Freelance Software Developer (Rust) - AI Trainer

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

Seeking a hard working, reliable, and a tech savvy people-person to help users with their day-to-day technical issues. Short-distance travel required. You'll be helping Windows users in-person, via email, and over the phone. Note of Interest: we are not located in Charlotte, NC or Charleston, WV. This is for CHARLESTON, SOUTH CAROLINA. Sorry, no relocation is offered for this position.

Role: SAP Full-Stack Developer Location: Raritan, NJ – Onsite Position Type: Contract Required Skills:   ·       Proficiency in SAPUI5/Fiori, JavaScript, HTML, CSS. ·       Experience with SAP BTP, CAP, and SAP HANA. ·       Strong understanding of ABAP and/or Node.js/Java for backend development. ·       Familiarity with OData services, REST APIs, and SAP Gateway. ·       Hands-on experience with RAP model (Managed and Unmanaged scenarios). ·       Strong understanding of CDS annotations, authorization checks, and data modeling. ·       Experience with SAP Fiori Elements, UI5, and BAS (Business Application Studio). ·       Familiarity with SAP BTP, CAP (Cloud Application Programming Model), and SAP HANA. ·       Experience with version control (Git) and CI/CD pipelines. ·       Strong problem-solving and communication skills. ·       Experience with SAP S/4HANA extensions and customizations. ·       Knowledge of SAP Integration Suite, Event Mesh, or SAP Mobile Services. ·       Familiarity with Agile/Scrum methodologies. ·       SAP certification(s) in relevant areas.   Key Responsibilities:   ·       Design, develop, and maintain full stack applications integrated with SAP systems. ·       Build responsive front-end interfaces using SAPUI5/Fiori, HTML5, CSS3, and JavaScript. ·       Develop and maintain back-end services using Node.js, Java, or ABAP. ·       Integrate with SAP modules (e.g., S/4HANA, ECC) via OData services, RFCs, and REST APIs. ·       Work with SAP BTP services such as CAP (Cloud Application Programming Model), SAP HANA, and SAP Integration Suite. ·       Design and develop end-to-end applications using SAP RAP and CDS views on S/4HANA or SAP BTP. ·       Create and expose CDS-based OData services for consumption in SAP Fiori/UI5 applications. ·       Implement business logic using Behavior Definitions, Behavior Implementations, and Managed/Unmanaged RAP scenarios. ·       Develop side-by-side and in-app extensions using SAP Extension Suite and Key User Tools. ·       Build responsive front-end applications using SAP Fiori Elements, SAPUI5, and JavaScript. ·       Integrate with SAP and non-SAP systems using OData, REST APIs, and SAP Cloud SDK. ·       Collaborate with functional consultants, architects, and business stakeholders to translate requirements into technical solutions. ·       Ensure code quality, performance, and security through best practices and automated testing.

Description: Are you mechanically or electrically inclined? Do you enjoy problem-solving and providing hands-on service? We are seeking Service Technicians to troubleshoot, repair, and maintain a variety of commercial food equipment including cooking, preparation, ware washers, baking, and refrigeration. What You’ll Do: - Diagnose and repair electrical/mechanical equipment - Travel daily from home to customer sites with minimal supervision - Meet productivity and customer service goals - Work occasional overtime/on-call shifts Qualifications: - High School Diploma/GED - 0–2 years of related experience (HVAC, appliance repair, or military tech a plus) -- training will be provided!!! - Valid driver’s license and ability to drive multiple hours daily - Willingness to attend paid training (travel covered) Physical Demands: - Lift up to 75 lbs, climb ladders, bend, kneel, work in tight spaces - Drive 5–6 hours/day, walk 3–5 miles/day Why Apply: - Competitive pay + overtime - Insurance with low premiums -Paid vacation & holidays - 401(k) with company match - Extensive training & career growth - Service vehicle, uniforms, and safety equipment provided Work Schedule: - Full-time, primarily Monday–Friday - Flexibility for early mornings, evenings, and weekends This is a great opportunity to grow your career with a nationwide leader in service solutions. 📩 To apply, reply to this ad with your resume and contact information.

What is Aviture? Aviture is a full-service technology consulting firm with expertise in software solutions for both commercial and government organizations. We believe software doesn’t mean anything unless it solves a problem, so we create technology to enable users, open possibilities, and create meaningful impact. “I wanted to create a company that I would have wanted to work at when I was an engineer.” — Mark Griffis, President We are headquartered in Omaha, Nebraska, with remote employees across the nation: Las Vegas, Washington D.C., Austin, Dallas, Portland, Green Bay, Kansas City, Madison, Minneapolis, and Orlando, just to name a few. What is Aviture’s Art of the Possible? Along with our mission-driven team’s deep expertise in a wide range of development languages, we employ a disciplined agile approach to define goals upfront, keep organizational value at the forefront, and set the pace for rapid, iterative innovation that transforms organizations. We call this the Art of the Possible. The solutions we’ve created have: Saved lives in the California wildfires and southern U.S. flooding Provided security for the 2020 Presidential Inauguration, Super Bowl, and post-attack Boston Marathon Enabled augmented-reality training environments for surgeons Increased transparency and promoted patient wellness in hospitals and senior care facilities Combined computer vision and robotics to automate dangerous manual labor tasks And much more! Why You’ll Want to Live Aviturian Aviturians create technology that makes a meaningful difference in someone’s life. We’re a team made up of designers, engineers, developers, and inventors who believe technology’s purpose is to empower users to change the world. Here are the values that guide us: Embody integrity Seek ownership Stay hungry Remain grounded Create impact Challenge with respect We’ve built our culture around creativity, continuous learning, and our shared values. If that sounds like something you’d like to be a part of, then join us today! Software Engineer Aviture is hiring a Software Engineer. Aviturians understand how technology can change the world and have the technical skills to make those visions a reality. Aviturians are always eager to learn, share, collaborate, grow, and innovate. (We also share a good meme or thirty.) We’re looking for a rockstar Software Engineer who will… Work with a cross-functional team to design, develop, test and deploy innovative solutions to a wide range of complex business problems. Actively participate in all aspects of our agile development process. Utilize effective debugging techniques to identify and resolve software defects. Continuously keep themselves up to date on changes in technology, with an emphasis on the tech stacks being used by your team. Sound like you? Apply today: Requirements BS degree in Software Engineering related degree, similar technical field of study or equivalent practical experience. Excellent verbal and written communication skills. Able to respectfully challenge the status quo. Experience developing and maintaining large-scale applications using one or more general purpose programming languages, such as:Python, Java, C#/.NET, Go, JavaScript, TypeScript Experience with one or more modern frontend technologies is a plus: ReactJS, AngularJS, VueJS, etc. Able to work both autonomously, as well as collaboratively among a team of your peers. Excellent grasp of computer science concepts, proven ability to solve complex technical problems. Experience using common design patterns in the software industry. High personal standards for code quality, maintainability, and performance. This position will require the employee to have a Secret level Government clearance or the ability to obtain one. This position will require the employee to work in person at an off-site location. Benefits PPO or a High Deductible Health Plan, HSA eligible plan, Dental, Vision, and Supplemental Life. Generous paid time off that starts accruing on day one. Hybrid work environment with quarterly Castaway Week events in the Omaha HQ Office, all expenses paid, from across the country to participate in team-building, collaboration, and fun events. Company vacations!!! Previous destinations have included Napa Valley, Cancun, Cabo San Lucas and Aspen. Matching 401k with 100% vesting in six months. Pick your preferred workstation! Mac? PC? We’ll support you with the tech you need to do your best work. Get paid to go to national and international conferences and training, so that you can stay up to date with the latest innovations. Flexible work schedules: Work the times that fits your schedule, with all meetings required to be scheduled between 9 am and 3 pm CST. Free lunch every Friday and recurring team events for you and your family to enjoy. Incentive and bonus pay. Opportunities for connection and growth through peer coaching, recurring Lightning Talks to share things we’re passionate about, and a bi-weekly company-wide All Hands.

Launch Your IT Career with Northstar Technologies At Northstar Technologies, we don’t just hire talent—we develop it. We’re looking for motivated problem-solvers who want to learn, grow, and build lasting careers in IT. If you bring curiosity, initiative, and the drive to take on challenges, we’ll provide the tools, training, and mentorship to help you succeed! Why Choose Northstar? We believe the best way to grow our company is to grow our people. That’s why every person starts with our hands-on, 3-month remote training program, designed to fast-track your skills with the guidance of team and access to enterprise-level equipment. What We Offer • Accelerated Learning:– In as little as 3 months (or faster, based on your pace). • Mentorship:Learn directly from experienced engineers committed to your growth. • Cutting Edge Tech: Train on modern, enterprise-grade infrastructure.. • Career Growth: Start at $22/hr with a clear path to raises and advancement. • Exciting Travel Opportunities : Gain valuable nationwide project experience, expand your professional network, and build skills in diverse environments. Work, travel, and explore! With 100% travel required, you’ll experience new cities and opportunities while your housing and relocation are fully covered. Comprehensive Benefits Medical, Dental, Vision, Life Insurance, and Paid PTO/Holidays. Who We’re Looking For Ideal candidates bring: • Problem-solving skills: You tackle challenges directly and seek new solutions. • A Willingness to Learn: You’re adaptable and eager to gain new skills. • A Team-Oriented Mindset: You value collaboration and open communication. • Attention to Detail: You’re organized and thorough. • Practical Thinking: You approach problems with an open mind and resourcefulness. Requirements: • Ability to pass a comprehensive background check (including criminal history) and drug screen. • 100% travel and relocation required (company provides housing and relocation support). • Flexibility to live and work in project cities for extended periods. • Authorization to work in the U.S. Ready to Move Forward? Send your resume to info@northstar-tek.com and start your journey with Northstar Technologies. We help businesses transform through technology, providing secure, agile, and cloud-ready IT infrastructure solutions. Our services range from strategy and consulting to design, implementation, and support.