Senior Fintech Platform Engineer — Remote, Unlimited PTO

Félix; Ciudad de México; Hybrid; MXN 2,235,000 - 3,352,000; Full time

Benefits offered by this job

Competitive salary

Stock options grant

Annual performance bonus

Health, dental, and vision plans

Remote work now, future hybrid

Continuous learning opportunities

Unlimited PTO

Paid parental leave

Growth opportunities

Job summary

Félix is building a cutting-edge financial companion for Latinos in the US, expanding into credit, savings, and wallet services. The company seeks a senior Software Engineer to shape the core architecture of its Fintech Platform within one of three squads (Payments, Disbursements, or GRC).

You will own backend microservice design, reliability, security, and cloud infrastructure, collaborating across product and compliance teams.

Qualifications

• 5+ years of experience as a Software Engineer in a fast-paced, dynamic environment.
• Fluent or advanced English.
• Proven track record of building, shipping, and iterating on software applications, particularly in the Fintech domain.
• Solid foundation in algorithms and data structures.
• Experience designing and implementing web services, including REST APIs.
• Familiarity with architectural patterns such as Hexagonal Architecture, Event-Driven Architecture, and practices like A/B Testing, Feature Flags, and Gradual Rollouts.
• Domain Expertise: payment systems, disbursement solutions, or compliance-driven platforms is highly desirable.
• Knowledge of security protocols, compliance standards, and KYC/AML processes.

Responsibilities

• Architect and implement scalable backend microservices inside one of the squads.
• Develop and optimize systems for secure transaction processing.
• Design robust services for disbursement of funds to beneficiaries.
• Build and enhance onboarding, KYC, and compliance systems.
• Design and manage infrastructure to handle millions of daily requests securely.
• Utilize Google Cloud services to build distributed systems.
• Collaborate with product, operations, and compliance teams.
• Mentor junior developers and promote best practices.

Skills

Backend development

REST APIs

English fluency

Fintech domain

Distributed systems

Security & compliance

Hexagonal Architecture

Tools

Google Cloud

Kubernetes

Terraform

NewRelic

PagerDuty

Redis

gRPC

Flask/FastAPI

Job description

Félix is building a cutting-edge financial companion for Latinos in the US, expanding into credit, savings, and wallet services. The company seeks a senior Software Engineer to shape the core architecture of its Fintech Platform within one of three squads (Payments, Disbursements, or GRC).

You will own backend microservice design, reliability, security, and cloud infrastructure, collaborating across product and compliance teams.