Remote Senior Full-Stack Engineer: Build ETF Data Platform

ETFbook; Kraków; Hybrid; PLN 395,000 - 527,000; Full time

Benefits offered by this job

100% remote within EU time zones

Competitive B2B contract

Growth opportunities in a fast-paced,

Team-building events across Europe

Job summary

ETFBOOK, a Swiss SaaS company delivering ETF data analytics, is seeking a Senior Full-Stack Software Developer with a focus on frontend. This fully remote Europe-wide team will work on a cutting-edge analytics platform with APIs, data processing, and scalable architecture.

You will design, implement, and mentor across both frontend and backend areas, ensuring performance and reliability while collaborating with Product, Data and Technology teams.

Qualifications

• 8+ years of experience in web application development.
• Strong expertise in Angular/TypeScript and .NET/C#.
• Experience in end-to-end feature development, testing and deployment.
• Knowledge of frontend, backend, API, and database architecture.
• Experience with Azure and AI-assisted development tools.

Responsibilities

• Develop and maintain end-to-end features across Angular and .NET stack.
• Design solutions spanning frontend, backend, APIs, and databases.
• Lead design and requirements analysis for major initiatives.
• Ensure performance, scalability, security, and reliability.
• Review code and promote engineering standards.
• Troubleshoot complex issues and support production stability.
• Mentor junior and mid-level engineers.

Skills

Angular/TypeScript

.NET/C#

Frontend/backend/API architecture

Cloud/Azure

English communication

Mentoring

Tools

Azure

Job description

ETFBOOK, a Swiss SaaS company delivering ETF data analytics, is seeking a Senior Full-Stack Software Developer with a focus on frontend. This fully remote Europe-wide team will work on a cutting-edge analytics platform with APIs, data processing, and scalable architecture.

You will design, implement, and mentor across both frontend and backend areas, ensuring performance and reliability while collaborating with Product, Data and Technology teams.