Senior Software Engineer - Post-Trade Platform
Flow Traders is hiring a Senior Software Engineer - Post-Trade Platform in Amsterdam, Netherlands. Level rates it ; you can apply on Flow Traders.
Level's read on this job
- Level rates this software engineer role Little AI ●○○○: aI is not part of the work.
- The posting mentions Java, C and Python among its tools and skills.
- Level classes it as a senior role.
- Flow Traders has 44 other open roles on Level.
- Posted within the past week.
AI in this role
Senior Software Engineer building and scaling post-trade platforms and backend services using Java, C++, and modern data tech.
Flow Traders is building the next generation of its post-trade platform, covering trade capture, reconciliation, settlement, booking, reporting, and operational workflows across Equities, ETFs, Fixed Income, and Crypto. We are looking for a Senior Software Engineer to take end-to-end ownership of key post-trade domains, helping shape the platform architecture while building reliable, automated, and data-driven services.
This role is ideal for an engineer who enjoys solving complex problems, thinking in systems, and building high-quality platforms that deliver real business impact.
What you will do
- Own and develop critical post-trade domains such as reconciliation, settlement, booking, and reporting
- Work closely 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 of the post-trade platform
- Ensure observability, reliability, and data correctness across systems
What you need to succeed
- 5+ years of experience building distributed backend systems using Java or C++, with exposure to Python
- Strong understanding of distributed systems, data structures, algorithms, and event-driven architectures
- Experience with messaging technologies such as Kafka
- Hands-on experience building data-intensive systems, ETL pipelines, and analytical data solutions
- Strong SQL and data modelling skills
- Proven ability to own complex technical domains from design through production support
- Strong stakeholder management and communication skills
Nice to have
- Experience with post-trade workflows, including reconciliation, settlement, booking, or regulatory reporting
- Background in financial services, proprietary trading, or market making
- Experience with GCP, Kubernetes, CI/CD, Airflow, Spark, Flink, or similar technologies
- Knowledge of observability tools such as Prometheus, Grafana, or OpenTelemetry
What we offer
At Flow Traders, we create the conditions for hard‑working, high‑performing people to do their best work. From a thorough onboarding and ongoing access to Flow Academy, to latest technology and a collaborative, non‑hierarchical culture, we give you the tools, ownership, and support to move fast and drive outcomes. We keep a close‑knit, small‑company feel while offering competitive salary, annual discretionary profit share, and comprehensive benefits, so talent can grow here, and stay here. See our benefits below:
- Flow Academy and opportunities to attend domain-related conferences
- Daily catered lunch, great coffee, and a fully stocked kitchen and snack bar
- In-house Bar and Lounge with arcade, table tennis, billiards, and game consoles
- Company boat
- In-house gym and sessions with our nutritionist or personal trainer
- Bi-weekly massages
- Annual company trip and a variety of events throughout the year, such as the New Years Event
- Global rotations across our offices worldwide
- and more
Flow Traders does not accept unsolicited resumes from any professional staffing or search firms. All resumes, and any other information identifying potential candidates, submitted to any employee at Flow Traders via-email, the Internet or directly without a valid and signed search agreement will be deemed free to contact by Flow Traders without any restrictions and no placement fee of any kind will be paid in the event the candidate is hired by Flow Traders
How we rate this
Senior Software Engineer - Post-Trade Platform at Flow Traders rates 0 out of 100 for how much of the daily work is AI. That makes it Little AI (AI Level 1 of 4). The level is about AI in the job, not seniority.
Little AI. AI is not part of the work.
- ●●●● Builds AI80 to 100
- ●●●○ Works on AI60 to 79
- ●●○○ Uses AI40 to 59
- ●○○○ Little AI0 to 39
Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.
Prepare for this job
Built from this posting and from similar jobs on Level.
Skills and AI tools this role asks for
Also common in software engineer jobs at this level
Pay
- Typical software engineer job
- $167k
This posting doesn't list pay. Use the typical software engineer figure when pay comes up. See software engineer jobs
Questions you could be asked
- Tell me about a project where distributed systems was part of your work. What did you do?
- Tell me about a project where backend development was part of your work. What did you do?
- Tell me about a project where data engineering was part of your work. What did you do?
- Tell me about a project where sql was part of your work. What did you do?
- Tell me about a project where event driven architecture was part of your work. What did you do?
Adapt your resume
- List these exact terms on your resume: Distributed Systems, Backend Development, Data Engineering, SQL, and Event Driven Architecture. An applicant tracking system matches the wording, not the idea.
- Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
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