Full-time: Hybrid Manchester or London £120,000 per annum D.O.E As a Lead Engineer (IC4) at Lunio, you set the technical direction for a domain and lead delivery of cross-team initiatives. You make pragmatic architectural choices, uphold reliability, and reduce risk through strong engineering standards. You lead by example, you implement and deliver working solutions on an ongoing basis. You mentor seniors, multiply team effectiveness, and partner with Product and Engineering leadership so the squad ships measurable customer and business outcomes. Key Responsibilities

• Own the roadmap and strategic direction for a high impact product area aligned to company level revenue goals. Articulate not just what gets built and why, but what doesn't, and the commercial logic behind those trade-offs.
• Translate customer and commercial problems into validated opportunities using disciplined discovery and lightweight experimentation.
• Drive initiatives from concept to release with pace and clear scope control.
• Define success metrics up front and hold the line on measuring real adoption and commercial impact.
• Make explicit trade offs between speed, quality, and long term architecture in partnership with engineering and commercial teams.

What makes a great Staff Engineer at Lunio?

• Set technical direction for your domain: define architecture and boundaries, write/drive technical decision records, and align plans across squads and stakeholders.
• Lead cross-team delivery: break down ambiguous, multi-service work, coordinate execution, land outcomes incrementally with clear trade-offs.
• Own reliability & operations: establish service performance metrics, lead incidents, drive post-incident actions to completion, and reduce recurring toil.
• Raise the engineering bar: set practical standards for testing, security, performance, and observability, act as approver on high-risk PRs.
• Grow people & practices: mentor seniors/engineers, uplevel code reviews and design reviews, and nurture inclusive, psychologically safe collaboration.
• System Ownership: own the full software development lifecycle not only for your changes, services you worked on, but instead for all changes that affect any part of our system.

If you think you've got what it takes to be the next Staff Engineer at Lunio we can't wait to hear from you and have you join our journey!

Apply below by attaching your CV & answering the 3 screening questions 🚀🔥

💡Application Guidance💡 Before you hit apply… We've ditched the traditional cover letter (you're welcome) and replaced it with three short questions. Think of them as your chance to show us who you are beyond your CV: no fluff, no filler, just the good stuff.

Please ensure that you answer all 3 questions. We genuinely read every answer, but we can only review applications where all three are completed.

Now, here's the slightly ironic bit; we're a company that champions AI every single day, but for this part of the process, we'd love you to leave it on the bench. These questions are about getting to know you, your thinking, your experiences, your voice. AI can't do that justice.