Senior Backend Developer - Poland

About the role

We are looking for a Senior Backend Developer based in Poland, preferably in Wroclaw, Poznan or remote. As a Senior Backend Developer, you will design and implement strategic features for our core product Wyden and quantitative trading strategies for our clients. The successful candidate will be working with the latest Cloud technologies. This is an extremely exciting time to join an ambitious high-growth Fintech with a strong client base and market demand for a well-established solution. 

Responsibilities 

• Design and implementation of future releases of Wyden including key infrastructure components such as low latency order management, execution algorithms, smart order routing, event handling, and business services  
• Close collaboration with product management, development team, head of development and customers  
• Distributed systems engineering and running services in the cloud environment  
• Following current industry trends and incorporating best practices into the solution   
• Understanding of security, authentication and authorization mechanisms  

Requirements

• Bachelor’s degree in IT/computer science or equivalent practical experience  
• High proficiency in Java (or) Kotlin  
• Container orchestration with Docker and Kubernetes  
• Monitoring and observability tooling  
• CI/CD, process automation  
• Understanding of networking concepts  
• Integration testing in the cloud   
• Messaging systems  
• Distributed caching  
• Reactive programming skills 
• Performance testing  
• Clean coding & Test automation experience  
• Agile values, continuous improvement and iterative development 

Benefits

• Comprehensive salary and benefits package
• Flexible/remote working policies
• Career development opportunities in a fast-growing startup
• An open and dynamic work environment where everyone is valued
• Become part of a global team of professionals with a diverse range of expertise covering banking, trading, software and systems development, and more. 

About Wyden 

Wyden is the leading provider of institutional digital asset trading technology to financial institutions. But more than that, we’re a collaborative, motivated team of leaders, experts, and engineers who believe in what we do – building advanced, modular trading technology that makes it easy for our clients to launch digital asset products and services. We are proud of our success to date. In November 2024, we secured $16.9 million in Series B funding to support our strategic expansion into regulated markets, and in early 2025, we became recognized once again as one of Crypto Valley’s CV VC Top 50 companies. Not to mention the dozens of banks, brokers, and financial service providers that already rely on our trading infrastructure. 

Digital assets are now a mainstream asset class, and the banking world is catching up fast. If you’re passionate about technology, thrive on solving complex challenges, and shaping the future of institutional digital asset trading, Wyden is the place for you.

Headquartered in Zurich, Switzerland, Wyden has regional offices in New York and Singapore as well as development hubs in Eastern Europe.