Senior Solutions Engineer — Open Finance Pre-Sales

Kraken; Portugal; On-site; EUR 70,000 - 100,000; Full time

Job summary

Kraken, a Payward company, is seeking a seasoned technical pre-sales professional to partner with sales on discovery, solution design, and PoC delivery for fintech customers. You will map customer architectures, design tailored integrations, and drive PoCs from conception to handoff to implementation.

Join a high-impact team that works with REST/WebSocket APIs, OAuth/JWT security, and complex fintech integrations to close strategic deals and inform product roadmap decisions.

Qualifications

• 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.
• Strong knowledge transfer skills - packaging a solution design for an implementation team.
• Clear, structured communicator who can run a discovery call, a design review, and a handoff debrief.

Responsibilities

• Run technical discovery with prospective customers alongside sales and our Partner Solutions Lead - map their architecture, constraints, and compliance needs to our product suite (Embed, Ramp, Earn, xStocks, CF Benchmarks)
• Surface recurring customer asks and product gaps from your deals and feed them to the Solutions Architect to inform the roadmap
• Design tailored solutions spanning our existing offerings, customizations to those offerings, bespoke integrations built on top of our 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 our Implementation team - delivering PoCs, solution design docs, and knowledge transfer sessions that ensure what was promised gets built
• Execute the pre-sales playbook - discovery frameworks, solution templates, PoC standards, and handoff runbooks - and contribute improvements back to the team as you learn what works

Skills

Technical pre-sales

REST/WebSocket APIs

OAuth/JWT

Integration design

RFP writing

Clear communication

Job description

Kraken, a Payward company, is seeking a seasoned technical pre-sales professional to partner with sales on discovery, solution design, and PoC delivery for fintech customers. You will map customer architectures, design tailored integrations, and drive PoCs from conception to handoff to implementation.

Join a high-impact team that works with REST/WebSocket APIs, OAuth/JWT security, and complex fintech integrations to close strategic deals and inform product roadmap decisions.