Software Development Engineer
CSG
AngularAWSCloudJavaScriptNode.jsPostgresPythonSQL
Senior Fullstack Engineer, Payments Platform
Xero
full-time
Posted on:
Location Type: Remote
Location: Remote • California • 🇺🇸 United States
Visit company websiteSalary
💰 $179,500 - $219,400 per year
Job Level
Senior
Tech Stack
AWSCloudDistributed SystemsGoJavaNoSQLReactSQLTypeScript
About the role
- Design and build end-to-end features: Contribute to both frontend and backend systems, delivering secure, performant, and user-friendly experiences.
- Drive technical design: Lead the design and implementation of features spanning APIs, services, and UIs, ensuring robustness and extensibility.
- Stay hands-on: Write production-quality code across the stack, build proof-of-concepts, and participate in design and code reviews.
- Solve challenging problems: Work on distributed systems, integrations with global payment providers, compliance, and user-facing workflows.
- Collaborate across teams: Partner with Product, Design, Security, and Operations to translate business needs into seamless technical solutions.
- Mentor teammates: Support the growth of junior engineers by sharing knowledge, providing feedback, and modeling best practices.
- Champion operational excellence: Contribute to observability, on-call practices, and monitoring to ensure reliable systems and smooth customer experiences.
- Continuously improve: Stay current with both backend and frontend industry trends, adopting new technologies where appropriate to strengthen the platform.
Requirements
- 6+ years of software engineering experience, with a proven track record delivering fullstack applications at scale.
- Strong expertise in system design, API development, and building reliable backend services.
- Proficiency in modern frontend frameworks (e.g., React, TypeScript, or similar) and ability to deliver high-quality, user-facing experiences.
- Proficiency in at least one modern backend stack (e.g., C# a bonus, Java, Golang, C++), with experience in cloud-native platforms (AWS a bonus).
- Experience with both SQL and NoSQL databases.
- Ability to drive technical design and lead implementation of end-to-end features across frontend and backend.
- Experience mentoring junior engineers and helping raise the technical bar within a team.
- Familiarity with payments, fintech, or other highly regulated, compliance-heavy domains (preferred but not required).
- Strong problem-solving skills and the ability to work effectively in an agile, collaborative environment.
- Commitment to code quality—experience with frontend and backend testing practices, code reviews, and building maintainable systems.
Benefits
- very generous paid leave to use however you’d like (plus statutory holidays!)
- dedicated paid leave to care for your physical and mental wellbeing
- Employee Assistance Program to access mental health care for you and your family
- employee resource groups
- wellbeing programming and allowances
- medical, dental, vision, and disability insurance
- fertility and family forming financial support
- 401k contribution matching
- 26 weeks of paid parental leave for primary caregivers
- Employee Share Plan
- beautiful offices with snacks and break areas
- flexible working
- career development
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
fullstack developmentsystem designAPI developmentbackend servicesfrontend frameworksReactTypeScriptJavaGolangSQL
Soft skills
problem-solvingmentoringcollaborationtechnical design leadershipfeedback provisionagile methodologycommunicationoperational excellencecontinuous improvementuser experience focus
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