Senior Software Engineer, Backend - GTPN SF

Airwallex1 months ago

Location

US - San Francisco

Type

Full Time

Salary

USD 200,000 – 250,000

Level

Senior

Role

Backend Engineer

Posted

Feb 6, 2026

Full TimeSenior

The role

Summary

Senior Backend Software Engineer role at Airwallex's Global Treasury and Payment Network (GTPN) team in San Francisco. The position involves building core payment infrastructure and financial solutions for a $8B fintech company serving 200,000+ businesses globally. Requires 10+ years of experience in system architecture and software development with leadership capabilities.

What you'll do

System Architecture Leadership: Oversee the strategy, architecture, development, and operation of Airwallex's Global Treasury and Payment Network infrastructure

Cross-functional Collaboration: Work alongside talented engineers, product managers, and designers to bring finance products from concept to launch across multiple regions

Customer-Centric Development: Dive deep into customer needs and challenges to design and implement solutions that resonate with users and exceed expectations

Data-Driven Optimization: Leverage data analytics to drive product decisions, measure success, and identify opportunities for optimization and growth

Technical Leadership: Set high technical standards and lead by example, elevating the capabilities of team members and promoting technical excellence

Mentorship and Coaching: Foster a culture of innovation and continuous learning by mentoring team members and promoting knowledge sharing

Payment Infrastructure Development: Build and enhance core payment processing systems that handle global financial transactions at scale

Financial Product Innovation: Develop cutting-edge financial solutions that strengthen capabilities and reliability of the global treasury network

What we look for

Technical

System Architecture ExperienceExtensive experience in designing and implementing large-scale distributed systems and microservices architecture

Backend Development ProficiencyStrong proficiency in backend technologies including Java, Python, Go, or similar languages with focus on scalable systems

Financial Systems KnowledgeUnderstanding of payment processing, financial regulations, and treasury management systems

Database DesignExperience with both SQL and NoSQL databases, data modeling, and performance optimization

Cloud Platform ExpertiseHands-on experience with AWS, Azure, or GCP including containerization and orchestration tools

API DevelopmentExpertise in designing and implementing RESTful APIs, GraphQL, and integration with third-party financial services

Education

Computer Science DegreeBachelor's or Master's degree in Computer Science, Software Engineering, or related technical field

Alternative QualificationsEquivalent practical experience in software engineering with demonstrated expertise in system design and architecture

Experience

Senior Engineering Experience10+ years of experience in software development with focus on modern engineering practices and continuous innovation

Leadership ExperienceProven track record of leading high-performing engineering teams in dynamic, fast-paced environments

Fintech ExperienceExperience working in financial technology, payments, or banking industry with understanding of compliance requirements

Scale ExperienceExperience building and operating systems that handle high transaction volumes and critical financial operations

Skills

Required skills

System DesignAbility to architect and design large-scale distributed systems with high availability and performance

Backend ProgrammingStrong proficiency in Java, Python, Go, or similar languages for building scalable backend services

Leadership SkillsProven ability to lead engineering teams, mentor developers, and drive technical excellence

Financial Domain KnowledgeUnderstanding of payment processing, treasury management, and financial compliance requirements

Data AnalysisStrong analytical skills to interpret data, measure product performance, and drive decision-making

Problem SolvingExcellent problem-solving abilities with focus on customer needs and business impact

Nice to have

Microservices ArchitectureExperience with microservices design patterns and containerized applications

Cloud PlatformsHands-on experience with AWS, Azure, or Google Cloud Platform

DevOps PracticesKnowledge of CI/CD pipelines, infrastructure as code, and automated testing

API IntegrationExperience integrating with third-party financial services and payment gateways

Agile MethodologyExperience working in agile development environments with cross-functional teams

Machine LearningKnowledge of ML/AI applications in financial technology and fraud detection

Compensation & benefits

Salary

USD 200,000 – 250,000 (annual)

Stock options

Available

Benefits

Equity Participation

Stock options in a $8B valued fintech company backed by leading investors

Professional Development

Opportunities for continuous learning, career growth, and skill development in innovative environment

Global Collaboration

Work with talented teams across 26 offices worldwide including Singapore, Hong Kong, Shanghai, and US

Health Insurance

Comprehensive health insurance coverage for employees and dependents

Innovation Culture

Access to cutting-edge technology and AI tools to work smarter and solve problems faster

Career Acceleration

Fast-track career growth opportunities in a rapidly scaling global company

Work-Life Balance

Flexible working arrangements and supportive work environment

Diversity and Inclusion

Equal opportunity employer committed to diversity and inclusive workplace culture

Interview process

1
Initial Screening — Phone or video call with recruiting team to discuss background, experience, and role alignment
2
Technical Assessment — Coding challenge or take-home assignment focusing on system design and backend development skills
3
Technical Interview — In-depth technical discussion covering system architecture, scalability, and problem-solving approach
4
Behavioral Interview — Leadership and cultural fit assessment with focus on collaboration, customer empathy, and growth mindset
5
Final Round — On-site or virtual panel interview with senior engineering leaders and potential team members
6
Reference Check — Verification of work history and performance with previous employers or colleagues