{"schemaVersion":"jobsearcher.job.v1","id":"d147b2a6cbb6266f64a47a27","url":"https://jobsearcher.com/jobs/d147b2a6cbb6266f64a47a27","canonicalUrl":"https://jobsearcher.com/jobs/d147b2a6cbb6266f64a47a27","title":"Senior Backend Developer (Python / Node.js) (contract)","description":"DescriptionTitle: Senior Backend Developer (Python / Node.js)Location: Wisconsin, WIDuration: 12 monthsWork Engagement: W2Work Schedule: Hybrid 3 days in office/2 days remoteBenefits on offer for this contract position: Health Insurance, Life insurance, 401K and Voluntary BenefitsSummary:We are seeking a highly skilled Senior Backend Developer with strong expertise in Python and Node.js to design, develop, and optimize scalable, high-performance applications. This role will be responsible for building robust backend services, integrating third-party systems, and collaborating across engineering teams to deliver innovative software solutions. The ideal candidate has a passion for clean code, modern architecture, and mentoring fellow developers.Key Responsibilities:Design & Development: Architect, design, and develop scalable and efficient back-end solutions using Python and Node.js. System Integration: Integrate various APIs, databases, and third-party services into the existing system architecture. Code Quality: Write clean, maintainable, and well-documented code while following best practices in coding, testing, and deployment. Performance Optimization: Identify performance bottlenecks and optimize applications for maximum speed and scalability. Collaboration: Work closely with front-end developers, DevOps, and other stakeholders to ensure seamless integration and deployment of applications. Mentorship: Provide guidance, mentorship, and technical leadership to junior developers and team members. Problem Solving: Analyze complex problems and develop innovative solutions to address technical challenges. Continuous Improvement: Stay up-to-date with the latest trends and technologies in software development and suggest improvements to current processes and tools. Testing & Debugging: Develop and execute unit and integration tests to ensure the reliability and stability of the applications. Documentation: Maintain comprehensive documentation for the developed solutions, including design specifications, user guides, and technical manuals.Key Requirements: Applicants must be authorized to work for ANY employer in the U.S. This position is not eligible for visa sponsorship. Proficiency: 5+ years of professional experience in software development, with a focus on Python and Node.js. Language Expertise: 5+ years of strong proficiency in Python (Django, Flask) and Node.js, with a solid understanding of JavaScript/TypeScript. Back-End Expertise: Experience in building RESTful APIs, microservices, and server-side applications. Database Knowledge: Proficiency in working with relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Redis). Cloud Services: Experience with cloud platforms like AWS, Azure, or Google Cloud, and familiarity with DevOps practices. Version Control: Strong experience with Git and version control workflows. Agile Methodology: Experience working in Agile/Scrum development environments. Problem-Solving Skills: Excellent problem-solving skills and the ability to work independently and collaboratively in a fast-paced environment. Communication: Strong verbal and written communication skills, with the ability to effectively collaborate with technical and non-technical stakeholders.Preferred Qualifications: Front-End Knowledge: Basic understanding of front-end technologies such as React, Angular, or Vue.js. CI/CD Pipelines: Experience in setting up and managing CI/CD pipelines. Containerization: Familiarity with Docker and Kubernetes for containerization and orchestration. Testing Frameworks: Experience with testing frameworks such as Jest, Mocha, PyTest, or others.","company":"Wells Fargo","rawCompany":"wells fargo","city":"Oconto Falls","state":"WI","isRemote":false,"isActive":false,"createdAt":"2026-08-05T09:44:21.480Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Backend Developer (Python / Node.js) (contract)","description":"DescriptionTitle: Senior Backend Developer (Python / Node.js)Location: Wisconsin, WIDuration: 12 monthsWork Engagement: W2Work Schedule: Hybrid 3 days in office/2 days remoteBenefits on offer for this contract position: Health Insurance, Life insurance, 401K and Voluntary BenefitsSummary:We are seeking a highly skilled Senior Backend Developer with strong expertise in Python and Node.js to design, develop, and optimize scalable, high-performance applications. This role will be responsible for building robust backend services, integrating third-party systems, and collaborating across engineering teams to deliver innovative software solutions. The ideal candidate has a passion for clean code, modern architecture, and mentoring fellow developers.Key Responsibilities:Design & Development: Architect, design, and develop scalable and efficient back-end solutions using Python and Node.js. System Integration: Integrate various APIs, databases, and third-party services into the existing system architecture. Code Quality: Write clean, maintainable, and well-documented code while following best practices in coding, testing, and deployment. Performance Optimization: Identify performance bottlenecks and optimize applications for maximum speed and scalability. Collaboration: Work closely with front-end developers, DevOps, and other stakeholders to ensure seamless integration and deployment of applications. Mentorship: Provide guidance, mentorship, and technical leadership to junior developers and team members. Problem Solving: Analyze complex problems and develop innovative solutions to address technical challenges. Continuous Improvement: Stay up-to-date with the latest trends and technologies in software development and suggest improvements to current processes and tools. Testing & Debugging: Develop and execute unit and integration tests to ensure the reliability and stability of the applications. Documentation: Maintain comprehensive documentation for the developed solutions, including design specifications, user guides, and technical manuals.Key Requirements: Applicants must be authorized to work for ANY employer in the U.S. This position is not eligible for visa sponsorship. Proficiency: 5+ years of professional experience in software development, with a focus on Python and Node.js. Language Expertise: 5+ years of strong proficiency in Python (Django, Flask) and Node.js, with a solid understanding of JavaScript/TypeScript. Back-End Expertise: Experience in building RESTful APIs, microservices, and server-side applications. Database Knowledge: Proficiency in working with relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Redis). Cloud Services: Experience with cloud platforms like AWS, Azure, or Google Cloud, and familiarity with DevOps practices. Version Control: Strong experience with Git and version control workflows. Agile Methodology: Experience working in Agile/Scrum development environments. Problem-Solving Skills: Excellent problem-solving skills and the ability to work independently and collaboratively in a fast-paced environment. Communication: Strong verbal and written communication skills, with the ability to effectively collaborate with technical and non-technical stakeholders.Preferred Qualifications: Front-End Knowledge: Basic understanding of front-end technologies such as React, Angular, or Vue.js. CI/CD Pipelines: Experience in setting up and managing CI/CD pipelines. Containerization: Familiarity with Docker and Kubernetes for containerization and orchestration. Testing Frameworks: Experience with testing frameworks such as Jest, Mocha, PyTest, or others.","datePosted":"2026-08-05T09:44:21.480Z","dateModified":"2026-08-05T09:44:21.480Z","hiringOrganization":{"@type":"Organization","name":"Wells Fargo","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Oconto Falls","addressRegion":"WI","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"d147b2a6cbb6266f64a47a27"},"url":"https://jobsearcher.com/jobs/d147b2a6cbb6266f64a47a27"}}