Senior Full-Stack Developer

ETFbook

PolandRemoteFull-time2026-10-19 → 2026-11-10

HybridContractor via own company (B2B)

Core

Develop and maintain a cutting-edge data analytics platform for institutional ETF participants using Angular and .NET.

Role type

Senior Full-Stack Developer (Frontend focus)

Builds

User-friendly web application and robust APIs for product analysis, fund flow tracking, and liquidity assessments

Domain

Financial Technology (ETFs) + Cloud Infrastructure

Deliverable

production ML models | product features

Required skills

Angular, TypeScript, .NET, C#, API design, Database architecture, Azure, Automated testing, Code review, Mentoring

Preferred skills

Data visualization, UX/UI basics, Financial markets knowledge, B2B SaaS experience

Technologies

Angular, TypeScript, .NET, C#, Azure

Responsibilities

Develop end-to-end features, Design solutions covering front-end to data processing, Lead solution design and requirements analysis, Ensure performance and scalability, Review code and promote standards, Troubleshoot cross-system issues, Mentor junior engineers

About ETFbook

ETFbook is a Swiss SaaS company providing data, analytics, and custom solutions in the Exchange Traded Funds (ETFs) space. Founded in 2020, we aim to make global ETF data accessible, actionable, and valuable for institutional participants, including ETF issuers, index providers, fund service providers, market makers, exchanges, and buy-side institutions. We develop a platform which offers comprehensive insights through a user-friendly web application and robust APIs, covering areas such as product analysis, fund flow tracking, performance comparisons, and liquidity assessments. About the role: