Senior Software Engineer – Comms Core

This is a fully remote position, open to applicants in Spain.

📋 Description

• Take ownership of and successfully deliver quarterly technical objectives within the Communications domain.

• Tackle ambiguous and open-ended challenges related to messaging infrastructure.

• Architect and enhance dependable backend services for high-volume communications across multi-region and multi-tenant settings.

• Develop orchestration, delivery, preferences, templates, and observability functionalities.

• Work collaboratively with product management, design, analytics, security, and engineering teams throughout the product lifecycle.

• Design, implement, and maintain resilient integrations with external messaging providers.

• Strike a balance between reliability, latency, cost, and compliance.

• Identify and resolve issues impacting scalability, developer experience, and operational resilience.

• Establish service-level objectives and metrics, enhance alerting and incident response, and engage in on-call responsibilities.

• Elevate design, testing, code review, rollout, and operational standards.

• Champion engineering standards through documentation and technical presentations.

• Offer feedback, mentorship, and technical guidance.

• Demonstrate leadership by setting a positive example.

⛳️ Requirements

• A minimum of 5 years of experience in software development or engineering.

• Profound understanding of system design and architecture.

• Expertise in modern programming languages such as Python, Kotlin, or similar.

• Proven success in developing highly available distributed systems utilizing AWS, MySQL, DynamoDB, and Kubernetes.

• Experience in designing multi-region, multi-tenant platforms with robust isolation, scalability, failure recovery, and data-consistency assurances.

• Familiarity with integrating third-party communications or messaging vendors.

• Experience in defining technical blueprints for significant features or system components with elegant, simple, and extensible designs.

• Commitment to high-quality, readable code development.

• Proficient in making substantial modifications within a large codebase.

• Skilled in using AI-assisted development tools and exercising sound judgment in validating their outputs.

• Strong verbal and written communication abilities.

• Required to participate in an on-call rotation.

• Must reside in Spain.

🏝️ Benefits

• Monthly stipends for health, wellness, and technology expenses.

• Comprehensive medical coverage, dental, and vision insurance fully subsidized for you and your dependents.

• Flexible Spending Wallets for technology, food, and lifestyle needs.

• Wellness days, known as Away Days, to take time off and rejuvenate.

• Opportunities for Learning & Development.

• Parental benefits.

• Access to Employee Resource & Community Groups.

• Health coverage at no cost: employees and their dependents enjoy 100% of premiums covered.

• Flexible time off policies and generous holiday schedules.

• Employee stock purchase plan (ESPP) allowing the purchase of Affirm stock at a discount.

• An inclusive interview process with accommodations for candidates with disabilities.

• A welcoming in-person onboarding experience for all new hires.