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Senior/Staff Backend Engineer - Search

SafetyCulture -
Sydney NSW

Apply Now

Job Details

Permanent | Full-time

Qualifications

Law
AWS
PostgreSQL
Back-end development
AI

Full Job Description

Why join us?

We’re a global tech company, just not the kind you’re picturing.

Sure, we’ve got catered lunches, team events, cool merch, and yes... dogs in the office. But that’s not why people join.

Our team of nearly a thousand people wakes up every day to make our product and our customers’ lives better. At SafetyCulture, you’ll hear “yes, let’s give it a shot” more often than “that’s not how we do things here.”

People join because we’re building tools that make work better for the 3 billion people who keep the world moving - factory floor operators, baggage handlers, truck drivers, servers, store assistants. The ones who make things happen. We’ve got the scale and innovation you’d expect from big tech. The difference? No endless layers of sign-off. No corporate theatre. Just smart, experienced people solving real problems fast .

The scale is big. But the ownership’s personal. Every full-time team member gets equity - real skin in the game. When we grow, you do too. We’re not perfect, no company is. But this next chapter of our growth is about scaling with intelligence, not just size - fueled by operational maturity, a clear vision, and a strong focus on AI.

This is big tech impact, without the big tech ick. If that excites you more than it scares you, you’ll fit right in.

What do SafetyCulture Engineers do?

Our mission and your opportunity is to help solve the challenges faced in an increasingly distributed workforce. In short, to shape Engineering excellence, nurture emerging Engineering talent and build out an inclusive, high-performing interdisciplinary team.

As a Senior Software Engineer, you'll be empowered to manage complex architectural decisions and drive change. You'll own the delivery of practical solutions to solve real-world problems for customers, with the knowledge that what you build has an immediate positive impact. For this role we're specifically looking for someone who has built large scale multi-tenanted search systems.

You'll face exciting technical challenges as we scale, and be an integral part of the engineering team. High-performing teams here own their services, and you're trusted to build and run a system that serves millions of users while transforming it into a system that will serve tens of millions of users in the near future. We empower engineers to learn new skills and use technology to solve customer problems, including initiatives in IoT, machine learning, and event-driven architecture.

This role is part of our Best Fit job match program. We have a variety of Software Engineering roles, by applying to this role will be considered for multiple roles across our engineering teams. We want to set you up for success in your role so we assess your capabilities and then match you up to the best team.

In this role you can expect to:

Design, build and operate large-scale search across front end and back end, in a stack of React, TypeScript, Golang, PostgreSQL and OpenSearch running on AWS.
Own the search relevance and retrieval-quality. Define how relevance is measured, then drive it up through ranking, query pipelines, and tuning.
Lead search architecture: indexing strategy, hybrid retrieval (combining lexical text search with semantic/vector search), embeddings, and ranking, including the trade-offs each involves.
Build AI-native applications, connecting retrieval to LLM-powered experiences (e.g. RAG), and stay at the bleeding edge of agentic coding tools.
Provide technical leadership guiding search architecture, execution, and cross-functional collaboration to deliver impactful outcomes.
Own search feature delivery end-to-end: breaking down requirements with stakeholders, partnering with Product and Design, supporting other engineers, and ensuring successful delivery.
Articulate effort-vs-impact trade-offs, including build-vs-buy decisions.
Keep search operable at scale, performance, observability, and cost as data volume grows.
Drive high-performance team outcomes by setting rigorous engineering standards, mentoring peers, and improving team practices for quality, velocity, and collaboration.
Demonstrate SafetyCulture's values (Think Customer; Open, Honest, Always; Better as a Team; Be Bold, Bring Action).

You may be a great fit for this role if you have some of the following:

Deep search / information-retrieval expertise: lexical text search (inverted indexes, BM25-style ranking), semantic and vector search (embeddings, approximate nearest-neighbour), hybrid retrieval, and relevance tuning.
Hands-on with RAG: chunking, retrieval pipelines, grounding model outputs, and evaluating retrieval quality.
Proven track record building search capability into new or existing applications that retrieve information at scale in a multi-tenanted architecture.
Strong OpenSearch / Elasticsearch operating experience at scale, including how segment merging works and the operational challenges that architecture presents.
A systems thinker who decomposes large problems into small ones and teaches less experienced engineers to do the same.
Works autonomously and is comfortable making the call without waiting on sign-off; co-owns technical and product direction rather than building to someone else's spec.
Influences where the product goes, not just how it gets built.
Thrives in a small team at a fast pace, comfortable with little formal process and structure.
If you have used turbopuffer in production before, let us know!

What Do I Get Access To When Working at SafetyCulture?

Equity with high growth potential, and a competitive salary.
Access to professional and personal training and development opportunities.
Participation in hackathons, workshops, and lunch & learn sessions.
Community involvement, open source work, attending talks and events, and experimenting with new technologies

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 SafetyCulture 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 SafetyCulture via Youtube, Twitter, Instagram and LinkedIn.

To all recruitment agencies, we do not accept resumes or partnership opportunities. Please do not forward resumes to SafetyCulture or any of our employees. We are not responsible for any fees associated with unsolicited resumes.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Apply Now

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