Full Stack Software Engineer - Smartly

Datacom; Wellington; Hybrid; NZD 90,000 - 130,000; Full time

Benefits offered by this job

Flexible work

Parental leave

Employee Assistance

Learning opportunities

Future skills training

Recognition programs

Discounts

Meaningful work

Job summary

Datacom’s Smartly unit seeks a capable Full Stack Engineer to help deliver the Smartly Payroll SaaS. The role emphasizes strong front-end and back-end collaboration, modern tech usage, and mentoring junior engineers.

You’ll contribute to scalable, secure, and robust payroll solutions while embracing agile practices and AI-assisted development. We value practical problem-solving, clear communication, and a passion for building high-quality software in a hybrid New Zealand environment.

Qualifications

• 2+ years' experience across multiple SDLC phases.
• Recent C# .NET experience with at least 2 years.
• Experience with HTML, JavaScript, CSS, React, or ASP.NET Razor.
• Strong understanding of software architecture, design patterns, SOLID principles, and object-oriented 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, with a focus on cohesive teams.
• Public cloud exposure (Azure) is a bonus.

Responsibilities

• Own day-to-day delivery of assigned work, clarifying feature ambiguity, managing tasks, supporting releases, and verifying production outcomes.
• Contribute to team-owned delivery by inputting effort, raising risks or blockers early, communicating progress clearly, and helping the team deliver work predictably.
• Contribute to team-owned quality through testing, code review, safe change practices, and attention to correctness, maintainability, security, and performance.
• Use modern tooling, automation, and AI-assisted development to improve delivery efficiency, feedback loops, and code quality while remaining accountable for the output.
• Support less experienced engineers through collaboration, review feedback, and strong day-to-day engineering practice.

Skills

SDLC experience

C# & .NET

Frontend tech

React

SOLID & OO

Git

SOA

Unit testing

Communication

Problem solving

Azure

Tools

Azure

Job description

Description

Smartly Full Stack Engineer

A Bit About Smartly, a Datacom Company

We exist to make it simpler for Kiwi businesses to look after their people. We're known as the simple way to sort your payroll for over 20,000 businesses. Our slick software, combined with our awesome support team, helps businesses pay their people on time, accurately and in line with legislation. As a fast-growing FinTech expanding into adjacent markets, Smartly offers a fast-paced, fun work environment with great opportunities for personal and professional development.

About The Role (your Why)

As a Full Stack Engineer, you will work on our Smartly Payroll System. Smartly is a SaaS Online Payroll Product helping more than 20,000 clients to with their payroll needs. Our ideal candidate will have at least 2 years of experience working on the front end and back end; also have a strong ability to solve problems, design & write clean code; and mentor junior engineers.

What You’ll Do

• Owning the day-to-day delivery of assigned work, including clarifying feature-level ambiguity, managing tasks effectively, supporting release, and verifying outcomes in production.
• Contributing to team-owned delivery by giving realistic input into effort, raising risks or blockers early, communicating progress clearly, and helping the team deliver work predictably.
• Contributing to team-owned quality through appropriate testing, code review participation, safe change practices, and disciplined attention to correctness, maintainability, security, and performance.
• Using modern tooling, automation, and AI-assisted development in a practical and controlled way to improve delivery efficiency, feedback loops, and code quality while remaining accountable for the output.
• Supporting less experienced engineers through constructive collaboration, review feedback, and strong day-to-day engineering practice.

What You’ll Bring

• 2+ years' experience working on IT projects across multiple phases of the SDLC.
• Recent C# .NET experience with at least 2 years of .NET development.
• 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 object-oriented programming.
• Knowledge of software configuration management using tools such as Git.
• Familiarity with service-oriented frameworks.
• Ability to implement features, unit tests, and fix complex bugs.
• Excellent communication skills, with a strong focus on helping create cohesive, collaborative, and productive teams.
• Strong problem-solving and conceptual thinking skills.
• Public cloud exposure (Azure) is a bonus.

Culture And Benefits

Join a team where you'll be supported to grow your career, prioritise your wellbeing, and make a genuine impact. From industry-leading learning and development opportunities to parental leave, wellbeing support, and employee benefits, we're committed to helping our people thrive both professionally and personally

We're passionate about creating a workplace where people feel supported, empowered, and inspired to do their best work. Whether you're developing new skills, tackling complex challenges, or collaborating with some of the best minds in the industry, you'll be part of a team that values curiosity, innovation, inclusion, and making a genuine difference.

Why you will love working here

• Flexible and hybrid working options (only include if applicable)
• Paid parental leave
• 24/7 Employee Assistance Programme (DataCare)
• Ongoing learning, certifications, and career development opportunities
• Access to industry-leading learning platforms and future skills training
• Recognition programmes that celebrate great work
• Great employee discounts and financial wellbeing benefits
• Meaningful work that makes a real impact

Why Smartly?

We're a team of smart, curious, and passionate people who care deeply about our customers and each other.

If you're excited about building great products, exploring new ideas, leveraging emerging technologies like AI, and helping shape the future of payroll and people management software in New Zealand, we'd love to hear from you.