Senior Full-Stack Fintech Engineer — Remote (Spain)

Tamarind Intelligence; United States; Remote; USD 127,000 - 196,000; Full time

Job summary

MaxIT Consulting -- Max Corporate Group is seeking 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 role emphasizes end-to-end ownership of customer experiences across frontend and backend systems while delivering compliant financial workflows.

The candidate should bring extensive experience in digital banking, payments, onboarding, KYC, and related regulated

Qualifications

• 5+ years of professional full-stack software engineering experience.
• Experience shipping consumer products end to end.
• Professional experience at neobank, payments, trading platform, brokerage, or similar.
• Hands-on production experience with onboarding, KYC, card, account, or related workflows.
• Ability to work effectively across frontend and backend systems.
• Strong product mindset and high degree of technical ownership.
• Experience taking features from initial design through deployment and production operation.
• Comfortable working autonomously within a remote engineering organization.
• Current residence in Spain.
• Existing authorization to work in Spain.

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 decisions as the platform scales.

Skills

Full-stack engineering

Product ownership

Onboarding & KYC

Card & payments

Trading platform

Remote work

Spanish work authorization

Frontend & Backend

Regulated fintech

Job description

MaxIT Consulting -- Max Corporate Group is seeking 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 role emphasizes end-to-end ownership of customer experiences across frontend and backend systems while delivering compliant financial workflows.

The candidate should bring extensive experience in digital banking, payments, onboarding, KYC, and related regulated