Senior Full-Stack Engineer – Fintech Platform Modernization

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

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.