Staff Software Engineer - Internal Tooling
About Mutinex
We're an early-stage B2B SaaS startup with a proven platform, big-name clients, and millions in revenue. We're not chasing unicorn status; we're building a sustainable, long-lasting business (think Bowhead Whale!). Mutinex helps marketers understand their ROI and make smarter decisions with their budget.
We're a hybrid team based in Sydney, Melbourne, and New York. We value communication, open-mindedness, and a culture of feedback. All staff receive equity (ESOP), and we offer increasing annual leave based on tenure.
The Role
As a Staff+ Software Engineer in our Internal Tooling team, you'll drive efficiency across Mutinex. You'll lead the charge in applying cutting-edge technologies, especially agentic AI, to revolutionize internal processes and automate the entire product delivery lifecycle. This is a high-impact, highly visible role with significant ownership, offering the chance to shape not just our company culture, but the future of how we build and deliver products.
What You'll Do:
- Architect and deliver AI-powered solutions to automate workflows across the entire product delivery lifecycle.
- Own and evolve foundational shared infrastructure.
- Drive strategic internal process automation to eliminate toil and accelerate development cycles.
- Collaborate with cross-functional teams to develop impactful tooling solutions that transform how we work.
- Provide technical vision and leadership, fostering a culture of excellence and innovation.
- Champion research and innovation in AI, software development, and DevOps, with a focus on applying new technologies to the product delivery lifecycle.
Success in 6 Months:
- Developed a deep understanding of Mutinex's entire product delivery lifecycle, identifying key areas ripe for automation and AI-driven transformation.
- Built strong relationships with Product, Engineering, and other stakeholders across the product delivery lifecycle.
- Delivered a robust Internal Tooling roadmap focused on delivering Product value and internal automation
- At least 1x major initiative delivered
What You'll Bring:
- Passion for AI and automation, particularly agentic AI, and its application to the product delivery lifecycle.
- Expertise in cloud-native technologies (GCP experience is a bonus!).
- Strong DevOps foundation (CI/CD, infrastructure-as-code, monitoring).
- Proven technical leadership and mentorship skills.
- Exceptional communication skills.
- Bonus: Experience with specific agentic AI frameworks, contributions to open-source projects related to tooling, automation, or AI, experience with data engineering and building data pipelines, familiarity with low-code/no-code platforms for internal tooling.
Ready to join us?
If you're passionate about building tools that empower teams across the organization and are excited about the potential of AI to transform internal operations, we'd love to hear from you. Send us your resume and a brief cover letter explaining why you're excited about this opportunity.
- Department
- Engineering
- Locations
- Sydney office
- Remote status
- Hybrid

Colleagues
About Mutinex
Mutinex is the end to end market mix solution that helps marketers, media leads, agencies, analytics and finance teams identify and optimise the different factors that drive sustainable business growth.
Staff Software Engineer - Internal Tooling
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