Full Stack Engineer

ARVION SERVICES SDN. BHD.; Christchurch; Hybrid; NZD 150,000 - 190,000; Full time

Benefits offered by this job

Healthcare coverage

Stock purchase program

Birthday leave

Retirement contribution

Volunteer day

Office refreshments

Mental health support

Job summary

ARVION SERVICES SDN. BHD. in Christchurch is seeking an experienced Senior Full Stack Engineer to own complex fintech solutions across frontend, API design, and backend services.

You will modernize large-scale payment platforms, lead architecture decisions, and mentor mid-level engineers while collaborating with Product, Design, Compliance, and Engineering teams to deliver secure, scalable software.

Qualifications

• 6 to 10+ years of production-grade web app experience.
• Strong frontend experience with Vue.js or React.
• Backend experience with C#/.NET; other OO languages welcome.
• Solid SQL and relational DB knowledge.
• Automated tests in SDLC; CI/CD experience.
• Experience with AWS and modern deployment practices.
• Leadership and mentoring of engineers in cross-functional teams.

Responsibilities

• Design, develop, and own features across frontend and backend.
• Build platforms for onboarding, payments, settlement, and related services.
• Lead delivery of high-impact customer features from concept to production.
• Own production health, observability, incident response, and on-call support.
• Collaborate with Product, Design, Compliance, and Engineering teams.
• Lead technical design reviews and architecture decisions.
• Mentor mid-level engineers and promote best practices.
• Drive modernization to cloud-native architectures and AI-assisted tooling.

Skills

Vue.js

React

C#/.NET

Java

Kotlin

Go

SQL

Relational DB

AI tools

AWS

CI/CD

Microservices

Architecture

Tools

GitHub Copilot

Jira

Confluence

Postman

Job description

Job Overview:

We are seeking an experienced Senior Full Stack 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 problems end-to-end, from frontend experiences and API design to backend services, platform reliability, and production delivery. The successful candidate will play a key role in modernizing large-scale payment platforms while providing technical leadership and mentorship across engineering teams.

What You Will Do:

• Design, develop, and own customer-facing features and backend services across the full technology stack.
• Build and maintain platforms supporting onboarding, compliance, payments, foreign exchange, settlement, and related financial services.
• Lead the delivery of high-impact customer features from concept through production deployment.
• Own production health and operational excellence within your domain, including observability, reliability, incident response, and on-call support.
• Collaborate closely with Product, Design, Compliance, 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 across the software development lifecycle.

What Makes You a Good Fit:

• 6 to 10+ years of experience building and delivering production-grade web applications end-to-end.
• Strong frontend development experience using Vue.js, React, or similar frameworks.
• 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 communication, stakeholder management, and collaboration skills.

Nice to Have:

• Strong understanding of frontend best practices, including responsive design, accessibility, web performance, and internationalization.
• 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.