ph3Job overview /h3 pWith 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 h3Position /h3 pbSenior Software Engineer /b in the bOne Platform team /b. You'll be one of our first team members in our brand-new Barcelona office and help drive the technical roadmap and implementation of our Internal and External API layers, our 3rd party integration platform, and access management systems. /p h3Location /h3 pBarcelona, Spain. The role embraces a hub‑hybrid model: team members in‑office 2 days per week. /p h3In this role, you will /h3 ul liOwn product areas essential to the success of our customers and business. /li liCollaborate with world‑class engineering, product, and design teams. /li liDrive technical best practices for our APIs, integrations, and IAM systems that allow our platform to exceed its performance goals and customers' expectations. /li liMentor other engineers to uplevel them individually and the team as a whole. /li liPromote operational excellence with focus on high reliability, performance, and scalability. /li /ul h3Qualifications /h3 ul li~7+ years of experience in software engineering,



with at least 2+ years as a senior member of a team delivering end‑to‑end systems. /li liExperience with web APIs and backend services using modern OOP practices. /li liStrong understanding of relational databases and ability to diagnose performance bottlenecks at the database layer. /li liComfortable troubleshooting across network, application, caching, queuing, and storage layers. /li liExperience solving high‑scale challenges, integrating systems, or developing business intelligence platforms. /li liClear communication of nuanced ideas, both in writing and in real time. /li liStrong ownership instincts and attention to detail. /li liExcited to work on a cross‑functional team, partnering with product stakeholders, other teams, and subject matter experts. /li liLanguage requirement: Proficient in English. /li /ul h3Tech stack /h3 pOur systems are built in Ruby on Rails, PostgreSQL, Redis, TypeScript, and React. Infrastructure is hosted by AWS and runs on Kubernetes. This role focuses heavily on backend development with some frontend involvement. /p h3Benefits /h3 ul liComprehensive health insurance for you and your family. /li liAnnual education budget and comprehensive LD program. /li liMonthly wellness budget for memberships/equipment. /li /ul /p #J-18808-Ljbffr

📌 Senior Software Engineer (Barcelona)
🏢 Affinity (CRM)
📍 Barcelona