Freelance Geospatial Data Engineer Jobs in Milwaukee, WI

Do you thrive on solving complex problems for local communities through a mix of software development, GIS, engineering, and technology? Are you a developer who understands geospatial systems and wants meaningful ownership over the products you build?

Ruekert & Mielke, Inc. (R/M) is seeking a GIS Software Developer to help build, improve, and support AssetAlly®, our GIS-driven asset management platform used by municipal clients to manage infrastructure data, field workflows, work orders, dashboards, and long-term planning. If you are technically strong, curious, and self-directed, this role will allow you to work at the intersection of GIS and software development while collaborating with GIS specialists, engineers, and project managers to deliver real solutions for municipal infrastructure challenges.

As a 100% employee-owned firm, your success is our success. We offer professional development, long-term growth opportunities, and the ability to make a visible impact in the communities we serve.

What You’ll Gain:

• A meaningful role building software used by municipalities to manage critical infrastructure
• Opportunities at the intersection of GIS, asset management, civil engineering, and modern software development
• A high-ownership environment where you can shape product direction, improve architecture, and deliver client-focused solutions

Goals & Responsibilities

This position includes, but is not limited to, the following duties and responsibilities:

• Develop, enhance, and maintain GIS-driven web applications and workflows for AssetAlly
• Build reliable, maintainable software supporting municipal asset management, field data collection, and reporting
• Work extensively with Esri software (ArcGIS Pro, Online, Enterprise, Dashboards, Field Maps, Survey123)
• Configure and integrate VertiGIS Studio tools (Web, Reporting, Go)
• Translate client needs into practical technical solutions and troubleshoot complex application issues
• Maintain and validate GIS datasets, improve workflows, and automate processes
• Design and implement ArcGIS geoprocessing tools for analysts
• Collaborate across teams for product improvement and client success
• Participate in technical planning, testing, release coordination, and support
• Stay current with GIS, cloud, and web development best practices

Qualifications & Skills

The ideal candidate for this position will possess the following education, experience, and abilities:

• Bachelor’s degree in Computer Science, GIS, Engineering, Information Systems, or related field (or equivalent experience)
• 3+ years of software development or GIS application experience
• Proficiency with modern JavaScript/TypeScript frameworks and APIs
• Experience with Esri technologies (ArcGIS Pro, Online, Enterprise, Field Maps, Survey123)
• Familiarity with VertiGIS Studio, AWS, SQL/NoSQL databases, REST APIs, and Python scripting preferred
• understanding of GIS data structures, spatial analysis, and municipal infrastructure workflows preferred
• Ability to write clean, maintainable, testable code and troubleshoot full-stack issues
• Self-directed, organized, and effective communicator capable of working across technical and non-technical teams

Benefits

Ruekert & Mielke, Inc. is proud to be 100% employee owned. Our flexible working environment, engaged culture, and in‐depth training and mentoring program are just a few of the reasons why we are consistently named a “Top Workplace” by the Journal Sentinel.

We offer a highly competitive compensation program and unique benefits, including:

• Employee stock ownership plan
• Performance bonuses
• Generous personal time off and holiday programs
• Health, dental, vision, life, dependent life, and disability insurance
• Parental leave
• 401(k) and Roth 401(k) with employer match
• Flexible spending accounts
• Prepaid legal services
• Employee Assistance Program
• Tuition reimbursement

About Us 

Ruekert & Mielke, Inc. is a 100% employee-owned civil engineering firm dedicated to helping local communities thrive. We provide innovative solutions in municipal infrastructure, water resources, GIS, and more, partnering with clients to deliver sustainable, cost-effective projects. Our employee ownership culture fosters collaboration, accountability, and professional growth, making R/M a great place to build your career.

About AssetAlly

AssetAlly is R/M’s GIS-driven asset management platform built from decades of municipal client feedback, leveraging Esri and VertiGIS technology to help communities manage infrastructure data, support workflows, and make better planning decisions.

Visit www.ruekertmielke.com to learn more. 

Learn how you can “make community possible” as an employee owner at R/M! Watch Video