Lead Sr Security Software Engineer 2c Application Security Manager Specialist in Amsterdam

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. AML Compliance Investigations Team Lead A key part of building our business is ensuring we do it with sustainable outcomes, compliant with regulations. Trust from all stakeholders is a key enabling factor to make Adyen successful in the long term. To achieve this, Adyen has organized a mature Second Line function that partners with the business to cut through financial crime risk complexities and power sustainable growth. Our Anti-Money Laundering (AML) Compliance team and framework are at the core of this. Within the global AML Compliance team, we are looking for an experienced professional located in Amsterdam and with a proven track record in AML Compliance. They will be leading the AML Compliance Investigations team, which is conducting Second Line AML Investigations and is responsible for the submission of Suspicious Activity Reports (SARs) to multiple local Financial Intelligence Units (FIUs). The mandate is to further grow this team of talented investigators, and develop beyond investigations into the proactive maintenance of SAR program oversight, managing local nuances, FIU contacts, and providing the rest of the Adyen organization insights into SAR trends and management reporting. So: this is not an operational role managing the status quo, but on top of this enabling Adyen to grow in a compliant manner. What you’ll

About BlockTech BlockTech is a fast-paced algorithmic trading firm facilitating global cryptocurrency derivatives and spot trading while expanding into new markets. As we continue to grow rapidly, we are looking for a Senior Software Engineer to take technical ownership of our Core systems and help shape how they evolve through our scale-up phase. This is a role for an engineer who has already built and operated correctness-critical systems at scale and who wants their technical decisions to set direction, not just follow it. What will you do? You will own the systems that keep our trading operation accurate at every level — positions, PnL, instruments, hedging, and the data flowing between them. Across exchanges and asset classes, your work determines whether the numbers our traders and risk team rely on are correct. As a senior engineer, you will also set the technical standards the rest of the team builds against. You will: Own the books. Maintain and evolve our position, trade, and PnL systems so they remain accurate across every venue. Architect the platform that supports trading. Design services that handle real-time exchange flow with the throughput and reliability our quoting and hedging depend on, making the structural calls that keep them fast and correct under load. Own the data flows. Operate and harden the public and private pipelines bringing market prices, account state, and trade events into our systems in real time. Lead venue integrations end-to-end. Deliver exchange and prime-broker integrations across protocol, account model, settlement, reconciliation, and surveillance and define the patterns we reuse for the next one. Model the instrument universe. Own the systems describing every tradable instrument - lifecycle, expiry, margin, RFQs, fast-path quoting - where both correctness and latency matter. Build self-healing systems. Design the detection and repair flows that identify position discrepancies and correct them automatically. Own hedging inf