Backend Developer, Sr. - Remote

## About the Role

Wyden is seeking a **Senior Backend Developer** to design and implement strategic features for its core digital asset trading technology and quantitative trading strategies. The role focuses on building advanced, scalable, and modular trading infrastructure using modern cloud technologies within a high-growth fintech environment.

You will work on distributed systems and critical trading infrastructure, including low-latency order management, execution algorithms, smart order routing, event handling, and business services. The role involves close collaboration with product management, development teams, leadership, and customers.

## Key Responsibilities

* Design and implement future releases of the core Wyden product.

* Develop key infrastructure components including:

* Low-latency order management

* Execution algorithms

* Smart order routing

* Event handling

* Business services

* Design and build distributed systems and cloud-based services.

* Develop strategic features and quantitative trading strategies for clients.

* Work closely with product management, development teams, the Head of Development, and customers.

* Apply current industry trends and engineering best practices to product development.

* Design systems with appropriate security, authentication, and authorization mechanisms.

* Build and integrate cloud-based applications using modern AWS technologies.

* Contribute to performance optimization and low-latency system design.

* Develop resilient, fault-tolerant backend services and infrastructure.

## Required Qualifications

* **8–10 years of engineering experience**; the source identifies this as a hard criterion.

* Exceptional proficiency in **Java and/or Kotlin**.

* Strong use of **modern AI-assisted development tools**.

* Bachelor’s degree in **IT, Computer Science**, or equivalent practical experience.

* Strong experience designing and building **distributed systems**.

* Strong knowledge of distributed systems and architectures.

* Experience with **asynchronous and event-driven systems**.

* Experience with messaging systems such as **Kafka and/or RabbitMQ**.

* Understanding of **idempotency and replayability**.

* Experience with **API and schema versioning**.

* Knowledge of resilience, failure handling, and **fault-tolerant system design**.

* Experience with performance optimization and **low-latency systems**.

* Experience with **AWS**, including cloud-based application development and integration testing.

* Experience with **Docker, Kubernetes, and AWS EKS**.

## Preferred Qualifications

* Experience in **financial services, trading, capital markets, and/or cryptocurrency**.

* Experience working with institutional digital asset or fintech platforms.

* Experience developing trading infrastructure or quantitative trading systems.

* Experience working in high-growth technology environments.

## Skills & Competencies

* Java

* Kotlin

* Backend Development

* Senior Software Engineering

* Distributed Systems

* Distributed Systems Architecture

* Event-Driven Architecture

* Asynchronous Systems

* Kafka

* RabbitMQ

* Messaging Systems

* Idempotency

* Replayability

* API Versioning

* Schema Versioning

* Resilience Engineering

* Fault-Tolerant Systems

* Performance Optimization

* Low-Latency Systems

* AWS

* AWS EKS

* Docker

* Kubernetes

* Cloud Application Development

* Cloud Integration Testing

* Authentication

* Authorization

* Application Security

* AI-Assisted Development

* Order Management

* Execution Algorithms

* Smart Order Routing

* Event Handling

* Business Services

* Trading Technology

* Fintech

* Digital Assets

* Cryptocurrency

* Capital Markets

## Education & Experience

* **8–10 years of engineering experience** is a stated hard requirement.

* Bachelor’s degree in IT or Computer Science, or equivalent practical experience.

* Strong professional experience with Java and/or Kotlin.

* Strong distributed systems engineering experience.

* Relevant experience with cloud-native application development, messaging systems, container orchestration, and low-latency architectures.

## Work Arrangement & Schedule

* **Remote**

* Listed location: **Zürich, Zürich, Switzerland (Remote)**

* The role description states that the position is based remotely and ideally suited to candidates within approximately **90 km driving distance of Lisbon**, who are able and willing to travel to meet colleagues potentially a few times per month.

* The source also describes Wyden as having been established in Zurich with a development hub in Poland.

* Specific working hours, shift requirements, and weekend requirements are not specified.

## Compensation & Benefits

* Listed compensation: **EUR 120–150** in the job platform's compensation field.

* The source listing does not provide additional compensation details.

* No specific benefits are detailed in the provided job description.

## Additional Information

Wyden provides institutional digital asset trading technology to financial institutions, with products used by banks, brokers, and financial services institutions. The engineering team focuses on scalable and modular trading infrastructure supporting digital asset products and operations.

The source describes financial services, trading, capital markets, and crypto experience as a **strong plus but not mandatory**.