Senior Solutions Engineer - Payward Services

Payward Services is Kraken's B2B infrastructure division. They sell crypto trading, fiat rails, yield, tokenized equities, and compliance to fintechs, neobanks, and institutions, enabling them to offer crypto without building it themselves. Bunq is already live on their stack with multiple other companies in the implementation phase. The team is scaling to match.

• 4+ years in a technical pre-sales role (solutions engineering or solutions architecture) at a B2B API or infrastructure company.
• Proven track record executing the technical pre-sales motion: discovery, solution design, PoC delivery, and deal-winning.
• Fluency with REST/WebSocket APIs, auth patterns (OAuth, JWT), webhook architecture, and integration debugging.
• Experience designing and building complex integrations for technical buyers at fintechs, banks, or neobanks, including customizations and bespoke work.
• Strong knowledge transfer skills to package solution designs for implementation teams.
• Clear, structured communicator capable of running discovery calls, design reviews, and handoff debriefs consecutively.
• Experience writing RFPs and documenting solution approaches that clearly communicate how the product and customizations solve customer problems.

Nice to have:

• Crypto domain knowledge including trading, custody, KYC, staking, fiat ramp mechanics.
• Experience with embedded finance or crypto-as-a-service products.
• Experience with Coast and building proof of concept sales demos inside Coast.
• Hands-on experience with AI development tools (Claude Code, Cursor) for rapid prototyping.

The Opportunity:

• Run technical discovery with prospective customers alongside sales and the Partner Solutions Lead, mapping their architecture, constraints, and compliance needs to the product suite (Embed, Ramp, Earn, xStocks, CF Benchmarks).
• Surface recurring customer asks and product gaps from deals and feed them to the Solutions Architect to inform the roadmap.
• Design tailored solutions spanning existing offerings, customizations, bespoke integrations on the platform, or hands-on work directly in the customer's codebase.
• Scope and build proof-of-concepts that demonstrate technical feasibility and win the deal.
• Own a clean, structured handoff to the Implementation team, delivering PoCs, solution design documents, and knowledge transfer sessions to ensure what was promised gets built.
• Execute the pre-sales playbook including discovery frameworks, solution templates, PoC standards, and handoff runbooks, contributing improvements back to the team.

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