Senior Back-End Developer

Wellington
Permanent
Full-time

20 days ago

Job Description:Who We Are | Ko wai mātouWe 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 | Mō tēnei tūranga mahiWe'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 | Ngā 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 | Ngā pūkenga me ngā wheakoMust-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 | Mō mātouOur 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 Māori.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 | Ngā hua ka puta i te mahi ki ThetaTheta 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 visasApply now | Tono ināianeiReady to take your career to the next level? We would love to hear from you!

Theta

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