Senior Frontend Developer

Location: Athens, Greece (preferred)Work Model: Remote first (6-week probation), then onsite in AthensStart Date: ImmediateDepartment: EngineeringReports to: Lead Developer & CTOAbout GTSSGTSS is a Canadian SaaS group powering the creator economy with scalable digital products. Our flagship product is a full-stack marketing CRM used by creators and agencies to manage workflows, track performance, and scale operations.We operate with a ship-fast, version-1 mindset, giving developers full product ownership and direct impact on live SaaS platforms.Role OverviewWe’re scaling our engineering team and opening our new office in Athens. We’re looking for a Senior Frontend Developer who can own feature delivery end-to-end, drive UI/UX implementation, and optimize performance across a high-traffic SaaS platform.This role is mission-critical to accelerating product velocity for actual projects and upcoming GTSS platforms.Key ResponsibilitiesBuild high-performance React/TypeScript interfaces and reusable component libraries.Implement UX flows in partnership with Product and Design.Own UI performance optimization and front-end architecture.Collaborate in a cross-functional squad to ship fast and iterate.Contribute to CI/CD workflows and repository best practices.Required SkillsReact.jsTypeScriptNext.jsRedux or similar state managementCSS-in-JS frameworksGit workflowsCI/CD pipelinesPreferred Skills (Nice to Have)DockerCloud platforms (AWS/DigitalOcean)Social media API integrationsReal-time features (websockets, event streams)What We’re Looking For5–10 years of professional Frontend experience.Bachelor’s degree in Computer Science or equivalent senior-level experience.Strong ownership mindset; thrives in a fast-iteration SaaS environment.Based in Greece (Athens preferred) or willing to relocate after probation.Why Join GTSSDirect ownership across the SaaS lifecycle (idea → build → launch → scale).High-velocity engineering culture with real autonomy.Work on products that achieve immediate market distribution.Growing international team; Athens office launch.➡️ Apply now and be part of the core product team shaping the next generation of creator-economy tools.Please mention the word **EQUITABLE** and tag RMjQwNToyMDE6ODAyZDo3ODY5OmE4NjE6N2ExOTo0YWNhOjNkOTE= when applying to show you read the job post completely (#RMjQwNToyMDE6ODAyZDo3ODY5OmE4NjE6N2ExOTo0YWNhOjNkOTE=). This is a beta feature to avoid spam applicants. Companies can search these words to find applicants that read this and see they're human.