Top Tech Jobs & Startup Jobs

Lead client onboarding and end-to-end integrations for fraud and compliance products. Analyze technical and functional requirements, design scalable solutions, manage implementation projects, maintain API and SDK documentation, support clients throughout deployment, mitigate risks, and coordinate deliverables across internal and external technical teams. Provide product feedback based on customer needs and use SQL, JSON, APIs, scripting, and web development tools to build integrations and internal solutions.

Serve as a technical advisor to prospective customers, supporting Account Executives with fraud and compliance discovery, customized product demonstrations, RFPs, security reviews, and solution designs. Collaborate with Product and Engineering to improve Sardine’s platform and sales processes. Communicate complex technical and business concepts to global clients and contribute to revenue growth in a remote-first environment.

Own integration program plans for complex enterprise engagements, including milestones, dependencies, timelines, feature requests, governance, RACI structures, communications, and project-health reporting. Serve as the primary client contact, coordinate Engineering, Product, Integrations, and Solutions teams, manage risks and expectations, and provide technical insight to help prioritize and resolve client needs across concurrent engagements.

Conduct applied research on foundation models for real-time fraud detection using large-scale behavioral and sequential data. Design experiments, benchmarks, holdouts, and monitoring systems; develop models from data preparation through deployment; and optimize training and inference efficiency. Collaborate with engineering, client-facing teams, legal, compliance, and customers to productionize models and establish explainability, governance, and risk documentation.

Own procurement as the company’s first in-house buyer, managing sourcing, vendor relationships, negotiations, contracts, renewals, and purchasing decisions across software, IT, marketing, travel, events, and professional services. Build procurement processes, improve spend visibility, drive savings, guide stakeholders, and coordinate vendor security, privacy, and contract-risk reviews with Finance, Legal, and Security.

Lead frontend design and delivery of AI product experiences using React and TypeScript, mentor engineers, set frontend standards, use AI-assisted tooling, and contribute to backend services in Go and product roadmaps.

Own new business sales for Sardine’s crypto vertical, targeting exchanges, wallets, custodians, on/off-ramps, stablecoin issuers, and blockchain ecosystems. Build pipeline through conferences and industry relationships, lead multi-stakeholder discovery, position integrated fraud and compliance solutions, and structure and close complex multi-module platform deals. The role requires crypto-specific buyer relationships, fluency in AML, KYC/KYB, and sanctions, collaboration with executives and Solutions Engineering, and frequent travel to conferences and client sites.

Manage strategic enterprise accounts for a fraud, payments, and compliance platform. Responsibilities include owning customer relationships, driving expansion and upsell opportunities, leading implementations and go-lives, providing technical fraud and compliance advisory, monitoring performance KPIs, and partnering with solutions, data, engineering, and product teams. The role requires fluent Portuguese, English, and Spanish, extensive B2B SaaS account management experience, and expertise in payments, fraud, crypto, or compliance within the Brazilian market.

Manage full-cycle recruitment for go-to-market roles across the United States and Canada. Responsibilities include sourcing candidates, partnering with hiring managers on requirements and hiring strategies, advising on market conditions and recruiting funnels, managing candidate experiences, and improving recruiting processes. The role requires strong knowledge of B2B SaaS hiring, data-driven recruiting, ATS tools, People Operations, and fast-paced startup environments.

Manage strategic B2B SaaS customers as their primary point of contact, maximize product ROI, advise on fraud and compliance best practices, translate technical challenges into solutions, monitor KPIs, and coordinate internal teams. The role requires strategic account management, customer-facing communication, project coordination, analytics, and expertise in fraud, payments, compliance, or AML/KYC, with a focus on banking customers and API integrations.