Senior Backend Developer

Wyden Inc.; Remote; PLN 180,000 - 240,000; Full time

Job summary

A leading technology firm is seeking a Senior Back-end Developer in Poland. The role involves designing and implementing key features for a core digital asset trading product, utilizing the latest cloud technologies. Ideal candidates will have strong Java or Kotlin skills and experience in distributed systems. The position offers flexible working policies and opportunities for career development within a dynamic startup environment.

Benefits

Comprehensive salary and benefits package

Flexible/remote working policies

Career development opportunities

Dynamic work environment

Qualifications

• Strong experience in distributed systems engineering.
• Ability to follow current industry trends and incorporate best practices.

Responsibilities

• Design and implement strategic features for the core product Wyden.
• Collaborate closely with product management and the development team.
• Engineers distributed systems and runs services in the cloud.
• Incorporate security, authentication, and authorization mechanisms.

Skills

High proficiency in Java

High proficiency in Kotlin

Container orchestration with Docker

Container orchestration with Kubernetes

Monitoring and observability tooling

Understanding of networking concepts

Integration testing in the cloud

Messaging systems

Distributed caching

Reactive programming skills

Performance testing

Agile values

Continuous improvement

Iterative development

Education

Bachelor’s degree in IT/computer science or equivalent practical experience

Job description

Poland, Remote, Full time, Technology Team

Wyden is seeking a passionate and skilled Senior Back-end Developer who possesses a keen eye for detail, and a natural thirst for connecting customers with industry leading technology.

Who we are...

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.

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.

Your responsibilities will include:

• 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

The ideal candidate would bring:

• 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
• Understanding of networking concepts
• Integration testing in the cloud
• Messaging systems
• Distributed caching
• Reactive programming skills
• Performance testing
• Agile values, continuous improvement and iterative development

What Wyden offers

• 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.