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

Job Title : Java Developer Location : Walnut Creek, CA Type : 6 + Months Rate : $Open (Best Possible) Job Responsibilities :– Drive the design, development and implementation of the core of our Java / J2EE technology platform and web services. Debug issues across multiple layers of the application stack. Drive code quality through unit testing and advocate test-driven development methodologies. Refactor and improve code quality, maintainability and scalability. Evaluate the adoption of new tools and technology. Interface with clients to discover, troubleshoot and resolve integration issues. Lead projects and exert technical influence with team members, increase productivity and effectiveness by sharing domain knowledge and experience. Take ownership of all tasks assigned to you and tasks assigned to engineers working on your projects. REQUIREMENTS :- 6+ years of software development experience in Java/Java EE Extensive engineering experience and a proven track record in e-commerce, enterprise, high performance, large scale web technologies including cloud based APIs and protocols (REST, JSON). Thought leader, hands-on contributor, and decision maker known for solving difficult software engineering problems. Proficient in data structures, algorithms, design patterns and Object Oriented Programming. Experience with one of the major relational databases (MSSQL, Oracle, Postgres) Excellent Java and J2EE coding skills. Experience in payments or high transactional systems. Experience with Linux and other Unix-like operating systems. Excellent team player with good analytical, strategic planning and interpersonal and communication skills. Highly motivated, enthusiastic and self-starter Experience with Kafka, NoSQL database is a plus. Exposure to JBoss Fuse, Apache Camel or MuleSoft highly desired. Experience working with Amazon Web Services (AWS) tools Docker, ECS, S3 etc. Experience building CI/CD pipeline with maven/jenkins/code pipeline. Proficient with API design, Strong in Spring framework and understanding of Microservices. Exposure to API Gateway (Apigee) is a huge plus. BSCS or equivalent, MS preferred Note: If interested please send your updated resume and include your rate/salary requirement along with your contact details with a suitable time when we can reach you. If you know of anyone in your sphere of contacts, who would be a perfect match for this job then, we would appreciate if you can forward this posting to them with a copy to us. We look forward to hearing from you at the earliest!

Location: Onsite – 5 days per week (DOWNTOWN CHICAGO) We are seeking a motivated Desktop Support Specialist to join our IT team. In this role, you will be responsible for providing day-to-day technical support for employees, ensuring computer systems and conference room technologies run smoothly. You’ll primarily manage issues remotely from your desk but will also handle hands-on tasks such as equipment setup and troubleshooting. Key Responsibilities : Provide helpdesk support to employees, including troubleshooting and resolving hardware, software, and network issues. Set up, configure, and maintain physical computer equipment and peripherals. Perform device provisioning for new and existing users (experience preferred). Troubleshoot issues related to conference room systems, with a focus on Google Meet setups. Utilize remote management tools to resolve the majority of technical support requests. Execute basic tasks in Linux terminal for system checks and troubleshooting. Collaborate with the IT team to maintain smooth operations and escalate issues when necessary. Qualifications : Previous experience in a desktop support or helpdesk support role. Strong knowledge of computer hardware setup and troubleshooting. Experience with provisioning processes is preferred. Familiarity with Linux terminal commands and basic troubleshooting. Excellent problem-solving and communication skills. Ability to work independently and manage multiple support requests effectively. Comfortable working onsite five days per week.

We are seeking a highly skilled Payroll Technical Consultant with extensive experience in US Payroll. The ideal candidate will have a strong background in ABAP HR code development and a deep understanding of Core HR and Payroll modules. This role involves designing and developing custom HR-ABAP programs, working with PNP/PNPCE logical databases, and enhancing payroll processes. • Experience: 9-15 years in payroll technical consulting. • ABAP HR Development: Proficient in ABAP HR code development. • Custom Programs: Design and write HR-ABAP custom programs; modify standard programs as needed. • Database Programming: Experience with PNP/PNPCE logical databases and cluster programming for Core HR, payroll, and time management. • Core HR & Payroll Knowledge: In-depth knowledge of Core HR and Payroll modules, including schemas, functions, and operations. • HR Tables/Clusters: Familiarity with HR, Core HR, and Payroll tables/clusters; experience in developing reports/BDC in the HR module. • Payroll Processes: Strong experience in Core HR and payroll processes, including preparing payroll reports. • Reports & Interfaces: Design and develop reports, interfaces, info types, and enhancements. • Team Development: Guide and develop team members to enhance their technical capabilities and productivity. • Forms Experience: Hands-on experience with SMART forms and HR forms. • User Exits & BAPIs: Proficient in user exits, BADi, and BAPI. • OOPS Concept: Strong understanding of object-oriented programming concepts. • Technical Documentation: Experience in requirement gathering, designing technical documents, unit testing, and code review. • Qualifications: • Bachelor’s degree in computer science, Information Technology, or a related field. • Proven experience in payroll technical consulting with a focus on US Payroll. • Excellent problem-solving skills and attention to detail. Strong communication and interpersonal skills.

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.

- Design, build, test, and deploy highly scalable customer facing RESTful APIs that can handle traffic and mobile apps - Collaborate with Product and Engineering leadership to translate business vision into technical design, code and test suite - Partner with other engineers to produce high quality software - Gain a broad understanding of the system/domain and upstream/downstream dependencies - Stay current on technologies and application development best practices Requirements - You have 8+ years of experience as a back-end developer building and deploying RESTful APIs and integrations using Java/Groovy, SpringBoot, Spock, JUnit, Gradle/Maven, SQL/NoSQL databases, MQ, Kafka, GIT - You have a solid understanding of RESTful APIs - You are an expert in building cloud-native applications - You are passionate about developing and maintaining high quality software - You understand how web sites and mobile apps interact with backend APIs - 3+ years working in an agile team - Understanding of CI/CD, Jenkins, JMeter/Gatling, WireMock - Atlassian software development and collaboration tools (BitBucket, Jira etc.)

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.