Top Tech Jobs & Startup Jobs

Design, build, and maintain scalable, secure backend services for card issuance and spend management. Own end-to-end feature delivery, contribute to architecture, write reliable testable code, ensure observability and API quality, collaborate cross-functionally, and mentor other engineers.

Build and maintain user-friendly web interfaces for expense and procurement products using React and TypeScript. Implement micro frontend patterns, integrate with backend services via Apollo/GraphQL, collaborate with designers and PMs on shared UI components and design systems, participate in code reviews, triage bugs, and improve frontend engineering standards and observability.

Lead technical strategy for payments optimization to balance conversion, fraud risk, and cost. Design and implement advanced optimization algorithms, guide experimentation and causal inference, collaborate with product and engineering to deploy ML systems at scale, influence product strategy, and mentor junior data scientists.

Design and implement enterprise iOS applications and libraries. Own full product development cycles, define technical specs with product teams, refactor for maintainability, and integrate data protection and regulatory compliance. Contribute to CI/CD, testing, and cross-platform (Android) collaboration.

Full-cycle GTM Partnerships Manager for Canada responsible for sourcing, onboarding, activating, and managing partners to drive partner-sourced pipeline and revenue. Build joint GTM plans, collaborate cross-functionally with sales and marketing, negotiate commercial outcomes, and scale a partner ecosystem to support Airwallex's Canadian SME growth.

Lead technical direction and hands‑on implementation of Airwallex's real‑time risk and fraud detection platform. Design distributed, low‑latency systems; own end‑to‑end delivery; write production Java/Spring Boot code; integrate ML models and feature stores; ensure observability, reliability, and operational excellence; mentor engineers and collaborate across product, data, SRE, and security teams.

Lead and manage global payroll operations and systems, ensuring accurate payroll processing, compliance, reconciliations, and reporting. Drive payroll system implementations and automations, resolve employee payroll queries, partner with HR, Legal and Finance on entity setups and international expansion, and develop payroll process documentation and improvements.

Lead architecture of a governed, reusable data, knowledge, and skills platform on Databricks to power analytics, AI agents, and real-time decisioning. Design data, semantic, and skills layers, enforce Governance-as-Code, enable regional data residency, and build agent interfaces and APIs while partnering with Data Science, Product, and Risk teams.

Design, build, and operate backend microservices for global payments acceptance. Implement REST APIs, integrate with card networks and local payment methods, work with Kafka and distributed datastores, perform architectural reviews, address tech debt, and improve operational tooling and reliability across cloud and containerized environments.

Design and build Airwallex's global edge infrastructure: API gateway, CDN, DNS routing, and perimeter security. Implement security-as-code, rate-limiting, WAF rules, bot-detection, self-service tooling, and reliability improvements. Collaborate with product, platform, and security teams and ship high-throughput, low-latency services.