FINTECH ENGINEERING LEAD

Sadient; San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

Sadient is hiring a Fintech Engineering Lead in San Francisco to shape a high-performance, secure app built around a joint virtual banking and cryptocurrency wallet platform. You’ll work with technical founders to set industry-leading standards and drive architecture for a globally scaled product.

The role requires 5+ years in fintech software with deep backend experience and comfort across services like Postgres, Redis, and AWS. A strong full-stack skillset is a plus.

Qualifications

• 5+ years building fintech software
• Experience with Postgres, Redis, AWS
• Full-stack capability across backend and related systems

Responsibilities

• Define engineering standards and architecture for a high-scale fintech app
• Lead backend development powering iOS, Android, and Web frontends
• Collaborate with founders to implement secure, reliable, and performant systems
• Integrate with banking and wallet service providers and security/compliance controls

Skills

Fintech engineering

Banking experience

Stablecoin infra

Full-stack flexibility

Tools

Postgres

Redis

AWS

FastAPI

Rust/Go option

Job description

San Francisco, United States

We are hiring for a client in the social banking and digital wallet industry, driving innovation in consumer finance across emerging markets. The product focuses on building a joint virtual banking and cryptocurrency wallet platform, enabling users around the world to move seamlessly within a unified financial ecosystem with secure transactions, accessibility, and meaningful financial inclusion.

Our client is a well-funded, senior-only team based in San Francisco, led by founders with successful exits and supported by large global distribution partners. These roles offer high cash compensation and the chance to make an immediate Day 1 impact on a rapidly scaling product shaping the future of global consumer finance.

The Role

We're seeking a Fintech Engineering Lead who has directly leverable B2C banking, stablecoin, or payments experience. This is a critically important role on our team. You ’ ll be working with the technical founders to set standards that conform with industry engineering best practices and building a highly performant, reliable, and secure app from the ground up.

Our Stack

Python (FastAPI) monolith supported by Postgres and Redis on AWS. We are open to Rust and/or Go for any services that need to be broken out for performance.

Backend serves a REST API that powers our iOS, Android, and Web frontends. We are integrating with cryptocurrency wallet and banking service providers, among other services for auth, ledger, payment rails, etc.

This is a financial services application with significant complexity handling real money at scale, internationally.

Requirements

5+ years building and shipping fintech software with deep expertise in at least one of the following systems: ledgering, payments processing, stablecoin infra, risk/fraud management

Experience generally across the backend: working with Postgres, Redis, AWS, etc.

You might be an especially good fit if you have a Full-stack engineering skillset, with ability to flex across other parts of the stack

What We Offer

Day 1 impact on partner products used by millions globally

Shape technical vision and architecture as we scale

Ground-floor opportunity in the rapidly expanding stablecoin ecosystem

Submit qualified candidates from your network and earn up to $1,500 referral bonus per successful placement through Sadient. We partner with leading clients across high-impact technology roles and value strong professional referrals.

Earn USD$6,000for every successful candidate placement.

Payment Schedule

Candidate completes 30 days of employment – USD $2,000 paid on the 35th day.

Candidate completes 60 days of employment – USD $2,000 paid on the 65th day.

Candidate completes 90 days of employment – USD $2,000 paid on the 95th day.

Total Potential Earnings: USD $6,000.

Payment Terms

Payments will be released only after Sadient receives the corresponding milestone payment from the client. The candidate must remain actively employed through each milestone (30, 60, and 90 days). If the candidate leaves before completing any milestone, payment for that milestone and all subsequent milestones will not be payable. No fee is payable if the candidate does not join the client.

Sourcing Partner Responsibilities

Submit only qualified, interested, and available candidates. Obtain a valid Right to Represent (RTR) before submission. Screen candidates for technical fit, availability, and interest. Coordinate interviews and maintain communication with candidates throughout the hiring process. Review the complete Job Description before submitting candidates.