High-Frequency Trading Core Engineer | 42.com

Join our innovative team as a High-Frequency Trading Core Engineer at 42.com. In this pivotal role, you will work on cutting-edge technologies to develop and optimize trading systems that operate at lightning speeds. You will collaborate with talented engineers and traders to enhance the performance and reliability of our trading infrastructure.

C++ Software Engineer At IMC, technology is integral to our operations. Our cutting-edge, in-house developed software executes millions of trading decisions daily, enabling us to outperform our competitors through superior and rapid decision-making. Our C++ Execution development teams based in Amsterdam are responsible for software that operates within the latency-sensitive core of our technology stack, influencing every facet of our organization. This includes managing connectivity to the market, processing extensive data, implementing sophisticated trading algorithms, and integrating state-of-the-art hardware solutions. Your Core Responsibilities: As a C++ Software Engineer, you will collaborate within multidisciplinary teams alongside fellow engineers, traders, researchers, and quants to execute challenging projects while overseeing the entire product development lifecycle—from requirements gathering to deployment. You will craft robust, high-performance software, balancing production speed with quality and testability. Our commitment to advanced automated testing and daily deployments will facilitate agile and incremental advancements. In a complex environment of diverse systems and technologies, you will consistently evaluate trade-offs among latency, throughput, simplicity, scalability, and maintainability. Developing, testing, deploying, and maintaining applications and automation solutions for Trading and Hardware Development Teams. Interacting with internal clients to gather requirements and feedback, and implementing innovative automation solutions through creative coding practices.

Join Pinely, an innovative high-frequency algorithmic trading firm in Amsterdam, where we excel at developing robust strategies across diverse financial instruments and exchanges. Our commitment to excellence is reflected in our support for the Olympiad movement, and our team is comprised of award-winning mathematicians, researchers, and engineers.We are currently seeking a Junior Quantitative Researcher to become part of our dynamic Trading teams. This role will involve analyzing global markets and formulating profitable trading strategies. At Pinely, your contributions will be swiftly integrated into production, allowing you to see the impact of your ideas in a fast-paced high-frequency trading environment. Our research teams benefit from world-class infrastructure that guarantees seamless deployment and reliable experimentation at scale.We pride ourselves on a flat organizational structure that promotes autonomy, creativity, and ownership. Our informal, idea-driven culture celebrates innovation, making every contribution significant. If you believe this role aligns with your aspirations, we invite you to join us!

Join our dynamic team as a Senior Quantitative Researcher in our vibrant Amsterdam office. In this pivotal role, you will spearhead innovative research initiatives and take charge of mentoring and managing talented individuals.Key Responsibilities Leverage machine learning techniques to design and implement sophisticated statistical arbitrage strategies. Identify and evaluate new trading opportunities through in-depth analysis of market data. Craft features and models to forecast the behavior of numerous securities within a rapid timeframe of 10 seconds to 10 minutes. Collaborate with machine learning pipelines to enhance the strategy development process. Continuously optimize and refine existing models for better performance. Facilitate communication among internal teams to ensure cohesive strategy implementation. Provide mentorship and leadership to team members, fostering a culture of learning and growth. Requirements A minimum of 5 years of relevant experience in high-frequency trading (HFT) environments. Deep understanding and hands-on experience with machine learning models tailored for HFT strategies. Proficiency in managing ML pipelines across multiple exchanges, both independently and collaboratively. Demonstrated experience in developing complex statistical arbitrage strategies that capitalize on price discrepancies between multiple instruments. A strong desire to deepen your knowledge of high-frequency trading and apply it across numerous exchanges. Ability to manage the entire data pipeline from sampling and feature creation to production strategy deployment. Proficient in at least one programming language, with Python being the preferred choice. A confident, resilient, highly motivated, and proactive approach to work. A collaborative mindset, open to learning from colleagues with diverse backgrounds. Preferred QualificationsExperience in mentoring and managing interns or research teams.What We Offer Competitive base salary complemented by comprehensive social benefits. Generous bonus system and profit-sharing opportunities. We are open to discussing salary and employment conditions. Access to state-of-the-art hardware and software, coupled with a high level of technical expertise, enabling the implementation of innovative ideas and achieving exceptional results. Opportunity to engage in trading across a multitude of international exchanges. A flexible work environment that prioritizes efficiency over bureaucracy, with an adaptable work schedule. Tuition reimbursement and sponsorship for conferences and training.

Join Jump Trading as a Site Reliability Engineer in our Trading Operations team. In this pivotal role, you will ensure the reliability and performance of our trading systems, utilizing your expertise to implement best practices in system design and operations.Your responsibilities will include monitoring system performance, troubleshooting issues, and collaborating with software engineers to improve system architecture. Your contributions will play a critical role in maintaining our competitive edge in the trading industry.

At IMC, technology underpins our operations, enabling us to drive millions of trading decisions each day. Our cutting-edge in-house software empowers us to surpass our competitors with swift and efficient decision-making.Located in Amsterdam, IMC's Trading Strategy Software Engineers are responsible for crafting a diverse array of applications, systems, and tools. This includes the implementation of trading algorithms, options pricing, volatility assessments, simulation frameworks, and data analysis and visualization tools tailored for traders.

Join our dynamic team at Adyen as an Engineering Manager for the Protect Core division. In this pivotal role, you will lead a talented group of engineers, driving innovative solutions that enhance our fraud prevention capabilities and ensure a seamless experience for our clients. Your leadership will empower your team to excel in a fast-paced environment, where collaboration and creativity are essential to success.

Mendix builds a low-code application development platform used by organizations worldwide to launch new ideas quickly. Since joining Siemens in 2018, Mendix has blended the scale of a global software company with the flexibility of a fast-growing team. The Solutions Engineer - Core AI position is available in several cities: London, Rotterdam, Amsterdam, Munich, Berlin, Erlangen, Frankfurt, or Stuttgart. This role centers on developing and scaling hybrid agentic workforces by combining low-code tools, AI, data, and system integrations. The goal is to help organizations efficiently create and orchestrate agents and applications. What you will do Design and build customer-facing prototypes and lighthouse projects to test and validate AI-driven integration scenarios. Lead strategic workshops and technical sessions with both customers and internal teams, focusing on agentic AI workflows and advanced integrations. Transform successful customer projects into reusable assets, such as reference architectures, blueprints, accelerators, and scalable patterns. Act as the technical lead for agentic system design, guiding tool selection, orchestration, and multi-agent strategies. Develop and manage complex integration architectures to ensure smooth operation across diverse platforms.

Role overview The Senior Software Engineer, Core Experiences role at Speechify centers on shaping how users interact with the product. Based in Amsterdam, this position works alongside engineers and designers to deliver improvements that influence the direction of Speechify’s offerings. The work directly impacts the way people engage with Speechify’s core features. What you will do Develop and enhance features central to the user journey Collaborate with colleagues to design, build, and maintain reliable software Offer input that supports the ongoing evolution of the product vision Address changing user needs as they arise Location This position is located in Amsterdam, Netherlands.

Join our dynamic team at Chicago Trading Campus as a Quant Trading Associate in Amsterdam. In this role, you will be at the forefront of algorithmic trading strategies, leveraging quantitative analysis to drive successful trading outcomes. Your passion for data and finance will be instrumental in optimizing our trading models and enhancing our market position.

Stay Connected with IMC Trading After ICLR 2026 IMC Trading welcomes interest from attendees at ICLR 2026. Completing our brief form is not a formal job application, but it helps us keep in touch and consider your profile for future roles. After the conference, our team will review submissions and reach out if your background matches upcoming opportunities. Locations Amsterdam, Netherlands Chicago, United States Hong Kong, Hong Kong Mumbai, India New York, United States Sydney, Australia We look forward to staying in contact and exploring how you might contribute at IMC Trading.

Join IMC as a Trading Recruiter and play a pivotal role in expanding our talent acquisition initiatives across Europe. Your expertise will be essential in attracting and securing top-tier talent in trading and quantitative research, which are vital for our ongoing success. Collaborating closely with business leadership and global recruitment teams, you will design and implement innovative hiring strategies that align with our long-term vision, ensuring we consistently bring in the best talent in the industry.Your Key Responsibilities:Manage the complete recruitment process for trading and quantitative research roles across Europe.Serve as a trusted advisor to hiring managers, providing insights on market trends, candidate availability, and recruitment best practices.Utilize your deep understanding of IMC’s culture and industry to develop creative sourcing strategies that target both passive and active candidates in competitive markets.Build and maintain a robust industry network to proactively identify and attract top candidates from specialized fields.Assess candidates for both technical skills and cultural fit to ensure alignment with the hiring team’s needs.Deliver a personalized and engaging candidate experience that showcases IMC’s unique strengths.Continuously evaluate and enhance recruitment processes to optimize efficiency and quality of hire.Provide regular updates to stakeholders, celebrating successes, addressing challenges, and offering data-driven insights to shape recruitment strategies.

Jump Trading Group is dedicated to pioneering research at the highest level. We empower brilliant minds in Mathematics, Physics, and Computer Science to explore and redefine scientific boundaries, applying cutting-edge research to global financial markets. Our unique culture fosters continuous innovation, demanding creativity, intellectual integrity, and a fierce competitive spirit. We believe in collaborative success, unlocking individual talents through teamwork and mutual respect. At Jump, the outcomes of our research transcend mere financial gains; we design, develop, and implement technologies that transform industries, support startups across various sectors, and collaborate with leading research institutions and universities to address complex challenges.The Quantitative Research teams at Jump Trading delve into global markets, striving to unravel the intricacies of diverse traded products and exchanges. They utilize exceptional statistical analysis and data mining expertise, applying their research findings to make forecasts and create profitable predictive trading models.

The energy sector faces rapid change as regulations shift, sustainability goals evolve, and prices fluctuate. At budgetenergie in Amsterdam, the Business Developer Trading role focuses on turning these market signals into practical solutions that help lower energy costs for customers. Role overview This position operates at the intersection of market trends, trading, and commercial strategy. The work involves identifying developments such as ETS2, green gas, blending obligations, and power purchase agreements (PPAs), then shaping these into new business propositions. From initial idea through to launch, you will guide these initiatives across the organization. Key responsibilities Translate market changes (ETS2, green gas, blending obligations, PPAs) into new propositions Build and justify business cases for proposed ideas Make complex market information clear and actionable for colleagues Refine processes to support smooth implementation of new propositions Collaborate with trading, commercial, IT, legal, business intelligence, and external partners Support and advise decision-makers using market and data insights Success in this role means launching new propositions that directly reduce energy bills for customers. The team The Trading Portfolio Management team includes traders, a process manager, data analysts, and developers. The team closely monitors the market and seeks out new commercial opportunities. There is space to identify and develop ideas that align with the company’s strategic direction. In this role, you will take ownership of projects from the first concept through to full implementation.

Join Securitas as a High Risk Supervisor, a pivotal role responsible for overseeing security operations in high-risk environments. You will lead a dedicated team, ensuring the safety and security of personnel and assets. Your expertise will be vital in implementing security protocols and addressing challenges effectively.

About Five RingsFive Rings LLC is a leading proprietary trading firm dedicated to integrating strategy, innovation, and cutting-edge technology to excel in the global financial markets. With a presence in New York, Boca Raton, London, and Amsterdam, we engage in diverse trading activities across both established and niche markets. Our team is committed to identifying new opportunities, assessing associated risks and rewards, and crafting sophisticated strategies and tools to harness them.We foster an open culture that promotes the seamless exchange of knowledge and ideas across all departments.About the RoleWe are looking for a Trading Assistant to join our Amsterdam office. In this role, you will be responsible for accurately entering and updating orders in a dynamic trading environment, coordinating with traders to ensure the timely and accurate flow of information, and continuously monitoring market conditions. The ideal candidate thrives in a fast-paced, time-sensitive atmosphere and is adept at multitasking, prioritizing critical market data input. You will also be tasked with daily trade reconciliation, ensuring precision by comparing trade records with our internal documentation.Please note that this position requires on-site work five days a week, in alignment with trading hours.About YouThe ideal candidate will possess a bachelor's degree, be a proactive self-starter, and demonstrate exceptional communication skills. The ability to perform efficiently in a fast-paced environment while maintaining attention to detail and strong organizational abilities is vital for success in this role.

In 2023, IMC Trading acquired Altas Technologies, an innovative algorithmic trading firm dedicated to constructing the most advanced trading stack for the future. This merger combines Altas' sophisticated trading strategies with IMC's robust execution and scaling capabilities, fortifying IMC's market presence and promoting long-term stability and growth.The Altas team specializes in developing resilient, fully automated systems designed to predict and trade in cryptocurrency markets. As a technology-driven and analytical group, we create state-of-the-art systems, ranging from high-performance trading platforms to distributed machine learning and research infrastructures. Joining our team presents a unique opportunity to contribute to our ambitious goals in scaling crypto strategies during a pivotal growth phase.Your Core Responsibilities:As part of a dynamic core development team of around five individuals, you will leverage cutting-edge technologies on both new initiatives and the optimization of existing systems. This team enjoys complete end-to-end ownership of their technological stack. In this role, you will:Ensure reliable, high-quality data ingestion from external sources while centralizing data processing with a strong emphasis on optimization.Collaborate closely with research teams to fulfill their data requirements.Champion and implement automation across systems to accelerate deployment cycles.Engage hands-on with business data—analyzing, validating, and troubleshooting to ensure it aligns with organizational needs.Stay abreast of the latest technology trends in the industry; propose, assess, and integrate innovative solutions.Focus heavily on system automation and CI/CD practices to facilitate rapid software deployment.

Join our dynamic Trading Systems team at Pinely as a C++ Developer! If you are passionate about optimizing trading systems and leveraging cutting-edge technology, this is the perfect opportunity for you. Our team is dedicated to enhancing the efficiency of our trading operations, utilizing everything from low-level assembly optimizations to Linux kernel modifications and FPGA integration. Your contributions will directly influence our trading performance, efficiency, and profitability.Collaborate with a group of exceptionally talented engineers, including ICPC gold medalists and CTF competition winners, who are eager to share their knowledge and expertise.

At IMC, technology is the foundation of our operations. Our cutting-edge proprietary software drives millions of trading decisions every day, allowing us to stay ahead of the competition through rapid and efficient decision-making. In 2023, IMC expanded its capabilities by acquiring Altas Technologies, a dynamic algorithmic trading firm dedicated to developing the most advanced trading stack for the future. This strategic acquisition combines Altas's sophisticated trading strategies with IMC's robust execution and scaling capabilities, reinforcing our market position and paving the way for sustained stability and growth. The Role You will join a dedicated team of engineers collaborating closely with a larger group of researchers. This structure is intentional — it drives us to create high-quality, efficient systems. With limited personnel, we must ensure the reliability of our systems. You will take full ownership of what you build: from design, through implementation, to maintenance. The role encompasses a wide range of responsibilities: real-time ML inference powering trading strategies, the large-scale data infrastructure that supports it, and the research platform that enables quantitative researchers to discover alpha. If you prefer to specialize in just one area and delegate the rest, this may not be the position for you. We delve deeply into every aspect of our work, which presents exciting challenges and continuous learning opportunities. How We Work Competence is our standard, not our distinguishing factor. While individual performance is important, what truly differentiates us is the caliber of our ideas and our collaborative spirit — we value discussion and mutual respect, leaving egos at the door. Responsibilities Develop and refine the real-time inference system — delivering ML predictions with sub-millisecond latency as part of a live trading system. Construct and sustain petabyte-scale data and ML infrastructure — ensuring high-throughput ingestion into our data lake, orchestrating end-to-end ML pipelines, and managing everything in between. Facilitate alpha research and transition it to production — create the research platform that researchers rely on daily: ensuring rapid loading of TB-scale datasets, providing horizontally scalable compute for experiments, conducting feature engineering, and performing backtesting. Collaborate with researchers to rapidly implement their concepts into production without compromising quality. What We Expect From You You should be proficient in a systems programming language — preferably Rust or C++ — along with Python. Mastery of both is essential for navigating the entire stack.

At the forefront of modern electronic trading, technology plays a critical role. IMC is on the lookout for exceptionally motivated individuals to leverage quantitative research methodologies and hands-on experimentation within the technology utilized by exchanges, connectivity providers, and our proprietary systems. Your mission will be to devise innovative strategies that enable us to outperform competitors in the fiercely competitive realm of ultra-low-latency trading.As a Performance Engineer at IMC, you will be integral in analyzing, optimizing, and fine-tuning the interaction of our systems with exchange technologies. Collaborating with cross-functional teams, you will be charged with identifying performance enhancements throughout the trading stack. This position merges technical expertise with innovative problem-solving to strategically outmaneuver the competition in a highly demanding technical environment.