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Airwallex Logo Airwallex · IT - Software Development

Software Engineer II, Search Platform

Singapore; China, Singapore · Job Posted February 21, 2026
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Job Description

As a vital member of the Search Platform Team, you will be part of a specialized force that meticulously bridges the gap between business exigencies and architectural finesse. You will engage in: An advanced application infrastructure meticulously crafted to alleviate common challenges across the entire organization, significantly lowering maintenance costs for developers and streamlining innovation; Masterfully addressing intricate, organization-wide challenges through the strategic deployment of cutting-edge technologies such as distributed systems, vector databases and data pipeline solutions; Comprehensive, organization-wide evaluations of strategic solutions.

Job Responsibility

  • Work closely with Product Managers to analyze the product requirements and then produce the technique solutions & execution plan to deliver the software products
  • Hands-on design, implement and deliver production-grade streaming ingestion using Flink (or similar technologies), focusing on low-latency, high-throughput, and fault-tolerant design
  • Tackle challenging problems in timely computation, stateful stream processing, partitioning, and resilience
  • Proactively troubleshooting and addressing technical bottlenecks
  • Participate in and contribute to critical code, design, and performance reviews, raising the technical bar across the team
  • Engage with the Technical leads in building a backlog that continuously contributes to the execution of the roadmap
  • Collaborate with local/global engineering teams, infrastructure teams, and product development teams and translate business requirements into robust engineering solutions

Requirements

  • More than 3 years of back-end development experience
  • Have experience in developing large-scale distributed systems
  • Proficient in coding and scripting languages (Java(Kotlin) /C++ /Python, etc.) with strong software and system design abilities
  • Deep familiarity with the standard library, idiomatic usage, and best practices of your primary programming languages
  • Able to write clear, maintainable, and efficient code
  • In depth knowledge on storage & streaming over PostgreSQL or Kafka

Nice to have

  • Experience on event driven architecture & parallelisation
  • Prior work on large-scale data processing pipelines and Search engine(e.g., using Kafka, Spark, or Flink & ElasticSearch)
  • Exposure to microservice architectures, observability, and cloud-native infrastructure (e.g., Docker, Kubernetes)
  • Experience integrating AI-powered search enhancements, such as embeddings, semantic search, or re-ranking models
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