You'll design and maintain high-performance Python applications for **quantitative research and trading** at a global trading firm.

IMC

Proprietary trading

You will build, support, and extend Python-based research tools critical to high-frequency trading, collaborating with developers and researchers to enhance

Open Opportunities :: SquarepointSquarepoint logoSquarepoint logoSquarepoint logo

Squarepoint-Capital.com - quantitative investment manager

IMC’s Python Development team partners directly with our equity and index options trading desks, blending financial theory, software engineering, data-visualisation, and applied research to convert raw data into trading edge. You’ll operate in a high-calibre, intellectually stimulating environment that leverages cutting-edge technology, proprietary tools, and vast datasets. Working side-by-side with traders and software engineers, you’ll see your work move swiftly from idea to production and directly influence trading performance. Our culture prizes innovation, collaboration, and continuous learning—where creative problem-solving, a strong sense of responsibility, and rigorous diligence drive success. Your Core Responsibilities: Collaborate closely with traders to refine existing strategies and generate new ideas. Build, maintain, and enhance research frameworks and data pipelines that enable trading and quantitative research. Develop, back-test, and implement discretionary and systematic trading strategies using large, diverse datasets. Curate, transform, and present data in clear, accessible formats for traders and researchers. Drive end-to-end research cycles — from ideation through production deployment. Your Skills and Experience: Bachelor's in Mathematics, Physics, Statistics, Computer Science, Econometrics, or a related discipline. 3+ years of professional Python development experience, with strong, production-level coding skills; familiarity with additional languages is a plus. Hands-on experience with statistical analysis, numerical programming, data engineering, or machine learning in Python (Polars, Pandas, NumPy, SciPy, TensorFlow). Proven ability to handle large datasets, architect and optimise data pipelines, and present data effectively. Foundational knowledge of quantitative trading concepts and equity/index options — whether through coursework, projects, internships, or professional work. Exposure to web/API frameworks such as FastAPI and React is advantageous. Experience with orchestration and containerisation tools like Kubernetes and Docker is a plus. Solid grounding in calculus, probability, statistics, and optimisation; familiarity with machine-learning techniques is beneficial. About Us IMC is a global trading firm powered by a cutting-edge research environment and a world-class technology backbone. Since 1989, we’ve been a stabilizing force in financial markets, providing essential liquidity upon which market participants depend. Across our offices in the US, Europe, Asia Pacific, and India, our talented quant researchers, engineers, traders, and business operations professionals are united by our uniquely collaborative, high-performance culture, and our commitment to giving back. From entering dynamic new markets to embracing disruptive technologies, and from developing an innovative research environment to diversifying our trading strategies, we dare to continuously innovate and collaborate to succeed.

IMC

Proprietary trading

Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm’s growth. About the Position We are on the lookout for Software Engineers who excel in Python. As a Software Engineer, you'll play a pivotal role on your team, taking ownership of cutting-edge projects. Your primary responsibilities will encompass the refinement and advancement of our trading systems and mission-critical applications. Additionally, you'll collaborate closely with quants, traders, and research teams to bolster our systems' adaptability and scalability, all while contributing to the development of innovative trading applications. Required Skills Bachelor's degree in Computer Science, Mathematics, or a related Engineering/Science discipline A minimum of 2 years of professional Python experience in a production environment High proficiency in Python on Linux Platforms Familiarity with relational databases (e.g. PostgreSQL, MySQL, etc.) Exceptional written and verbal communication skills A collaborative team player with a knack for owning and driving exciting projects Thrives in a fast-paced work environment, showcasing effective problem-solving abilities Benefits and Perks Fully paid Medical, Dental, Vision, Disability, and Life Insurance Fully stocked kitchen; free breakfast and lunch every day on-site Tuition Reimbursement Program 401(k) with employer match Paid Vacation, Sick, and Parental leaves Commuter and Flexible Spending Programs In office M-F with 10 remote days per year Base Salary Range $150,000 - $225,000 - Salaries are based on numerous factors such as skills, experience, and education. Our compensation package also includes a discretionary bonus and a comprehensive benefits program for full-time employees. For more information, reach out to your recruiter. Old Mission is not accepting unsolicited resumes from any staffing/search firms. All resumes submitted by staffing/search firms to any employee at Old Mission via-email, the Internet or directly without a valid signed search agreement will be deemed the sole property of Old Mission, and no fee will be paid in the event the candidate is hired by Old Mission.

Careers - See Current Openings - Old Mission

The challenge— every day is different. That's what you can expect working at Old Mission. Interested in working with us?…

You'll join IMC's Sydney engineering teams to develop high-performance Python applications for trading systems.

IMC

Proprietary trading

Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm’s growth. About the Position We are on the lookout for Software Engineers who excel in Python. As a Software Engineer, you'll play a pivotal role on your team, taking ownership of cutting-edge projects. Your primary responsibilities will encompass the refinement and advancement of our trading systems and mission-critical applications. Additionally, you'll collaborate closely with quants, traders, and research teams to bolster our systems' adaptability and scalability, all while contributing to the development of innovative trading applications. Required Skills Bachelor's degree in Computer Science, Mathematics, or a related Engineering/Science discipline A minimum of 3 years of professional Python experience in a production environment High proficiency in Python on Linux Platforms Familiarity with relational databases (e.g. PostgreSQL, MySQL, etc.) Exceptional written and verbal communication skills A collaborative team player with a knack for owning and driving exciting projects Thrives in a fast-paced work environment, showcasing effective problem-solving abilities Benefits and Perks Competitive salary with discretionary annual bonus Fully paid private medical, dental, vision with extended coverage and life insurance Robust Pension Scheme, income protection, and salary exchange Fully stocked kitchen and free on-site lunch daily Season Ticket Loan Scheme Tuition Reimbursement Program Old Mission is not accepting unsolicited resumes from any staffing/search firms. All resumes submitted by staffing/search firms to any employee at Old Mission via-email, the Internet or directly without a valid signed search agreement will be deemed the sole property of Old Mission, and no fee will be paid in the event the candidate is hired by Old Mission.

Careers - See Current Openings - Old Mission

The challenge— every day is different. That's what you can expect working at Old Mission. Interested in working with us?…

WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predictive signals (alphas) through our proprietary research platform to employ financial strategies focused on market inefficiencies. Our teams work collaboratively to drive the production of alphas and financial strategies – the foundation of a balanced, global investment platform. WorldQuant is built on a culture that pairs academic sensibility with accountability for results. Employees are encouraged to think openly about problems, balancing intellectualism and practicality. Excellent ideas come from anyone, anywhere. Employees are encouraged to challenge conventional thinking and possess an attitude of continuous improvement. Our goal is to hire the best and the brightest. We value intellectual horsepower first and foremost, and people who demonstrate an outstanding talent. There is no roadmap to future success, so we need people who can help us build it. Technologists at WorldQuant research, design, code, test and deploy firmwide platforms and tooling while working collaboratively with researchers. Our environment is relaxed yet intellectually driven. We seek people who think in code and are motivated by being around like-minded people. About WorldQuant BRAIN: BRAIN is a group within WorldQuant similar to a traditional B2C fintech setup. Our mission is to simplify quant finance and provide global remote-work opportunities to participants, while they learn quant finance, AI and ML concepts. WorldQuant BRAIN provides an advanced crowdsourcing platform for external participants to contribute signals, data, and more. What You'll Do: Develop backend application services and APIs. Integrate systems with AWS and external cloud services. Optimize backend components for speed and scalability. Implement and manage caching, queuing and background processing. Participate in code reviews, technical design discussions and architecture decisions. Be an active member of an agile engineering team who is continuously looking to improve team performance. Work with leading cloud technologies (such as AWS, GCP). Work with leading open-source technologies (such as MySQL, PostgreSQL, ELK stack, Sentry, Redis, Git, etc.). Leverage modern AI tools and practices to increase developer productivity. Participate in periodic on-call duties. What You’ll Bring: 2+ years demonstrated experience developing scalable and robust software. Passion about software engineering, be strongly driven to build and run real-world applications at scale. Eagerness to learn and introduce new technologies. Be curious about what's happening in the tech world. Excellent coding skills, solid understanding of the broad Python ecosystem including Numpy, Pandas and Asyncio. Expertise in Python web frameworks such as Django, DRF, Flask or others. Experience with SQL databases (MySQL, PostgreSQL), including schema design, query optimisation and migrations. Experience with microservices, caching tools, data visualization, log collection and aggregation, search, queuing systems. Experience with Linux environment and shell scripting. Excellent debugging and problem solving skills. What We Offer: Competitive and attractive compensation package with clear career road-map – where you feel challenged everyday We offer a strong culture of learning and development: training courses, library, speakers, share and learn events Learn from who sits next to you! Working in WQ you are surrounded by smart and talented people Premium Health Insurance and Employee Assistance Program Generous time-off policy, re-creation sabbatical leave (based on tenure), Trade Union benefits for staff and family Team building activities every month: Local engagement events, Employee clubs: football, ping-pong, badminton, yoga, running, PS5, movies, etc. Annual company trip and occasional global conferences – opportunity to travel and connect with our global teams Happy-hour with tea break, snacks and meals every day in the office! #LI-VP1 By submitting this application, you acknowledge and consent to terms of the WorldQuant Privacy Policy. The privacy policy offers an explanation of how and why your data will be collected, how it will be used and disclosed, how it will be retained and secured, and what legal rights are associated with that data (including the rights of access, correction, and deletion). The policy also describes legal and contractual limitations on these rights. The specific rights and obligations of individuals living and working in different areas may vary by jurisdiction. Copyright © 2025 WorldQuant, LLC. All Rights Reserved. WorldQuant is an equal opportunity employer and does not discriminate in hiring on the basis of race, color, creed, religion, sex, sexual orientation or preference, age, marital status, citizenship, national origin, disability, military status, genetic predisposition or carrier status, or any other protected characteristic as established by applicable law.

WorldQuant

Quantitative trading

You'll develop **autonomous penetration testing tools** for the video games industry, implementing **agentic workflows** that conduct application security tests from A to Z. You'll benchmark results and improve logic while providing technical support to testing teams.

Magic Media

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Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone. Graphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore enjoys a culture of continuous learning and constant innovation. As a Python Engineer at Graphcore Ltd., you will be at the forefront of driving innovation in AI computing. This is an outstanding opportunity to join our dynamic Infrastructure Solutions team in Bristol, UK, and play a meaningful role in scaling and managing our infrastructure. You will be instrumental in developing tools and services that empower our broader team, improving our build, test, deployment, and productization processes. Join us at an exciting and pivotal moment, with plenty of new projects ahead! Responsibilities Create, manage, and sustain tools and services that aid the software build and release process Support the technical development of junior and graduate engineers Embody a strong engineering field for high reliability and minimal toil Requirements Extensive knowledge of Python Experience with Linux administration and shell scripting Understanding of Linux environments Native user of CI/CD for production deployments Proven experience building and maintaining API integrations Solid background in automation (scripting, workflows, system integration) Strong communication skills with the ability to collaborate across multiple engineering and security fields Differentiators Experience with GitHub Actions Familiarity with build tools (e.g., CMake) Experience integrating SaaS platforms via APIs/webhooks Understanding of platform engineering or DevOps environments Exposure to security, IAM, or governance in cloud/SaaS ecosystems Experience deploying services in the cloud (AWS preferred)

Graphcore

Advanced AI systems and services

This role involves working with Python, Polars, Pandas, and SQL to build systems that detect fraud and money laundering, directly protecting the integrity

Jobs at Interactive Brokers

Interactive Brokers Group, Inc. (NASDAQ: "IBKR"); is a direct access electronic broker catering to the needs of professional and frequent…

You'll develop **autonomous penetration testing tools** for the video games industry, implementing **agentic workflows** that conduct application security tests from A to Z. You'll benchmark results and improve logic while providing technical support to testing teams.

Magic Media

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WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predictive signals (alphas) through our proprietary research platform to employ financial strategies focused on market inefficiencies. Our teams work collaboratively to drive the production of alphas and financial strategies – the foundation of a balanced, global investment platform. WorldQuant is built on a culture that pairs academic sensibility with accountability for results. Employees are encouraged to think openly about problems, balancing intellectualism and practicality. Excellent ideas come from anyone, anywhere. Employees are encouraged to challenge conventional thinking and possess an attitude of continuous improvement. Our goal is to hire the best and the brightest. We value intellectual horsepower first and foremost, and people who demonstrate an outstanding talent. There is no roadmap to future success, so we need people who can help us build it. Technologists at WorldQuant research, design, code, test and deploy firmwide platforms and tooling while working collaboratively with researchers. Our environment is relaxed yet intellectually driven. We seek people who think in code and are motivated by being around like-minded people. The Role: Our group builds the software that enables large‑scale quantitative research at the core of WorldQuant’s platform. We are embarking on a multi‑year effort to develop a powerful, scalable, and efficient platform that will support the firm’s growth over the next decade. We are looking for someone who can take ownership of complex technical challenges and bring strong experience, judgment, and perspective to the team. What You’ll Bring: At least 7 years of experience writing production‑quality Python code on Linux Willingness to learn C++ is required; prior experience with C++ is a strong plus Strong interest and motivation to work with machine learning, deep learning, and backtesting platform design and development (Prior experience is not required but is considered a strong plus) Solid understanding of Linux system programming fundamentals Proven ability to design and develop large‑scale, distributed systems Strong knowledge of data structures, algorithms, high‑performance application design, and concurrency patterns Self‑motivated and able to work independently with minimal guidance Proficiency in English Nice to Have: Systems for managing and performing computation on large‑scale graph data Streaming or dataflow systems Experience in financial services (not required) What We Offer: Competitive and attractive compensation package with clear career road-map – where you feel challenged everyday We offer a strong culture of learning and development: training courses, library, speakers, share and learn events Learn from who sits next to you! Working in WQ you are surrounded by smart and talented people Premium Health Insurance and Employee Assistance Program Generous time-off policy, re-creation sabbatical leave (based on tenure), Trade Union benefits for staff and family Team building activities every month: Local engagement events – Employee clubs: football, ping-pong, badminton, yoga, running, PS5, movies, etc. Annual company trip and occasional global conferences – opportunity to travel and connect with our global teams Happy-hour with tea break, snacks and meals every day in the office! #LI-VP1 By submitting this application, you acknowledge and consent to terms of the WorldQuant Privacy Policy. The privacy policy offers an explanation of how and why your data will be collected, how it will be used and disclosed, how it will be retained and secured, and what legal rights are associated with that data (including the rights of access, correction, and deletion). The policy also describes legal and contractual limitations on these rights. The specific rights and obligations of individuals living and working in different areas may vary by jurisdiction. Copyright © 2025 WorldQuant, LLC. All Rights Reserved. WorldQuant is an equal opportunity employer and does not discriminate in hiring on the basis of race, color, creed, religion, sex, sexual orientation or preference, age, marital status, citizenship, national origin, disability, military status, genetic predisposition or carrier status, or any other protected characteristic as established by applicable law.

WorldQuant

Quantitative trading

Jump Trading Group is committed to world class research. We empower exceptional talents in Mathematics, Physics, and Computer Science to seek scientific boundaries, push through them, and apply cutting edge research to global financial markets. Our culture is unique. Constant innovation requires fearlessness, creativity, intellectual honesty, and a relentless competitive streak. We believe in winning together and unlocking unique individual talent by incenting collaboration and mutual respect. At Jump, research outcomes drive more than superior risk adjusted returns. We design, develop, and deploy technologies that change our world, fund start-ups across industries, and partner with leading global research organizations and universities to solve problems. Our trading teams are each comprised of a dynamic group of traders, quantitative researchers, and engineers who work together to examine the global markets, seeking to understand the complexities of various traded products and exchanges. They leverage their impeccable statistical analysis and data mining skills, using the results of their research to make forecasts and develop profitable predictive trading models. *Candidates for this off cycle internship should be graduating in 2026 or 2027 and be interested in working in Hong Kong for their full-time job after graduation. What You'll Do: You will work alongside experienced engineers building systems that power our trading operations. With mentorship throughout your internship, you'll contribute to real production systems and gain hands-on experience with full-cycle software development. Your projects may include: Building and improving high-performance data pipelines and processing systems Collaborating with quantitative researchers to develop tools that support research workflows Optimizing system performance through profiling, debugging, and architectural improvements Building shared tools and infrastructure that power research efficiency and shorten iteration cycles Bridging the gap between research prototypes and production-grade systems Skills You'll Need: Solid foundation in C++ and Python programming Solid understanding of computer science fundamentals: data structures, algorithms, memory management, operating systems, compilers, computer architecture, and networking Interest in systems programming and understanding how software interacts with hardware (OS internals, process scheduling, I/O, caching) Comfortable working in a Linux environment Passion for writing clean, efficient, and maintainable code; comfortable contributing to collaborative codebases Ability to translate research requirements into robust software solutions Strong learning ability and intellectual curiosity Good communication skills with users and other stakeholders Reliable and predictable availability No finance or economics study or work experience required Other duties as assigned or needed Also Helpful, but Not Required: Curiosity for data-driven approaches and ability to work with large-scale data from first principles, not just relying on libraries Experience with performance optimization or low-latency systems Familiarity with HPC or distributed computing Exposure to data analysis tools (Pandas, NumPy) or statistical methods Past internship or job experience in a software development role

Open Positions

We bring together brilliant minds in math, physics, and computer science to explore the edges of what’s possible and turn…

You'll design and deploy **high-performance Python microservices** for real-time data processing in the online gaming industry.

A5 Labs

Data, machine learning and blockchain innovations for competitive online games

You'll build and maintain **backend services** using **Python** for a data-driven platform.

Crosschq

Crosschq is pioneering Human Intelligence Hiring™ by harnessing the power of people to help companies better screen, onboard, and source…

Your core impact will be **building and consuming integrations for AI agents** using Python and GenAI frameworks.

CI&T

Job openings at CI&T

You'll work on a small, highly productive team writing Python code that **powers trading systems** at a top algorithmic trading firm.

Careers | Hudson River Trading

Hudson River Trading is a multi-asset class quantitative trading firm that provides liquidity on global markets and directly to our…

You'll lead the architecture and development of **cloud-native applications** using Python and AWS, building and managing **microservices** with services

Experian

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Company Overview Interactive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in over 15 countries. We have been at the forefront of financial innovation for over four decades, known for our cutting-edge technology and client commitment. IBKR affiliates provide global electronic brokerage services around the clock on stocks, options, futures, currencies, bonds, and funds to clients in over 200 countries and territories. We serve individual investors and institutions, including financial advisors, hedge funds and introducing brokers. Our advanced technology, competitive pricing, and global market help our clients to make the most of their investments. Barron's has recognized Interactive Brokers as the #1 online broker for six consecutive years. Join our dynamic, multi-national team and be a part of a company that simplifies and enhances financial opportunities using state-of-the-art technology. What will be your responsibilities within IBKR: Technical Excellence Design, optimize, and extend transaction surveillance and data pipeline processes to enhance system efficiency, reliability, and scalability Navigate seamlessly between strategic, system-level architecture and function-level implementation details of our surveillance system, which orchestrates 150+ processes Optimize data architectures and databases for maximum performance and reliability Build developer tooling to accelerate development workflows and system monitoring Ensure data accuracy, security, and compliance with regulatory standards Ownership and Cross-Functional Partnership Take ownership of projects and sub-systems from planning through resolution, making impactful decisions on complex technical and business-related questions Collaborate effectively with quantitative engineers, surveillance model developers, and Compliance stakeholders to translate complex business requirements into scalable designs and processes Identify project bottlenecks, risks, and limitations; calculate costs; and provide strategic insights to stakeholders Transform high-level surveillance concepts into production-ready processes that deliver actionable insights Data Architecture & Stewardship Own and curate dozens of mission-critical datasets that drive surveillance operations Design, build, and automate robust data pipelines to support real-time and batch processing Develop advanced data quality frameworks to proactively identify issues before they impact operations Innovation & Optimization Contribute to the evolution of coding standards and internal code review processes Drive best practices in data storage, retrieval, governance, and privacy protection Drive automation of processes and workflows to reduce manual effort and enhance system maintainability Which skills are required: 5+ years of professional software engineering experience in Python, C++ or Java 3+ years of professional experience in Python as a primary language (non-scripting) Extensive experience in Pandas or NumPy, Polars is nice to have 1-3 years of professional experience with Linux operating systems Thorough understanding of databases and SQL Experience with large Python codebases Bachelor's or master's degree in Computer Science, or a related area High attention to detail Good to Have: Experience with data engineering or ETL pipelines Knowledge of finance Knowledge of C++ or Java Masters/PhD To be successful in this position, you will have the following: Self-motivated and able to handle tasks with minimal supervision. Superb analytical and problem-solving skills. Excellent collaboration and communication (Verbal and written) skills. Outstanding organizational and time management skills. Company Benefits & Perks Discretionary annual bonus (cash and stock) Private healthcare insurance Subsidized recreational pass (AYCM XL package - 80% employer contribution) Daily food allowance in the office Monthly BKK pass Hybrid way of working (1 day home office/week) Modern office in the heart of Budapest with free amenities Great atmosphere with friendly and exceptional colleagues, frequent company outings. *The benefits package will be reviewed regularly and may be subject to change.

Jobs at Interactive Brokers

Interactive Brokers Group, Inc. (NASDAQ: "IBKR"); is a direct access electronic broker catering to the needs of professional and frequent…

You'll develop **OpenVPN Access Server**, a full-featured business VPN solution. You'll play a key role in a small, closely-knit team shaping a product used by millions worldwide. This role offers **fully remote work** and self-managed time off.

OpenVPN

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