Full Stack Engineer

🚀 Senior Software Engineer — Remote, Eastern Europe

TubeScience | Full-Time | Remote-First

About TubeScience

TubeScience is one of the fastest-growing performance video companies in the world. We use data, AI, and creative systems to produce video advertising at a scale and speed that no one else has figured out. Our engineering team builds the infrastructure that makes that possible — from AI agent pipelines to the ad operations tooling that drives hundreds of millions in client spend.

We are profitable, growing fast, and building in a space where the technical problems are genuinely hard. This is not a maintenance role. You will be architecting and shipping systems that directly move business outcomes.

The Role

We are hiring a Senior Software Engineer to join our core platform team. You will work across the full stack — frontend tooling for complex ad workflows, cloud infrastructure, and the backend systems that tie our AI integrations together. You will be one of a small number of engineers who sets the technical direction, not just executes it.

What You Will Build

• Frontend applications for ad operations workflows that handle scale and complexity — this is not a marketing site, it is a production tool used by operators running large campaigns daily
• Cloud infrastructure on AWS/GCP/Azure: deployment pipelines, monitoring, autoscaling, the works
• Backend services and APIs that support multiple AI agent integrations running in production
• System architecture that can grow — you will be in the room where these decisions get made

What We Need From You

• Strong JavaScript — React, Vue, or Angular, and you know why you are making the choice you are making
• Strong Python — you have shipped production Python services, not just scripts
• At least one low-level language: C, C++, Rust, Zig, or equivalent. You understand what happens below the abstraction layer.
• Experience building large-scale SaaS platforms from scratch, not just joining a mature codebase
• Hands-on cloud deployment and DevOps
• Media pipeline experience — transcoding, ffmpeg-like tooling, media transformation, cloud storage. This sits at the core of what we build.
• You know how to instrument and observe distributed systems — not just read dashboards, but design for observability from the start
• Experience with durable, fault-tolerant workflows in production
• React testing and test automation — the kind that actually catches real problems

If you have worked with any of the following, say so: React/Next.js, FastAPI/Django/Flask, Docker/Kubernetes, PostgreSQL/MongoDB/Redis, Temporal/Airflow/Dagster, Kafka/RabbitMQ, AuthN/AuthZ patterns.

Nice to have: experience shipping agent systems (MCPs, sandboxing, AI agent infrastructure) and FinOps at scale.

Why Join Us

We're experiencing exceptional growth in a contracting market. We combine startup agility with established financial stability. You'll work on exciting challenges with a brilliant team of like-minded professionals who value both technical excellence and creative problem-solving. You'll have immediate impact on critical systems and clear paths for professional advancement.

This isn't just another job - it's your chance to build something meaningful with people who are as passionate and talented as you are.