Senior Backend Engineer, Post-Trade Platform

Flow Traders; Amsterdam; On-site; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Flow Academy

Daily catered lunch

In-house gym

Company boat

Bi-weekly massages

Annual company trip

Job summary

Flow Traders is seeking a Senior Software Engineer to own key post-trade domains, building scalable backend services and data pipelines. You will work across Trading, Operations, Risk, and Data teams to implement robust, automated solutions that deliver real business impact.

You should have 5+ years building distributed systems, with Java or C++, exposure to Python, and strong SQL/data modelling skills. Familiarity with Kafka and modern data tooling is highly valued.

Qualifications

• 5+ years of experience building distributed backend systems.
• Experience with Java or C++, exposure to Python.
• Strong understanding of distributed systems, data structures, algorithms, and event-driven architectures.
• Experience with Kafka and data-intensive ETL pipelines.
• Strong SQL and data modelling skills.

Responsibilities

• Own and develop critical post-trade domains such as reconciliation, settlement, booking, and reporting
• Work with Trading, Operations, Risk, Compliance, and Data teams to understand workflows and requirements
• Design and build scalable backend services and data pipelines
• Improve automation, data quality, resilience, and operational efficiency
• Contribute to the target architecture and technical roadmap
• Ensure observability, reliability, and data correctness across systems

Skills

Distributed backend systems

Java

C++

Python

SQL

Data modelling

Tools

Kafka

GCP

Kubernetes

CI/CD

Airflow

Spark

Flink

Prometheus

Grafana

OpenTelemetry

Job description

Flow Traders is seeking a Senior Software Engineer to own key post-trade domains, building scalable backend services and data pipelines. You will work across Trading, Operations, Risk, and Data teams to implement robust, automated solutions that deliver real business impact.

You should have 5+ years building distributed systems, with Java or C++, exposure to Python, and strong SQL/data modelling skills. Familiarity with Kafka and modern data tooling is highly valued.