Embedded Software Engineer (Networking)

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

Certified SMOG TECHNICIAN with 0.4 or higher score Needed for the weekends only we have this amazing Star Certified location in the heart of Citrus heights , great work environment. Contact for more details

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

JOB TITLE: Business Systems Analyst (SAP S4HANA HCM Functional Support) LOCATION: Sacramento or San Francisco JOB OPENING #: 6506 OVERVIEW The Judicial Council of California is accepting applications for the position of Business Systems Analyst (BSA) in the Trial Court Administrative Services (TCAS) Center of Excellence Human Resources Payroll System Support (HR PSS) unit of the Branch Accounting and Procurement (BAP) office. The Business Systems Analyst provides system and software maintenance support for the Phoenix SAP system to end users in the Trial Court Administrative Services’ (TCAS) Shared Services Center and the trial courts. This includes support of the Organizational Management, Personnel Administration, Benefit Administration, Time Management, and Payroll modules, and Employee Services and Manager Services Fiori applications, for twenty courts currently utilizing the HR Payroll services. The Phoenix SAP System was recently upgraded to SAP S4HANA version 2023 with HCM4HANA. The Judicial Council strives for work life balance and includes substantial vacation and holiday time. In addition, we offer an excellent benefits package including pension, medical, dental and vision coverage, flexible spending, up to $130 per month reimbursement for qualifying commuting costs, and retirement savings plans. In San Francisco, the office is only a 7-minute walk from the downtown Civic Center BART station. In Sacramento, the office is located minutes from downtown, just north of Discovery Park. The Judicial Council The Judicial Council of California is the policymaking body for the state court system and has constitutionally conferred statewide rule-making authority. This authority includes developing, advocating for, and allocating the judicial branch budget. A majority of Council members are California state justices and judges; however, the Council also includes lawyers, legislators, and court administrators. By enhancing its role as a leadership, knowledge, and service resource for the judicial branch, the Judicial Council’s staff organization seeks to continue to evolve as one of California’s most dynamic public service entities, focused on improving access to justice for all Californians by innovating and responding to the changing needs of the courts and the public. As a government body charged with improving the statewide administration of justice, the Judicial Council has multiple offices with diverse responsibilities relating to court policy and operations. As employees of the council, every member of staff should view and approach their work as one Judicial Council with a public service mission that is greater than the sum of its parts. The Judicial Council offers hybrid work arrangements for many positions. The successful candidate will be expected to work in person at the Judicial Council’s San Francisco or Sacramento office at least two days per week, based on their office leader’s direction, and reside in the areas surrounding these locations. RESPONSIBILITIES • Provide essential SAP system module support and maintenance in areas or modules of Organizational Management, Personnel Administration, Benefit Administration, Time Management, Payroll, Employee Services, and Manager Services for the end users in TCAS Shared Services and the trial courts working on mostly standard less complex items such as master data table changes. o Assess and analyze system issues by communicating with the reporting users, reviewing system or other authoritative documentation, and performing system validation to determine full understanding of the problem and root cause, as needed. o Gather and document all business requirements and conduct interviews/workshops and design and update requirement and configuration templates as needed. • Under the direction and guidance of the Manager and with support of a Sr. BSA, review, analyze, develop, and execute on-going system maintenance to ensure tables and schemas are designed and running at optimal system performance. o Perform changes and complete comprehensive testing in the Phoenix sandbox environment. Repeat until successful prototype results are achieved. o Implement (design, build or configure, test, and document) the solution using the Phoenix Change Request Management (ChaRM) process. • Participate in the review, analysis, and execution of SAP year-end support packs as a module expert. o Review, analyze, and document SAP notes that should be tested or that can be part of general automated testing process using Variance Monitor (VM). o Attend project meetings and business team meetings to provide updates on the status of work. • Under the direction and guidance of the Manager and with support of a Sr. BSA, participate in SAP system upgrades. o Review, analyze, and document system changes of an assigned module to assist in the tasks needed to complete the project plan. o Attend project meetings and business team meetings to provide updates on the status of work. • Assist in training and/or knowledge transfer to users of the system, peer analysts, and office colleagues. o Review and analyze subject matter to ensure complete understanding of what is to be documented and trained. o Develop, create, and maintain documentation using existing program templates to align solution design, process flow, system and manual steps, decision points, and impacts. Collaborate with peers and key users. Gain approval through existing program review process. MINIMUM QUALIFICATIONS EDUCATION AND EXPERIENCE Bachelor’s degree and three (3) years of experience providing technical and business process support and analysis for systems/applications. An additional four (4) years of professional experience as noted above may substitute for the bachelor’s degree. Or, additional directly related experience and/or education may be substituted on a year-for-year basis. OR Three (3) years as a Business Systems Coordinator, or two (2) years as an Associate Analyst in the assigned field with the Judicial Council of California, or three (3) years of experience performing the duties of a class comparable in the level of responsibility to that of a Business Systems Coordinator, or two (2) years as an Associate Analyst in the assigned field in a California superior court or California state-level government entity. Desirable Qualifications • Strong knowledge of SAP HR/Payroll (USA Public Sector), Personnel Administration (PA), Employee Services (ES), Manager Services (MS), Taxes, W2, Benefits Administration (BA), Organization Management (OM), or other relevant experience to solve business problems in support of the Phoenix SAP system. • Experience with SAP HR/Payroll systems including functional configuration and design, integration with third-party systems, testing, and support. • Hands-on experience performing configuration and testing on at least 2 US Payroll implementations. OTHER Please note, if you are selected for hire, verification of employment authorization to work in the United States will be required. HOW TO APPLY This position is Open Until Filled. Submission of our official application, a resume and a response to the supplemental questions is required. To ensure consideration of your application for the earliest round of interviews, please apply by 5:00 P.M. on Tuesday, September 30, 2025. To complete the online application, please visit https://www.courts.ca.gov/careers.htm and search for JO# 6506. The Judicial Council provides reasonable accommodation to applicants with disabilities who request such accommodation. Reasonable accommodation needs should be requested through Human Resources at (415) 865-4260. PAYMENT & BENEFITS $7,513 - $11,270 per month Please note due to statewide fiscal conditions, the posted salary range is subject to a temporary 3% reduction. In exchange for this reduction, judicial branch employees accrue an additional 5 hours of paid personal leave per month through June 30, 2027. Some highlights of our benefits package include: • Health/Dental/Vision benefits program • 14 paid holidays per calendar year • Choice of Annual Leave or Sick/Vacation Leave • 1 personal holiday per year • Up to $130 per month reimbursement for qualifying commuting costs • CalPERS Retirement Plan • 401(k) and 457 deferred compensation plans • Employee Assistance Program • Basic Life and AD&D Insurance • FlexElect Program • Pretax Parking • Long Term Disability Program (employee paid/optional) • Group Legal Plan (employee paid/optional) The Judicial Council of California Is an Equal Opportunity Employer Supplemental Questions for Business Systems Analyst (JO# 6506) To better assess the qualifications of each applicant, we will review your response to the following question. Please indicate for which employer you performed these functions. Your answer should not exceed a total of one page. 1. Please explain why you are interested in this position. 1832 2. Please explain your functional experience supporting SAP HR Payroll or other ERP system(s). 4072

Atto Trading, a dynamic quantitative trading firm founded in 2010 and leading in global high-frequency strategies, is looking for a Low-Latency Developer to join our team. We are expanding an international, diverse team, with experts in trading, statistics, engineering, and technology. Our disciplined approach combined with rapid market feedback allows us to quickly turn ideas into profit. Our environment of learning and collaboration allows us to solve some of the world’s hardest problems, together. As a small firm, we remain nimble and hold ourselves to the highest standards of integrity, ingenuity, and effort.  Position Highlights: We are modernizing our trading and research platform to scale our alpha trading business. This platform will enable researchers to explore, test, and deploy sophisticated signals, models, and strategies across asset classes in a robust, fully automated manner while maintaining competitive latency targets. As a Low-Latency Developer, you will be responsible for designing, optimizing, and maintaining high-performance trading systems to minimize latency. Your Mission and Goals: Analyze and optimize the performance of low-latency trading systems by identifying bottlenecks and inefficiencies in the code, and implementing effective solutions.  Develop and adapt the platform to support the demands of a fast-paced trading environment, while effectively managing technical debt. Requirements Over 5 years of experience as a low-latency developer with a focus on performance optimization in a high-frequency trading (HFT) environment. Experience with multiple components of an HFT platform or system, particularly those on the critical path. Experience working at an HFT firm during its startup phase and/or on a trading team is a significant plus. Technical Skills: Deep knowledge of HFT platforms: networking, kernel bypass, market data, order entry, threading, inter-process communication, and strategy APIs. Proven low-latency development and performance optimization in HFT. Strong proficiency in C++. Excellent understanding of CPU caches and cache efficiency. Experience with multithreaded and multi-process synchronization. Good understanding of networking protocols. Skilled in performance profiling and optimization tools. Advanced knowledge of Linux operating systems, including kernel-level device mechanisms. About You: Practical decision-making skills. Excellent communication skills. Strong analytical and problem-solving skills. Passion for trading. Ability to work independently and as part of a team. Benefits Competitive rates of pay. Paid time off (5 weeks). Coverage of health insurance costs. Office lunches. Discretionary bonus system.  Annual base salary range of $150,000 to $300,000. Pay (base and bonus) may vary depending on job-related skills and experience. Our motivation: We are a company committed to staying at the forefront of technology. Our team is passionate about continual learning and improvement. With no external investors or customers, we are the primary users of the products we create, giving you the opportunity to make a real impact on our company's growth. Ready to advance your career? Join our innovative team and help shape the future of trading on a global scale. Apply now and let's create the future together!

Booklog is looking for a level 1 – 3 technical support individual. This position is to provide outstanding technical support for Booklog software and various interfaces along with onboarding of new customers, testing of software and training on usage of software. We’re looking for a motivated individual to be part of our committed team. We need to be the experts so our customers don’t have to. Located in Chicago’s Andersonville neighborhood; telecommuting is available. Qualifications • At least 2 years experience in technical support, preferably phone support • Experience with Microsoft Windows operating systems • Familiarity with databases and database troubleshooting • Knowledge of computer network systems • Ability to troubleshoot software problems and offer solutions by phone • Good problem solving skills with attention to detail • Strong verbal, written, interpersonal, and organizational skills • Ability to work both independently and in a team environment • Experience with SQL Server 2022, Sybase SQL applications and databases • Ability and excitement to learn new skills • A ‘think outside of the box’ mentality • Customer Service experience • Software training experience a plus • Previous experience training customers on software usage • Experience with use of peripheral devices • 10% or less travel to customer locations within the US to train and install software Benefits • Casual environment with a great group of people who love what they do • In office or telecommuting options • 100% paid health insurance • 2 weeks vacation to start • Generous 401K options • Permanent full-time. PLEASE SEND RESUME WHEN APPLYING