Technical Lead (Architecture Focus) - Full Stack (Contract)

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. Lead the modernisation of a mission-critical platform for a major global customer Take the next step in your career with a bold move to a highly regarded, New Zealand-owned technology company. We offer a creative and stimulating work environment and value and respect inclusivity and diversity. Role Overview Demand for our serviceshas grown steadily, andwe'reexpanding our team. We're looking for a senior Technical Lead (Architecture Focus) - Full Stack to join a customer-facing delivery team supporting a major global customer in Auckland. This is a 6 month plus contract opportunity , a hands-on software architecture and leadership role focused on modernising a mixed .NET/Angular estate, shaping architecture patterns for Azure-hosted applications, and lifting engineering standards across the team. You'll work closely with engineers, solution architects, product stakeholders, and customer leadership to define a pragmatic path from legacy to modern. While a significant part of the role involves application architecture and technical direction, this is fundamentally a full-stack leadership role where you will work side-by-side with engineers and stay close to delivery. Key Responsibilities Define and evolve application architecture across a mixed .NET estate, from legacy .NET Framework 4 through to modern .NET) Set the modernisation roadmap, ensuring new work follows clean, sustainable patterns while legacy components are uplifted incrementally. Lead full-stack technical direction across backend, frontend and integration boundaries. Shape SPA/API integration patterns, ensuring frontend squads have well-designed, stable and versioned contracts to build against Facilitate workshops with engineering squads, product owners, and customer stakeholders, and provide technical guidance through sprint reviews and release gates. Be the technical voice in customer-facing conversations — able to explain design decisions clearly and confidently to non-technical stakeholders. In your first 6-12 months, you will: Help define a pragmatic modernisation roadmap across the .NET estate Improve adherence to software development best practices, including API consistency, versioning, and integration governance Lift engineering standards across architecture, development, and CI/CD practices Help reduce priority technical debt without slowing delivery' placeholder that I inadvertently left. That must not appear in the final content. We must ensure that the ` ` tags are closed properly. We must not include any non-structured tags. Continuing building the final output: After we fix, the final description will be: ``` We are Theta , ... ... Help define a pragmatic modernisation roadmap across the .NET estate Improve adherence to software development best practices, including API consistency, versioning, and integration governance Lift engineering standards across architecture, development, and CI/CD practices Help reduce priority technical debt without slowing delivery Become a trusted technical adviser to both the team and the customer Must mandatory mandatory mandatory mand Deep, hands-on experience with modern .NET and legacy .NET Framework in a commercial environment Strong full-stack experience (Angular emphasis), with the ability to work effectively across backend, frontend and integration concerns Good knowledge ... Proven technical leadership ... Azure-based experience ... Solid grounding etc. Strong client-facing communication skills... Good to have, but not required: Knowledge of Zero-Trust security,DevSecOps and FinOps. iSAQB Certified Professional for Software Architecture ... etc.` I will now rewrite the whole description correctly without stray characters. Also must ensure that headings are ` ` tags and no ` ` tags remain (other than converted to ` `). No ` `. All ` `, ` `, ` `, ` `, ` `, ` ` only. Also ensure no consecutive ` ` beyond one. Not present. Now I'll compose the final JSON precisely with the correct string. NOTE: I must escape newlines as ` ` in the JSON string. Will use triple backticks only inside JSON string when building but not to output. But ChatGPT can produce JSON with actual line breaks? It's safer to use ` `. Proceeding to generate final JSON. Start output. #J-18808-Ljbffr