Senior Full Stack Engineer, Platform

Alloy helps solve the identity risk problem for companies that offer financial products by enabling them to outpace fraud and confidently serve more people around the world. Over 600 of the world’s largest financial institutions and fintechs turn to Alloy to take control of fraud, credit, and compliance risk, and grow with the clearest picture of their customers.

Through our values: Be Bold, Get Scrappy, Collaborate, and Celebrate Our Differences, we are creating a workplace where you can grow, thrive, and belong. See how we’ve been continuously recognized and named one of Inc. Magazine’s Best Workplaces, Forbes America’s Best Startup Employers, Best Fintech to Work for by American Banker, year after year.

Check out our investors and read more about us here.

We are looking for a curious and experienced Fullstack Engineer to join our Platform team within the Scale vertical.
The Platform team is the backbone of our organization, driving the expansion and optimization of our platform to accommodate our growing user base. In the Platform function, your role will support and expand on Enterprise foundations such as authentication, SSO/SAML, and access management, and bolster our platform reliability, performance and security practices. Your frontend expertise in this role will complement the team and ensure seamless integration of these new features, enhancing the overall user experience & stability of the platform. You will have the opportunity to own and contribute to critical platform initiatives that will be instrumental in driving meaningful impact and adoption of our product in the market.

• Building and maintaining core platform services and internal tools that enable Alloy engineers to move faster and more securely
• Leading development on frontend foundations for capabilities like SSO/SAML provisioning, audit log and access management (roles and permissions), and developer-facing tooling & management (observablity, real user monitoring, reporting etc)
• Contributing to platform APIs, reliability, and cross-cutting features like access control, observability, and CI/CD
• Collaborating with design, product and platform engineers to develop systems that scale across the engineering org
• Actively participating in frontend, testing and design system guilds to collaborate and improve frontend reliability and performance of our platform

• 5+ years experience as a full-stack engineer with meaningful contributions to platform initiatives
• Strong frontend experience with modern frameworks (e.g., React) and building reliable, intuitive internal tools
• Deep understanding of custom domain experiences, authentication, access control, observability, and CI/CD tooling
• Proficiency in Node.js, Typescript, Docker, and cloud infrastructure (AWS or equivalent)
• Prior experience in platform engineering, internal tooling, or developer experience teams highly preferred
• Experience with SSO/SAML/SCIM or other provisioning/auth patterns, and familiarity with building tools for secure PII handling, test data, or permissions systems preferred

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 $161,000 to $189,000. 

• Unlimited PTO and flexible work policy
• Employee stock options
• Medical, dental, vision plans with HSA (monthly employer contribution) and FSA options
• 401k 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 annual stipend
• Well-being benefits include access to ClassPass, OneMedical, and Spring Health 
• Hybrid work environment: employees are expected to work Tuesdays and 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/Wednesday/Friday most employees Zoom into work from home while some take advantage of the quieter office.

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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.

All Alloy jobs are listed on our careers page. Any communication during the recruitment process, including interview requests or job offers, will come directly from a recruiting team member with an alloy.com email address. We do not use outside applications or automated text messaging in our recruiting process. We will not ask for any sensitive financial or identification information during the recruiting process. If you’re ever unsure, please contact us directly via our website before sharing personal information.