Sr. Software Engineer

Robert Half • Mayville, WI • 18h ago

Description

We are looking for a Sr. Software Engineer to join our team in Wisconsin in a contract-to-permanent capacity. This role is ideal for a developer who enjoys building modern web solutions while also strengthening and extending established business-critical applications. You will contribute to both new development efforts and long-term platform improvements, partnering with technical teams and business stakeholders to deliver reliable, scalable software.

We will not review c2c candidates and cannot offer sponsorship. Please do not apply as you will not be considered.

This role does require onsite capability. We will not consider fully remote candidates at the client's request- Please do not apply.

Responsibilities:

Create, enhance, and support web-based and enterprise-level applications that enable day-to-day business operations.

Partner with architecture and development teams to deliver software solutions designed for scalability, maintainability, and long-term value.

Produce organized, efficient, and well-documented code that aligns with development standards and quality expectations.

Improve and sustain existing JavaScript applications while contributing to broader modernization efforts across legacy platforms.

Build and connect RESTful services and backend integrations to support application functionality and data exchange.

Participate in peer reviews, defect resolution, and technical troubleshooting to maintain a high standard of software delivery.

Use version control and work tracking tools to coordinate development activity, manage code changes, and support team collaboration.

Assist with deployments, validation, and release activities across development, staging, and production environments.

Work closely with business partners and IT colleagues to gather needs, define technical approaches, and translate requirements into practical solutions.

Contribute within Agile, Scrum, or Waterfall project structures and provide occasional support for application issues or updates across multiple locations.

Requirements - Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related discipline, or equivalent hands-on experience.

At least 3 years of experience in software engineering or application development.

Practical experience with modern JavaScript technologies such as React, Next.js, or Angular.

Background in developing or integrating APIs, including REST-based services for enterprise applications.

Familiarity with cloud platforms, with preference for Microsoft Azure; exposure to AWS is also valuable.

Experience working with SQL and relational database environments.

Solid understanding of debugging practices, source control, and general software development standards.

Strong analytical thinking, collaborative communication skills, and the ability to work effectively within cross-functional teams. Technology Doesn't Change the World, People Do.®

Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.

All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) .

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