Senior Full-Stack Engineer for AI-Driven Fintech (Remote)

Félix; Buenos Aires; A distancia; ARS 121.656.000 - 212.899.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Competitive salary

Stock options

Performance bonus

Health plan

Dental & vision

Remote work

Learning & development

Unlimited PTO

Parental leave

Growth opportunities

Descripción de la vacante

Félix is seeking a senior software engineer to join our Product Engineering team, shaping the core technology behind our chat-driven platform. You will design scalable backend microservices, build chat interfaces, and deliver conversational experiences across WhatsApp, Web, and mobile apps.

We value Python, REST, and cloud-native practices, with a willingness to learn. The role is currently fully remote, with a future move to a hybrid setup, and offers remote collaboration across borders for a

Formación

• 5+ years of experience as a Software Engineer in a fast-paced environment.
• Proven ability to build, ship, and iterate on software applications with an emphasis on real-world impact.
• Strong foundation in algorithms and data structures.
• Experience with web services, including SOAP and REST APIs.
• Familiarity with architectural patterns like Hexagonal Architecture, Event Driven Architecture, A/B Testing, Feature Flags, and Gradual Rollouts.
• Familiarity with AI tools such as Claude, Cursor, Codex or similar technologies.
• Passion for building products that positively impact millions.
• Commitment to continuous learning and exploration of new technologies.
• Ability to thrive in a collaborative environment and contribute actively with innovative ideas.
• Excellent prioritization skills.
• Curiosity and/or experience in Fintech is an added advantage (though equivalent competencies will also be considered).
• Fluent or Advanced English.

Responsabilidades

• Design & Architecture: Architect and implement high-performance, scalable backend microservices, including core components of our Chat Platform.
• User Interfaces: Build, deploy, and iterate on UI services and conversational interfaces that empower users to interact naturally with our remittance services.
• Infrastructure: Design and manage infrastructure capable of handling millions of daily requests with real-time messaging capabilities.
• Cloud Integration: Develop backend services using established industry standards and Google Cloud services.
• Collaboration & Mentorship: Foster the growth of junior developers through mentorship and best practice implementation, while collaborating closely with cross-functional teams including product, UX/UI, and business units.
• Continuous Improvement: Leverage customer feedback and analytics to iterate and improve our conversational experience, ensuring that our chatbots remain effective and user-friendly.

Conocimientos

Backend development

Frontend development

REST APIs

Cloud services

Distributed systems

Herramientas

Python

Flask/FastAPI

Redis

SQL

gRPC

React

Google Cloud

Kubernetes

Terraform

NewRelic

PagerDuty

Descripción del empleo

Félix is seeking a senior software engineer to join our Product Engineering team, shaping the core technology behind our chat-driven platform. You will design scalable backend microservices, build chat interfaces, and deliver conversational experiences across WhatsApp, Web, and mobile apps.

We value Python, REST, and cloud-native practices, with a willingness to learn. The role is currently fully remote, with a future move to a hybrid setup, and offers remote collaboration across borders for a