Semi-Senior Software Engineer

About Us

At Félix, we’re building the financial ecosystem for Latin immigrants in the U.S., starting with a revolution in remittances. Our core product is an AI‑powered chatbot powered by Whats App, allowing our users to send money home as easily as sending a text message. We leverage cutting‑edge technology like AI, blockchain, and stable coins to make cross‑border payments faster, more affordable, and more accessible than ever before.

We are a hyper‑growth Series B company, backed by over $100 million in funding from top‑tier global investors, including QED, Castle Island, Switch Ventures, HTwenty, Monashees, and General Catalyst Customer Value Fund. Félix was selected as an “Endeavour Entrepreneur” and received the Cross Tech Fintech Startups Award. We are a group of talented high‑performers united by a shared obsession to empower our customers.

A culture of ownership, urgency, and experimentation drives us to “get shit done” with focus. Join us in building a legacy that will outlive us all.

We’re looking for a Semi‑Senior Software Engineer to join our fintech engineering team. In this role, you’ll take ownership of key projects, contribute to the design and development of scalable systems, and help shape the architecture of our core financial infrastructure. You’ll work closely with product and engineering teams to build services that power payment processing, risk controls, and transaction flows—while deepening your expertise in Python and Google Cloud Platform (GCP).

This is a great opportunity for an engineer who has moved beyond the junior stage and is ready to take on more technical responsibility while continuing to learn and grow.

• Design, build, and maintain backend services using Python
• Contribute to architecture decisions and help scale payment and financial systems
• Write clean, testable, and maintainable code with a focus on performance and reliability
• Troubleshoot and resolve production issues with a mindset for long‑term improvement
• Collaborate with product managers, designers, and other engineers to define and deliver solutions
• Use GCP services (Pub/Sub, Cloud Functions, Firestore, Big Query) to build cloud‑native solutions
• Participate in improving CI/CD pipelines, observability, and dev tooling

• 2–5 years of professional software engineering experience
• Strong proficiency in Python and backend development fundamentals
• Experience working with RESTful APIs, databases (SQL/No
  
  SQL), and cloud platforms (GCP preferred)
• Understanding of distributed systems, scalability, and fault tolerance
• Strong communication skills and a collaborative, problem‑solving mindset
• Equivalently competent candidates in any of the above will also be considered

• Front‑end:
  React, HTTP, HTML/DOM, JavaScript, CSS, AJAX
• Back‑end:
  Python, Flask/FastAPI, REST APIs, Redis, SQL, gRPC
• Cloud:
  Google Cloud services (Firestore, Cloud Storage, Pub/Sub, Google Artifact Registry, Cloud Run, Big Query, Cloud Composer, etc.)
• Infrastructure:
  Kubernetes, Terraform, New Relic, Pager Duty

• Competitive salary
• Initial stock options grant
• Annual performance bonus
• Health, dental, and vision plans
• 401(k) with employer match
• Hybrid work arrangement
• Continuous learning opportunities
• Unlimited PTO
• Paid parental leave
• Empowering growth opportunities in a dynamic entrepreneurial environment

At Félix, we are committed to providing equal employment opportunities to all qualified employees and applicants without regard to race, religion, nationality, sex, sexual orientation, gender identity, age, or disability. This policy applies to all terms and conditions of employment, including recruitment, hiring, placement, promotion, training, compensation, benefits, and termination.