Senior Software Engineer, Backend - GTPN Platform (Relocate to Singapore)

Airwallex11 months ago

Location

SG - Singapore

Type

Full Time

Salary

SGD 180,000 – 240,000

Level

Senior

Role

Backend Engineer

Posted

Apr 1, 2025

Full TimeSenior

The role

Summary

Airwallex is seeking a Senior Software Engineer for their GTPN (Global Treasury and Payment Network) platform team in Singapore. This role focuses on building and maintaining critical payment infrastructure that serves over 200,000 businesses worldwide. The position requires 10+ years of backend development experience with expertise in distributed systems, fintech, and modern engineering practices.

What you'll do

Payment Infrastructure Development: Design, develop, and maintain core payment processing systems that handle millions of transactions globally

System Architecture Leadership: Lead architectural decisions for GTPN platform scalability, reliability, and performance optimization

Cross-Regional Collaboration: Work with engineering teams across Singapore, Hong Kong, Shanghai, and San Francisco to deliver unified solutions

Product Strategy Implementation: Collaborate with product managers and designers to translate business requirements into technical solutions

Data-Driven Optimization: Leverage analytics and monitoring to identify performance bottlenecks and optimize system efficiency

Customer-Centric Development: Research customer pain points and implement features that enhance user experience in payment workflows

Code Quality Assurance: Conduct thorough code reviews, maintain high coding standards, and mentor junior engineers

Financial Compliance Integration: Ensure all payment solutions comply with global financial regulations and security standards

What we look for

Technical

Backend Development Expertise10+ years of experience in backend software development with focus on distributed systems

System Architecture ExperienceProven track record in designing and implementing large-scale, high-availability payment systems

Fintech Domain KnowledgeDeep understanding of payment processing, financial regulations, and cross-border transaction complexities

Microservices ProficiencyExtensive experience with microservices architecture, API design, and service mesh technologies

Cloud Platform ExpertiseAdvanced knowledge of AWS services, containerization, and cloud-native development practices

Performance OptimizationExpertise in system performance tuning, load testing, and capacity planning for high-volume systems

Education

Bachelor's DegreeComputer Science, Software Engineering, or related technical field preferred

Advanced CertificationsCloud certifications (AWS Solutions Architect) or fintech-related qualifications are advantageous

Experience

Senior Engineering LeadershipDemonstrated experience leading high-performing engineering teams in fast-paced environments

Payment Systems ExperiencePrevious work in fintech, banking, or payment processing companies strongly preferred

Global Product DevelopmentExperience working with distributed teams across multiple time zones and regions

Technical MentorshipTrack record of coaching and developing engineering talent while maintaining technical excellence

Skills

Required skills

Backend Development10+ years of experience building scalable backend systems using modern programming languages

Distributed SystemsExpert-level understanding of microservices, event-driven architecture, and distributed computing

Payment ProcessingDeep knowledge of payment rails, financial protocols, and cross-border transaction processing

System DesignProven ability to architect high-availability, fault-tolerant systems handling millions of transactions

Leadership SkillsStrong technical leadership capabilities with experience mentoring and growing engineering teams

Data AnalysisProficiency in leveraging data for decision-making, performance optimization, and product insights

Nice to have

Fintech ExperiencePrevious experience in financial services, banking, or payment processing companies

Regulatory KnowledgeUnderstanding of global financial regulations, PCI compliance, and security standards

Multi-Region DeploymentExperience with global system deployments and managing regulatory compliance across regions

AI/ML IntegrationKnowledge of incorporating machine learning for fraud detection and payment optimization

DevOps PracticesExperience with infrastructure as code, monitoring, and site reliability engineering

Product MindsetStrong product sense with ability to balance technical excellence with business objectives

Compensation & benefits

Salary

SGD 180,000 – 240,000 (annual)

Stock options

Available

Benefits

Relocation Support

Comprehensive relocation assistance for international candidates moving to Singapore

Professional Development

Continuous learning opportunities, conference attendance, and skill development programs

Health Insurance

Comprehensive medical, dental, and vision coverage for employees and dependents

Equity Participation

Stock options in a US$8 billion valued fintech unicorn with significant growth potential

Flexible Work Arrangements

Hybrid work options with modern office facilities in Singapore's financial district

Career Growth Opportunities

Clear advancement paths within a rapidly scaling global organization

Innovation Culture

Access to cutting-edge technology and opportunity to work on industry-leading financial products

Global Exposure

Collaboration with international teams and exposure to diverse market requirements

Interview process

1
Initial Screening — 30-minute phone/video call with talent acquisition to discuss background, motivations, and role fit
2
Technical Assessment — Take-home coding challenge focused on payment system design or distributed systems problem
3
System Design Interview — 90-minute technical deep-dive on designing scalable payment infrastructure with senior engineers
4
Behavioral Interview — Leadership and collaboration assessment with hiring manager focusing on team dynamics and cultural fit
5
Cross-Functional Panel — 60-minute panel interview with product managers and engineers from GTPN team to assess collaboration skills
6
Final Round — Executive interview with senior leadership to discuss vision alignment and growth trajectory
7
Reference Checks — Professional reference verification focusing on technical leadership and team impact