Flex

Staff Software Engineer, Backend

Flex
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2 months ago
USA (city not specified)Staff+

Base Salary

$170k - $250k/yr

Responsibilities

  • Design, build, and scale backend services and integrations for Payment, Billing, Identity, partner integrations, payments, wallet, and settlement systems.
  • Set long-term technical vision and architecture for complex distributed systems.
  • Lead technical scoping, design, implementation, and production rollouts across teams with minimal oversight.
  • Build robust, fault-tolerant systems with multiple external dependencies and maintain data pipelines.
  • Collaborate with product, design, engineering, and technical and non-technical stakeholders on scope and delivery.
  • Mentor engineers, raise technical standards, and drive consistency and best practices across the organization.

Requirements

  • At least 8 years of software engineering experience and at least 6 years of Java experience.
  • Proven ability to set technical direction and architecture for complex, distributed systems.
  • Experience leading and mentoring engineers and influencing technical direction across a team or organization.
  • Experience building robust, fault-tolerant systems with multiple external dependencies.
  • Experience designing, building, and maintaining data pipelines.
  • Proficiency with Java frameworks and tools including Spring, Gradle, JUnit, and JVM memory and performance tuning.
  • Experience with service-oriented architectures, REST APIs, message queues, scalable architectures, AWS, and containerization tools.
  • Experience working with globally distributed teams and aligning technical and non-technical stakeholders on scope and delivery.
  • Preferred experience with CI/CD, GitHub Actions, Git, automation, observability, monitoring, Datadog, Snowflake, CDK, and Terraform.
  • Strong written and verbal communication skills and a track record of mentoring engineers and elevating team standards.

Benefits

  • Medical, dental, and vision coverage for full-time U.S. employees.
  • Company equity and a 401(k) plan with company match.
  • Unlimited paid time off and 13 company-paid holidays.
  • Parental leave and a free Flex subscription.
  • Full-time non-U.S. employees receive competitive compensation, company equity, and unlimited PTO.
  • Roles posted in New York, San Francisco, and Salt Lake City are hybrid, with on-site expectations of 2–3 days per week; candidates elsewhere may be eligible for relocation assistance.

Tech Stack

Amazon DynamoDBAWSDatadogGitGitHub ActionsGradleJavaJUnitSnowflakeSpring BootTerraform

Categories

Flex

About Flex

10,000+ employees

Flex is a global contract manufacturer and supply chain partner that designs, builds, and services products for electronics, automotive, industrial, and healthcare brands. It offers design engineering, new product introduction, mass manufacturing, and logistics services under long-term partnerships and fee-for-service models. Founded in 1969 and headquartered in Austin, Texas, Flex is a public company traded on NASDAQ.

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