Freelance Software Developer (C/C++ - Rust) - AI Trainer

Job Description: We are seeking a highly skilled and experienced Senior Data Engineer to join our team. The ideal candidate will have a strong background in data engineering, with a specialization in Matillion, SSIS, Azure DevOps, and ETL processes. This role will involve designing, developing, testing, and deploying ETL jobs, collaborating with cross-functional teams, and ensuring efficient data processing. Key Responsibilities: Design, develop, test, and deploy Matillion ETL jobs in accordance with project requirements. Collaborate with the Data and BI team to understand data integration needs and translate them into Matillion ETL solutions. Create and modify Python code/components in Matillion jobs. Identify opportunities for performance optimization and implement enhancements to ensure efficient data processing. Collaborate with cross-functional teams, including database administrators, data engineers, and business analysts, to ensure seamless integration of ETL processes. Create and maintain comprehensive documentation for Matillion ETL jobs, ensuring knowledge transfer within the team. Create, test, and deploy SQL Server Integration Service (SSIS) packages and schedule them via Active Batch scheduling tool. Create Matillion deployment builds using Azure DevOps CI/CD pipeline and perform release manager activities. Review code of other developers (L2, L3-BI/DI) to ensure code standards and provide approval as part of code review activities. Resolve escalation tickets from the L2 team as part of the on-call schedule. Working knowledge of API and Postman tool is an added advantage. Qualifications: Bachelor's or Master's degree in Computer Science, Engineering, or a related field. 5+ years of experience in data engineering, with a focus on ETL processes. Proficiency in Matillion, SSIS, Azure DevOps, and ETL. Strong knowledge of SQL, Python, and data integration techniques. Experience with performance optimization and data processing enhancements. Excellent collaboration and communication skills. Ability to work in a fast-paced, dynamic environment. Preferred Skills: Experience with cloud platforms such as AWS or Azure. Knowledge of data warehousing and data modeling. Familiarity with DevOps practices and CI/CD pipelines. Strong problem-solving skills and attention to detail.

Core Systems, a leader in rugged computer and server solutions for mission-critical defense and industrial applications, is seeking a Computer Repair Technician to join our RMA and repair operations team. This position focuses on diagnosing, troubleshooting, and repairing customer-returned products and Core Systems–built servers. Resume Required. Key Responsibilities Perform diagnostics, troubleshooting, and repair on returned computer systems, servers, and components. Process RMA units through inspection, testing, and documentation. Repair hardware at the system, component, and board level when required. Assist in root cause analysis and corrective action reports for customer returns. Work closely with engineering and production teams to support continuous improvement. Maintain accurate service records and ensure timely turnaround of customer units. Qualifications Proven hands-on experience repairing computer systems, servers, or related IT hardware. Strong knowledge of hardware components (motherboards, CPUs, memory, storage, power supplies, etc.). Experience with diagnostic tools and test equipment. Ability to read schematics and follow technical documentation. Detail-oriented, organized, and able to work under time-sensitive conditions. Previous experience in an RMA/repair environment is a MUST. Familiarity with ruggedized or military/industrial computer systems a plus. What We Offer Competitive pay and benefits package. A chance to work with cutting-edge technology in the defense and industrial markets. Collaborative, supportive team environment. Opportunities for growth and advancement within the company.

At Avalore, we are a mission-driven, veteran-owned small business that helps government agencies harness the power of data and emerging technologies to solve complex problems. Our team combines deep technical expertise with a passion for public service, delivering innovative, responsible solutions in AI, data governance, cybersecurity, and enterprise transformation. Joining Avalore means working alongside experts who have successfully led high-impact initiatives across the DoD and Intelligence Community, and being part of a company that values integrity, agility, and purpose. Your responsibilities will include: Develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.  Analyze user requirements to derive software design and performance requirements  Design and code new software or modify existing software to add new features  Debug existing software and correct defects  Integrate existing software into new or modified systems or operating environments  Develop simple to complex data queries for existing or proposed databases or data repositories  Provide recommendations for improving documentation and software development process standards  Works individually or as part of a team.  Reviews and tests software components for adherence to the design requirements and documents test results.  Utilizes software development and software design methodologies appropriate to the development environment.  Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. Requirements Bachelor’s degree in a technical discipline from an accredited college or university is required + Fourteen (14) years’ experience as a SWE in programs and contracts of similar scope, type, and complexity  Four (4) years of relevant SWE experience may be substituted for the degree  Ability to work independently and manage multiple priorities. TS/SCI and Special Security Accesses and Polygraph required. Applicants must be currently authorized to work in the United States on a full-time basis. Avalore will not sponsor applicants for work visas for this position. Desired: Cloud, CNO, DevOps, Data Analytics, Machine Learning & AI  Benefits Eligibility requirements apply. Health Care Plan (Medical, Dental & Vision) Retirement Plan (401k, IRA) Life Insurance (Basic, Voluntary & AD&D) Paid Time Off (Vacation, Sick & Public Holidays) Short Term & Long Term Disability Training & Development Employee Assistance Program

We are developing next-generation AI platforms that fuse finance and learning — built to deliver real execution and measurable results for businesses and professionals. We’re seeking visionary technical builders to join as Co-Founders / Founding Engineers at the pre-launch stage. This is not a traditional job — it’s an opportunity to shape a first-of-its-kind startup from the ground up. We’re especially interested in entrepreneurial talent with expertise in: • AI/ML Engineering • Full-Stack Development • Cloud Architecture • UI/UX Design Compensation: Equity-based founding role (with flexibility to discuss minimal salary support if needed). To apply: Please reply with a short note on your background, your key technical skills (e.g., AI/ML, full-stack, cloud, UX/UI), and attach your resume/CV. Selected applicants will then receive more details, including company information and a formal application link.

SciTec is a dynamic small business, with the mission to deliver advanced sensor data processing technologies and scientific instrumentation capabilities in support of National Security and Defense, and we are growing our creative team! We support customers throughout the Department of Defense and U.S. Government in building innovative new tools to deliver unique world-class data exploitation capabilities. Important Notice: SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. SciTec cannot sponsor or assume sponsorship of employee work visas of any type. Further, U.S. citizenship is a requirement to obtain and keep a security clearance. Applicants that do not meet these requirements will not be considered. SciTec has immediate opportunities for talented software & algorithm developers and engineers to support programs focusing on low-latency data processing, fusion, and tracking algorithms for exploitation of remote sensing systems. Our ideal candidate will work well in multiple software languages as part of a rapid pace, collaborative, small-team environment consisting of Scientists, Engineers, and Developers and be able to prototype and develop advanced algorithms leading to eventual integration in C++ on Linux operating systems as part of government frameworks. Responsibilities Research new algorithms and analysis techniques for remote sensor data exploitation Demonstrate fluent, idiomatic mastery of Python and/or C++; comfort with software design and architecture Develop proof-of-concept signal processing, image processing, and data exploitation tools in Python Characterize quality/performance of algorithms and sensor systems Work as part of an Agile team and contribute to shared tools Other duties as assigned Requirements Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information. A bachelor’s degree in the physical sciences, mathematics, engineering, or computer science At least five years of ongoing professional experience in defense and/or defense-related technological fields (additional years of education may be substituted for years of experience) Professional experience with state estimation, tracking, or Guidance, Navigation, and Control (GNC) Professional experience and fluency in the following languages: C++, Python Fluency with Linux operating systems Ability to work full-time in-person in Boulder, CO office location Detail oriented with good verbal and written communication skills Candidates who have any of the following skills will be preferred A current active DoD SECRET security clearance or higher An advanced degree in the physical sciences, mathematics, engineering, or computer science Professional experience with application orchestration and/or deployment to the cloud Professional experience with Agile software development Professional experience with the exploitation and analysis of OPIR, E/O, SAR, Spectral, RF, or other remotely sensed data Benefits SciTec offers a highly competitive salary and benefits package, including: Employee Stock Ownership Plan (ESOP) 3% Fully Vested Company 401K Contribution (no employee contribution required) 100% company paid HSA Medical insurance, with a choice of 2 buy-up options 80% company paid Dental insurance 100% company paid Vision insurance 100% company paid Life insurance 100% company paid Long-term Disability insurance 100% company paid Hospital Indemnity insurance Voluntary Accident and Critical Illness insurance Short-term Disability insurance Annual Profit-Sharing Plan Discretionary Performance Bonus Paid Parental Leave Generous Paid Time Off, including Holiday, Vacation, and Sick Pay Flexible Work Hours The pay range for this position is $117,000 - $168,000 / year. SciTec considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, education/training, and key skills. This is not a guarantee of compensation. SciTec is proud to be an Equal Opportunity employer. VETS/Disabled.

Fully onsite, temp to perm, ASAP start date. Pay is BOE 48-85 per hour • 30% Network Operations and Security Management: Responsible for the daily operations, maintenance, and troubleshooting of the branch’s network. Monitor and analyze network performance, respond promptly to and resolve operational issues and incidents. Perform fault diagnosis and resolution for various types of network failures; create and manage support tickets with third-party vendors for any type of network performance degradation or system issue. Conduct regular and ad-hoc health checks to identify and eliminate risks, ensuring the overall health of the network environment. Coordinate with maintenance vendors for hardware repair and replacement. Responsible for network-related disaster recovery activities, including drills, testing, and documentation. • 25% Network Architecture Optimization and Technical Standards Development: Design and optimize network architecture by incorporating industry best practices and aligning with headquarters’ technical standards. Continuously improve the network architecture and evaluate emerging technologies for potential adoption. Revise and refine network management technical standards in accordance with HQ requirements and local business needs. • 20% Network Asset Management: Maintain and update network topology diagrams, as well as asset records for network devices and leased lines. Manage VLANs, IP addresses, DNS, and domain environments. Responsible for network configuration management and firewall port administration. Implement lifecycle management for network devices, including procurement and replacement. Handle equipment installation, placement, cabling, labeling, power supply, stacking, and routine inspections. • 10% Network Version and Patch Management: Responsible for the installation, configuration, patching, and maintenance of network infrastructure supporting the headquarters and branch data centers. Coordinate planned network upgrades with HQ departments and third parties. Perform firmware updates for network and security devices to ensure they remain on the latest versions. • 5% Network Business and Financial Management: Liaise with network vendors and participate in budgeting, procurement, contracting, invoice review, and payment processes for network-related services, ensuring service quality, cost control, and compliance. Collaborate with the Information Security Office and Risk Management Department to oversee vendor management and monitor their adherence to service level agreements (SLAs). • 5% Collaboration and Support: Work closely with other technical teams to complete network-related tasks. Provide network support and guidance to other IT staff, promoting knowledge sharing and continuous improvement. • 5% Other Duties: Perform additional related responsibilities as assigned. Requirements • College graduate with specialization in Computer Science, Information Technology, Computer Engineering or a related discipline or equivalent experience or equivalent combination of education and experience. • 3 years of satisfactory, progressive experience in network administration in a business environment incorporating switch, router and firewall configuration, network monitoring, and experience utilizing network management tools to that are acceptable to the management of the Information technology Department. Knowledge of network topology, understanding of LANS, VPN, Wi-Fi, etc. is required. • Fluent in English and Chinese. SPECIFICATIONS: • Strong knowledge in network administration, cyber security, IT operation, inventory and patch management, incident response, and etc.; • Must be able to prioritize work and multitask in a fast-paced environment. • Require participation in periodic network devices updates outside of normal business hours and respond to network-related operation issues and incidents in a timely manner. • Communication regarding work matters with the headquarters is allowed outside of regular working hours. • Have strong written and oral communication skills in English and oral communication in Mandarin. Self-motivated and with strong responsibility. • Holding professional certifications of CCNA, CCNP or CISSP is a good plus.