Full-Stack Engineer (Hybrid) - Build Payroll SaaS

Datacom; Auckland; Hybrid; NZD 90,000 - 140,000; Full time

Benefits offered by this job

Flexible & hybrid options

Paid parental leave

24/7 Employee Assistance Programme (D

Job summary

Smartly, a Datacom company, is seeking a Smartly Full Stack Engineer to own the delivery of payroll system features in a fast-paced FinTech environment. You will work across the stack, mentor juniors, and design clean, scalable code using modern tooling and AI-assisted development.

You should have 2+ years of IT project experience, strong C# .NET and front-end skills (HTML/JS/CSS, React, Razor), and a solid grounding in SOLID and OO design.

Qualifications

• 2+ years of IT project experience across the SDLC.
• Recent C# .NET experience with at least 2 years.
• Experience with web front-end technologies including HTML, JavaScript, CSS, React, or ASP.NET Razor.
• Good understanding of software architecture, design patterns, SOLID principles, and OO programming.
• Knowledge of software configuration management using Git.
• Familiarity with service-oriented frameworks.
• Ability to implement features, unit tests, and fix complex bugs.
• Excellent communication skills and teamwork.
• Public cloud exposure (Azure) is a bonus.

Responsibilities

• Own day-to-day delivery of assigned work, clarifying feature ambiguity and supporting release.
• Contribute to team delivery by estimating effort, signaling risks, and communicating progress.
• Contribute to quality through testing, code reviews, and safe change practices.
• Use modern tooling and AI-assisted development to improve delivery and code quality.
• Mentor less experienced engineers through collaboration and feedback.

Skills

C# .NET

Front-end

React

ASP.NET Razor

SOLID principles

OO programming

Git

Azure

Tools

Git

Azure

Job description

Smartly, a Datacom company, is seeking a Smartly Full Stack Engineer to own the delivery of payroll system features in a fast-paced FinTech environment. You will work across the stack, mentor juniors, and design clean, scalable code using modern tooling and AI-assisted development.

You should have 2+ years of IT project experience, strong C# .NET and front-end skills (HTML/JS/CSS, React, Razor), and a solid grounding in SOLID and OO design.