Senior Fullstack Engineer

Why join us? Mitti by SafetyCulture is a global tech company, just not the kind you're picturing. Our almost 1,000-person team builds tools that make work better for the three billion frontline workers who keep the world moving. We've got big tech scale, without the sign-off layers or corporate theatre. Every permanent team member gets equity, so when we grow, you do too. This next chapter is about scaling smart, powered by AI, a clear vision and real ownership. Big tech impact, without the big tech ick. The Role This role exists to help build a new generation of industry-specific applications on top of the Mitti platform. You'll work in a small, fast-moving team with significant autonomy, building deeply tailored experiences for specific customer segments rather than extending a generic product flow. Key Responsibilities Design and build product features end-to-end across frontend, backend, and mobile, with a lean towards frontend and React Native Make fast, pragmatic trade-off decisions about when to integrate with existing platform systems versus building independently Navigate dependencies with platform teams — knowing when to contribute to shared infrastructure versus shipping what the team needs now Partner closely with a principal engineer and cross-functional teammates to explore requirements, pressure-test technical approaches, and iterate quickly Build AI-native features as the product matures, contributing to platform capabilities the broader engineering organisation can build on Communicate trade-offs and constraints clearly so expectations stay grounded in engineering reality Contribute to code review and help raise the technical bar through direct, collaborative engagement with peers About You Technical Skills Strong frontend engineering capability with solid React experience; React Native experience is a strong advantage Comfortable with backend development in TypeScript or Go — Go experience is a bonus, and the right person will pick it up with support Experience building in product-focused, fast-iteration environments — ideally in a SaaS startup or scale-up Able to build new applications while navigating and integrating with existing systems — comfortable working outside of greenfield environments Actively uses agentic coding tools as a core part of how you work, not just occasionally Product-minded: able to co-own direction with a product manager, make sensible scope calls, and understand the "why" behind what's being built Behavioural Skills Comfortable with ambiguity — picks up loosely defined requirements and drives towards a solution without waiting for a perfect brief Assertive and direct: able to push back constructively, frame trade-offs clearly, and have honest conversations up and across the team Fast and decisive: makes calls, ships, and course-corrects rather than over-engineering before moving Collaborative without being passive — seeks to understand existing systems, debates trade-offs with peers, and lands on better outcomes together Self-directed and hungry: identifies what needs doing and goes after it without close management AI Skills Uses agentic coding tools (such as Claude or similar) as a primary part of the development workflow Able to prompt effectively, evaluate AI-generated code for quality and logical soundness, and apply human judgement where it matters Curious about building AI-native product features and how AI is changing what's worth building Success Looks Like At 3 months: shipped meaningful features, made sound integration trade-offs, and built a strong working relationship with your principal engineer and team Makes technical calls independently and confidently — escalates with options and trade-offs, not just problems Keeps iteration cycles fast by unblocking independently and flagging real blockers early At 6 months: features are in customers' hands, performing well, and you've contributed to how the team works — not just what it delivers More than a job Equity with high growth potential, and a competitive salary Flexible working arrangements Access to professional and personal training and development opportunities Hackathons, Workshops, Lunch & Learns In-house Culinary Crew serving up daily breakfast, lunch and snacks Barista coffee machine, craft beer on tap, boutique wines and a range of non-alcoholic beverages Wellbeing initiatives such as EAP services and generous parental leave policy Quarterly celebrations and team events On-site gym, table tennis, board games, books library, and pet-friendly offices We’re committed to building inclusive teams and cultivating a sense of belonging so our people can bring their whole authentic selves to work each day. We seek to make reasonable adjustments throughout our recruitment process to create an even playing field for all candidates. Thanks to the tireless efforts of the entire Mitti team we’ve built an incredible culture which has seen us recognised as a Best Place to Work in Australia , the US and the UK . Even if you don't meet every requirement listed in the ad, please consider applying for this role. We prioritise inclusion and value individuals with potential over a checklist of qualifications. Don't rule yourself out, hit that apply button if this job resonates with you You can find out more about life at Mitti via Youtube , Twitter , Instagram and LinkedIn . To all recruitment agencies, we do not accept resumes or partnership opportunities. Please do not forward resumes to Mitti or any of our employees. We are not responsible for any fees associated with unsolicited resumes.