Two Sigma is a leading quantitative investment management and trading firm. The company applies a scientific approach to investing, combining cutting-edge technology, artificial intelligence, data science, and quantitative research with rigorous human inquiry to capitalize on market opportunities and deliver alpha for investors. Our team of engineers, quantitative researchers and data scientists looks beyond the traditional to test hypotheses and develop creative solutions to some of the world’s most complex economic problems. Two Sigma Securities brings a scientific approach to systematic trading and risk management to make markets more efficient. Our team trades equites, options and futures, leveraging our high performance trading system to execute over 850 million shares per day. Two Sigma Securities is entering an exciting growth phase. We value the insights of our colleagues and encourage them to innovate and shape their own work agenda. New joiners use our proprietary platform to work on diverse projects. From building next generation trading technologies and researching novel AI and machine learning techniques to enhancing our strategies and deploying automation, our team is pushing the frontier in systematic trading We are looking for a Software Engineer to join our Wholesale Market Making (WMM) Engineering team. This role will involve building trading systems and research infrastructure for a market-making business that provides liquidity to retail brokerages, working at the intersection of high-performance engineering and quantitative finance. This is a high-impact opportunity on a small, focused team with clear and measurable outcomes, where the engineer will help shape a modern trading platform from the ground up while collaborating daily with top-tier researchers and traders. You will take on the following responsibilities: • Design, build, and optimize a next-generation, low-latency, high-throughput trading platform • Develop and maintain research infrastructure supporting strategy development and analysis • Collaborate closely with quantitative researchers, modelers, and traders to solve pivotal business problems • Deliver engineering work that directly impacts trading performance and revenue You should posses the following qualifications: • Minimum 1 year of experience in software engineering required; 5+ years in cutting-edge software engineering preferred • A Bachelor's degree with Honours in a relevant discipline required, or a Master's degree in Computer Science, Engineering, or a related field • Proficiency with Python, Java, C, or C++ • Interest in distributed, high-performance, and low-latency systems • Ability to collaborate effectively with technical and business stakeholders • Experience in trading, financial systems, or other latency-sensitive domains is a plus but not required You will enjoy the following benefits: • Core Benefits: Fully paid medical and dental insurance premiums for employees and dependents, competitive 401k match, employer-paid life & disability insurance • Perks: Onsite gyms with laundry service, wellness activities, casual dress, snacks, game rooms • Learning: Tuition reimbursement, conference and training sponsorship • Time Off: Generous vacation and unlimited sick days, competitive paid caregiver leaves • Hybrid Work Policy: Flexible in-office days with budget for home office setup The base pay for this role will be between $165,000 and $250,000. This role may also be eligible for other forms of compensation and benefits, such as a discretionary bonus, health, dental and other wellness plans and 401(k) contributions. Discretionary bonus can be a significant portion of total compensation. Actual compensation for successful candidates will be carefully determined based on a number of factors, including their skills, qualifications and experience. We are proud to be an equal opportunity workplace. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity/expression, age, status as a protected veteran, status as an individual with a disability, or any other applicable legally protected characteristics. Two Sigma is committed to providing reasonable accommodations to qualified individuals in accordance with applicable federal, state, and local laws. If you believe you need an accommodation, please visit our website for additional information.