Senior Backend Engineer - AI for Trading Platform (Remote)

Trading 212; Poland; Hybrid; PLN 240,000 - 360,000; Full time

Job summary

Trading 212 is hiring engineers to build the AI Financial Assistant, empowering millions of users with real-time market data and insights. You will own end-to-end development in autonomous teams, shaping scalable, high-performance services that meet business needs with reliable deployments.

Our stack includes Java 21, Spring, PostgreSQL, Kafka, Docker, AWS, and Kubernetes. Remote or hybrid work is available, with benefits tailored to location and team collaboration needs.

Qualifications

• Experience building services in a microservices architecture.
• Strong understanding of HTTP, WebSockets, and AMQP.
• Experience with at least one modern web framework.
• Deep understanding of relational databases and high-performance design.

Responsibilities

• Develop solutions by taking a holistic approach to problem solving, understanding business needs, service architecture, and underlying technologies and infrastructure.
• Engage in the full SDLC: from forming requirements, design, implementation, testing, deployment, to monitoring, ownership sits with you end to end.
• Take full ownership of your code and maintain it to a high standard, continuously improving and refactoring when needed.
• Build for performance, scale, and resilience, operating in an environment where downtime, latency, and data loss are not acceptable.
• Work in small, autonomous teams with short release cycles, balancing speed with engineering discipline.
• Learn from peers and actively share knowledge, contributing to a culture of honest feedback and continuous improvement.

Skills

AI-driven development

Microservices

Web protocols

System design at scale

End-to-end ownership

Tools

Java 21

Spring

PostgreSQL

MariaDB

Redis

Kafka

ClickHouse

Elasticsearch

Docker

Grafana

AWS

Kubernetes (k8s)

Kibana

Job description

Trading 212 is hiring engineers to build the AI Financial Assistant, empowering millions of users with real-time market data and insights. You will own end-to-end development in autonomous teams, shaping scalable, high-performance services that meet business needs with reliable deployments.

Our stack includes Java 21, Spring, PostgreSQL, Kafka, Docker, AWS, and Kubernetes. Remote or hybrid work is available, with benefits tailored to location and team collaboration needs.