> Markdown version of [/jobs/ext/2733383-software-engineer](https://www.wearedevelopers.com/jobs/ext/2733383-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - **Company:** Simplex Trading, LLC - **Location:** Chicago, IL, United States - **Experience:** Experienced - **Salary:** $125,000.0 - $200,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Algorithmic Trading, Algorithm Design, Data Analysis, C Sharp (Programming Language), Unix, C++ (Programming Language), Computer Engineering, Linux, Video Game Development, Microsoft Software, Software Engineering, Information Technology, Simplex Dental Software - **Published:** September 5, 2026 - **Apply:** https://www.careerbuilder.com/job-details/software-engineer-chicago-il--c623ec1b-eb43-4135-bcde-b8a8813084ce ## About the Role * 4+ years experience working with a high level language (ex C++, Java, C#) * Some C++ experience is a plus * Linux/Unix exposure * Previous financial industry experience is a plus * Computer science or engineering degree or real world experience, Algorithms, Alliance/Partner Marketing, Artificial Intelligence (AI), Automation, C++ Programming Language, Cafeteria, Capital Markets, Computer Engineering, Computer Science, Data Analysis, Finance, Investment Capital, Investment Strategy, Java, Linux Operating System, Microsoft C# (C Sharp), Software Engineering, Startup, Team Building, Team Lead/Manager, Team Player, Trading Systems, Unix Operating Systems, Venture Capital, Video Games ## Description Simplex is looking for smart, curious, and driven individuals to join our technology team. Technology at Simplex is the core of the business. We are a technology company, specializing in high speed trading. We are looking for great people to work on all aspects of our trading system. What will you be doing? * Work on our system from trading algorithm development, to high speed data analysis, and intelligent execution engine design * Design, build, and maintain efficient, reusable, and reliable C++ code on Linux * Other opportunities as assigned ## Related Videos - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Microservices architecture as a key element in building trading systems for global finance markets](https://www.wearedevelopers.com/videos/1196-microservices-architecture-as-a-key-element-in-building-trading-systems-for-global-finance-markets) - [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications) - [Data Science on Software Data](https://www.wearedevelopers.com/videos/162-data-science-on-software-data) ## Related Articles - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [What Jobs Can You Get with a Software Engineering Degree?](https://www.wearedevelopers.com/magazine/398-what-jobs-can-you-get-with-a-software-engineering-degree) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)