Senior Software Engineer

Requirements

• You have 5+ years of experience in software engineering, with at least 2+ years of experience as a senior member of a team delivering end-to-end systems.
• You've worked with a variety of web APIs and developed backend services using modern OOP practices.
• You have a strong understanding of relational databases and the ability to diagnose performance bottlenecks at the database layer.
• You're comfortable troubleshooting across network, application, caching, queuing, and storage layers
• You've helped your teams solve high-scale challenges, integrate systems, or develop business intelligence platforms.
• You communicate nuanced ideas clearly, whether you're explaining technical decisions in writing or brainstorming in real time.
• You demonstrate strong ownership instincts and sweat the details.
• You're excited to work on a cross-functional team, partnering with product stakeholders, other teams, and subject matter experts
• Language requirements: Proficient in English
• Tech stack
• Our systems are built in Ruby on Rails, PostgreSQL and Redis on the backend, and Typescript and React in the frontend. Our infrastructure is hosted by AWS and runs on Kubernetes. However, this role is more heavily focused on backend development, but will have some frontend development initiatives.
• What you'll enjoy at Affinity:
• We live our values: As owners, we take pride in everything we do. We embrace a growth mindset, engage in respectful candor, act as playmakers, and "taste the soup" by diving deep into experiences to create the best outcomes for our colleagues and clients.
• Health Benefits: Comprehensive health insurance for both you and your family.
• Learning & Development: We provide an annual education budget and a comprehensive L&D program.
• Wellness Support: We provide a monthly budget for wellness memberships/equipment to support your overall health and happiness.
• About Affinity
• With more than 3,000 customers worldwide and backed by some of Silicon Valley's best firms, Affinity

Benefits

Additional Information

With our growing customer base and our expansion into new markets and use cases, we have more to build than ever at Affinity as we execute on our vision to put relationship intelligence at every professional's fingertips. As a Senior Software Engineer in the Identity Access Management & Integrations Team , you'll have the opportunity to push our product and platform in new directions while also shaping the next iterations of the features our customers already love. You will be one of our first team members in our brand-new Barcelona office . You'll help drive the technical roadmap and implementation of our Internal and External API layers, our 3rd party integration platform and access management systems. We're looking for a high-velocity engineer who thrives in dynamic environments-someone who can rapidly prototype end-to-end solutions, iterate quickly, and deliver measurable customer impact. From high-performing APIs to backend algorithms, integration frameworks, to guaranteeing data privacy with access management rules, you'll hone your skills across multiple domains while helping to drive forward the Affinity product and vision. Location: Barcelona, Spain For this role, we're embracing a hub-hybrid model, designed to balance flexibility with meaningful in-person collaboration. Team members are expected in-office 2-days per week. We believe great things happen when people come together intentionally to connect, create, and build momentum as a team. In this role, you will: Own product areas that are essential to the success of our customers and our business. Collaborate with world-class engineering, product, and design teams. You'll have the opportunity to learn from a wide variety of experiences and, of course, to share your own. Drive the technical best practices for our APIs, integrations and IAM systems that allow our platform to exceed its performance goals and customers expectations. Mentor other engineers to uplevel them individually and the team as a whole. Promote operational excellence with focus on high reliability, performance, and scalability

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