Senior Software Engineer

Senior Software Engineer (IAM) – Félix About the Company 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, enabling users to send money home as easily as sending a text message. Leveraging cutting-edge technology such as AI, blockchain, and stablecoins, we deliver cross-border payments that are faster, more affordable, and more accessible than ever before. As a hyper‑growth Series B company with over $100 million in funding and a dedicated team of high‑performers, we live by a bias for action and a true experimentation spirit to get things done with urgency and focus. About The Role Join Félix as a Senior Software Engineer to lead the creation of our Identity & Account Management team. You’ll build the systems that form the backbone of how users create, verify, and manage their accounts safely and seamlessly across our ecosystem. In this highly strategic and technical role, you’ll architect and implement robust, scalable, and secure identity solutions that balance frictionless user experience with compliance and security needs. You’ll partner closely with Product, Security, Fraud, and Platform teams to define the technical vision for account identity at Félix and set a new standard for reliability and trust in fintech identity management. Build the foundation: work on the architecture and end‑to‑end development of identity & account management systems, including authentication, authorization, and account lifecycle services. Drive the technical vision: define and execute the long‑term strategy for identity and account management, balancing user experience, scalability, and regulatory compliance. Ensure security & compliance: implement secure identity flows, KYC/KYB integrations, MFA, and account recovery mechanisms in alignment with AML, GDPR, and data privacy requirements. Enable platform integration: partner with engineering teams to ensure seamless integration of identity services across all products and platforms. Operational excellence: establish observability, monitoring, and alerting frameworks to ensure reliability and uptime for identity systems. Innovate with AI & data: collaborate with AI and Data teams to leverage behavioral analytics and identity intelligence to detect anomalies and strengthen account security. Mentorship & growth: mentor junior developers and promote best practices across the engineering team. Cross‑functional collaboration: work closely with Product, Risk, and Security leaders to define policies, user flows, and guardrails that balance trust and growth. Requirements 5+ years in software development with proven experience designing and delivering scalable backend systems. 2+ years in identity / account management, building or maintaining systems for authentication, authorization, KYC, or access control at scale (OAuth2, OpenID Connect, SSO, etc.). System design mastery: deep knowledge of distributed systems, microservices, and event‑driven architectures. Strong tech‑stack skills: proficiency in Python, SQL, and modern backend frameworks; familiarity with identity platforms (Auth0, Okta, Cognito) and cloud IAM services. Security mindset: solid understanding of encryption, token management, and best practices in secure session management. Leadership expectations: inspire and guide the team by setting high technical standards, offering mentorship, and championing best practices. Natural investigator: curious and incisive, capable of uncovering fraud root causes and crafting proactive prevention strategies. Effective collaborator: strong interpersonal and communication skills to partner with cross‑functional teams, articulate findings clearly, and influence strategic decisions. Self‑driven & accountable: a self‑starter with excellent judgment, comfortable navigating ambiguity and taking initiative in dynamic environments. Academic foundation: bachelor’s degree in Computer Science or a related field (master’s or PhD is a plus). English proficiency: upper‑intermediate or higher. Equivalent skills and competencies will be considered even if they don’t match every listed requirement. Nice to Have Experience with micro‑frontend architectures. Knowledge of design tokens, theming, and multi‑brand support. Background in fintech or other high‑availability systems. Contributions to open‑source design systems or UI frameworks. What We Offer Competitive salary Initial stock options grant Annual performance bonus Health, dental, and vision plans Remote work environment (offices in Miami and México City; hybrid model welcome) Continuous learning opportunities Unlimited PTO Paid parental leave Empowering growth opportunities in a dynamic entrepreneurial environment Job Details Seniority level: Mid‑Senior level Employment type: Full‑time Job function: Engineering and Information Technology Equal Opportunity Employer At Félix, we are committed to providing equal employment opportunities to all qualified candidates 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. #J-18808-Ljbffr