Company Overview Doublet Engineering Pte Ltd is a Singapore-based contractor specializing in A&A works, interior renovation, waterproofing, and bespoke pond and water feature design-build projects. We deliver trusted, client-focused solutions across residential and commercial sectors. Job Summary The Sales & Marketing Executive will drive revenue growth by converting enquiries into projects, enhancing brand presence, and supporting project and management teams with structured marketing and client-experience workflows across construction and water-feature divisions. Responsibilities Convert inbound enquiries from WhatsApp, website, referrals, and walk-ins into confirmed projects by engaging clients and managing follow-ups until deal closure Conduct site visits to assess client requirements and prepare detailed briefs for project estimation Generate proposal and prepare accurate cost estimates and present proposals that clarify scope and encourage client commitment Upsell maintenance pac...