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Senior/Staff Full Stack Engineer

Workstream - Lehi, UT, United States - Hybrid - posted 2026-09-11

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Salary: USD 140,000 - 170,000 / annual

Workstream is a mission-driven Series B HR, payroll, and hiring platform built specifically for the hourly workforce. With 2.7 billion hourly workers making up 80% of the global workforce, Workstream addresses a historically underserved market. The company serves leading brands including Burger King, Carl's Jr./Hardee's, IHOP, KFC, and Culvers, and is backed by top-tier VCs including Founders Fund, BOND, and Coatue. The engineering team comprises talented engineers from UC Berkeley, Cornell, SJTU, Cambridge, NUS, and prior experience at Tencent, Alibaba, Amazon, and ByteDance. They focus on building cloud technology solutions that empower local businesses and serve the deskless workforce. In this role, you will work as a seasoned Senior Full Stack Engineer with a strong background in full-stack application development. You will collaborate closely with Product Managers, Engineering Managers, and peer engineers to deliver well-scoped product features. You'll communicate effectively with technical and non-technical stakeholders across Engineering, Product, GTM, and Customer Success teams. You advocate for and practice test-driven development (TDD) to ensure delivery of high-quality, reliable software. Your technical skills are complemented by strong English communication abilities, both verbal and written. This is a full-time, hybrid position requiring 1 to 2 days per week in-office to support close cross-functional collaboration. **Requirements:** - 3 to 7+ years of professional software engineering experience - Proficiency in one or more of: Ruby on Rails, Python, Java, PHP, or JavaScript, with experience developing full-stack, high-performance, and high-availability applications - Strong foundation in programming principles and design patterns - Experience building scalable systems and test-driven CI/CD with commitment to quality software development - Experience with SQL and NoSQL databases (PostgreSQL, MongoDB); comprehensive understanding of decision-making between SQL and NoSQL - Familiarity with cloud platforms such as AWS - Demonstrated experience designing distributed systems with a holistic perspective - Ability to keep up with latest technological trends and continuously improve productivity - Bilingual in English and Chinese preferred - Nice to have: Experience with NextJS or other front-end technologies

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