Jobs and Careers
UN

Sr. Full Stack Engineer - Real Time Rules

Unit21
UKRemotefull_timeVerifiedPosted 26 Aug 2025
💰 $210,000/yr($180,000/yr$210,000/yr)

About the role

This is a remote position.

Job Description

About the role:

We are looking for a full stack engineer who is passionate about catching fraud. We build products that help our customers catch fraud and keep their customers money safe. This requires careful thought, high creativity, and a deep understanding of complex systems that monitors every single transaction efficiently without interruptions.

What you will be doing:

  • Design and build high-performance monitoring 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

  • Reviewing pull requests, internal and external to team

  • Innovating on creative solutions to difficult problems

  • Work with related data infrastructure technologies

  • Building new features to help our customer catch complex every changing fraud schemes in real time

  • Developing and deploying efficient and elegant code

What we're looking for:

  • BS, MS or Ph.D in Computer Science, Engineering, Mathematics, Statistics, Physics, or related field is required.

  • 5+ years of experience in Python/Go/Rust.

  • 5+ 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

Bonus Points!

  • Experience managing large-scale critical production systems with minimum SLAs of 4 9's

  • Experience with Single Store or other similar technologies

  • Experience with Apache Spark

Compensation:

The standard base pay range for this role is $180,000 - $210,000 Annually. This base pay range does not include variable compensation including potential commissions, bonuses or other financial or equity incentives.

Unit21 is an equal opportunity employer, we encourage all to apply, even if you do not meet each requirement above. We are building a diverse, inclusive workforce and hope you will join us!

What we can offer you:

  • Competitive salary and pre-IPO stock options

  • 100% company-paid medical, dental and vision insurance (for employee)

  • Optional HSA and FSA medical reimbursement accounts

  • Unlimited paid time off

  • Generous leave programs for life events

  • 401(k)

  • Charity matching

  • Annual Learning & Development stipend

  • One-time Home office set-up stipend

  • Commuter benefits

  • Happy hours and team-building events

  • Great office space in the San Francisco Financial District

  • Fully stocked kitchen

  • Lunch provided in SF office multiple times a week

  • Apply for this role

    Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

    Apply Now →Generate Application Kit

    Free account required — sign up in 30s

    Company

    Unit21

    View company profile →