[Job Radar](https://jobradar.live/) / [Jobs](https://jobradar.live/ilanlar) / Backend Software Engineer II Active On-site Appleton, WI Posted · 01.10.2026 LinkedIn Jobs US # Backend Software Engineer II U.S. Venture, Inc. Position Summary The Backend Software Engineer II plays a vital role as an independent contributor, focusing on the development of moderately complex backend features and services. This position involves taking ownership of small modules, engaging in design discussions, and providing mentorship to junior engineers. Furthermore, collaboration with various teams is essential to ensure the delivery of high-quality, production-ready software. Job Responsibilities Essential Job Responsibilities: Collaborate with product managers, QA, and other stakeholders to deliver quality backend solutions. Design and implement moderately complex backend features, APIs, and services utilizing .NET Core. Assume responsibility for small modules or components, with a focus on ensuring they are maintainable, reliable, and easily testable. Engage in technical design discussions, providing valuable input and suggesting alternative solutions for consideration. Offer mentorship to junior engineers and interns through constructive guidance and thoughtful reviews. Conduct code reviews for less experienced engineers to help maintain high standards and promote overall quality. Additional Job Responsibilities: Live our values of High Performance, Caring Relationships, Strategic Foresight, and Entrepreneurial Spirit Find A Better Way by championing continuous improvement and quality control efforts to identify opportunities to innovate and improve efficiency, accuracy, and standardization Continuously learn and develop self professionally Support corporate efforts for safety, government compliance, and all other company policies & procedures Perform other related duties as required and assigned Qualifications Required: Bachelor’s Degree in Computer Science, Information Systems, or related field. 2–4 years of backend software engineering experience. Proficiency with .NET Core, C#, REST APIs, and relational databases. Ability to design, code, test, and debug independently. Preferred: Familiarity with microservices architecture. Knowledge of containerization (Docker, Kubernetes). Experience with cloud services (Azure, AWS, or GCP). DIVISION : Corporate U.S. Venture will not offer sponsorship for employment status (including, but not limited to, H-1B, TN, E-3, F1, CPT, OPT, STEM OPT, visa status and other employment‑based nonimmigrant visas) for this position. Accordingly, all applicants must be currently authorized to work in the United States on a full‑time basis and must not require U.S. Venture’s sponsorship to continue to work legally in the United States. In general, U.S. Venture does not sponsor candidates for nonimmigrant visas or permanent residency except when there is a specific business need. U.S. Venture will not accept unsolicited resumes from recruiters or employment agencies. In the absence of an executed recruitment Master Service Agreement, there will be no obligation to any referral compensation or recruiter fee. In the event a recruiter or agency submits a resume or candidate without an agreement, U.S. Venture shall reserve the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency. Any unsolicited resumes, including those submitted to hiring managers, shall be deemed the property of U.S. Venture. U.S. Venture, Inc. is an equal opportunity employer that is committed to inclusion and diversity. We ensure equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender, gender identity or expression, marital status, age, national origin, disability, veteran status, genetic information, or other protected characteristic. If you need assistance or an accommodation due to a disability, you may call Human Resources at (920) 739-6101. 99-00-821-0000 This job was verified from LinkedIn Jobs US. Applications are completed on the original source. 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