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Senior Backend Engineer Careers at Airwallex - San Francisco, California | Apply Now!

Airwallex

Senior Backend Engineer Careers at Airwallex - San Francisco, California | Apply Now!

full-timePosted: Oct 31, 2025

Job Description

Airwallex: Senior Backend Engineer, Expenses - San Francisco

Role Overview

Airwallex is seeking a highly skilled and motivated Senior Backend Engineer to join our Expenses team in San Francisco. As a Senior Backend Engineer, you will play a critical role in designing, developing, and maintaining the backend systems that power our innovative expense management solutions. You will be responsible for ensuring the reliability, scalability, and security of our platform, while also contributing to the technical direction and architecture of our products. This is an exciting opportunity to join a fast-growing company and make a significant impact on the future of global finance.

A Day in the Life

Here’s what a typical day might look like as a Senior Backend Engineer on the Expenses team at Airwallex:

  • Start your day by attending a team stand-up meeting to discuss progress, roadblocks, and priorities.
  • Spend the morning designing and implementing new features for our expense management platform, writing clean, testable code.
  • Participate in code reviews, providing constructive feedback to your teammates and ensuring code quality.
  • Attend a design review meeting to discuss the architecture of a new service and collaborate with other engineers to find the best solution.
  • Work on optimizing the performance of our backend systems, identifying and addressing bottlenecks.
  • Collaborate with product managers and designers to define and refine product requirements.
  • Respond to production issues and troubleshoot problems, ensuring the stability of our platform.
  • Mentor junior engineers, providing guidance and support to help them grow their skills.
  • Stay up-to-date with the latest technologies and trends in backend development, continuously learning and improving your skills.

Why San Francisco?

San Francisco is a global hub for technology and innovation, offering a vibrant and diverse community of engineers, entrepreneurs, and investors. Airwallex's San Francisco office provides a unique opportunity to work alongside some of the brightest minds in the industry, while also enjoying the city's rich culture, world-class restaurants, and stunning natural beauty. San Francisco is also a strategic location for Airwallex, allowing us to connect with customers and partners across the United States and the world.

Career Path

At Airwallex, we are committed to providing our employees with opportunities for growth and development. As a Senior Backend Engineer, you can advance your career in several ways:

  • Technical Leadership: Become a Principal Engineer or Architect, leading technical initiatives and setting the technical direction for the team.
  • Management: Transition into an Engineering Manager role, leading a team of engineers and guiding their career development.
  • Specialization: Focus on a specific area of expertise, such as security, scalability, or performance optimization.
  • Cross-Functional Roles: Explore opportunities in other areas of the company, such as product management or data science.

Salary & Benefits

Airwallex offers a competitive salary and benefits package, including:

  • Competitive salary and equity
  • Comprehensive health, dental, and vision insurance
  • Generous paid time off policy
  • Paid parental leave
  • Flexible work arrangements
  • Professional development opportunities
  • Company-sponsored events and activities
  • Commuter benefits
  • Wellness programs
  • Stock options
  • 401k plan
  • Employee referral bonus program

The estimated salary range for a Senior Backend Engineer in San Francisco is $180,000 to $250,000 per year. The actual salary will depend on your experience, skills, and qualifications.

Airwallex Culture

At Airwallex, we are building the financial infrastructure to empower businesses to grow without borders. We value innovation, collaboration, and a customer-centric approach. We are a diverse and inclusive team, committed to creating a workplace where everyone feels welcome and respected. We encourage our employees to take ownership, be creative, and make a difference. We are passionate about our mission and dedicated to building a world-class company.

How to Apply

If you are a talented and passionate Senior Backend Engineer looking for an exciting opportunity to join a fast-growing company, we encourage you to apply! Please submit your resume and cover letter through our online application portal. We look forward to hearing from you!

FAQ

  1. What is Airwallex?

    Airwallex is the only unified payments and financial platform for global businesses. We empower businesses with fully integrated solutions to manage everything from business accounts, payments, spend management, and treasury, to embedded finance at a global scale.

  2. What does the Expenses team do?

    The Expenses team builds innovative solutions that simplify the entire expense management process for our customers. From real-time expense tracking and automated receipt capture to seamless approvals and integrations, we deliver tools that give businesses greater control and efficiency over global spending.

  3. What are the key responsibilities of a Senior Backend Engineer on the Expenses team?

    As a Senior Backend Engineer, you will lead the design, architecture, and implementation of backend services, ensuring they are robust, scalable, and secure. You will also write clean, maintainable, and testable code, drive technical discussions, and collaborate with product managers and designers.

  4. What skills and qualifications are required for this role?

    We are looking for candidates with a Bachelor's degree in Computer Science or a related field, 8+ years of experience in backend software engineering, expertise in designing scalable and robust backend systems, and proficiency in one or more backend programming languages (e.g., Java, Python, Go).

  5. What is the interview process like?

    The interview process typically includes a phone screening, a technical interview, and a final interview with the hiring manager and team members.

  6. What opportunities for professional development are available at Airwallex?

    Airwallex offers a variety of professional development opportunities, including training programs, mentorship programs, and opportunities to attend industry conferences.

  7. What is the company culture like at Airwallex?

    Airwallex is a fast-paced, innovative, and collaborative company. We value diversity, inclusion, and a customer-centric approach.

  8. What benefits does Airwallex offer?

    Airwallex offers a competitive salary and benefits package, including health insurance, paid time off, and stock options.

  9. How can I learn more about Airwallex?

    You can learn more about Airwallex by visiting our website at www.airwallex.com.

  10. How do I apply for this role?

    You can apply for this role by submitting your resume and cover letter through our online application portal.

Locations

  • San Francisco, California, United States

Salary

Estimated Salary Rangemedium confidence

198,000 - 275,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Backend Developmentintermediate
  • API Designintermediate
  • REST APIsintermediate
  • System Architectureintermediate
  • Scalabilityintermediate
  • Microservicesintermediate
  • Database Managementintermediate
  • Cloud Computing (AWS, GCP, Azure)intermediate
  • Javaintermediate
  • Pythonintermediate
  • Gointermediate
  • SQLintermediate
  • NoSQLintermediate
  • CI/CDintermediate
  • Monitoring and Alertingintermediate
  • Security Best Practicesintermediate
  • Distributed Systemsintermediate
  • Expense Management Systemsintermediate
  • Financial Technologyintermediate
  • Problem Solvingintermediate
  • Communicationintermediate
  • Team Leadershipintermediate
  • Code Reviewintermediate
  • Mentoringintermediate

Required Qualifications

  • Bachelor's degree in Computer Science or related field (experience)
  • 8+ years of experience in backend software engineering (experience)
  • Expertise in designing and implementing scalable and robust backend systems (experience)
  • Strong understanding of API design principles and RESTful services (experience)
  • Proficiency in one or more backend programming languages (e.g., Java, Python, Go) (experience)
  • Experience with relational and NoSQL databases (experience)
  • Familiarity with cloud computing platforms (e.g., AWS, GCP, Azure) (experience)
  • Experience with CI/CD pipelines and automated testing (experience)
  • Knowledge of security best practices for web applications (experience)
  • Excellent problem-solving and communication skills (experience)
  • Ability to lead technical discussions and drive architectural decisions (experience)
  • Experience mentoring junior engineers (experience)

Responsibilities

  • Lead the design, architecture, and implementation of backend services, ensuring they are robust, scalable, and secure.
  • Write clean, maintainable, and testable code, setting the standard for engineering excellence across the team.
  • Drive technical discussions, design reviews, and code reviews, fostering a culture of high quality engineering.
  • Design and maintain high-performance REST APIs, adhering to best practices in API design and security.
  • Proactively address system reliability, scalability, and observability, implementing the right monitoring and alerting strategies.
  • Collaborate closely with product managers, designers, and other engineers to define and deliver high-quality software.
  • Participate in the full software development lifecycle, from requirements gathering to deployment and maintenance.
  • Mentor junior engineers, providing guidance and support to help them grow their skills.
  • Stay up-to-date with the latest technologies and trends in backend development.
  • Contribute to the development of engineering best practices and standards.
  • Ensure compliance with security and regulatory requirements.
  • Troubleshoot and resolve production issues in a timely manner.
  • Optimize application performance and scalability.

Benefits

  • general: Competitive salary and equity
  • general: Comprehensive health, dental, and vision insurance
  • general: Generous paid time off policy
  • general: Paid parental leave
  • general: Flexible work arrangements
  • general: Professional development opportunities
  • general: Company-sponsored events and activities
  • general: Commuter benefits
  • general: Wellness programs
  • general: Stock options
  • general: 401k plan
  • general: Employee referral bonus program
  • general: Opportunity to work on cutting-edge technology
  • general: Collaborative and supportive work environment
  • general: Opportunity to make a significant impact on a fast-growing company

Target Your Resume for "Senior Backend Engineer Careers at Airwallex - San Francisco, California | Apply Now!" , Airwallex

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Tags & Categories

Backend EngineerExpensesSan FranciscoCaliforniaUnited StatesFull-timeSenior LevelFinTechAPICloudJavaPythonGoSQLNoSQLSenior Backend EngineerBackend DevelopmentAPI DesignREST APIsSystem ArchitectureScalabilityMicroservicesDatabase ManagementCloud ComputingAWSGCPAzureCI/CDMonitoringAlertingSecurityAirwallexExpense ManagementSoftware EngineeringDistributed SystemsMicroservices ArchitectureFinTechPaymentsEngineeringProduct

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Airwallex logo

Senior Backend Engineer Careers at Airwallex - San Francisco, California | Apply Now!

Airwallex

Senior Backend Engineer Careers at Airwallex - San Francisco, California | Apply Now!

full-timePosted: Oct 31, 2025

Job Description

Airwallex: Senior Backend Engineer, Expenses - San Francisco

Role Overview

Airwallex is seeking a highly skilled and motivated Senior Backend Engineer to join our Expenses team in San Francisco. As a Senior Backend Engineer, you will play a critical role in designing, developing, and maintaining the backend systems that power our innovative expense management solutions. You will be responsible for ensuring the reliability, scalability, and security of our platform, while also contributing to the technical direction and architecture of our products. This is an exciting opportunity to join a fast-growing company and make a significant impact on the future of global finance.

A Day in the Life

Here’s what a typical day might look like as a Senior Backend Engineer on the Expenses team at Airwallex:

  • Start your day by attending a team stand-up meeting to discuss progress, roadblocks, and priorities.
  • Spend the morning designing and implementing new features for our expense management platform, writing clean, testable code.
  • Participate in code reviews, providing constructive feedback to your teammates and ensuring code quality.
  • Attend a design review meeting to discuss the architecture of a new service and collaborate with other engineers to find the best solution.
  • Work on optimizing the performance of our backend systems, identifying and addressing bottlenecks.
  • Collaborate with product managers and designers to define and refine product requirements.
  • Respond to production issues and troubleshoot problems, ensuring the stability of our platform.
  • Mentor junior engineers, providing guidance and support to help them grow their skills.
  • Stay up-to-date with the latest technologies and trends in backend development, continuously learning and improving your skills.

Why San Francisco?

San Francisco is a global hub for technology and innovation, offering a vibrant and diverse community of engineers, entrepreneurs, and investors. Airwallex's San Francisco office provides a unique opportunity to work alongside some of the brightest minds in the industry, while also enjoying the city's rich culture, world-class restaurants, and stunning natural beauty. San Francisco is also a strategic location for Airwallex, allowing us to connect with customers and partners across the United States and the world.

Career Path

At Airwallex, we are committed to providing our employees with opportunities for growth and development. As a Senior Backend Engineer, you can advance your career in several ways:

  • Technical Leadership: Become a Principal Engineer or Architect, leading technical initiatives and setting the technical direction for the team.
  • Management: Transition into an Engineering Manager role, leading a team of engineers and guiding their career development.
  • Specialization: Focus on a specific area of expertise, such as security, scalability, or performance optimization.
  • Cross-Functional Roles: Explore opportunities in other areas of the company, such as product management or data science.

Salary & Benefits

Airwallex offers a competitive salary and benefits package, including:

  • Competitive salary and equity
  • Comprehensive health, dental, and vision insurance
  • Generous paid time off policy
  • Paid parental leave
  • Flexible work arrangements
  • Professional development opportunities
  • Company-sponsored events and activities
  • Commuter benefits
  • Wellness programs
  • Stock options
  • 401k plan
  • Employee referral bonus program

The estimated salary range for a Senior Backend Engineer in San Francisco is $180,000 to $250,000 per year. The actual salary will depend on your experience, skills, and qualifications.

Airwallex Culture

At Airwallex, we are building the financial infrastructure to empower businesses to grow without borders. We value innovation, collaboration, and a customer-centric approach. We are a diverse and inclusive team, committed to creating a workplace where everyone feels welcome and respected. We encourage our employees to take ownership, be creative, and make a difference. We are passionate about our mission and dedicated to building a world-class company.

How to Apply

If you are a talented and passionate Senior Backend Engineer looking for an exciting opportunity to join a fast-growing company, we encourage you to apply! Please submit your resume and cover letter through our online application portal. We look forward to hearing from you!

FAQ

  1. What is Airwallex?

    Airwallex is the only unified payments and financial platform for global businesses. We empower businesses with fully integrated solutions to manage everything from business accounts, payments, spend management, and treasury, to embedded finance at a global scale.

  2. What does the Expenses team do?

    The Expenses team builds innovative solutions that simplify the entire expense management process for our customers. From real-time expense tracking and automated receipt capture to seamless approvals and integrations, we deliver tools that give businesses greater control and efficiency over global spending.

  3. What are the key responsibilities of a Senior Backend Engineer on the Expenses team?

    As a Senior Backend Engineer, you will lead the design, architecture, and implementation of backend services, ensuring they are robust, scalable, and secure. You will also write clean, maintainable, and testable code, drive technical discussions, and collaborate with product managers and designers.

  4. What skills and qualifications are required for this role?

    We are looking for candidates with a Bachelor's degree in Computer Science or a related field, 8+ years of experience in backend software engineering, expertise in designing scalable and robust backend systems, and proficiency in one or more backend programming languages (e.g., Java, Python, Go).

  5. What is the interview process like?

    The interview process typically includes a phone screening, a technical interview, and a final interview with the hiring manager and team members.

  6. What opportunities for professional development are available at Airwallex?

    Airwallex offers a variety of professional development opportunities, including training programs, mentorship programs, and opportunities to attend industry conferences.

  7. What is the company culture like at Airwallex?

    Airwallex is a fast-paced, innovative, and collaborative company. We value diversity, inclusion, and a customer-centric approach.

  8. What benefits does Airwallex offer?

    Airwallex offers a competitive salary and benefits package, including health insurance, paid time off, and stock options.

  9. How can I learn more about Airwallex?

    You can learn more about Airwallex by visiting our website at www.airwallex.com.

  10. How do I apply for this role?

    You can apply for this role by submitting your resume and cover letter through our online application portal.

Locations

  • San Francisco, California, United States

Salary

Estimated Salary Rangemedium confidence

198,000 - 275,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Backend Developmentintermediate
  • API Designintermediate
  • REST APIsintermediate
  • System Architectureintermediate
  • Scalabilityintermediate
  • Microservicesintermediate
  • Database Managementintermediate
  • Cloud Computing (AWS, GCP, Azure)intermediate
  • Javaintermediate
  • Pythonintermediate
  • Gointermediate
  • SQLintermediate
  • NoSQLintermediate
  • CI/CDintermediate
  • Monitoring and Alertingintermediate
  • Security Best Practicesintermediate
  • Distributed Systemsintermediate
  • Expense Management Systemsintermediate
  • Financial Technologyintermediate
  • Problem Solvingintermediate
  • Communicationintermediate
  • Team Leadershipintermediate
  • Code Reviewintermediate
  • Mentoringintermediate

Required Qualifications

  • Bachelor's degree in Computer Science or related field (experience)
  • 8+ years of experience in backend software engineering (experience)
  • Expertise in designing and implementing scalable and robust backend systems (experience)
  • Strong understanding of API design principles and RESTful services (experience)
  • Proficiency in one or more backend programming languages (e.g., Java, Python, Go) (experience)
  • Experience with relational and NoSQL databases (experience)
  • Familiarity with cloud computing platforms (e.g., AWS, GCP, Azure) (experience)
  • Experience with CI/CD pipelines and automated testing (experience)
  • Knowledge of security best practices for web applications (experience)
  • Excellent problem-solving and communication skills (experience)
  • Ability to lead technical discussions and drive architectural decisions (experience)
  • Experience mentoring junior engineers (experience)

Responsibilities

  • Lead the design, architecture, and implementation of backend services, ensuring they are robust, scalable, and secure.
  • Write clean, maintainable, and testable code, setting the standard for engineering excellence across the team.
  • Drive technical discussions, design reviews, and code reviews, fostering a culture of high quality engineering.
  • Design and maintain high-performance REST APIs, adhering to best practices in API design and security.
  • Proactively address system reliability, scalability, and observability, implementing the right monitoring and alerting strategies.
  • Collaborate closely with product managers, designers, and other engineers to define and deliver high-quality software.
  • Participate in the full software development lifecycle, from requirements gathering to deployment and maintenance.
  • Mentor junior engineers, providing guidance and support to help them grow their skills.
  • Stay up-to-date with the latest technologies and trends in backend development.
  • Contribute to the development of engineering best practices and standards.
  • Ensure compliance with security and regulatory requirements.
  • Troubleshoot and resolve production issues in a timely manner.
  • Optimize application performance and scalability.

Benefits

  • general: Competitive salary and equity
  • general: Comprehensive health, dental, and vision insurance
  • general: Generous paid time off policy
  • general: Paid parental leave
  • general: Flexible work arrangements
  • general: Professional development opportunities
  • general: Company-sponsored events and activities
  • general: Commuter benefits
  • general: Wellness programs
  • general: Stock options
  • general: 401k plan
  • general: Employee referral bonus program
  • general: Opportunity to work on cutting-edge technology
  • general: Collaborative and supportive work environment
  • general: Opportunity to make a significant impact on a fast-growing company

Target Your Resume for "Senior Backend Engineer Careers at Airwallex - San Francisco, California | Apply Now!" , Airwallex

Get personalized recommendations to optimize your resume specifically for Senior Backend Engineer Careers at Airwallex - San Francisco, California | Apply Now!. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Senior Backend Engineer Careers at Airwallex - San Francisco, California | Apply Now!" , Airwallex

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Backend EngineerExpensesSan FranciscoCaliforniaUnited StatesFull-timeSenior LevelFinTechAPICloudJavaPythonGoSQLNoSQLSenior Backend EngineerBackend DevelopmentAPI DesignREST APIsSystem ArchitectureScalabilityMicroservicesDatabase ManagementCloud ComputingAWSGCPAzureCI/CDMonitoringAlertingSecurityAirwallexExpense ManagementSoftware EngineeringDistributed SystemsMicroservices ArchitectureFinTechPaymentsEngineeringProduct

Answer 10 quick questions to check your fit for Senior Backend Engineer Careers at Airwallex - San Francisco, California | Apply Now! @ Airwallex.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.