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Autonomously participate throughout all phases of the software development lifecycle while guiding Quantitative Researchers and Traders through the creation and implementation of automated system software solutions that leverage sophisticated statistical techniques and technologies. Analyze Quantitative Researchers and Traders needs and software requirements to determine feasibility of new features and enhance existing trading strategies by combining quantitative and programming expertise; leverage advanced mathematical techniques, experience with data analysis/data analysis technologies, and experience with object oriented programming skills (in C++, Java, or C#) to design, develop, and deliver high-performance production code, new features, and enhancements to existing trading strategies; research, design and develop heavily computational algorithms and technical design specifications; Find, investigate, and resolve user and application problems by developing best practices and technical solutions for the team; provide training for new procedures and develop an understanding of the relevant aspects of the business domain. Work with quantitative researchers and traders to develop new features and enhance existing trading strategies by combining quantitative and programming expertise; Focus on functional and numerical testing throughout the entire software development lifecycle; analyze user needs and software requirements to determine feasibility of design within time and cost constraints; Monitor the status and functionality of systems; Resolve technical problems and provide guidance on how to improve business and technology solutions by employing software coding and programming skills; modify existing software to correct errors, to adapt it to new hardware or to upgrade interfaces and improve performance; independently solve business problems and enhance and extend front, middle and back office business capabilities of the firm by contributing to the development of innovative, advanced, stable systems. REQUIREMENTS: Bachelor's degree, or foreign equivalent, in Computer Science, Engineering, Mathematics, Physics or related discipline providing strong quantitative and analytical skills, plus five (5) years of progressive experience utilizing Python, C++, C#, or Java OR Master's degree, or foreign equivalent, in Computer Science, Engineering, Mathematics, Physics or related discipline plus two (2) years of progressive experience utilizing Python, C++, C#, or Java. Contact: Email resume to: applytoSIG@sig.com and ref job code: 202505

We’re seeking a highly skilled AI Engineer. Our client within the technology space is offering innovative projects that solve real-world problems with AI. This role will provide opportunities to work with cutting-edge technologies and deliver impactful AI solutions. Key Responsibilities: Develop, train, and deploy machine learning (ML) and deep learning models to solve industry-specific challenges. Design scalable data pipelines and preprocess datasets for training and inference. Collaborate with cross-functional teams to integrate AI models into existing systems. Research and implement state-of-the-art algorithms for areas like NLP, computer vision, predictive analytics, and generative AI. Conduct error analysis and improve models to address bias, fairness, and explainability. Document technical processes and results, ensuring knowledge sharing within teams. What We’re Looking For: Technical Skills: Proficiency in programming languages like Python, R, or Java. Hands-on experience with AI frameworks such as TensorFlow, PyTorch, or scikit-learn. Strong knowledge of data preprocessing, feature engineering, and model evaluation metrics. Expertise in at least one domain: Natural Language Processing (NLP) Computer Vision Reinforcement Learning Generative AI (e.g., GPT, Stable Diffusion) Familiarity with cloud platforms (e.g., AWS, Google Cloud, Azure) for model deployment. Strong grasp of mathematics and statistics (e.g., linear algebra, probability, optimization). Soft Skills: Ability to explain complex AI concepts to non-technical stakeholders. Strong problem-solving and critical-thinking skills. Passion for continuous learning and staying updated with the latest AI trends. Requirements Preferred Qualifications: Bachelor's or Master’s degree in Computer Science, Artificial Intelligence, Data Science, or a related field. Industry certifications in AI/ML (e.g., AWS AI/ML Certification, Coursera AI Specializations). Previous experience in sectors like healthcare, finance, retail, or autonomous systems is a plus. Benefits Exposure to international markets and the opportunity to work with a diverse team Flexible remote working arrangements Innovative environment At Substance, we’re all about action, not just talk. If your profile aligns with what we need, you’ll hear from us within 1-2 weeks. If not, no fluff—just know we value your interest and will keep you in mind for future roles where your skills can make an impact. We focus on real connections and meaningful matches, so when the right opportunity comes, we’ll be ready to make it happen. Getsubstance.co Pte. Ltd. | EA License No: 24C2398

About the Position We are seeking a motivated IT Support Specialist to join our technology team. This role will provide technical support and system administration in an environment of over 150 users, with a focus on Microsoft 365, Azure AD, Intune MDM, Apple Business Manager, and general IT operations. The ideal candidate will be bilingual (Spanish/English), customer-oriented, and capable of handling daily IT support, cloud administration, security tasks, occasional on-call responsibilities, and occasional travel between Tijuana–San Diego sites. ________________________________________ Responsibilities • Provide technical support to ~150 end users (Windows, macOS, and mobile devices). • Manage user/group accounts, licensing, and access in Azure Active Directory and Office 365. • Administer Exchange Online, SharePoint Online, OneDrive, and Teams environments. • Configure and maintain Intune MDM policies and mobile/desktop device enrollments. • Manage Apple Business Manager for the iOS/macOS fleet. • Perform user onboarding and offboarding processes, ensuring compliance with security best practices. • Support and maintain the Barracuda Email Gateway to reduce phishing/spam incidents. • Provide support for Hikvision CCTV cameras and NVR infrastructure. • Apply networking fundamentals to troubleshoot connectivity issues (LAN/WAN, VPN, firewalls). • Maintain IT asset inventory and equipment labeling management. • Develop and maintain automation scripts in PowerShell and Bash. • Participate in on-call rotations and respond to critical IT incidents. • Collaborate with the IT team to continuously improve processes, security, and reliability. ________________________________________ Qualifications Required Skills and Experience • 2+ years of experience in IT support or system administration. • Bachelor’s degree in Computer Engineering or related field (required). • Solid knowledge of Azure AD, O365, Exchange Online, SharePoint, OneDrive. • Hands-on experience with Intune MDM and Apple Business Manager. • Familiarity with Barracuda Email Security Gateway. • General networking fundamentals (TCP/IP, DNS, DHCP, VPN, firewalls). • Knowledge of IT security best practices. • Experience with Hikvision CCTV systems (desirable). • Proficiency in PowerShell and Bash scripting. • Excellent problem-solving and communication skills. • Bilingual (Spanish/English) – required. • Availability for occasional site travel (Tijuana, San Diego). Certifications (desirable, not mandatory): • CompTIA A+ • CompTIA Network+ • CompTIA Security+ (preferred) • CCNA (preferred) • Microsoft Certified: Azure Administrator Associate (preferred) • Microsoft Certified: Azure Fundamentals ________________________________________ What We Offer • Competitive salary and benefits package. • Professional development opportunities and certification reimbursement. • A collaborative IT team supporting a growing organization. • Exposure to cloud systems, security, and enterprise-level IT.

Location: Las Vegas, NV Expected pay amount: $25.00 USD Per Hour Schedule: Multiple shifts/schedules available Assignment length: 6 month rolling contract (no end date) Job description JHCareers is helping an innovative, on-demand autonomous ride-hailing company hire a TeleOperations Operator to support its growing fleet of autonomous vehicles. This role is critical in ensuring the smooth operation of self-driving technology by monitoring vehicles, providing remote assistance when needed, and contributing to the ongoing improvement of the TeleOperations system. As a TeleOperations Operator, you will be the “human-in-the-loop,” bridging the gap between autonomous driving systems and real-world scenarios that require intervention. This position is perfect for candidates with a strong technical aptitude, excellent situational awareness, and the ability to remain calm under pressure. Various Shifts Available: Hours: 10:00 AM - 6:30 PM OR 5:30 PM - 2:00 AM Days: Multiple Shifts Available As a TeleOps Operator, you'll: Oversee a fleet of autonomous vehicles in real-time, providing remote guidance when necessary to ensure safe operation. Take control of vehicles in complex scenarios, following strict safety protocols and regulatory guidelines. Assist in gathering performance metrics and reporting observations to improve system functionality. Work cross-functionally to provide feedback on TeleOps tools, usability, and overall system performance to enhance the operator interface. Follow company protocols and regulatory requirements to maintain high operational standards. Commitment: This is a full-time, 6-month ongoing contract position. It will be onsite and available to candidates who are local to the Las Vegas, NV area. Requirements Requirements Excellent driving history and no criminal history 2+ years of experience in operations, technical support, software testing, or a similar field Comfortable working with Windows and Linux operating systems; basic understanding of QA testing principles. Excellent written and verbal communication skills Willingness to work flexible shift hours Bonus Qualifications: Experience with QA testing or working in the autonomous vehicle industry Bachelor’s degree in STEM, analytics, or related field Basic understanding of data analysis to help build out and analyze metrics Strong familiarity with video game-style controls or simulation software. Benefits Benefits: Pre-tax commuter benefits Employer Subsidized healthcare benefits Flexible Spending Account for healthcare-related costs Employer covers all costs for short and long term disability and life insurance 401k package

• Collaborates with the development team and stakeholders to understand project requirements and specifications. Develop test plans, test strategies, and test cases to ensure comprehensive test coverage. • Execute manual and automated tests to verify software functionality, identify defects, and ensure adherence to quality standards. Perform functional, integration, regression, performance, and usability testing as necessary. • Document and track defects found during testing, and work closely with the development team to ensure timely resolution. Conduct root cause analysis and help identify corrective actions to prevent similar issues in the future • Develop and maintain automated test scripts using testing frameworks, tools, and programming languages • Set up and configure test environments, including hardware, software, and network configurations • Create and manage test data to ensure proper coverage and accuracy during testing. Identify and secure sensitive or confidential test data as required • Prepare and maintain test documentation, including test plans, test cases, test scripts, and test reports. Provide accurate and detailed reports on test results, metrics, and overall quality status to stakeholders. • Collaborate with cross-functional teams, including developers, business stakeholders, and business analysts, to ensure a shared understanding of requirements and quality expectations. Communicate effectively to provide feedback, raise concerns, and drive quality improvements. • Continuously evaluate and improve testing processes, methodologies, and tools to enhance efficiency, effectiveness, and overall quality. Stay updated with industry best practices, emerging technologies, and advancements in QA methodologies. • Promote a culture of quality within the organization by advocating for QA best practices, quality standards, and processes. Participate in code reviews, design discussions, and quality-related initiatives to ensure quality Master's Degree in CS of Information Technology required, plus minimum 24 months of relevant experience

Engineer Solutions that Empower Students  Are you passionate about technology, troubleshooting, and making an impact in education? MasteryPrep is seeking a Technical Support Engineer to provide high-quality support to both internal teams and external users, ensuring seamless operations across our technology platforms. Join a team dedicated to using technology to empower educators and students nationwide. In this role, you will serve as a key technical resource for our customers, troubleshooting and resolving complex issues across full-stack web applications. You’ll use modern developer tools, databases, and reporting systems to diagnose problems, ensure smooth integrations, and deliver timely solutions. This hands-on position involves collaborating closely with development, QA, and product teams to reproduce and resolve defects, maintaining application stability, and driving continuous improvement. Success in this role requires both strong technical expertise and clear, empathetic communication, ensuring that every customer interaction leads to a reliable and positive experience. Key Responsibilities: Serve as the primary point of escalation for customers issues, addressing their technical inquiries and issues related to full-stack technologies. Provide timely troubleshooting and resolution of customer-reported bugs in web applications built with TypeScript and React. Diagnose and resolve database-related issues in PostgresSQL and Firestore, ensuring data integrity and performance optimization. Document, track, and escalate customer-reported bugs using Gitlab. Collaborate with development teams to reproduce, diagnose, and resolve software defects Lead maintenance engineering. Work closely with cross-functional teams, including development, QA, and product management, to resolve complex technical issues. Communicate effectively with customers, providing updates on the status of their requests and issues in a clear and timely manner. Gather feedback from customers to improve the support process and contribute to product enhancements. About MasteryPrep Nearly 90% of low-income students graduate high school without a college-ready ACT or SAT score. MasteryPrep’s mission is to level the playing field in education by offering the most effective test preparation available – made accessible to all students.  Through more than 10 successful years of partnering with school districts and institutions on college readiness services and resources, MasteryPrep has surpassed one million students served since the company’s founding in 2012.  MasteryPrep increased its student outreach by 70 percent in 2021 and is ranked among the Inc. 5000 “Fastest Growing Companies,” featured by “Entrepreneur 360,” and selected among the “Growth Leaders” by Louisiana Economic Development. Requirements Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience) 2+ years experience as a full-stack engineer Strong knowledge of Google Firestore, PostgreSQL, TypeScript, JaveScript, and React Experience with SSO,  specifically with Security Assertion Markup Language (SAML) protocols Proficient in integrating Learning Tools Interoperability (LTI) standards  Skilled in integrating with Student Information Systems (SIS)  Familiarity with rostering and integration services in education technology (e.g., Clever, ClassLink, Schoology) Excellent problem-solving and troubleshooting skills Ability to work independently and as part of a team in a fast-paced environment Strong communication and collaboration skills Familiarity with compliance standards such as FERPA, COPPA or PCI DSS preferred Knowledge of secure coding practices and application security testing techniques preferred Benefits $75,000-$85,000 starting salary based on qualifications  Opportunity to work with cutting-edge technologies in a collaborative environment Flexible work hours and remote work environment Professional development opportunities and reimbursement for certifications and training  Company-sponsored social events and team-building activities Employee benefits eligibility (health, disability, AD&D, life insurance) Matching 401k Paid time off Generous paid holidays