Senior Full Stack Developer

Socialite Recruitment Ltd.; Wellington; On-site; NZD 120,000 - 180,000; Full time

Job summary

Socialite Recruitment Ltd. is seeking a Senior C# Developer to help shape the future of AI-driven development. You will architect core platforms using the Microsoft stack and lead AI workflow integration within the development lifecycle.

You will mentor an Agile team, deliver robust REST APIs, and explore LLM-powered features from RAG patterns to autonomous agents, while upholding high testing standards and modern CI/CD practices.

Qualifications

• Deep production experience with C#, .NET, ASP.NET, and SQL Server.
• Proven track record building robust REST APIs and clean, testable code.
• Agile mindset with mentoring and team collaboration.
• Curiosity about how LLMs are changing software engineering.
• Full-stack development experience with Angular or React.

Responsibilities

• Architect & Build: Lead design and development of core enterprise platforms using modern Microsoft stacks.
• Pioneer AI Workflows: Integrate tools like Copilot, Claude Code, and Cursor into daily development.
• Innovate Features: Build AI-powered capabilities including LLM integrations and RAG architectures.
• Mentor & Lead: Collaborate with an Agile team, promote best practices, and improve CI/CD pipelines.

Skills

C#

.NET

ASP.NET

SQL Server

REST APIs

Agile

LLMs

Angular

React

Job description

Shape the Future of AI-Driven Development

This company are building a different kind of product team—one that pairs rock-solid software engineering with the absolute cutting edge of AI-assisted workflows. If you are a Senior C# Developer who loves shipping high-quality code and wants to pioneer how software gets built in the AI era, we want you hear from you!

Your Role & Impact

• Architect & Build: Lead the design and development of the core enterprise platforms using modern Microsoft stacks.
• Pioneer AI Workflows: Champion modern engineering by integrating tools like Copilot, Claude Code, and Cursor into the daily development lifecycle.
• Innovate Features: Build actual AI-powered product capabilities, from LLM integrations to RAG architectures and autonomous agents.
• Mentor & Lead: Collaborate with an Agile team, share best practices, and level up our automated testing and CI/CD pipelines.

What We Are Looking For

• Deep production experience with C#, .NET, ASP.NET, and SQL Server.
• A track record of building robust REST APIs and clean, highly testable code.
• An Agile mindset with a genuine enthusiasm for mentoring and team collaboration.
• Deep curiosity (or hands‑on experience) regarding how LLMs are changing software engineering.
• Full-stack development experience highly regarded including frontend frameworks like Angular or React

Extra Points For Experience With:

• Prompt engineering or building with LLM APIs.
• RAG patterns and agentic workflows.
• Advanced automated testing and modern DevOps practices.

What You’ll Get In Return

• A seat at the table to shape the technical architecture and AI engineering playbook.
• A high-performing environment focused on continuous learning and real innovation.
• Competitive compensation, modern tech stacks, and a culture that values engineering excellence over bureaucracy.

Is This YOU?

Please, only apply if you are currently able to live and work in NZ, we are not able to offer sponsorship for this role.