Senior Software Engineer - OTC Trading at Flow Traders

✨ The Stack take on this Flow Traders job

• 🏢 This is Flow Traders's only job here right now
• 📊 20 Software Engineer jobs in the Netherlands in the last 60 days see them
• 🛂 Visa: Highly Skilled Migrant permit. 30 or older: €5,942 a month guide
• 💡 No salary shown. Ask Flow Traders if it is above the minimum.

Updated 2026-11-05, from our data and official sources.

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About the role

Responsibilities:
- Collaborate with traders, quants, Operations, Risk, and Compliance to gather requirements and map trading workflows (pre-trade, execution, post-trade, risk, compliance).
- Trace business processes and data flows and identify opportunities to improve resilience, automation, and operational efficiency.
- Design and deliver a new OTC Trading Engine covering Equities, ETFs, Fixed Income, and Crypto: define service boundaries, data models, interfaces, and event flows.
- Modernise existing applications: refactor, re-architect, and integrate with new platform components while balancing performance and simplicity.
- Implement high-performance services, data pipelines, and integrations across Java, C++, and Python stacks.
- Build event-driven systems using messaging/pub-sub patterns (e.g., Kafka) with production-grade testing, observability, and failure handling.
- Own delivery end-to-end: design, implement, deploy, monitor, and operate in production; embed monitoring, RCA, and recovery mechanisms.

Requirements:
- Proven experience building and operating distributed backend systems in production.
- Expert in either Java or C++; strong working knowledge of Python desirable.
- Deep understanding of distributed systems, concurrency, low-latency and high-performance design.
- Experience with event-driven architectures and Kafka or similar messaging platforms.
- Strong engineering fundamentals: testing, observability, automation, and operational resilience.
- Familiarity with container orchestration and platform tooling (Kubernetes, CI/CD) and production incident ownership.
- Clear technical communication skills and ability to work with cross-functional trading and engineering stakeholders.

Responsibilities

Own design and delivery of a new OTC Trading Engine across Equities, ETFs, Fixed Income, and Crypto. Define service boundaries, data models, interfaces, and event flows. Modernise existing applications while ensuring reliability and operability from discovery to production.

Requirements

Strong experience building and operating distributed backend systems in production, with deep knowledge of Java or C++ and Python. Proven ability to translate complex business requirements into robust technical solutions, with ownership mindset and strong stakeholder communication.

Key skills

• Java — in 360 other listings on The Stack
• C++ — in 133 other listings on The Stack
• Python — in 1200 other listings on The Stack
• distributed systems — in 342 other listings on The Stack
• event-driven architecture — in 60 other listings on The Stack
• Kafka — in 173 other listings on The Stack
• low-latency — in 3 other listings on The Stack
• high-performance — not in any other listing on The Stack
• testing
• observability
• automation
• Kubernetes

On The Stack (as of 2026-11-05)

• This is Flow Traders's only listing on The Stack.
• 66 visa-sponsored jobs in the Netherlands on The Stack, posted in the last 60 days.
• 195 visa-sponsored software engineer jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about Flow Traders

Is this Senior Software Engineer - OTC Trading role still open?

It was posted on 2026-11-04 and is listed as active on The Stack. Confirm on Flow Traders's application page before applying.

Does Flow Traders offer visa sponsorship?

This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Flow Traders's site.

Where is this role located?

The listing gives the location as Amsterdam, NL, Netherlands. It is marked on-site.

What skills does this role ask for?

The listing names: Java, C++, Python, distributed systems, event-driven architecture, Kafka, low-latency, high-performance, testing, observability, automation, Kubernetes.