Location: Athens, Greece (preferred)
Work Model: Remote first (6-week probation), then onsite in Athens
Start Date: Immediate
Department: Engineering
Reports to: Lead Developer & CTO
About GTSS
GTSS builds SaaS and digital platforms for the creator economy, including a marketing CRM used by global creators and agencies. With 7 products in our pipeline, we’re scaling engineering operations and building product-dedicated teams.
Our culture is grounded in first-principles thinking, shipping fast, and iterating continuously.
Role Overview
We’re seeking a Senior Backend Developer to architect, scale, and optimize the backend infrastructure powering actual projects and future GTSS applications.
This is a high-impact role for someone who owns API performance, database reliability, and microservice architecture.
Key Responsibilities
Build and maintain Node.js/Express APIs for high-traffic production systems.
Architect scalable backend services and microservices.
Optimize and maintain PostgreSQL databases.
Ensure API reliability, security, and performance.
Collaborate with Product and Frontend teams to deliver end-to-end features.
Own CI/CD processes and infrastructure best practices.
Required Skills
Node.js
Express
PostgreSQL
TypeScript
API architecture & documentation
Git workflows
CI/CD pipelines
Preferred Skills (Nice to Have)
Docker
AWS or DigitalOcean deployment
Microservices architecture
Social media APIs
Real-time data processing
What We’re Looking For
5–10 years of backend engineering experience.
Bachelor's in Computer Science or equivalent advanced experience.
Strong ownership mindset; thrives in high-velocity delivery.
Based in Greece (Athens preferred) or able to work remote → onsite after probation.
Why Join GTSS
Lead backend initiatives across multiple SaaS products.
Build infrastructure from first principles in a scaling startup.
Direct access to leadership and decision-making.
Immediate impact on live users and customer operations.
➡️ Apply now and lead the backend architecture powering the creator economy’s next generation of tools.
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