Senior Full-stack Engineer at Sift

About the team: You will be joining Gravity - our Core Platform team - the foundation that powers Sift's Digital Trust & Safety platform. We build the shared components, abstractions, and infrastructure that other engineering teams rely on to ship faster and smarter. Our customers are internal: we measure success by how much easier we make everyone else's job, and by keeping the platform maintainable, cost-effective, and built to last. This role is intentionally full-stack. We need someone who can follow a problem wherever it lives - whether that's deep in backend logic or in a frontend component BE Technical stack: Java, Dropwizard, GCP, Kubernetes, Kafka, BigTable, Spanner Graph DB, Postgres, Redis, gRPC, Python, Apache Airflow, Snowflake, BigQuery FE Technical stack: ReactJS What you’ll do: - Design and evolve highly scalable, distributed platform components that can reliably serve as shared building blocks across Sift’s ecosystem, even under heavy load - Deliver engineering solutions that address complex, cross-cutting customer and platform needs at scale, reducing the effort required for product teams to ship features - Collaborate closely with engineers within Gravity and partner teams to introduce and maintain shared services, data models, and libraries that multiple teams depend on - Continuously improve our platform engineering practices, tooling, and guardrails to simplify secure, compliant, and cost-effective operation of core systems Opportunities for you: - Experience: Participate in highload platform and technical challenges to improve our core platform components, as well as building new capabilities - Professional growth: tri-annual Growth Cycles instead of performance review; - Knowledge Sharing: we have Tech Talks sessions. You will learn how to build components that handle petabytes of data and high fault tolerance - Culture for innovations: you can try your ideas on our bi-annual Hackathon What would make you a strong fit: - 5+ years of experience building distributed backend systems using Java; - 3+ years experience designing/delivering highly-available services; - 2+ years of experience building React-based FE applications, preferable platform areas - Experience with data pipelines - Degree in Computer Science or equivalent experience - Strong communication & collaboration skills - a team-first, product-first mindset Benefits and perks: - Competitive total compensation package - 401k plan - Medical, dental, and vision coverage - Flexible lifestyle wallet - Learning & development wallet - Flexible time off Our interview process: - Introduction interview with the recruiter (45 minutes) - Hiring Manager interview (45 minutes) - Virtual onsite loop with the team (4 hours) Let’s build it together: At Sift, we are intentionally building a diverse, equitable, and inclusive workplace. We believe that diversity drives innovation, equity is a fundamental right, and inclusion is a basic human need. We envision a place where all Sifties feel secure sharing their authentic selves and diverse experiences with their teams, their customers, and their community – ultimately using this empowerment and authenticity to build trust and create a safer Internet. This document provides transparency around how Sift handles the personal data of job applicants: [Upgrade to PRO to see link]