Description
Staff Software Engineer (Fintech Office)
Location: Colombia
Department: Engineering
Location Type: REMOTE
Employment Type: FULL_TIME
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 WhatsApp, allowing our users to send money home as easily as sending a text message. We leverage cutting-edge technology like AI, blockchain, and stablecoins 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. This isn't just about the numbers; it's a testament to the trust our investors have in our vision and our team. Additionally, Félix was selected as an “Endeavour Entrepreneur” and was a recipient of the CrossTech Fintech Startups Award. We are a group of extremely talented and dedicated high-performers, united by our shared obsession with a single goal: empowering our customers. We are all owners of Félix, driven by a bias for action and a true experimentation spirit to get shit done with urgency and focus.
Joining Félix means you will be part of a team building a legacy, a company that will outlive us all. This is a rare opportunity to apply your skills to a deeply meaningful mission—serving a community that has been underserved for too long. We are a team that is fiercely loyal to each other, where radical transparency and constructive feedback are how we grow and push for excellence. We are bold, we care less about what others are doing, and more about creating sustainable value and a product that truly makes our users' lives better. We are building the future, today.
Introducing the Fintech Office
The Fintech Office is a specialized engineering team at the heart of our financial ecosystem. While the Payments, Disbursements, and GRC squads keep the day‑to‑day platform running, the Fintech Office focuses on high‑impact, cross‑functional projects that unlock the next wave of growth for Félix. This team’s mission is to enable Félix’s financial infrastructure by optimizing cross‑functional systems and managing financial resources to drive operational excellence and sustainable growth.
This role is open to all candidates in Latin America.
About the Role
As a Staff Software Engineer, you will join a high-caliber group of technical leaders driving the design and delivery of green‑field initiatives that touch every corner of Félix’s financial stack. You will turn ambiguous business problems into resilient, scalable systems that directly influence strategic decisions and unlock new revenue streams.
This is a hands‑on role for an engineer who loves diving deep into complex financial domains, setting architectural vision, and mentoring others to raise the bar.
Responsibilities
- Architect & Build scalable micro‑services and data pipelines that advance the Fintech Office mission.
- Drive Special Projects – e.g., automated global FX inventory system, cross‑border settlement rails, cost‑to‑serve analytics platform.
- Ensure Financial Accuracy by designing ledger‑grade data models and reconciliation processes.
- Optimise Capital through systems that model liquidity, risk, fees, and vendor pricing.
- Collaborate Across Squads (Payments, Disbursements, GRC) and work alongside other Staff Engineers to deliver shared infrastructure and unblock product launches.
- Own Quality & Reliability – establish SLIs/SLOs, observability, on‑call rotations, and incident reviews.
- Mentor & Uplevel engineers, championing best practices in design, testing, deployment, and documentation
- Influence Strategy – Provide technical insight and architectural leadership to shape the Fintech roadmap and investment decisions, communicating impact to stakeholders across the business.
Requirements
- 8+ years of professional software engineering experience, with at least 3 years in fintech or payments.
- Fluent or advanced English preferred. Upper-intermediate is also fine, as long as you can communicate clearly in a professional setting.
- Demonstrated ownership of mission‑critical financial systems (ledgers, reconciliation, treasury, FX, risk).
- Expertise in Python (preferred), Go or Java, plus solid SQL & data‑modelling skills; experience with event‑driven and hexagonal architectures.
- Deep understanding of transaction integrity, idempotency, concurrency control, and double‑entry accounting.
- Proven ability to set architectural vision and influence multiple teams.
- Experience operating distributed systems on GCP, Kubernetes, Terraform (or equivalent cloud‑native stacks).
- A bias for shipping, strong product sense, and a passion for empowering underserved communities.
- These are the applicable requisites, although equivalent competencies in any of the above will also be considered.
Bonus points
- Experience with blockchain settlement
- Experience with real‑time data streaming (Kafka/PubSub)
- Experience with machine‑learning driven risk models
What We Offer
- Competitive salary
- Initial stock options grant
- Annual performance bonus
- Health, dental, and vision plans
- Remote work environment, although we have offices in Miami and México City and would love to work in hybrid model if you are up to it.
- Continuous learning opportunities
- Unlimited PTO
- Paid parental leave
- Empowering opportunities for growth in a dynamic entrepreneurial environment
Equal Opportunity Employer
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.
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