Reliability Engineer - Trading
The Trading Reliability Engineering team at Two Sigma focuses on improving the reliability and maintainability of core trading systems. The role involves leading engineering support for large distributed software applications and developing tools to automate processes and enhance operational efficiency.
Corporate HR Business Partner
The Corporate HR Business Partner will collaborate with leaders and teams to build effective people strategies, mentor managers and individual contributors, and drive HR initiatives including talent acquisition, performance management, and organizational design. The role requires partnering closely with HR colleagues and business leaders to foster a collaborative, data-driven culture.
Software Engineer, Modeling Engineering
This role involves developing software and analysis tools to enhance modeling and trading strategies at Two Sigma, a financial sciences company. You'll work closely with quantitative researchers to build tools, optimize trading platforms, and analyze performance metrics while contributing to productivity improvements and risk management across trading businesses.
Software Engineer, Enterprise Platform Engineering
This role involves designing and maintaining scalable, distributed enterprise platforms for Two Sigma, a financial innovation company. The position requires strong software engineering experience, expertise in Linux, distributed systems, and experience with Python/Java/C++. Responsibilities include building on-premise and cloud-based infrastructure, integrating emerging technologies (like Gen AI), and driving platform engineering best practices across teams.
Quantitative Software Engineer: Techniques Engineering
This role involves building and optimizing production-grade ML systems at Two Sigma, an investment management firm. The engineer will collaborate with researchers and engineers to develop and deploy scalable models, refine workflows, and mentor the team while maintaining strong software engineering practices.
Fund Accountant
The Fund Accountant role at Two Sigma involves reviewing, approving, and preparing NAVs, RoRs, and financial statements for investment funds, collaborating on audits, managing tax filings, and ensuring accurate reporting to investors and regulators. Responsibilities include process improvement, cross-team collaboration, and supporting fund initiatives, with benefits including competitive salary, comprehensive perks, and flexible work policies.
Two Sigma Securities, Production Engineer
This role involves building and maintaining ultra-low latency trading systems for a global multi-asset trading platform. You will develop automated tools, monitor real-time transactions, optimize system architecture, and collaborate with technical teams to improve efficiency and reliability, with a focus on systematic trading and digital assets.
Software Engineering Internship - NYC
The role is a 10-week software engineering internship at Two Sigma in New York City. Interns work on large-scale infrastructure projects, build scalable tools, and collaborate with mentors on a project culminating in a presentation. The company values data-driven, analytical engineers with a passion for software development, offering a supportive environment with intern-specific social events.
Software Engineering Full-Time Campus Hire - NYC
This role is a full-time campus hire in software engineering for early careers at Two Sigma in NYC. The position focuses on building scalable infrastructure, mission-critical systems, and large-scale data platforms required for investment management. Qualifications include a strong technical degree, proficiency in languages like Java/C++, and experience with large-scale systems.
Software Engineering Full-Time Campus Hire - London
This role is part of a campus hiring program for early-career software engineers. The position offers hands-on experience building scalable tools and infrastructure for data analysis and financial strategies, with opportunities to learn from a forward-thinking engineering team at Two Sigma. Responsibilities include developing mission-critical systems, managing large-scale data ingestion, and contributing to cloud-based environments.
Software Engineer, Trading Engineering
This role involves building and optimizing trading platforms for simulation and live markets, focusing on high-performance programming and algorithmic trading. You will work with quantitative models and analyze system performance to enhance trading capabilities, requiring experience in systems-level development, C/C++/Rust, and quantitative environments. Benefits include competitive salary, comprehensive benefits, and flexible work arrangements.
Software Engineer, Technology Security & Risk
This role is for experienced software engineers to lead the architecture and development of Two Sigma’s security infrastructure, focusing on modernizing legacy systems in Java, Go, or Python. The position requires hands-on technical leadership, mentorship, and driving cross-organizational initiatives to enhance security, observability, and reliability. Candidates must have experience in distributed systems, authentication protocols, and cloud infrastructure.
Software Engineer, Insights
The role involves leading technical initiatives for the Insights team at Two Sigma, where a Software Engineer will oversee large-scale product development, including web frameworks like React, fostering innovation, collaboration across teams, and mentoring engineers. This Experienced position requires significant expertise in software engineering, architecture, and cloud technologies, with a focus on driving long-term impact in data monetization and external research engagement platforms.
Senior Software Engineer, Technology Security & Risk
The role seeks a Senior Software Engineer specializing in cybersecurity and identity technologies to architect modern security infrastructure systems for Two Sigma. Responsibilities include building scalable solutions in Python/Go, mentoring teams, and driving cloud-native migrations while improving observability and security posture. Requires 7+ years of distributed systems experience, cloud expertise (AWS/GCP/Azure), and deep knowledge of security protocols.
Quantitative Software Engineer: Quantitative Components
This role is for a Quantitative Software Engineer at Two Sigma, focusing on developing core systems for portfolio management and research. The position demands strong engineering and quantitative expertise, with responsibilities including building and iterating on key systems, bridging research with implementation, and driving impactful projects in complex financial environments.
Quantitative Software Engineer: Portfolio Research Acceleration
This role is for a Quantitative Software Engineer at Two Sigma, focusing on accelerating portfolio research through system development, quantitative analysis, and collaboration with research teams. The position emphasizes building and optimizing core systems critical to Two Sigma's investment strategies, with a preference for candidates with extensive software engineering and quantitative experience.
Quantitative Software Engineer: Generative AI
This role requires an experienced Quantitative Software Engineer specializing in Generative AI, focusing on building NLP and machine learning systems for unstructured data monetization. Responsibilities include leading generative AI research, developing scalable ML systems, and collaborating with modeling teams to prototype cutting-edge solutions in NLP and AI. The position offers benefits like flexible work policies, health insurance, and compensation ranging from $165,000 to $300,000 annually, with competitive bonuses and professional development opportunities.
Quantitative Software Engineer: Fast Engineering
This role is for a Quantitative Software Engineer at Two Sigma, focusing on developing low-latency, high-performance systems for research and trading frameworks in Rust, C++, and Python. The position involves collaborating with researchers to prototype, design, and optimize quantitative models and components, with a strong emphasis on deep technical expertise in systems programming, data analysis, and finance-specific challenges. It targets experts with 5+ years of experience in software engineering and quantitative analysis.
Quantitative Software Engineer
This role is for an experienced Quantitative Software Engineer at Two Sigma to develop and optimize ML, quantitative finance, and distributed systems. Responsibilities include prototyping models, building research tooling, and collaborating with teams on cutting-edge financial algorithms.
Quantitative Software Architect: Quantitative Components
This role involves leading the development of core systems for Two Sigma's portfolios, requiring extensive software engineering experience—preferably 7+ years—in financial or quantitative domains. Candidates must excel in technical strategy, mentor engineers, and collaborate with quant research teams. The position offers a competitive salary range ($165,000–$300,000) and comprehensive benefits.
Quantitative Researcher: Machine Learning
This role focuses on developing and applying sophisticated machine learning models for investment strategies in global markets. The candidate will research, design models, collaborate with engineers, and stay updated with industry advancements through reading circles and academic seminars.
Quantitative Researcher / Quantitative Trader - Two Sigma Securities UK
This position is with Two Sigma Securities, an experienced quantitative team focused on systematic trading and risk management. The role requires developing new market-making strategies, researching microstructure inefficiencies, and enhancing high-frequency trading (HFT) platforms using advanced algorithms (ML/AI), with responsibilities in strategy testing, platform development, and operational improvements in ultra-low latency trading environments.
Quantitative Researcher - Internship [2026 Summer]
The internship involves developing quantitative investment models using scientific methods and applying advanced techniques like machine learning on large datasets. The role offers mentorship, exposure to academic communities, and participation in rigorous research projects with a 10-week summer program based in New York City, including benefits like flexible work policies and competitive compensation based on academic degree.
Quantitative Researcher - Full-Time Campus Hire
This role involves developing advanced investment models using quantitative techniques like machine learning on large datasets. Candidates will engage in rigorous research, collaborate with technical teams, and contribute to solutions for complex economic challenges via conferences and academic seminars. The position offers competitive compensation ranging from $200,000 to $220,000.
Quantitative Researcher - Experienced Hire
This role at Two Sigma requires an experienced Quantitative Researcher to develop and test sophisticated investment models using advanced statistical techniques and machine learning. The position emphasizes scientific rigor, independent research, and collaboration with engineering teams, with base compensation ranging from $165,000 to $325,000 USD in New York, USA.
Quantitative Researcher
The Quantitative Researcher role focuses on developing and implementing quantitative financial models, conducting high-frequency data analysis, and improving investment strategies. The position emphasizes expertise in programming (Python, Java), statistical modeling, and financial market understanding while requiring a master’s degree and strong skills in quantitative finance research.
Quantitative Architect / Software Engineer: Macro Engineering
This role involves building quantitative software for systematic macro engineering at Two Sigma, focusing on macro factor models, portfolio construction, research simulations, and modeling tools. The Engineer will collaborate with researchers and product managers to deliver high-quality software, analyze research impacts, and evolve technical systems while working in a collaborative environment with rich engineering experience in macro instruments and markets.
HR Generalist
The HR Generalist role at Two Sigma involves supporting employee operations, managing HR inquiries, recruiting processes, and maintaining HR data systems in a fast-paced investment management company. This experienced position emphasizes organizational skills, strong communication, and a customer service-oriented approach.
Fundamental Equity Research Analyst
This role involves conducting deep fundamental equity research for Two Sigma, originating investment ideas, evaluating valuation drivers, and collaborating with quantitative teams to deliver scalable alpha through disciplined research processes. Responsibilities include generating price targets, thematic analysis, and participation in investor conferences. The position emphasizes experience with investment banking, private equity, hedge funds, or equity research, seeking candidates with proven idea generation and strong academic backgrounds (advanced degree or CFA preferred).
Experienced Quantitative Investing Recruiter
This role involves recruiting highly skilled Quantitative Researchers and Traders for Two Sigma’s investment management team, with responsibilities ranging from full-cycle recruitment and partnering with hiring managers to driving offer processes and analyzing hiring metrics. Experience in quantitative finance recruiting is preferred, and compensation ranges from $100,000 to $200,000 with additional bonuses and generous benefits.
Employment Counsel
The Employment Counsel role at Two Sigma involves providing legal expertise in employment law, HR practices, and compliance to support a fast-paced investment management company. The position requires extensive experience in in-house legal counseling, mentorship, managing external counsel, and managing complex employment-related cases while advising senior executives and HR teams in a high-performance environment. Offers robust compensation ranging from $250,000 to $325,000 annually and comprehensive benefits.
Data Scientist - Internship [Summer 2026]
This internship offers a 10-week summer program at Two Sigma's New York office for candidates pursuing a technical or quantitative degree. Interns will conduct independent research, work on real-world datasets, and present their findings while engaging in academic seminars and industry collaborations. The role focuses on data analysis, Python, SQL, and financial sciences, emphasizing research skills and creative problem-solving.
Data Scientist
This role at Two Sigma involves leading data science tasks, including independent research, methodology development, and collaboration with engineers and stakeholders. The position emphasizes creativity, academic engagement, and continuous learning through seminars, reading circles, and technical training.
Communications Associate
The role involves leading internal and external communications strategies for Two Sigma, a financial sciences company, focusing on crafting executive and employee communications while managing intranet, events, and HR communications. Responsibilities include developing communication plans, building employee engagement initiatives, collaborating with leadership and vendors, and contributing to large-scale projects like Investor Day. Ideal candidate has 3-5 years of communications experience in a corporate or agency setting, preferably with financial services, technology, or AI backgrounds, alongside strong writing, project management, and event coordination skills.
Client Services Associate
The Client Services Associate role at Two Sigma involves supporting client inquiries, managing investor activities, performing reconciliations, and ensuring compliance with investor reporting requirements. This experienced position requires strong communication, organizational skills, and asset management/experience, with responsibilities spanning investor relations and operational control.
Business Project Manager, HR Business
The Business Project Manager, HR Business role at Two Sigma involves leading business analysis, project, and program management for HR and cross-functional initiatives. The position focuses on refining business processes, managing stakeholder engagement, and driving tech-enabled solutions. Crucial qualifications include 7+ years of experience in business analysis/project management, proficiency with Workday HCM, and expertise in core HR functions at finance firms. The role is based in New York and may require travel. Competitive compensation spans $150,000–$225,000 annually, with additional perks like hybrid work flexibility, generous benefits, and professional development opportunities.
AI Research Scientist - Internship [2026 Summer]
Two Sigma seeks an AI Research Scientist Intern to develop innovative machine learning techniques, specifically Deep Learning, LLMs, and Reinforcement Learning, for financial data analysis during a 10-week summer project under expert guidance. Interns must be MS students with work experience or PhDs in their penultimate year, with strong programming (Python, TensorFlow/PyTorch) and research skills, including experience with noisy datasets and cloud computing.
AI Research Scientist
Position requires advanced AI research with deep learning, quantitative finance expertise, and hands-on experience in developing and optimizing predictive models, reinforcement learning, and large-scale statistical analysis for high-performance trading systems. Focuses on mathematical modeling, algorithm development, and practical deployment in real-world financial markets.
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