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Jobs · Engineering · California

Sr. Full Stack Software Engineer

Clover · Sunnyvale, CA · 4 days ago
Engineering$140k–$210k/yrFull-time

About the role

Clover is a global leader in financial services technology, dedicated to building the smart point-of-sale (POS) and digital commerce networks that move money securely for millions of businesses daily. As a Senior Full Stack Software Engineer (Payments), you will join a high-performing product engineering team responsible for creating, enhancing, and maintaining our next-generation web applications, storefronts, and e-commerce APIs. In this role, you will work across the full stack to build and operate complex payment applications—including our Virtual Terminal, Invoicing, and hosted checkout tools—ensuring millions of global transactions are processed seamlessly every day.

Responsibilities

  • Lead the full-stack design, development, and implementation of scalable software applications and user interfaces to support Clover’s payment processing ecosystem.
  • Partner deeply with cross-functional product, design, and architecture teams to gather complex requirements and translate business goals into intuitive frontend workflows and clean backend technical specifications.
  • Perform rigorous coding, testing, and proactive debugging across both frontend and backend components to guarantee optimal latency, responsiveness, and transaction reliability.
  • Maintain, refactor, and evolve existing full-stack payment codebases while leading architectural design and peer code review processes to uphold elite engineering standards.
  • Mentor engineers and emerging technical leaders, providing technical guidance to enhance the collective capabilities and product-thinking of the development team.
  • Participate in regular on-call and release management rotations to provide production support services and maintain high system availability.

Requirements

  • Core Engineering Foundations: 6+ years of professional software development experience delivering production-grade, full-stack enterprise web applications within a product-driven environment.
  • Frontend Excellence: Strong hands-on experience and deep proficiency building highly accessible, responsive web interfaces using React.js, TypeScript, and JavaScript.
  • Java Mastery: Strong backend coding skills within the JVM ecosystem, utilizing Java and the Spring Boot framework to design, build, and scale distributed microservices.
  • Orchestration & Scale: Practical experience developing, containerizing, and deploying workloads within a Kubernetes (K8s) environment.
  • Data Layer Architecture: Solid experience working with relational databases, specifically MySQL or similar relational engines.
  • Platform Mindset: Ability to generalize complex business processes and build simple, flexible, and extensible core domain services that cleanly support multiple consumer products.
  • API Design: Deep expertise in designing, versioning, and maintaining secure, performant RESTful APIs for web and mobile clients.
  • DevOps Maturity: Strong proficiency with Git, automated testing frameworks, and managing automated CI/CD pipelines to ensure release stability.

Qualifications

  • Payment Domain Expertise: Direct experience within the fintech, POS, banking, or e-commerce industries (familiarity with core checkout or payment transaction lifecycles is a massive plus).
  • System Hardening: Foundational understanding of web security protocols, network communication protection, data tokenization, and core cryptography.
  • Full-Stack Versatility: Comfortable working across multiple parts of the application stack and adjusting quickly in an iterative model where specifications and design layouts constantly evolve.

Skills

  • Experience with React.js, TypeScript, and JavaScript.
  • Strong backend coding skills within the JVM ecosystem, utilizing Java and the Spring Boot framework.
  • Practical experience developing, containerizing, and deploying workloads within a Kubernetes (K8s) environment.
  • Solid experience working with relational databases, specifically MySQL or similar relational engines.
  • Ability to generalize complex business processes and build simple, flexible, and extensible core domain services.
  • Deep expertise in designing, versioning, and maintaining secure, performant RESTful APIs for web and mobile clients.
  • Strong proficiency with Git, automated testing frameworks, and managing automated CI/CD pipelines.

Benefits

  • Fuel Your Life program to support your physical, financial, social, and emotional well-being.
  • Paid holidays and generous time away policies.
  • No-cost mental health support through Employee Assistance Programs.
  • Living Proof program to recognize your peers’ extra effort with points redeemable for rewards.
  • Eight Employee Resource Groups to foster a collaborative culture and expand your network.
  • Unparalleled professional growth with training, development, and internal mobility opportunities.
  • Medical, dental, vision, life, and disability insurance options available from day one.
  • Tuition assistance and reimbursement program.
  • Paid parental, caregiver, and military leave.

Pay

Salary Range: $140,000.00 - $210,000.00 These pay ranges apply to employees in Sunnyvale, California. Pay ranges for employees in other states may differ. It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

Schedule

This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity.

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