Backend Engineer

Job Overview: We are seeking an experienced Senior Backend Engineer to join a global fintech organization specializing in cross-border payments technology. This role is ideal for a hands-on engineer who enjoys owning complex backend challenges end-to-end, from API design and data modeling to service architecture, production reliability, and platform modernization. The successful candidate will play a key role in building scalable payment infrastructure while providing technical leadership and mentorship across engineering teams. What Will You Do: • Design, develop, and own backend services that support payments, multi-currency balances, onboarding, compliance, settlement, and related financial services. • Lead the delivery of new platform capabilities from problem definition through production launch. • Build and maintain partner integrations and settlement infrastructure critical to business operations. • Own production health within your domain, including observability, reliability, incident response, and on-call support. • Collaborate closely with Product, Compliance, Operations, Architecture, and Engineering teams to deliver scalable and secure solutions. • Lead technical design reviews, define architecture decisions, and establish engineering best practices. • Mentor and support the growth of mid-level engineers through technical leadership and knowledge sharing. • Drive modernization initiatives, including migration from legacy systems to modern cloud-native architectures. • Champion the adoption of AI-assisted software development tools and practices throughout the software development lifecycle. What Makes You a Good Fit: • 6 to 10+ years of experience building and operating production-grade backend services end-to-end. • Strong backend development experience, preferably with C#/.NET; candidates with Java, Kotlin, Go, or other object-oriented programming experience are also encouraged to apply. • Solid understanding of SQL and relational database technologies. • Experience developing, maintaining, and executing automated tests as part of the software delivery lifecycle. • Hands-on experience using AI-assisted development tools such as GitHub Copilot, Cursor, Claude Code, or equivalent platforms. • Strong experience with AWS cloud services, CI/CD pipelines, and modern deployment practices, including services such as SQS, DynamoDB, S3, ECS, and Lambda. • Deep understanding of software architecture, system design, microservices, service-oriented architectures, and event-driven systems. • Experience working within payments, foreign exchange, fintech, or regulated industries. • Demonstrated technical leadership experience, including mentoring engineers, conducting design reviews, and making architecture decisions. • Strong written and verbal communication skills. Nice to Have: • Experience with financial systems, including ledgers, double-entry accounting, or financial transaction platforms. • Experience participating in hiring, interviewing, or onboarding technical talent. • Experience leading platform modernization or migration initiatives. • Experience with caching technologies such as Redis or Memcached. • Familiarity with project management and documentation tools such as Jira and Confluence. • Experience with API testing tools such as Postman or Bruno. • Experience leveraging AI tools for automated testing and software quality engineering. What We Offer: • Competitive remuneration package with annual salary reviews. • Paid birthday leave. • Additional annual leave entitlement based on years of service (up to 5 extra days). • Employer retirement contribution benefits. • Comprehensive healthcare coverage. • Employee stock purchase program. • Paid volunteering day to support a charity of your choice. • Complimentary office refreshments, including fruit, snacks, beverages, and coffee. • Access to mental health and wellbeing support resources. • Opportunity to work with a global fintech organization on innovative payment technologies. Working Arrangement: • Hybrid working arrangement. • Out stationed candidates must be willing to travel to the Christchurch office as required for company meetings, collaboration sessions, and events. • Opportunity to collaborate with global engineering teams across multiple regions.