Airwallex - Senior Software Engineer, Risk
Requirements
• 1. More than 5 years of Core Java development, more than 5 years of experience in Internet application / large financial system / e-commerce platform development; • 2. More than three years experience in risk platform or payment platform development; • 3. Bachelor degree in computer science and related majors; • 4. Proficient in Java, familiar with Java multi-threading, high concurrency, IO / NIO, network communication, etc .; • 5. Familiar with commonly used design patterns, with experience in design and development of large-scale distributed, high concurrency, high load, high availability systems; • 6. Master various common server technologies, which can optimize service response and data query, ensure various service quality, and solve the problems of high concurrency and high availability; • 7. Familiar with Spring / Spring Boot and RESTful services; • 8. Master Gradle / Maven and other build tools; • 9. Familiar with JSON & XML. • 1. In-depth knowledge of risk management strategies and fraud detection techniques, particularly within financial and fintech industries. • 2. Familiarity with graph databases and the ability to utilize them for pattern and anomaly detection. • 3. Experience with machine learning models and frameworks for predictive risk analytics. • 4. Familiarity with real-time data streaming technologies like Apache Kafka/Flink to ensure timely detection and response to potential threats. • 5.Strong data analytics skills, with experience using tools like ClickHouse, Spark, or NoSQL databases for large-scale data processing and risk analysis. • 6. Advanced problem-solving skills with prior experience in incident response and risk mitigation planning • 7. Strong team player with effective communication skills. • Applicant Safety Policy: Fraud and Third-Party Recruiters • To protect you from recruitment scams, please be aware that Airwallex will not ask for bank details, sensitive ID numbers (i.e. passport), or any form of payment during the application or interview process. All official communication will come from an @airwallex.com email address. Please apply only through careers.airwallex.com or our official LinkedIn page. • Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary. • Equal opportunity
Responsibilities
• Our mission is to keep Airwallex’s products and services safe and secure. We continuously improve risk strategies and systems using modern technologies, including graph, machine learning, and LLMs/Gen AI, to detect and prevent fraud and abuse at scale. • Design, develop, and operate core transaction risk services and infrastructure using Kotlin/Java, supporting payment products and transaction systems. • Own end-to-end delivery of key components and services on Airwallex’s microservice framework: design, implementation, testing, deployment, and observability. • Build high-concurrency, highly available distributed services, optimizing latency, throughput, and reliability for production workloads. • Collaborate with senior engineers and cross-functional partners to define technical solutions, APIs, and service boundaries; drive architectural improvements. • Explore and evaluate new technologies (e.g., graph/streaming/ML/LLM related) and propose pragmatic upgrades aligned with business risk needs. • Mentor engineers through code reviews, design discussions, and engineering best practices, improving team quality and delivery efficiency. • Participate in on-call/incident response when needed, driving root-cause analysis and long-term remediation. • Applicant Safety Policy: Fraud and Third-Party Recruiters • To protect you from recruitment scams, please be aware that Airwallex will not ask for bank details, sensitive ID numbers (i.e. passport), or any form of payment during the application or interview process. All official communication will come from an @airwallex.com email address. Please apply only through careers.airwallex.com or our official LinkedIn page. • Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary. • Equal opportunity
Benefits
• Please include currency • What is your notice period? • Do you have any relatives currently working for Airwallex? • Relatives include spouse/civil partner, non-married partner, parents, siblings, and/or children • If Yes, please state their name here • Do you have the right to live and work in Singapore? • If Yes, please indicate if you are • Singapore Citizen • Singapore Permanent Resident • If No, do you need a Work Visa Sponsorship for Singapore? • Recruiting Privacy Policy • Submit Application
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