AWS 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

Company Overview Corporate eWaste Solutions a certified electronics recycler and IT Asset Disposition (ITAD) Company with a Social Impact Focus. CEWS maintains industry certifications and safety standards to ensure all electronics are managed properly and in an environmentally conscious manner. (R2v3, ISO 9001:2015, ISO 14001:2015, and OHSAS 18001:200) We are looking to hire a passionate PC and Apple Desktop Laptop ITAD Technician to take our IT Asset Disposition (ITAD) services business line to the next level. If you are self-driven, talented, hungry, and passionate to help the environment then give us a call. Responsibilities: • Sort, process, consolidate, triage, organize, route, palletize, and package both incoming and outgoing asset materials • Quickly diagnose, identify issues, and capture computer hardware or relevant devices information • Follow strict data sanitization and destruction procedures when processing data-bearing assets • Label, log, and document on all assets moving in and out in the area • Inventory products at designated area, organize, and maintain shelf life • Meet or exceed monthly goals and understand the nuanced requirements, deadlines and due dates between each order’s requirement • Ensure a safe and secure working environment • Manage and organize workstation, equipment, staging area and parts area • Research on product value • Handle goods and equipment properly to avoid damage or breakage • Maintain clean and safe housekeeping in and around warehouse • Assist in job training to new staff, participants, volunteers, and clients • Other duties as assigned Qualifications: • AS degree or 2 years of related jobs experiences working in a warehouse environment • Familiarity with a wide variety computer hardware components and operating systems • Understand the up-to-date computer hardware components verse older generations • Push or pull heavy objects into position using pallet jacks or other moving carts • Must be able to lift 50 lbs. on a regular basis • Ability to stand for long periods of time • Ability to prioritize in a constantly changing workload • Strong written and verbal communication skills • Server and Networking equipment experience a plus • Microsoft, A+, N+ certifications a plus This position reports to ITAD Supervisor Email: jobs@cews.com your resume and ensure to include [HAYWARD] in your email title

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!

ActX, Inc. brings the power of genetics to the everyday medical practice with cutting-edge products. We're seeking a talented Software Development Engineer with a passion for coding, love of technology, and desire to have a positive impact on people’s health! Ideal candidate meets the following profile: - An overachiever who learns new technologies quickly - BS degree in Computer Science, Mathematics, or a related field - 1+ year of software development experience, with a proven ability to write quality software - Working knowledge of Java and/or Ruby - Bioinformatics experience is a plus but not required - U.S citizen who lives in the greater Seattle, Washington area This is a rewarding, full-time position for a motivated developer who brings energy, drive, and talent to our mission. We offer a unique, small-team environment where innovative processes drive productivity and a competitive compensation package that includes PTO, health/dental/vision insurance, 401(k), and stock options. If you’re looking for a great opportunity to join an emerging industry leader, email your cover letter and resume today!

The Technical Support Specialist will interact with website events and customer issues in an intuitive, problem-solving manner. You will be responsible for monitoring the availability of 24/7 applications and responding to alerts by either resolving issues or escalating them to the appropriate level in real-time. Expertise is needed to support mobile devices as well as desktops and laptops. We are looking to fill 1 full-time employee for our 3rd shift, and you will be on-call 1 weekend per month, which will accrue PTO. This position requires a tech-savvy person who can predict potential issues and is looking for a career opportunity that is challenging. You will be working with a large team that is responsible for architecting, building, testing, and supporting the site. You may be involved in assisting with some of these efforts. PA state government or other government experience is helpful. This position is associated with a long-term contract with excellent career-building opportunities. This is a work-from-home position. Must be dependable with a proven ability to work without direct supervision. You must reside in the United States. Laptop & communication tools will be provided. Requirements · Website monitoring includes analyzing notifications and alerts for escalation, supporting real-time and scheduled events, and ensuring all automated communications are distributed without error. · Provide support communications for customer issues. · Interface with team leadership to understand daily / weekly roles and responsibilities and provide status updates on all activities daily. · Performs quality assurance (testing) procedures to ensure error-free working products and applications. · Evaluation and analysis of digital program performance and preparation of standardized analytical reports for internal and external purposes. Job Requirements: · Ability to handle multiple tasks with changing priorities. · Ability to work in a fast-paced, deadline-oriented environment. · Shift schedule will be non-traditional working hours, including one weekend a month. · Ability to work independently to complete required tasks without direct support or supervision. · Understands basic user experience/information architecture. · Understanding of website technologies (HTML, CSS, JavaScript). · Content Management System (CMS) Experience preferred. · Ability to think critically to solve problems on the fly. · Strong analytical, prioritizing, interpersonal, problem-solving skills. A clear criminal background is necessary. U.S. permanent residency is required. Benefits 401(k) Dental insurance Health insurance Paid time off Retirement plan Vision insurance STD/LTD Accidental Dismemberment

Now Hiring: Low Voltage Technician – Immediate Start Location: Broward & Dade County, FL ReignerTechnology.com | 954-294-5235 IG reignertechnology Overview: Reigner Technology is a leading provider of innovative IT solutions and structured cabling services for commercial clients. We specialize in low-voltage installations, network infrastructure, system integrations, and smart technology deployment. Our mission is to deliver reliable, scalable, and efficient tech solutions that empower businesses to operate at peak performance. Position Summary: As a Technology Specialist at Reigner Technology, you will be responsible for supporting the design, implementation, and maintenance of IT systems and network infrastructure. You will work directly with clients, project managers, and field technicians to ensure all technology solutions are delivered on time, within scope, and to the highest quality standards. Key Responsibilities: Install, configure, and troubleshoot network systems, servers, routers, and switches. Manage structured cabling installations including CAT5e/CAT6, fiber optics, and wireless access points. Conduct site surveys and support system design for new projects. Collaborate with clients to assess technology needs and provide tailored solutions. Document installations, configurations, and system performance reports. Maintain up-to-date knowledge of technology trends and best practices. Qualifications: 2+ years of experience in IT support, low-voltage cabling, or network infrastructure (preferred). Strong understanding of network architecture and system integration. Familiarity with tools such as Fluke testers, labeling systems, and patch panel setups. Excellent problem-solving skills and attention to detail. Ability to work independently and within a team environment. Valid driver’s license and willingness to travel to job sites. What We Offer: Opportunities for growth and certification support. Hands-on experience with cutting-edge technologies. A collaborative, supportive team culture. Competitive compensation based on experience. Strong customer service, attention to detail, and problem-solving skills Ability to read diagrams, blueprints, and follow technical instructions Knowledge of networking fundamentals and low voltage standards Self-motivated and quick to learn new technologies Tools & Equipment Experience: Punch tools (110/66), tone sets, crimp tools, volt-ohm meters, cable testers Standard hand tools: screwdrivers, pliers, drywall saws, drills, strippers, tape measure, flashlight, etc. Requirements: Valid driver's license with a clean driving record Able to lift 50+ lbs, work from ladders, and in confined spaces Visual and auditory ability to distinguish signals, colors, and fine print Must pass background check and drug screening Authorized to work in the U.S. Willingness to travel locally to job sites as needed Schedule: Monday – Friday On-call availability may be required