Senior Research Engineer (Based in Hong Kong)

ThreatFabric

YOUR MISSION About the Job Title: Senior JavaScript Security Researcher Position: Full-time | 40 hours per week  Location: Amsterdam, Netherlands | Work From home (2-3 days per week in the office)  Salary Range: 80.000,- to 100.000,- annually  At ThreatFabric, we help the world's leading banks stay ahead of fraudsters, scammers, and cybercriminals. Our technology protects millions of users every day by detecting fraud, malware, and emerging attack techniques before damage is done. As a Senior JavaScript Security Researcher, you'll explore new browser capabilities, uncover detection methods, and turn cutting-edge research into real-world protection used at global scale. Your discoveries won't remain on a whiteboard, they'll directly help safeguard people and businesses around the world As a senior JavaScript Security Researcher, you’ll be responsible for maintaining our FRS web SDKs. Next to that you’ll be driving the new (detection) capabilities of our SDK. This includes detecting and investigating fraud patterns & trends. You’ll be working closely with Threat Analysts and Product teams to enhance fraud detection. Part of your job is exploring and experimenting with (new and upcoming) browser APIs, and research how these APIs can be used to create new and novel detections mechanism. This requires a creative and out-of-the-box mindset. Proven experience with browser and JavaScript security research is a plus.  The position  You should have the ability to research, develop, manage, test, and deploy browser-based JavaScript code in the following areas:  * Latest browser fingerprinting tactics * Ability to research the underlying working of browser APIs * Ability tocome up withnovel to use these APIs for detection; this includes looking for anomalies, side channels, and other side effects of these APIs * Creating a production ready web SDK Your daily work is to collaborate with the behaviour and device risk analytics tech team including backend engineers, data scientists and product managers.  You are expected to be able to work with minimal guidance as lead research and JavaScript engineer.   Since you will be working in a startup environment, passion and motivation are key to success and pleasure at work.  Responsibilities  Your key responsibilities will include:  * Maintaining our FRS web SDKs * Driving the new (detection) capabilities of our SDK * Detecting and investigating fraud patterns & trends * Working closely with Threat Analysts and Product teams to enhance fraud detection * Exploring and experimenting with (new and upcoming) browser APIs * Researching how these APIs can be used to create new and novel detections mechanism What We Offer * A 12-month employment contract with the intention to extend. Subject to mutual satisfaction, this may lead to a permanent position. * A competitive salary that reflects your skills and experience with a salary range between:80.000,- to 100.000,- annually. * 25 Holidays per year * 8% holiday allowance (included in annual salary). * A Pension Scheme. * A stimulating and supportive work environment that encourages growth and development. * The opportunity to make a meaningful impactina rapidly growing tech company. * Flexible Remote / Hybrid work from home options to promote work-life balance. * Flexible working hours. * ActiveThreatFabric events and FitFabric bootcamps.  * Active knowledge sharing huddles. YOUR PROFILE Skills and qualifications  * 8+ years relevant experience in JavaScript and or framework development.  * Familiar with Browser APIs including APIs needed for browser, mouse, keystroke, scroll dynamics.  * Able to work with Open Source development workflow using git.  * Excellent debugging and problem-solving skills.  * Knowledge of Docker is a nice to-have. * Proficient English writing skills to document work and communicate project status. * Be a team player and feel comfortable communicating and collaborating with other team members. Creativity and Innovation: * Generates and implements creative, innovative solutions to complex problems. Problem-Solving: * Communicates solutions clearly and concisely. * Possesses a scale-up mentality where flexibility and adaptability are key. Communication and Interpersonal Skills: * Communicates technical concepts effectively to diverse audiences. * Thrives in collaborative environments, fostering teamwork and cooperation. * Demonstrates empathy and understanding in interpersonal interactions. Continuous Improvement: * Actively seeks opportunities to enhance workplace practices and product quality. * Embraces a mindset of ongoing learning and development to stay ahead of industry trends. Information Security, Business Continuity & Privacy: * Proactively engages in maintaining information security and privacy standards. WHY US? About ThreatFabric At ThreatFabric, we're not just shaping the future of cybersecurity - we're defining it. With our headquartered in the vibrant city of Amsterdam, ThreatFabric stands at the forefront of combating online fraud, mobile malware, and threat intelligence.   Costly online scams, fraud and malware attacks are rampant. Victims’ life savings are stolen, but so are their confidence and trust. On top of this, financials' brand and reputation are damaged. Many lack online visibility to trigger prompt reaction, and the industry faces regulatory reimbursement pressure.   This is why ThreatFabric provides web and mobile security: scam, fraud and malware detection and prevention, and threat intelligence to be proactive. We help the biggest financial brands protect their customers and their reputation in a world where attacks escalate, and trust erodes.   Join Our Dynamic Team Ready to dive into the heart of innovation? Our team is a melting pot of talent, passion, and expertise from all corners of the globe. Behind ThreatFabric's success lies a diverse ensemble of technical experts, data scientists, and thought leaders united by a passion for innovation. With a global perspective and a collaborative spirit, our team leverages innovative technology and thousands of data points to deliver security solutions.   As a scale-up, we embrace a scale-up mentality where flexibility, adaptability, and a dynamic approach are essential.   Our Core Values At ThreatFabric, our culture is defined by three guiding principles: * One Team: Collaboration fuels our success as we work together to tackle complex challenges. * Continuous Excellence: We're committed to pushing boundaries and exceeding expectations in everything we do. * Customers at the Heart: Our customers are not just clients — they're partners. Their success is our priority. Interested? Are you as excited about this opportunity as we are? We can't wait to hear from you! Apply through the Personio link, and let's make innovation happen together! We aim to fill this vacancy in 2025.   What's next? So, you've hit send - what happens now? First, we'll do a screening to ensure we're a good match. If all goes well, you'll be invited for an initial chat with us. Then, there's a second interview, and we may include an assessment to better understand your skills. Ready to take the plunge?   Please note: Pre-employment screening is part of our selection proces, together with an technical assessment. We do not accept unsolicited resumes from recruiters or employment agencies.

Flow Traders

Flow Traders is looking for Senior C++ Software Engineers to join our growing team in Amsterdam. Software Engineers at Flow Traders provide us with our competitive edge, equipping Researchers and Traders with the information and capabilities that they need to make sound business decisions. C++ plays a critical role in our event-driven trading systems, which are designed to reliably handle vast amounts of data at ultra-low latencies. As a C++ Engineer, you will build systems used to analyze and trade tens of thousands of products across hundreds of global trading venues every day. Working closely with Technologists, Quantitative Researchers, and Traders, you’ll guide the development of our in-house trading technology and optimize it to achieve market-leading performance and reliability. Our proprietary trading platform includes everything from venue connectivity (feed handlers and ordering gateways) to trading engines to shared platforms that enable us to work quickly and efficiently - we are proud of our open and collaborative culture, so you’ll have plenty of opportunity to find what fits you best. Teamwork is one of our most important firm values, and end users are never more than a short walk away, guaranteeing short feedback loops and immediate insight into the value that your code provides. To foster collaboration and innovation, we maintain shared libraries, encourage code re-use, and continuously evolve our views on application architecture. WHAT YOU WILL DO: Main technical activities include: For all C++ openings: * Lead the development and global rollout of our Core platform used in multiple business/focus groups (Market data, Quantitative research, Pricing, Strategies) * Be involved in the development process, which will be a fast-paced iterative process where you deploy your deliverables and validate them yourself and/or together with traders or quants * Develop tools/frameworks to deliver capabilities for tuning/develop data-driven systematic pricing and trading strategies * Work together with focus group engineers, Quants and Technical traders to refine requirements, collect feedback, and iterate on design and implementation of platform requirements Exchange Connectivity: * Write software that communicates with exchanges through their APIs, receiving market data and sending orders over the network in different protocols, such as FIX, Websocket or HTTP requests * Ensure quality of software based on a set of testing suites, which you are expected to use, maintain and extend * Optimize exchange communication through kernel bypass, optimizing TLS or the connection handling to an exchange * Research exchange behavior in detail to align our behavior to that of an exchange * Implement these solutions using the provided exchange SDKs in different languages such as C++, Rust, Python, Typescript Trading Strategies: * Implement trading algorithms based on requirements provided by traders and quants * Acquire and develop the necessary trading knowledge to successfully translate the requirements into actual software implementation * Continuously improve the stability, reliability, and performance of the trading engine * Enhance monitoring and observability in collaboration with the Trading Operations team * Investigate and resolve production issues such as crashes, unexpected business logic behavior, and performance bottlenecks * Prepare for releases and deployments of new trading engine versions WHAT YOU NEED TO SUCCEED * BSc, MSc, or PhD in Computer Science, Mathematics or equivalent * 5+ years post-graduation professional C++ software development experience (proprietary trading industry preferred) *  Ability to write clean, reliable, and highly scalable code * Good knowledge of algorithms and data structures * Experience in parallel, asynchronous, and multithreaded programming *  Interest in achieving maximum performance from available hardware and software *  Ability to communicate with technical and non-technical business colleagues 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

Qube Research & Technologies

Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology and data driven group implementing a scientific approach to investing. Combining data, research, technology and trading expertise has shaped QRT’s collaborative mindset which enables us to solve the most complex challenges. QRT’s culture of innovation continuously drives our ambition to deliver high quality returns for our investors. Your future role within QRT: * Design, build, and operate the data platform powering quantitative research and backtesting. * Develop production-grade Python applications to acquire, process, validate, and distribute market and reference data. * Build and operate scalable, automated data pipelines using technologies such as Apache Airflow and AWS Batch across AWS and QRT's compute infrastructure. * Ensure data quality, validation, reconciliation, and observability across critical production pipelines. * Design systems that efficiently process large-scale datasets while supporting compute-intensive research workloads. * Collaborate closely with quantitative researchers, software engineers, and infrastructure teams to accelerate dataset onboarding and improve research productivity. * Drive engineering best practices with a strong focus on software quality, automation, scalability, and operational excellence. Your present skillset: * 5+ years of experience building production-grade data platforms or large-scale data processing systems. * Strong Python software engineering experience. * Hands-on experience with Apache Airflow or similar workflow orchestration platforms. * Experience with AWS services including S3, EC2, AWS Batch, IAM, CloudWatch, and cloud SDKs. * Strong understanding of data quality, validation, testing, monitoring, and observability. * Good understanding of distributed data processing concepts. * Strong Linux skills and experience developing and supporting production systems. * Excellent problem-solving skills with the ability to collaborate effectively across research, engineering, and infrastructure teams. Nice to have: * Experience working with market or financial data. * Knowledge of non-equity asset classes (e.g. futures, fixed income, commodities, FX). * C++ development experience. * SQL proficiency. * Experience with Docker, Kubernetes, and Infrastructure-as-Code (Terraform or CloudFormation). * Familiarity with Apache Parquet, Apache Arrow, or distributed processing frameworks such as Spark, Ray, or Dask. QRT is an equal opportunity employer. We welcome diversity as essential to our success. QRT empowers employees to work openly and respectfully to achieve collective success. In addition to professional achievement, we are offering initiatives and programs to enable employees achieve a healthy work-life balance.