Low-Latency Developer

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

Location: Folsom, CA (In-store) Job Type: Part time (Only 20 Hours/week) About Us MF Camera is a specialty camera store and online retailer focused on premium photography gear, including Leica, Hasselblad, Sony, Nikon, and more. We serve customers nationwide through our website mfcamera.com and various online platforms, while providing personalized in-store service in Folsom, CA. We are seeking a motivated and detail-oriented Sales Associate to join our team. This role combines in-store customer service, online sales fulfillment, and light accounting/shop management tasks. Responsibilities: Sales & Customer Service Greet and assist walk-in customers with product knowledge, recommendations, and purchases. Answer customer inquiries (in-store, phone, email, chat) in a professional and timely manner. Build strong customer relationships to encourage repeat business. E-commerce & Order Processing Manage and process online orders through Shopify and other sales platforms (eBay, etc.). Pack and ship orders across the U.S. (FedEx, USPS, UPS). Monitor inventory, update product listings, and maintain accurate stock counts. Store Operations Maintain store presentation, organize displays, and restock shelves. Receive and inspect incoming inventory. Support trade-in and consignment programs. Accounting, Administration Assist with recording daily sales, expenses, and refunds. Generate basic reports (sales, inventory, returns). Work closely with the owner on bookkeeping tasks and financial tracking. Requirements Passion for photography and knowledge of cameras/lenses preferred Basic Photography experience is required. some editing skills in light room is plus Prior retail or e-commerce experience strongly preferred. Familiarity with Shopify, eBay, or other online retail platforms is a plus. Basic understanding of accounting/bookkeeping. Strong organizational skills and attention to detail. Excellent communication and interpersonal skills. Ability to multitask in a fast-paced environment. Must be reliable, responsible, and a team player. Benefits Competitive hourly pay + sales incentives. Employee discount on camera gear. Growth opportunities within the company. Small-business work culture where your contributions matter Note: Payment is made on 1099 Only.

Founded in 2016 in Silicon Valley, Pony.ai has quickly become a global leader in autonomous mobility and is a pioneer in extending autonomous mobility technologies and services at a rapidly expanding footprint of sites around the world. Operating Robotaxi, Robotruck and Personally Owned Vehicles (POV) business units, Pony.ai is an industry leader in the commercialization of autonomous driving and is committed to developing the safest autonomous driving capabilities on a global scale. Pony.ai’s leading position has been recognized, with CNBC ranking Pony.ai #10 on its CNBC Disruptor list of the 50 most innovative and disruptive tech companies of 2022. In June 2023, Pony.ai was recognized on the XPRIZE and Bessemer Venture Partners inaugural “XB100” 2023 list of the world’s top 100 private deep tech companies, ranking #12 globally. As of August 2023, Pony.ai has accumulated nearly 21 million miles of autonomous driving globally. Pony.ai went public at NASDAQ in Nov. 2024. Responsibility The ML Infrastructure team at Pony.ai provides a set of tools to support and automate the lifecycle of the AI workflow, including model development, evaluation, optimization, deployment, and monitoring. As a Machine Learning Engineer in ML Runtime & Optimization, you will be developing technologies to accelerate the training and inferences of the AI models in autonomous driving systems. This includes: Identifying key applications for current and future autonomous driving problems and performing in-depth analysis and optimization to ensure the best possible performance on current and next-generation compute architectures. Collaborating closely with diverse groups in Pony.ai including both hardware and software to optimize and craft core parallel algorithms as well as to influence the next-generation compute platform architecture design and software infrastructure. Apply model optimization and efficient deep learning techniques to models and optimized ML operator libraries. Work across the entire ML framework/compiler stack (e.g.Torch, CUDA and TensorRT), and system-efficient deep learning models. Requirements BS/MS or Ph.D in computer science, electrical engineering or a related discipline. Strong programming skills in C/C++ or Python. Experience on model optimization, quantization or other efficient deep learning techniques Good understanding of hardware performance, regarding CPU or GPU execution model, threads, registers, cache, cost/performance trade-off, etc. Experience with profiling, benchmarking and validating performance for complex computing architectures. Experience in optimizing the utilization of compute resources, identifying and resolving compute and data flow bottlenecks. Strong communication skills and ability to work cross-functionally between software and hardware teams Preferred Qualifications: One or more of the following fields are preferred Experience with parallel programming, ideally CUDA, OpenCL or OpenACC. Experience in computer vision, machine learning and deep learning. Strong knowledge of software design, programming techniques and algorithms. Good knowledge of common deep learning frameworks and libraries. Deep knowledge on system performance, GPU optimization or ML compiler. Compensation and Benefits Base Salary Range: $140,000 - $250,000 Annually Compensation may vary outside of this range depending on many factors, including the candidate’s qualifications, skills, competencies, experience, and location. Base pay is one part of the Total Compensation and this role may be eligible for bonuses/incentives and restricted stock units. Also, we provide the following benefits to the eligible employees: Health Care Plan (Medical, Dental & Vision) Retirement Plan (Traditional and Roth 401k) Life Insurance (Basic, Voluntary & AD&D) Paid Time Off (Vacation & Public Holidays) Family Leave (Maternity, Paternity) Short Term & Long Term Disability Free Food & Snacks

Canopy Security Group, Inc. has an immediate opening for UNARMED inside site security in West Sacramento. PART-TIME employment is available for the graveyard shift (2000-0400) for two to three days a week. Pay Rate: $18-20 an hour Qualifications and Requirements: * Access Control/Monitoring parking lot * Important work controlling access * Possess valid BSIS-issued Guard Card * Reliable transportation * Must have own duty belt, and black or brown boots

Eagle Seven is seeking a Senior Software Developer focused on exchange connectivity and market data.  The individual will be responsible for analyzing exchange protocols, proposing design solutions, and implementing connectivity to trading venues across the world. The role be a part of the platform development team and will provide the individual with exposure to traders and strategy developers. The successful candidate will be a self-starter, have strong sense of ownership and be driven to provide technical and intellectual solutions to business problems.    Primary Responsibilities include: Architecting and implementing low-latency market access solutions Understanding, interpreting, and interfacing with global exchanges and their protocols Designing, developing, and supporting market data feed handlers and exchange order routers Diagnosing latency issues and resolving with appropriate tuning and optimizations Working with traders to source, evaluate and facilitate access to new data sources Working with extended team to capture, house, and provide historical access to market data Liaise with vendors on data and technical issues as needed to deliver rapid solutions to the business Requirements Skills and Experience: Bachelor’s degree in Computer Science or related field Proven track record of understanding and working with global exchange protocols Experience with writing parsers for exchange protocols such as FIX and ITCH, etc. Strong background in C++ and C++ Template metaprogramming with demonstrated experience using C++14/C++20 Expertise with TCP/IP, UDP multicast, sockets, network protocols, particularly on Linux/Unix systems Experience using network tools such as Wireshark and TCPDump to monitor and debug behavior Ability to work in a collaborative environment Excellent written and verbal communication skills Benefits Eagle Seven offers a competitive and comprehensive benefits package to all full-time employees. Medical PPO and HMO coverage through BlueCross BlueShield Company Contributions to a Health Savings Account (with enrollment into a High Deductible Health Plan) Dental coverage through Principal Vision coverage through VSP 401k Retirement Savings Plan with Employer Match Company Paid Life Insurance Company Paid Disability Insurance Paid Time Off Flexible Spending Account Pre-tax Transit Benefits Complimentary Lunch and Beverages The minimum base salary for this role starts at $150,000. This role is eligible for a discretionary performance bonus as part of the total compensation package, in addition to the benefits listed above. Exact compensation offered may vary based on factors including, but not limited to, the candidate's experience, qualifications, and skill set.

US Construction & Remodeling is hiring experienced Metal Framers and Plumbers to join our team. If you have a strong track record and verifiable experience in either trade, we want to hear from you! To Apply If you’re qualified and interested, please submit your information or resume through our careers page: https://usconstructioncali.com/careers/ We Are Hiring For Professionals Skilled In Metal Framing Layout using plans/laser, accurate measurements, and anchoring to concrete/steel/wood. Building metal stud walls, soffits, bulkheads, and ceiling systems. Installing door/window frames, headers, backing, and blocking. Coordinating with other trades to keep framing square, plumb, and to spec. Following safety practices (PPE, fall protection) and maintaining a clean work area. Plumbing Rough-in and finish for residential/light commercial: DWV, water supply (PEX/Copper/CPVC), and fixture set-outs. Installing and connecting sinks, toilets, tubs/showers, water heaters (tank/tankless), and related valves. Pressure testing, leak checks, proper venting and trap assemblies to code. Reading plans, executing per specs, and communicating material needs. Safe use of tools (cutting, soldering/brazing/crimping) and jobsite housekeeping. General Responsibilities (All Roles) Deliver precise, clean workmanship that meets quality expectations. Maintain a safe, organized workspace and follow company safety policies. Adhere to project timelines, specs, and site rules. Qualifications Verifiable experience in one or more of the following: Metal Framing: Layout, stud/track installation, soffits/ceilings, openings, and hardware. Plumbing: Rough-in/finish work, fixtures, water heaters, pressure tests, and code compliance. Strong attention to detail and commitment to quality. Ability to work independently and as part of a team. Own basic tools for your trade (Metal Framing or Plumbing). Reliable transportation. Physical ability to handle materials and perform demanding tasks. What We Offer Pay: $20 per hour Potential pay increase after a performance review period. Opportunity to grow with a fast-growing company. To Apply If you’re qualified and interested, please submit your information or resume through our careers page: https://usconstructioncali.com/careers/