Senior Software Engineer, Trading & Custodian Integrations

As a Senior Software Engineer Custodian & Trading Integrations you will build the systems that connect Performativs investment platform to custodians brokers trading venues and market infrastructure. You will work on complex financial integrations across legacy file-based formats modern APIs trading applications and reconciliation workflows that sit at the heart of the investment management lifecycle.

What youll do

• Own and build integrations with custodians brokers trading venues and other financial infrastructure providers.

• Design develop and operate data flows across positions transactions cash instruments orders executions settlement and corporate actions.

• Work with both legacy financial formats and modern integration methods including files APIs message-based flows and event-driven architectures.

• Build reliable ingestion validation reconciliation and monitoring systems for high-volume investment data.

• Develop and improve trading-related workflows including order routing execution flows confirmations allocations and reconciliation against custody data.

• Investigate complex production issues across internal systems external providers and client environments.

• Work closely with Product Operations and Engineering teams to understand real-world investment workflows and turn them into scalable systems.

• Help improve the quality observability and resilience of Performativs custodian and trading network.

• Make pragmatic technical decisions that balance speed correctness scalability and long-term maintainability.

• Contribute to the technical direction of a core platform area that is critical to Performativs growth.

What were looking for

• You have 4-10 years of professional software engineering experience ideally in fintech banking asset management wealth management trading or financial infrastructure.

• Experience with trading applications FIX order management systems execution management systems broker APIs or low-latency compute is highly preferred.

• You have experience building and maintaining production systems where correctness reliability and data integrity matter.

• You understand or are highly motivated to understand the investment management lifecycle including custody settlement instruments transactions cash movements market venues and portfolio data.

• You have worked with complex integrations including APIs file-based formats message queues SFTP flows FIX or other financial protocols.

• You are comfortable debugging complex real-world data issues across multiple systems and providers.

• You have strong backend engineering skills and are comfortable working with technologies such as Python Golang PHP TypeScript MySQL Redis AWS and CI/CD tooling.

• You understand how to design systems that are observable testable and resilient under production usage.

• You can work closely with non-engineering stakeholders and explain technical issues clearly.

• You have a structured analytical mindset and strong attention to detail.

• You take ownership of problems end to end from discovery and design to implementation production support and continuous improvement.

• Experience with reconciliation between trading portfolio and custody systems is a strong plus.

• Experience in regulated environments or mission-critical financial systems is a plus.

• You actively use AI or agent-assisted development tools and think critically about how to apply them responsibly to increase quality and speed.

What we can offer you

• Trust and responsibility to shape the future of Performativs success in the European market from day 1.

• Join a fast-growing fintech scaleup supported by top-tier VCs.

• Work with intelligent passionate and driven professionals with experience from leading institutions (such as Goldman Sachs McKinsey BCG Amazon etc).

• Accelerate your career with opportunities for professional development and leadership.

Join a Team of Fintech heroes!

Performativ is making waves in the wealth management ecosystem and is changing the way investment advisors and financial institutions do business around the world. Working at Performativ means working at a fast-paced tech scaleup with intelligent people who are passionate about their work. We are on a scaling journey beyond all metrics and expectations - and cant wait to have you join us in making a real impact.

We are funded by some of the leading VC funds in the world and expectations are set to be established as a European market leader in a record amount of time.

You can read more about our product at

We value passion

At Performativ we are builders first. We are passionate with ambitious goals and value the time and effort people put into their work. You will be part of the family from day one and responsible for making your mark and driving forward your vision. Autonomous work is embedded in our culture and we are committed to ensure you have all the tools and support you need while acknowledging the importance of flexibility.