Senior Fullstack Developer (Typescript and Javascript)

Trexquant is a growing systematic fund at the forefront of quantitative finance, with a core team of highly accomplished researchers and engineers. To keep pace with our expanding global trading operations, we are seeking a C++ Market Data Engineer to design and build ultra-low-latency feed handlers for premier vendor feeds and major exchange multicast feeds. This is a high-impact role that sits at the heart of Trexquant's trading platform; the quality, speed, and reliability of your code directly influence every strategy we run. Responsibilities Design & implement high-performance feed handlers in modern C++ for equities, futures, and options across global venues (e.g., NYSE, CME, Refinitiv RTS, Bloomberg B-PIPE). Optimize for micro- and nanosecond latency using lock-free data structures, cache-friendly memory layouts, and kernel-bypass networking where appropriate. Build reusable libraries for message decoding, normalization, and publication to internal buses shared by research, simulation, and live trading systems. Collaborate with cross-functional teams to tune TCP/UDP multicast stacks, kernel parameters, and NIC settings for deterministic performance. Provide robust failover, gap-recovery, and replay mechanisms to guarantee data integrity under packet loss or venue outages. Instrument code paths with precision timestamping and performance metrics; drive continuous latency regression testing and capacity planning. Partner closely with quantitative researchers to understand downstream data requirements and to fine-tune delivery formats for both simulation and live trading. Produce clear architecture documents, operational run-books, and post-mortems; participate in a 24×7 follow-the-sun support rotation for mission-critical market-data services. Requirements BS/MS/PhD in Computer Science, Electrical Engineering, or related field. 3+ years of professional C++ (14,17,20) development experience focused on low-latency, high-throughput systems. Proven track record building or maintaining real-time market-data feeds (e.g., Refinitiv RTS/TREP, Bloomberg B-PIPE, OPRA, CME MDP, ITCH). Strong grasp of concurrency, lock-free algorithms, memory-model semantics, and compiler optimizations. Familiarity with serialization formats (FAST, SBE, Protocol Buffers) and time-series databases or in-memory caches. Comfort with scripting in Python for prototyping, testing, and ops automation. Excellent problem-solving skills, ownership mindset, and ability to thrive in a fast-paced trading environment. Familiarity with containerization (Docker/K8s) and public-cloud networking (AWS, GCP). Benefits Competitive salary, plus bonus based on individual and company performance. Collaborative, casual, and friendly work environment while solving the hardest problems in the financial markets. PPO Health, dental and vision insurance premiums fully covered for you and your dependents. Pre-Tax Commuter Benefits  Trexquant is an Equal Opportunity Employer

looking for some that can edit a web site, and that social media posts!

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About BestEx Research BestEx Research is a financial technology and research firm specializing in building sophisticated execution algorithms and transaction cost modeling tools servicing multiple asset classes. The firm provides its services to performance-demanding hedge funds, CTAs, asset managers, and banks through a traditional electronic broker and in a broker-neutral Software as a Service (SaaS) model. BestEx Research’s mission is to become the leader in automation and measurement of execution across asset classes globally and significantly reduce transaction costs for our clients. Its cloud-based platform, Algo Management System (AMS), is the first end-to-end algorithmic trading solution for equities, futures, and foreign exchange that delivers an entire ecosystem around execution algorithms, including transaction cost analysis (TCA), an algo customization tool called Strategy Studio, a trading dashboard, and pre-trade analytics in a single platform. The platform is currently live for US equity and global futures trading. BestEx Research is disrupting a $100 billion industry by challenging the status quo of stale, black-box solutions from banks and offering next-generation execution algorithms that combine performance improvement with transparency and customization. BestEx Research uses leading-edge technology to support its low-latency, highly scalable research and trading systems with its back end in C++, research libraries in C++/Python and R, and web-based technologies for delivering its front-end platforms. Visit bestexresearch.com for more information about our mission, products, research, and services. Why work at BestEx Research? If you want to help investors reduce their trading costs in an incredibly complex market structure and help create and shape an industry-defining product, then this is an excellent opportunity to join an incredibly talented team of 50+. BestEx Research has almost zero turnover, top notch clients, zero bureaucracy, and a flat organizational structure. It is a true meritocracy, set in a collaborative environment, where every employee is working on extraordinarily interesting projects. Compensation may be in the form of cash compensation or a hybrid cash and equity compensation plan. Employees at BestEx Research receive a lot of autonomy and accountability and have exposure to much more variety in the projects they complete and opportunities for growth than in similar roles at other firms. Location: Stamford, CT/New York, NY Our Stamford, CT is conveniently located in Stamford downtown and walking distance from train station. Free vale parking, Gym and other amenities are available. Some flexibility to work from home is available depending on your location but at least three days a week work from office is a requirement. Primary Job Responsibilities In this role, you will be responsible for architecture, design, and software development of various software components such as our core trading system, algo trading framework, execution algorithms, smart order routers, exchange simulators, market data adaptors and exchange connectivity adaptors. Projects will vary from developing software from scratch (for example implementing a new asset class or a new execution algorithm) to enhancing the current system to support new features or improving performance. Our trading software stack is written in C++ 17. Requirements For this role following are required: ● Expert-level knowledge of C++ and excellent software design skills ● Expert-level knowledge of TCP/IP and multithreading ● Excellent problem solving and analytical skills ● Excellent communication skills and ability to articulate ideas ● An attitude of constant curiosity and growth, as well as the ability and desire to mentor others ● Degree in Computer Science or similar field from a reputable institution The following are not required, but a combination of these skills and experiences is highly desirable: ● Prior experience working with market data, FIX, and other exchange connectivity protocols ● Prior experience developing trading systems or execution algorithms ● Experience with knowledge of relational databases, database optimizations and SQL ● Experience with Python/R, ability to work with large datasets in a research environment Benefits 4 weeks of vacation, healthcare and 401K

We are looking for ambitious individuals who want to begin their careers in technology. If you are ready to learn coding, work on hands-on projects, and prepare for entry-level jobs, this program is built for you. This program is remote and flexible, with nearly 900 hours of guided training. Study part-time or full-time while learning industry-standard programming languages, tools, and workflows—and create a résumé and portfolio employers notice. 🖥️ Technology & Programming Fundamentals -Learn the basics of computers, networks, browsers, and the internet -Study algorithms, security concepts, number systems, and data structures -Practice Python scripting, command line use, and flowchart design 💻 Web & Front-End Development -Build websites using HTML5, CSS3, and Bootstrap -Create dynamic apps with JavaScript, jQuery, and React.js -Practice responsive design and clean layouts 🗄️ Back-End & Database Development -Design databases with SQL and SQL Server -Perform CRUD processes and relational queries -Build server-side systems with Python (Django) and C# (.NET Core) 🧑‍💻 Programming Languages & Tools -Master seven languages including C#, Python, JavaScript, HTML, CSS, and SQL -Use Git, GitHub, Visual Studio, and Team Foundation Server -Practice industry-level version control and collaboration 🧪 Capstone Projects -Complete two professional projects (Python + C#) -Build portfolio-ready work using Agile, Scrum, and DevOps -Practice debugging, teamwork, and coding workflows 🧰 Career Preparation -Learn résumé writing and cover letter tips -Practice whiteboard and technical interviews -Prepare for junior developer opportunities 🚀 No experience required. Remote applicants welcome. Take the first step into your future in technology. 👉 Apply now: https://softwaredevpros.online/

Bookkeeper/Comprehensive Clerk: Job Responsibilities: 1. Assist in the management of expense payment and reimbursement process Submit payment applications and upload corresponding contracts and invoices, improve the review mechanism for future reference. Summarize the expense table, distinguish the purpose and attribution. Improve corresponding auxiliary credentials. Mark differences and special matters. 2. Complete the basic document process Maintenance of original documents (classified inbound and outbound). Inventory receiving and inventory management (matching accounts with reality). 3. Asset Management Classification management of fixed assets (purchase and sale, useful life, expense attribution) to assist in timely accounting. Construction in progress management (contract management, installation cost attribution, consumables procurement, completion settlement and acceptance, relevant data organization and storage, settlement management) 4. Financial information transmission, budget execution, and tracking Timely organize payment information and corresponding customers and orders. Review procurement data and verify payment information. Follow up on payment arrangements and participate in fund plan management. 5. Assist in connecting with relevant data from American accounting agencies Timely transmission of accounting data, communication of foreign tax requirements, assistance with accounting adjustments, etc 6. Assist colleagues from other departments such as procurement, production, and sales in the financial coordination work of Beisi 7. Inventory check 8. Financial file management and access 9. Temporary translation work: Translation work between Chinese business travelers and local personnel in the United States, as well as daily document translation. 10. Coordinate sales personnel's needs, follow up on outbound status, etc. Job requirements: 1. Major in finance, with knowledge of tax laws and policies in South Carolina, USA; 2. Proficient in English and Chinese, capable of business communication; 3. Can work in the United States. Work location: 1116 Tanner Road, Taylors, South Carolina, 29687 Email：ada.mu@sixinchem.com Wechat/whatsapp:+8615151845120