Senior Software Engineer

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Work location open to South Dakota and Montana (Billings, Bozeman, Butte, Great Falls, Helena and Missoula) office locations Qualifications Include Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent practical experience) 10+ years of full-stack software development, with 4 years in a senior or lead engineer capacity preferred Expert proficiency in JavaScript/TypeScript front-end frameworks (React, Angular) and server-side platforms (.NET Core, Node.js) Deep experience with relational (SQL Server) and NoSQL (Cosmos DB, MongoDB) databases, and designing RESTful/GraphQL APIs Hands-on experience with containerization (Docker), orchestration (Kubernetes), and CI/CD tools (Azure DevOps, Jenkins, GitHub Actions) Proven track record of driving architecture improvements, enforcing governance, and mentoring cross-functional teams Strong communication skills, able to translate complex technical concepts for business stakeholders Get Into Energy - Energy Industry Fundamental 2.0 certification is a plus [getintoenergy.org](click here to certify at no cost) Duties Include Architect & Deliver: Lead end-to-end solution design---from requirements gathering and prototyping through Software design, data modeling, coding, testing, and automated deployments Technical Leadership & Governance: Establish and evolve coding standards, architectural patterns, and best practices. Drive continuous improvement in our CI/CD pipelines and development toolchain Mentorship & Collaboration: Guide and mentor junior and mid-level engineers on design patterns, code reviews, and troubleshooting. Partner closely with enterprise architects, system administrators, and business analysts to ensure cohesive, scalable solutions Modernization & Integration: Champion digital transformation initiatives---integrating new modules with legacy systems, adopting cloud-native services, and migrating toward microservices Performance & Reliability: Own application health monitoring, incident response, and performance tuning across front-end, back-end, and database layers. Proactively address technical debt Strategic Roadmapping: Translate strategic business goals into technical roadmaps, ensuring all solutions adhere to architecture governance, security standards, and regulatory requirements All NorthWestern Energy employees are required to adhere to company safety standards and the Code of Business Conduct & Ethics Ensure all actions are consistent with NorthWestern Energy's values, mission and strategic business objectives Full-time position. $110,000 to $125,000 per year, depending on experience. Benefits include: 401K with company match up to 4% and non-elective contribution up to 7%; healthcare and wellbeing programs, including dental and vision for you, your spouse and dependents; Health Savings Account (HSA); healthcare and dependent care flexible spending account (FSA); Employee Assistance Program (Offering up to six free counseling sessions, per person, per issue, per year for employees, spouses and dependents); Life Insurance (company pays basic employee policy; spouse, dependent insurance also available); tuition reimbursement; competitive pay (scheduled performance-based wage increases and annual incentive opportunities); paid company endorsed volunteer opportunities; paid training opportunities; paid time off starting on your first day, plus 11 paid holidays. Open through August 8, 2025. Apply online at: https://northwesternenergy.applicantpro.com/jobs/3811797 Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Utilities Referrals increase your chances of interviewing at NorthWestern Energy by 2x Get notified about new Senior Software Engineer jobs in Helena, MT. 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