Spain | Remote | Senior Engineering Opportunity MaxIT
Consulting – Max Corporate Group is looking for a Senior Full-Stack
Engineer, Consumer Fintech to join a fast-growing New York fintech
company building banking and payment products for US prediction
markets and regulated gaming. The company develops consumer-facing
financial products covering account funding, cards, onboarding,
identity verification, KYC, and real-time balances on top of its
own payments and settlement infrastructure. Its platform has
already processed more than USD 2 billion and continues to scale
rapidly across both product and engineering. About the Role This is
a senior product-engineering position for someone who has already
shipped consumer financial applications end to end. You will own
complete product experiences, from customer-facing flows through
backend services and production operation. Relevant experience
includes digital banking, payments, trading, cards, onboarding,
KYC, and other regulated consumer-finance products. The client has
not defined a mandatory technology stack for the search.



The
priority is identifying strong senior engineers with genuine
financial-services product experience rather than optimizing for a
particular programming language or frontend framework. Key
Responsibilities Build and operate consumer-facing financial
products end to end. Develop onboarding, account-opening,
identity-verification, and KYC workflows. Build customer
experiences around cards, payments, balances, funding, and
financial transactions. Develop backend services supporting
consumer financial products. Own features from product and
technical design through deployment and production operation. Work
closely with product stakeholders to translate complex financial
workflows into simple user experiences. Ensure reliability,
security, and correctness across regulated financial processes.
Operate independently within a small, distributed engineering team.
Contribute to architecture and product de

📌 Senior Full-Stack Engineer, Consumer Fintech (Madrid)
🏢 MaxIT Consulting - Max Corporate Group
📍 Madrid