Search Engineer

Full-time · Remote

Firmable is the market-leading B2B sales-intelligence platform in Australia & New Zealand — and we're now scaling that success worldwide at speed. Backed by leading investors, we help businesses outperform by understanding more about their leads, customers and candidates than ever before.

We're building a team of curious, collaborative builders who thrive in fast-moving start-ups. This is your chance to
define how we help our customers find the most relevant prospects using frontier AI capabilities
— set the playbook for how smart search transforms sales intelligence globally.

As a core member of the
Search
team, with deep expertise in Elasticsearch/OpenSearch and latest AI tech to architect, build, and optimise our search features, you will play a pivotal role in designing scalable, global search solutions, developing custom query pipelines, and integrating AI-driven enrichment into our search stack.

What you'll do

Responsibilities

• Design & implement search solutions
  : Architect and develop advanced search features using OpenSearch/Elasticsearch/ELK, including custom analysers, tokenisers, and scoring algorithms.
• AI/ML/LLM powered search
  : Leveraging LLMs and AI for data enrichment and improved search relevance.
• Index & template management
  : Create and maintain index templates, mappings, and lifecycle policies to ensure data integrity, performance, and scalability.
• Query pipeline development
  : Build and optimise custom query builders and search pipelines tailored to complex business requirements.
• API development
  : Develop and maintain robust, scalable APIs for search using Python (FastAPI).
• Testing & quality assurance
  : Lead efforts in integration, regression, and performance testing to ensure reliability and accuracy of search features.
• DevOps & automation
  : Automate deployment and management of search infrastructure, including index templates and search pipelines.
• Collaboration
  : Work closely with data engineers and product teams to deliver high-quality search experiences.

What you bring

• 5+ years of experience
  with Elasticsearch or OpenSearch in production environments.
• Experience
  with AI/LLM-based search experiences such as RAG, learning to rank and query understanding.
• Expert level expertise in Python
  , with experience building APIs (preferably FastAPI).
• Deep understanding
   of search concepts: analysers, tokenisers, relevance tuning, custom scoring, and query DSL.
• Experience with index template management
  , lifecycle policies, and large-scale data modelling.
• Proficiency in designing and optimising search pipelines
   and custom query builders.
• Must have practical hands-on experience
  developing software using AI-assisted tools and workflows such as
  Cursor, Co-pilot, and Windsurf
• Strong testing background
  : integration, regression, and performance testing.
• DevOps skills
  : automation, CI/CD, and cloud infrastructure (AWS preferred).
• Excellent communication
   and collaboration skills.
• Experience
  with S3, AWS Lambda, and cloud-native architectures.

Why you'll love Firmable

• Green-field impact
  — define our applied-AI playbook from scratch.
• Unique data at scale
  — experiment on one of the largest proprietary business datasets in the world.
• Remote-first flexibility
  — work flexibly and set core hours that suit your life.
• Small senior team
  — less bureaucracy, quicker decisions, visible results.
• Cutting-edge problems
  — work on agentic workflows, semantic search and next-best-action models with real customer impact.
• Collaborative culture
  — join builders who value curiosity, innovation and rapid learning.

Ready to invent the next generation of AI-powered intelligence for sales teams worldwide?
Apply now — let's talk