another highly regulated industry
• Knowledge of performance tuning, high-volume transaction processing, and distributed systems
• Strong analytical and problem-solving abilities
• Clear, structured communication
• Ability to collaborate effectively with senior stakeholders and cross-functional teams
• A proactive approach with strong ownership and accountability
• The successful candidate will demonstrate strong technology leadership, shaping solution design and improving engineering practices across teams
• Advance modern engineering practices, including API-first design, cloud-native patterns, automation, and technical debt reduction
• Guide and mentor engineers to strengthen capabilities and promote consistent practices across teams
• Identify technology risks, scalability issues, and non-functional gaps early, then drive practical solutions
• Balance immediate delivery needs with long-term platform health, maintainability, and operational resilience
• Successful candidates are expected to reflect Northern Trust’s core principles and values in everyday engineering decisions and practices
• Service & Integrity First – Develop software responsibly, with security, accountability, client trust, and data protection at the forefront.
• Strength in Collaboration – Partner across engineering, architecture, product, operations, and risk to deliver sustainable, well-designed solutions.
• Expertise & Continuous Improvement – Apply deep technical expertise while continually improving systems through modernization, automation, and proven engineering practices.
• Ownership & Accountability – Own solutions end to end, from design through production support, with consistent attention to reliability and quality.
• Risk & Controls Mindset – Build solutions that satisfy regulatory, compliance, and audit requirements through appropriate controls, logging, and documentation.
• Client-Focused Engineering – Make technology choices that support scalability, resilience, and lasting client outcomes rather than only short-term delivery.

• Salary range is a good faith estimate of base pay. Northern Trust provides a comprehensive benefits package including retirement benefits (401k and pension), health and welfare benefits (medical, dental, vision, spending accounts and disability), paid time off, parental and caregiver leave, life & accident insurance, and other voluntary and well-being benefits. Northern Trust also provides a discretionary bonus program that may include an equity component.
• As a Northern Trust partner, you will be part of a flexible and collaborative work culture, which has a strong history of financial strength and stability. Movement within the organization is encouraged, senior leaders are accessible, and you can take pride in working for a company committed to an inclusive workplace and assisting the communities we serve.
• Philanthropy is deeply rooted in Northern Trust’s history and is an essential element of our culture. Employees around the world give their time and talent to work for the greater good of their communities.