Senior Software Engineer II

Signifyd; United States; Remote; USD 170,000 - 220,000; Full time

Benefits offered by this job

Unlimited time off

401K Match

Stock Options

Annual Bonus

Paid Parental Leave

Health Insurance

Dental Insurance

Vision Insurance

FSA

Disability Insurance

Life Insurance

Company Social Events

Signifyd Swag

Job summary

Signifyd is seeking a senior back-end engineer to own the public-facing API platform and ingestion services for retailers integrating with Signifyd. You will design and build world-class services, collaborating with engineers and product teams to deliver scalable solutions.

The role emphasizes architecture, performance, and reliability in high-traffic systems, with opportunities to mentor peers and shape technical direction within the Integrations & Onboarding team.

Qualifications

• 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 design and delivery of large, ambiguous projects end to end.
• Strong software design and architecture skills for scalability, performance, reliability.
• Experience building distributed systems or public-facing APIs.
• Experience with cloud platforms such as AWS or GCP.
• Ability to communicate with engineers and non-engineers.
• Practical experience with AI coding assistants and evaluating generated code.

Responsibilities

• Design, build, and deliver large-scale, real-time systems with high quality, scalability, and operability.
• Collaborate with product management, data engineering, and other teams to deliver end-to-end solutions.
• Review and provide feedback on designs and code changes.
• Identify technical debt and propose solutions.
• Take operational ownership using monitoring and observability tools.
• Mentor team members to raise the technical bar.

Skills

Functional programming

Distributed systems

API design

Cloud platforms

Communication

AI tooling

Education

Bachelor’s degree or equivalent

Tools

Java

SQL

gRPC

HTTP/REST

Kubernetes

Docker

Linux

Cassandra

Pub/Sub

Bigtable

Databricks

Job description

At Signifyd, we help merchants confidently grow their businesses by building trusted relationships with their customers. Our advanced technology, combined with a team genuinely invested in our clients’ success, creates frictionless shopping experiences, approving more good orders, protecting revenue, and keeping customers happy.

Trusted by thousands of leading merchants across more than 100 countries, we securely process billions of transactions each year. Our people are the heart of everything we do, driving our mission forward with commitment, empathy, and creativity. Join us on our mission to empower confident, fraud-free commerce by helping online retailers provide superior customer experiences and eliminate fraud. Learn about our company values here!

Department : Engineering

The Engineering organization at Signifyd is at the forefront of building solutions that protect and empower global commerce. We pride ourselves on delivering highly scalable, robust systems that evolve with our customers’ needs, from emerging startups to enterprise-level organizations processing millions of transactions. Our engineers thrive in an innovative environment where rapid iteration and continuous learning drive our success. We embrace modern development practices, leverage cloud-native technologies, and maintain a customer‑obsessed mindset to ensure our solutions anticipate tomorrow’s challenges. Strong partnerships with Product and Data Science ensure every technical decision is aligned with delivering maximum value and driving meaningful business outcomes.

The Role

We are looking for a senior back-end engineer who is passionate about designing and building world-class services. As a member of the Integrations & Onboarding team, you will own the public-facing API platform and ingestion services that retailers use to integrate with Signifyd and onboard to production. We seek an experienced engineer with a track record of building innovative, highly-scalable products who can understand key system requirements, design elegant solutions, and work with other engineers and managers to architect and lay out the work.

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.

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.

Our Stack

• Java, SQL, gRPC, HTTP/REST
• Kubernetes, Docker, Linux
• Cassandra, Pub/Sub, Bigtable, Databricks

#LI-Remote

Benefits in our US offices:

• Discretionary Time Off Policy (Unlimited!)
• 401K Match
• Stock Options
• Annual Performance Bonus or Commissions
• Paid Parental Leave (12 weeks)
• On-Demand Therapy for all employees & their dependents
• Dedicated learning budget through Learnerbly
• Health Insurance
• Dental Insurance
• Vision Insurance
• Flexible Spending Account (FSA)
• Short Term and Long Term Disability Insurance
• Life Insurance
• Company Social Events
• Signifyd Swag

Compensation:

In the United States, each work location is assigned a specific pay zone, which determines the salary range for a given position. The starting base salary for the selected candidate will be based on a variety of factors, including job-related skills, experience, qualifications, geographic location, and current market conditions.

Base Salary Ranges by Pay Zone:

• Tier 1 (NYC/SF Bay Area/Seattle): $190,000 – $220,000 annually
• Tier 2 (DC Metro/Austin/Chicago/Denver/Boston/Los Angeles/San Diego): $180,000 – $210,000 annually
• Tier 3 (US - All Other): $170,000 – $200,000 annually

Equity: This role is eligible for a stock option grant of 6000 stock options, based on the position level and internal compensation guidelines.

Bonus: This role is eligible for an annual performance bonus of up to 10% of base salary.

We want to provide an inclusive interview experience for all, including people with disabilities. We are happy to provide reasonable accommodations to candidates in need of individualized support during thehiringprocess.

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