Senior Software Engineer, Frontend Platform

What you’ll be doing Build and improve the shared frontend foundations that other engineers rely on, including reusable components, patterns, tooling, and platform capabilities Help define the architecture, standards, and best practices that make our frontend systems more scalable, maintainable, and consistent Build and improve customer-facing product surfaces across the Alloy platform, helping shape frontend systems and experiences that are not only scalable for engineers, but genuinely useful and intuitive for the people using them Partner closely with engineers, designers, and product counterparts to turn broad needs into simple, durable solutions with company-wide impact Raise the quality bar for frontend engineering through thoughtful design, strong implementation, clear documentation, and pragmatic technical leadership Improve the developer experience by reducing friction in local development, testing, release workflows, observability, and day-to-day engineering workflows Identify opportunities to modernize how we build, ship, and maintain frontend software, including responsible use of AI and agentic engineering tools where they increase quality and leverage Contribute as a senior engineer on a growing team: driving technical decisions, mentoring others, and helping shape the team’s direction as its charter expands Who we’re looking for You’re a senior frontend engineer with 5+ years of experience, deep fundamentals in JavaScript or TypeScript, modern HTML and CSS, and experience building complex web applications with a modern framework such as React You have strong engineering judgment and know how to balance product needs, user experience, long-term maintainability, and delivery speed You’ve worked on shared systems before, whether that means design systems, frontend architecture, internal platforms, developer tooling, or other cross-cutting investments You care about quality in the broad sense: clean abstractions, accessibility, performance, testing, reliability, and thoughtful user experience You’re comfortable operating in ambiguity and can help shape a problem space that is still evolving rather than waiting for every requirement to be fully defined You collaborate well across disciplines and communicate clearly with engineers, designers, and stakeholders with different perspectives You use new tools thoughtfully. You’re curious about AI-enabled ways of working and can incorporate them into your workflow without outsourcing core engineering thinking You’re motivated by leverage and craft: you want to build the systems that help an entire engineering organization do better work We’re a lean team, so your impact will be felt immediately, and opportunities will grow as the company scales up. If this all sounds like a good fit for you, why not join us? Alloy is committed to fair and equitable compensation practices. Below is the anticipated starting base compensation range for this role; however, pay may vary depending on job-related knowledge, in‑demand skills, relevant experience, and/or geography. In addition to a competitive base salary, this position is also eligible for equity awards in the form of stock options (ISOs) as well as a competitive total benefits package. Your recruiter will be happy to walk you through the details and what compensation could look like for you specifically! This position has a salary range of $166,000 to $209,000. Benefits and Perks Unlimited PTO and flexible work policy Employee stock options Medical, dental, vision plans with HSA (monthly employer contribution) and FSA options 401(k) with 100% match up to 4% of annual employee compensation Eligible new parents receive 16 weeks of paid parental leave Home office stipend for new employees Annual Learning & Development stipend Well‑being benefits include access to ClassPass, OneMedical, UrbanSitter, and Spring Health Hybrid work environment: employees are expected to work Tuesdays through Thursdays from our HQ in Union Square, Manhattan. Tasty lunches catered from a variety of local restaurants and frequent employee‑organized cultural events contribute to our positive office energy. On Monday/Friday most employees Zoom into work from home while some take advantage of the quieter office. Alloy is proud to be an equal‑opportunity workplace and employer. We’re committed to equal opportunity regardless of race, color, ancestry, religion, gender, gender identity, parental or pregnancy status, national origin, sexual orientation, age, citizenship, marital status, disability, or veteran status. We are committed to an inclusive interview experience and provide reasonable accommodations to applicants with visible and invisible disabilities. We encourage applicants to share needed accommodations with their recruiter. #J-18808-Ljbffr Dormont Manufacturing Co