Senior Software Engineer, Core Experiences - Coimbra, Portugal

Role overview

Join a high-growth technology company as a Senior Software Engineer on the Core Experiences team, working out of Coimbra, Portugal. The team is responsible for the foundational services and SDKs that power a widely used audio-based information product across multiple platforms. This is a strategic role for someone who enjoys sitting at the intersection of product and infrastructure, designing clean APIs and simple systems that meaningfully improve the user experience.

Responsibilities

- Partner closely with product teams to scope initiatives, trim scope to accelerate customer feedback loops, and weigh integration and UX tradeoffs across surfaces - Deliver features through a cross-platform SDK, optimizing for faster load times and smarter parsing through better abstractions and algorithms - Build and ship cloud functions, lightweight backend services, and asynchronous jobs using Kotlin - Improve existing functionality by identifying bottlenecks and shipping more efficient implementations - Act as a trusted technical voice in cross-functional discussions with designers, marketers, and product managers

Requirements

- Strong systems thinking with an emphasis on end-to-end design and simplicity - Demonstrated ability to move quickly, generating options and making sound ship-or-wait decisions - Comfort operating autonomously in a busy, remote-first, high-growth environment, knowing when to engage and when to focus - Proven collaboration skills, including the ability to negotiate and build trust with opinionated peers across disciplines - Hands-on experience with Kotlin Multiplatform (Java background acceptable) - Familiarity with Google Cloud Platform is a plus

Nice to have

- Experience designing APIs or SDKs consumed by multiple product teams - Background in audio, accessibility, or assistive technology products

Benefits and work setup

- Remote-friendly culture with a strong emphasis on asynchronous communication - Hands-off management style that trusts engineers to focus and deliver - Entrepreneurial team environment that values intuition, initiative, and calculated risk-taking - Opportunity to shape both product and company direction during a growth phase - Mission-driven work supporting users with learning differences such as dyslexia, ADHD, low vision, concussions, and autism - Work at the intersection of artificial intelligence and audio technology - Competitive compensation including bonus and equity, with a disclosed salary range of 30,000–65,000 USD per year based on experience - Commitment to a diverse, inclusive, and non-discriminatory workplace