AF

Senior Software Engineer

Affinity.co
Barcelona, Spainfull_timePosted 8 Jun 2026

About the role

<p>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.</p> <p>As a <strong>Senior Software Engineer</strong> in the <strong>Identity</strong> <strong>Access Management & Integrations Team</strong>, 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 <strong>brand-new Barcelona office</strong>. 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.</p> <p>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.</p> <p><strong>Location: Barcelona, Spain</strong></p> <p><em>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.</em></p> <p><strong>In this role, you will:</strong></p> <ul> <li>Own product areas that are essential to the success of our customers and our business.</li> <li>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.</li> <li>Drive the technical best practices for our APIs, integrations and IAM systems that allow our platform to exceed its performance goals and customers expectations.</li> <li>Mentor other engineers to uplevel them individually and the team as a whole.</li> <li>Promote operational excellence with focus on high reliability, performance, and scalability</li> </ul> <p><strong>Qualifications:</strong></p> <p>Don’t meet every single requirement? Studies have shown that women and people of color are less likely to apply to jobs unless they meet every qualification. At Affinity, we are dedicated to building a diverse, inclusive, and authentic workplace, so if you’re excited about this role, but your past experience doesn’t perfectly align with the qualifications

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Generate Application Kit

Free account required — sign up in 30s

Company

Affinity.co

View all open roles →