Full-Time

Senior Software Engineer II

Updated on 9/3/2026

Signifyd

Signifyd

201-500 employees

Fraud protection platform for online retailers

Compensation Overview

$170k - $220k/yr

Remote in USA

Remote

Remote within the United States.

Bachelor's

Category
Software Engineering (1)
Required Skills
AWS
Observability
REST APIs
Google Cloud Platform

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Requirements
  • Bachelor's degree or equivalent practical experience.
  • Significant experience in software development with modern programming languages, experience programming in a functional style.
  • Track record of leading the design and delivery of large, ambiguous projects end to end, and influencing technical direction beyond your own team.
  • Strong software design and architecture skills, including designing for scalability, performance, and reliability of high-traffic systems.
  • Experience building distributed systems or public-facing/platform APIs.
  • Experience with cloud platforms such as AWS or GCP.
  • Ability to effectively communicate with engineers and non-engineers alike.
  • You use modern AI development tools fluently to ship faster without sacrificing quality. This means practical experience with AI coding assistants, understanding how to provide effective context, and critically evaluating generated code for correctness, security, maintainability, and long-term code quality.
Responsibilities
  • Design, build, and deliver large-scale and real-time systems with high quality, scalability, and operability in mind.
  • Collaborate with product management, data engineering, and other engineering teams to bring end-to-end solutions to our customers.
  • Review and provide feedback on technical designs and code changes to engineering peers.
  • Proactively identify areas of technical debt and propose solutions to address them.
  • Take operational ownership of the system by using monitoring and observability tools to identify and respond to issues.
  • Mentor and coach team members to raise the technical bar on the team.

Signifyd provides fraud protection for e-commerce retailers by offering a real-time platform that detects and prevents fraudulent transactions. It serves a wide range of online sellers, from small businesses to large enterprises, and also offers a financial guarantee on approved transactions. The product analyzes each transaction using machine learning and artificial intelligence to distinguish legitimate orders from fraud, helping retailers reduce chargebacks and increase revenue. Merchants are charged fees per transaction or as a percentage of the transaction value. Signifyd differentiates itself through its financial guarantee, global reach, real-time and historical performance transparency, and a focus on enabling seamless, secure shopping experiences. The company's goal is to help online retailers grow their businesses with confidence by minimizing fraud and friction in the checkout process.

Company Size

201-500

Company Stage

Series E

Total Funding

$411M

Headquarters

Palo Alto, California

Founded

2011

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Simplify Jobs

Simplify's Take

What believers are saying

  • Signifyd's August 2026 report showed fraud pressure rising 33%, boosting buyer urgency.
  • BOPIS fraud rose 65% in 2026, expanding Signifyd beyond checkout into fulfillment.
  • Summer Spark 2026 adds pricing, promotions, and agentic-buying controls for merchants.

What critics are saying

  • Riskified, Sift, and Shopify-native fraud tools compress pricing and win merchants by 2027.
  • Signifyd's headcount fell to 514 in March 2026, while postings dropped 68.7%.
  • If Adobe and Shopify internalize fraud protections, Signifyd becomes a replaceable checkout layer.

What makes Signifyd unique

  • Signifyd backs approved orders with a 100% financial guarantee, unlike score-only vendors.
  • Its 2026 Commerce Network spans thousands of merchants and 950 million digital wallets.
  • Adobe Commerce and Shopify integrations embed Signifyd directly into checkout and returns workflows.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Flexible Spending Account/Flexible Spending Account

Unlimited Paid Time Off

401(k) Company Match

Stock Options

Annual Performance Bonus

Paid Parental Leave

On-Demand Therapy for all employees & their dependents

Dedicated learning budget through Learnerbly

Company Social Events

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

1%

2 year growth

0%
IT Press Releases
May 20th, 2025
The Top Fraud Prevention Software Vendors According to the FeaturedCustomers Spring 2025 Customer Success Report

Market Leaders - ClearSale, Forter, Kount, LexisNexis Risk Solutions, Ping Identity, Riskified, Sift, Signifyd, and Treasury Intelligence Solutions were given the highest "Market Leader" award.

Signifyd
Apr 22nd, 2025
Shopify chargeback guarantee: how to approve more orders and boost revenue

The fact that Signifyd effortlessly integrates with Shopify, offers Shopify merchants a chargeback guarantee and scales limitlessly sealed the deal.

Brown Brothers Media
Feb 13th, 2025
Swap and Signifyd Partner to Empower Brands With Secure, Seamless Global Commerce

LONDON - (BUSINESS WIRE) - Swap, the e-commerce operating system (OS) that consolidates global operations within one platform for e-commerce brands, today announced a strategic partnership with Signifyd, a leader in fraud and abuse prevention.

KevTom Consulting
Nov 24th, 2024
Connecting worlds: crafting digital strategies at the intersection of human and AI

When Kevin Boyd joined Signifyd as a consultant in 2017, he was struck not only by the company's unusual business model but also by its open, optimistic, and collaborative culture.

PR Newswire
Mar 14th, 2024
Celerant And Signifyd Partner For Ecommerce Fraud And Chargeback Protection

"Retailers can leverage the integration to enhance their security against fraudulent activity, while shifting any liability. Our clients can rest easy that they aren't losing potential sales, while they won't be held responsible for chargebacks." -Ian Goldman, President and CEO of Celerant