Full Stack Engineer

🕒 September 24

🌐 United States, Canada – Remote

🇺🇸 United States – Remote 🇨🇦 Canada – Remote

🌵 Arizona, California, +13 more states – Remote

🌵 Arizona – Remote 🏄 California – Remote ⛰️ Colorado – Remote 🥔 Idaho – Remote 🌽 Illinois – Remote 🌪️ Kansas – Remote 🏖️ New Jersey – Remote 🗽 New York – Remote 🌲 Oregon – Remote 🦀 Maryland – Remote 🍂 Massachusetts – Remote 🔔 Pennsylvania – Remote ⚓ Rhode Island – Remote 🤠 Texas – Remote ☕ Washington – Remote

💵 $160k - $200k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

🧑‍💻 Full-stack Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 0%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Unit21

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2018

💳 Fintech

🔒 Cybersecurity

📋 Compliance

💰 $34M Series B on 2021-07

Fintech • Cybersecurity • Compliance

Unit21 is a customizable platform designed to transform fraud prevention and anti-money laundering (AML) operations. It enables organizations to run custom detection logic, automate investigations, and seamlessly manage regulatory compliance. With features like real-time payment fraud prevention, transaction monitoring, and automated case management, Unit21 provides comprehensive solutions that adapt to unique business needs, ensuring security and efficiency in the financial technology space.

📋 Description

• Design and build high-performance automation and AI systems with intuitive user interfaces, prioritizing scalability, reliability, and efficiency • Lead projects from start to completion • Collaborate with product and design to refine user experiences • Review pull requests, both internal and external to the team • Innovate creative solutions to difficult problems • Work with related data infrastructure technologies • Build new features to help customers detect ever-changing complex fraud schemes • Develop and deploy efficient and elegant code

🎯 Requirements

• BS, MS or Ph.D in Computer Science, Engineering, Mathematics, Statistics, Physics, or related field is required • 3+ years of experience in Python/Go/Rust • 3+ years of experience with React and Material UI • Experience in building and managing distributed systems • Experience with AWS and Terraform • Experience in developing and optimizing end-to-end APIs, data-flows, SQL queries and infrastructure for consumer or enterprise products • Advanced knowledge of software engineering principles including software design, source control management, build processes, automated deployments, code reviews, testing methods • Hustle, curiosity, humility • Experience managing large-scale critical production systems with minimum SLAs of 4 9's (bonus) • Experience with Databricks or Apache Spark (bonus) • Experience with building and deploying RAG pipelines (bonus) • Experience with securing MCP (bonus) • Must be located in one of the eligible states or Canada

🏖️ Benefits

• Competitive salary • Pre-IPO equity • 100% company-paid medical, dental, and vision insurance (employee) • Unlimited PTO and generous leave programs • 401(k) • Learning & development stipend • Home office setup support • Inclusive, high-ownership culture focused on impact, innovation, and growth