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Location: Remote- EU
Team: Engineering – Core Product Team
Salary: $140,000 USD
About Us
We’re a fast-growing SaaS e-commerce company powering mission-critical systems for thousands of businesses across diverse products. Our platform uses modern, scalable architecture to handle high volumes of data, flows, and transactions every day. We're a remote-first company with a product-led mindset and a culture built on trust, clarity, and continuous delivery.
The Role
We’re looking for a Principal Engineer to join one of our core engineering teams as a senior technical leader. In this role, you will deliver hands-on impact within a product-oriented team—while also helping shape standards, technical direction, and mentorship across the wider engineering org.
You’ll lead the architecture and delivery of critical features and systems that power the next generation of our platform. You’ll also influence and guide project teams across domains, unblock technical challenges, and foster clarity and alignment on decisions that scale.
This is a role for someone who loves solving deep technical challenges while inspiring and enabling other engineers to do their best work.
Core Responsibilities
Team: Engineering – Core Product Team
Salary: $140,000 USD
About Us
We’re a fast-growing SaaS e-commerce company powering mission-critical systems for thousands of businesses across diverse products. Our platform uses modern, scalable architecture to handle high volumes of data, flows, and transactions every day. We're a remote-first company with a product-led mindset and a culture built on trust, clarity, and continuous delivery.
The Role
We’re looking for a Principal Engineer to join one of our core engineering teams as a senior technical leader. In this role, you will deliver hands-on impact within a product-oriented team—while also helping shape standards, technical direction, and mentorship across the wider engineering org.
You’ll lead the architecture and delivery of critical features and systems that power the next generation of our platform. You’ll also influence and guide project teams across domains, unblock technical challenges, and foster clarity and alignment on decisions that scale.
This is a role for someone who loves solving deep technical challenges while inspiring and enabling other engineers to do their best work.
Core Responsibilities
- Deliver high-impact features and systems within a core product team, owning architecture, code, and delivery end-to-end
- Build and evolve backend services in Go, with performant REST APIs and asynchronous workflows
- Architect scalable data models in Postgres, lead migrations, and optimize query and indexing strategies
- Develop structured, reusable UI architectures and components in TypeScript with frameworks like Vue or React
- Guide teams through complex architectural decisions, balancing delivery velocity with long-term platform health
- Maintain and evolve cloud-native deployments with Docker, Kubernetes, and production-grade observability
- Mentor engineers at all levels; share knowledge through code reviews, RFCs, and pairing
- Champion engineering excellence, system reliability, and maintainability across squads
- Collaborate closely with Product, Design, and Engineering leadership to align technical execution with user outcomes
- 8+ years in professional software development with recent experience at Staff/Principal level
- Highly skilled in Go, distributed systems, and modern service design
- Proficient in TypeScript and modern SPA frameworks (VueJs, React, etc.)
- Expert-level experience building and scaling relational databases (Postgres preferred)
- Proven ability to deliver complex features in production environments while upholding high engineering standards
- Experience owning cloud-based systems with Kubernetes, Docker, CI/CD tooling
- Skilled at simplifying complexity, enabling delivery, and mentoring others
- Excellent communicator with strong product intuition and an ability to collaborate across disciplines
- Thrives in ambiguity and can create clarity, structure, and confidence in others
- Familiarity with generative AI workflows, prompt engineering, or integrating LLM-based services
- Experience evolving design systems or contributing to accessibility-first UI development
- Python experience for automation or data workflows
- Leadership experience in platform, infrastructure, or devtools engineering
- Deliver high-impact work within a core team while influencing architecture and standards across the org
- Mentor and lead engineering peers in a high-trust, remote-first environment
- Help shape the future of a platform used by thousands of real businesses
- Be part of a scaling team with a strong culture of ownership, collaboration, and continuous improvement
- Get full autonomy and ownership to drive both tactical delivery and strategic technical initiatives
Key Skills
Ranked by relevance
kubernetes
typescript
docker
cloud
ui
product design
design systems
react
saas
cicd
vue
ai
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- Posted
- Nov 07, 2025
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Warsaw
- Company
- Threecolts
Industries
IT Services
IT Consulting
Categories
Other
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3 roles aligned with this opportunity
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