Technical Lead (Architecture Focus) - Full Stack

About Theta

Theta is a New Zealand-owned technology consultancy with over 30 years of experience, operating from offices in Auckland, Wellington, Christchurch, and Tauranga. We partner with leading organisations across Aotearoa to deliver effective, innovative digital solutions. Our team of around 280 diverse and skilled professionals values inclusivity, ethical business practices, creativity, and a pragmatic approach to delivery.

Role Overview

We are expanding our team and seeking a senior Technical Lead with a focus on software architecture and full-stack development to join our Auckland-based customer-facing delivery team. This role involves leading the modernisation of a critical platform for a significant global client by modernising mixed .NET and Angular applications hosted on Azure. The position requires hands-on involvement in architecture, technical leadership, and close collaboration with engineers and stakeholders to transition from legacy systems to modern, robust platforms.

Key Responsibilities

• Design and develop application architecture for a mixed .NET environment, spanning legacy .NET Framework 4 to contemporary .NET technologies.
• Create and implement a modernisation strategy ensuring new development adheres to clean, maintainable standards while progressively upgrading legacy components.
• Provide technical leadership across backend, frontend, and integration layers.
• Establish stable SPA/API integration patterns for frontend squads to reliably build against.
• Lead collaborative workshops with engineering teams, product owners, and client stakeholders, offering technical guidance during sprint reviews and releases.
• Communicate technical decisions clearly to both technical teams and non-technical stakeholders including executives.

Initial 6-12 Month Objectives

• Define a practical roadmap for modernising the .NET application landscape.
• Enhance software development practices focusing on consistent APIs, versioning, and integration governance.
• Elevate engineering standards involving architecture, coding, and CI/CD pipelines.
• Help address technical debt effectively without compromising delivery pace.
• Build trust as a key technical advisor for the team and customer leadership.

Required Skills and Experience

• Extensive hands-on experience with both legacy .NET Framework and modern .NET platforms in commercial settings.
• Strong full-stack development skills with emphasis on Angular frontends and backend integration.
• Familiarity with a leading SPA framework, preferably Angular, capable of evaluating component architectures and supporting stable frontend/backend interactions.
• Proven experience in technical leadership, mentoring, and setting development standards within engineering teams.
• Proficient with Azure cloud services including App Services, Azure Functions, API Management, Azure SQL, and Service Bus.
• Sound understanding of web application security principles and secure API design.
• Excellent client-facing communication, able to clearly convey complex technical concepts to non-technical audiences.

Desirable Qualifications and Knowledge

• Understanding of Zero-Trust security models, DevSecOps, and financial operations (FinOps).
• Certifications such as Microsoft Certified Azure Developer Associate, Azure Solutions Architect, or iSAQB Certified Professional for Software Architecture.

Company Culture and Values

• We prioritize our people as our greatest asset.
• We conduct our work ethically and with integrity.
• Innovation and creativity fuel our growth.
• We maintain a positive work environment promoting balance, enjoyment, and humor.
• Excellence and reliability are central to our delivery.
• Pragmatism guides our business decisions.
• Environmental stewardship is important; we actively seek to preserve our natural surroundings.

Employee Benefits

• Opportunities for professional development and continuous learning.
• Competitive salary tailored to experience.
• Hybrid work arrangement requiring at least two days in-office weekly.
• Fully covered medical insurance for employees and substantially discounted coverage for immediate family.
• Enhanced parental leave benefits including salary top-up and return-to-work incentives.
• Volunteering leave days, internal referral bonuses, staff assistance programs, and annual flu vaccinations.
• Immediate entitlement to sick leave starting from day one of employment.
• Remote working flexibility when practically feasible and mutually agreed.
• All offices provide daily fresh fruit, coffee, tea, and biscuits.

Additional Information

Applicants must currently reside in Auckland and hold the required visas to be considered. Employment will be subject to consent to a Ministry of Justice criminal record check.