Software Engineer III - Investment Operations Technology

Northwestern Mutual

Milwaukee, WI, United States · Hybridunknown$108,160–$162,240Posted Nov 2, 2026

About the role

This is a hybrid position at our downtown Milwaukee Corporate Office. Requires 3 days onsite (M, T, W).

About the Job

We are seeking a Software Engineer III to build, modernize, and support technology solutions for Investment Operations. The role works across applications, data, integrations, batch processing, and cloud platforms in partnership with business, product, architecture, and technology teams.

The ideal candidate is a hands-on engineer who solves complex problems, improves engineering practices, and delivers secure, reliable, and scalable solutions across modern and legacy platforms.

What You’ll Do

Software Development: Build and maintain reliable software and data solutions for Investment Operations.

Data Integration: Develop APIs, data pipelines, integrations, and batch processes across platforms.

Problem Solving: Diagnose technical and production issues, identify root causes, and implement sustainable fixes.

Architecture: Consider system-wide architecture and upstream and downstream dependencies in solution design.

Technical Collaboration: Contribute to design discussions and technical decisions with engineers and architects.

Continuous Improvement: Improve development, testing, deployment, and continuous integration practices.

CI/CD: Enhance automation that builds, tests, and deploys software safely and reliably.

Code Quality: Review code for quality, security, standards, and engineering best practices.

Production Support: Improve monitoring, resiliency, and stability for business-critical systems.

Mentorship: Guide junior engineers through reviews, knowledge sharing, and technical support.

What You’ll Bring to the Role

Education: Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience.

Experience: 2-4 years of experience with modern software engineering tools, languages, and practices.

Technical Skills: Intermediate proficiency with one or more modern programming languages or platforms such as Java, JavaScript/.NET, or Python. Strong working knowledge of SQL, relational databases, APIs, system integrations, and/or data-processing technologies. Experience with source control, CI/CD, automated testing, code reviews, and modern deployment practices. Strong understanding of software engineering principles, application design, coding standards, testing, and engineering best practices.

Data & Integration: Experience with SQL, relational databases, APIs, integrations, or batch processing.

Engineering Practices: Experience with source control, CI/CD, automated testing, code reviews, and deployments.

Problem-Solving: Strong analytical skills and an evolving ability to solve complex technical issues.

Communication: Ability to communicate clearly with technical and business partners.

Collaboration: Ability to work effectively across Engineering, Product, Architecture, and Investment Operations.

Technical Leadership: Ability to contribute to solution design and support junior engineers.

Additional Qualifications We’d Love

AWS and cloud-based application or data solutions.

Snowflake, dbt, Python, or modern data engineering technologies.

REST APIs, data pipelines, enterprise integrations, or batch processing.

Kubernetes, Infrastructure as Code, observability, or DevOps practices.

Unix/Linux, shell scripting, Windows scripting, or enterprise scheduling tools.

Legacy application modernization or cloud migration experience.

Financial services, investment management, Investment Operations, or Investment Accounting experience.

Knowledge of transactions, holdings, reference data, cash, valuations, reconciliations, or ABOR.

Skills You Have

Application & Data Engineering: Builds and supports applications, APIs, integrations, and data-processing solutions.

Application Security: Applies security standards throughout design, development, and production support.

Cross-Functional Partnership: Coordinates requirements and dependencies across business and technology teams.

Root Cause Analysis: Uses structured analysis to identify issues and implement lasting solutions.

Software Development: Designs, develops, tests, deploys, and supports quality software.

Software Problem Solving: Uses debugging, monitoring, and engineering practices to resolve technical issues.

Continuous Improvement: Improves engineering efficiency, quality, reliability, and automation.

Strategic Thinking: Aligns technical decisions with business priorities, architecture, risk, and maintainability.

Technical Growth & Mentorship: Expands technical expertise while supporting the growth of junior engineers.

#LI-Hybrid

Compensation Range:

Pay Range - Start:

$108,160.00

Pay Range - End:

$162,240.00

Geographic Specific Pay Structure:

Structure 110:

$118,960.00 USD - $178,440.00 USD

Structure 115:

$124,400.00 USD - $186,600.00 USD

We believe in fairness and transparency. It’s why we share the salary range for most of our roles. However, final salaries are based on a number of factors, including the skills and experience of the candidate; the current market; location of the candidate; and other factors uncovered in the hiring process. The standard pay structure is listed but if you’re living in California, New York City or other eligible location, geographic specific pay structures, compensation and benefits could be applicable, click here to learn more.

Grow your career with a best-in-class company that puts our clients' interests at the center of all we do. Get started now!

Northwestern Mutual is an equal opportunity employer that welcomes talented individuals of all backgrounds. We are committed to creating and maintaining an environment in which each employee can contribute creative ideas, seek challenges, assume leadership and continue to focus on meeting and exceeding business and personal objectives.

Responsibilities

  • Build, modernize, and support software and data solutions for Investment Operations.
  • Develop APIs, data pipelines, integrations, and batch processes.
  • Diagnose production issues and implement lasting fixes.
  • Contribute to architecture and technical design decisions.
  • Improve CI/CD, testing, deployment, monitoring, and system reliability.
  • Review code and mentor junior engineers.

Qualifications

  • Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience.
  • 2–4 years of experience with modern software engineering tools, languages, and practices.
  • Proficiency in a modern programming language such as Java, JavaScript/.NET, or Python.
  • Working knowledge of SQL, relational databases, APIs, integrations, or data processing.
  • Experience with source control, CI/CD, automated testing, code reviews, and deployments.
  • Strong problem-solving, communication, and cross-functional collaboration skills.

Skills mentioned

JavaPythonSQLREST APIsAPI IntegrationGitCI/CDSoftware TestingAWSData Pipelines

About Northwestern Mutual

At Northwestern Mutual, our financial advisors are ready to meet you where you are and stay with you long-term. Get financial clarity with a people-first plan designed to uncover new opportunities and potential blind spots. The right time to plan is right now. With $265.0 billion in assets under management, $28.1 billion in revenues, and over $1.8 trillion in life insurance protection in force, we've served more than 4.5 million people through our life, disability income, and long-term care insurance, annuities, brokerage, advisory services, trust services, and discretionary portfolio management solutions. Our wealth management company and investment services manage over $125 billion in client assets. We're proud to support our growing field force of financial advisors across the country, as well as our corporate office employees in Milwaukee and New York. As we continue to grow, we believe diversity makes us stronger in shaping the future of financial security. Explore career opportunities with us: https://jobs.northwesternmutual.com/. Financial representatives and interns are independent contractors, not Northwestern Mutual employees. https://www.northwesternmutual.com/social-media-guidelines

Financial Services5,001-10,000 employeesMilwaukee, WI

H-1B sponsorship history

Historical employer filing data was found for Northwestern Mutual. The employer record includes 951 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.