Senior Back-End Developer

Who We Are | Ko wai matou

We are

Theta

, a New Zealand-owned technology consultancy helping organisations transform through technology.

With offices in Auckland, Wellington, Christchurch, and Tauranga, we work with leading organisations across Aotearoa to deliver smart, pragmatic, and impactful digital solutions.

About the Role | Mo tenei turanga mahi

We're looking for a

Senior Back-End Developer

to join our

Digital Practice

In this role, you'll design and build scalable, secure, and high-performing server-side enterprise solutions using the Microsoft stack and cloud-native technologies.

What You'll Do | Nga haepapa

Design, develop, and maintain robust back-end systems and APIs using .

NET Core and C#

Build cloud-native solutions using

Microsoft Azure

Collaborate with front-end developers to ensure seamless integration and performance

Implement secure, scalable, and maintainable architectures

Automate builds, tests, and deployments using CI / CD pipelines

Participate in code reviews, Agile ceremonies and contribute to continuous improvement initiatives

Troubleshoot and resolve technical issues across environments

Mentor junior developers and contribute to knowledge sharing within the team

What You'll Bring | Nga pukenga me nga wheako

Must-Have :

Extensive professional experience (10+ years) in back-end development of enterprise applications

Strong experience with .

NET Core, C#, and relational or NoSQL databases (e.g., SQL Server, PostgreSQL, or Cosmos DB)

Experience designing, building and consuming

RESTful APIs

Hands-on experience with

Azure

services (e.g., Azure App Services, API Management, Azure SQL, Cosmos DB)

Understanding of software architecture, design patterns, and security best practices

Experience working in Agile environments (Scrum / Kanban)

Excellent communication and collaboration skills

Nice-to-Have : Experience with

message-based architectures

(e.g. using Azure Service Bus, Event Grid)

Familiarity with

containerisation

(e.g., Docker, Kubernetes)

Familiarity with

CI / CD pipelines

and build automation tools (e.g., Azure DevOps, GitHub Actions)

Knowledge of

DevOps

principles and Infrastructure as Code (e.g., Bicep, Terraform)

Experience with

automated testing.

Exposure to

AI tools

(e.g., GitHub Copilot, Cursor, Windsurf, Claude Code or Roo Code) to support development

Microsoft certifications (e.g., AZ-204, AZ-400)

About us | Mo matou

Our team of 280+ experts span software development, data and insights, cloud transformation, integration, cyber security, and more.

We're proud to be a

Microsoft and AWS partner

, and we're deeply committed to

inclusivity, sustainability, and Te Ao Maori

Our values are :

Our people are our greatest asset.

We conduct business ethically.

Invention, imagination and creativity are the foundation for growth.

We work with positive energy, enjoyment, humour and work / life balance.

Excellence is our passion, and we deliver what we promise – or more!

We strive to take a pragmatic approach to all of our activities

We value and appreciate our natural environment and seek to play our part to maintain it

Benefits of working at Theta | Nga hua ka puta i te mahi ki Theta

Theta offers a family friendly work environment with flexible work hours where practical; especially relevant for caregivers.

We embrace gender equality and are committed to providing a supportive, diverse and inclusive work environment throughout our workplace.

Theta is committed to giving back to the community and are avid supporters of Cure Kids.

We compete in various adventure races and do many other things to raise money for Cure Kids.

And we make time for the fun things in life!

We currently provide the following benefits to ensure your professional development and personal wellbeing :

Professional growth and learning opportunities

A competitive salary (commensurate with experience)

Fully subsidised medical insurance for employees

Heavily discounted medical insurance for immediate family of employees

Enhanced parental leave payment – salary top-ups plus return-to-work incentive

Hybrid working model (minimum 2 days in the office)

Volunteer days

Internal Referral Incentive

Staff Assistance Programme

Annual Flu injections

Sick leave from your first day on board

Remote working options where practical and mutually agreed

Daily fresh fruit basket, coffee machine, wide selection of teas and biscuits in all of our offices

We are also an accredited employer with INZ

Please note

: Potential employees will be required to consent to a Ministry of Justice check (and potentially a credit check)

We are only accepting applications from candidates who are

currently residing in NZ

and have the relevant visas

Apply now | Tono inaianei

Ready to take your career to the next level?

We would love to hear from you!

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