We're looking for an experienced Senior Integration Engineer with strong C#/.NET expertise and hands-on mobile engineering capability to join us on a contract engagement, with an immediate start strongly preferred.
You'll work across backend integration and mobile applications, delivering secure, high-performing solutions in a complex enterprise environment.
This is a senior, hands-on engineering role requiring someone who can hit the ground running, work independently and contribute across both C# integration development and native Android and iOS engineering.
To be considered, you must be based in Auckland and have current New Zealand working rights. Experience across both integration and mobile engineering is essential.
What You'll Do- Design, develop and maintain backend APIs, services and system-to-system integrations using C#/.NET.
- Develop ASP.NET Web APIs with a strong focus on performance, security and reliability.
- Contribute to native Android and iOS development using Kotlin and Swift.
- Work closely with cross-functional teams to translate requirements into practical technical solutions.
- Apply strong engineering practices, including clean code, testing, troubleshooting and code reviews.
- Use Git and enterprise CI/CD pipelines to support reliable software delivery.
- Investigate technical issues and contribute to production support and incident resolution as required.
- Extensive senior-level experience in C#/.NET integration engineering, including APIs, services and system-to-system integrations.
- Proven experience developing secure, high-performing ASP.NET Web APIs.
- Hands-on mobile engineering experience across both Android using Kotlin and iOS using Swift.
- Strong software engineering practices, including testing, troubleshooting and code reviews.
- Experience using Git and CI/CD pipelines within an enterprise environment.
- The ability to work independently and take ownership of technical delivery.
- Clear communication skills and confidence working with technical and non-technical stakeholders.
- Experience with .NET 10.
- Previous financial-services experience.
- Experience with REST APIs, microservices and enterprise integration patterns.
- Experience supporting production systems and resolving incidents.
If you're an Auckland-based senior engineer who combines strong C# integration expertise with hands-on Kotlin and Swift development, we'd love to hear from you.
Skills Required
- Senior-level experience in C#/.NET integration engineering, including APIs, services, and system-to-system integrations
- Experience developing secure, high-performing ASP.NET Web APIs
- Hands-on Android development using Kotlin
- Hands-on iOS development using Swift
- Strong software engineering practices, including testing, troubleshooting, and code reviews
- Experience using Git and CI/CD pipelines in an enterprise environment
- Ability to work independently and take ownership of technical delivery
- Clear communication skills and confidence working with technical and non-technical stakeholders
- Based in Auckland
- Current New Zealand working rights
- Experience with .NET 10
- Financial-services experience
- Experience with REST APIs, microservices, and enterprise integration patterns
- Experience supporting production systems and resolving incidents
Datacom Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Datacom and has not been reviewed or approved by Datacom.
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Healthcare Strength — Healthcare support includes complimentary health insurance packages in Australia and New Zealand alongside employee assistance programs. Wellbeing resources and on‑site meditation rooms are highlighted as part of the offering.
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Wellbeing & Lifestyle Benefits — Flexible and remote work support, plus discounts on gyms, travel, and selected retailers, are prominently featured. The package emphasizes work–life balance and lifestyle support alongside core benefits.
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Flexible Benefits — Flexible working is promoted across locations, with hybrid/remote arrangements positioned as standard practice where feasible. Benefits are framed as locally tailored by country and business unit, reflecting adaptability to context.
Datacom Insights
What We Do
Datacom is Australasia's largest home-grown tech company. Drawing on the experience of over 6500 staff in 24 locations around the globe, we work with a full range of clients, from small start-ups through to government agencies and multinational corporations, to explore and extract the hidden value in their systems. We bring together over half a century of know-how, the right technology and the knowledge and creativity of our people, to deliver sustainable solutions to our customers’ greatest challenges. With our team of dedicated professionals, we work with leading partners to deliver the solutions that are right for our customers – that solve their issues and enhances their businesses. We design, build and run IT systems and processes across operations, cybersecurity, cloud, digital platforms, payroll and enterprise applications. We deliver customer care services and operate mission-critical infrastructure with best-in-class data centre facilities – Datacom delivers on the promise: practical imagination.
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