Freelance Software Developer (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!

Job Title: Senior System/Network Engineer Location: Novato, CA Job Type: Full-Time About Us: Marin IT, Inc. is a leading Managed Service Provider (MSP) dedicated to delivering exceptional IT support and services to a diverse range of clients. We specialize in providing comprehensive IT solutions, including system and network management, cybersecurity, cloud services, and more. Our team is passionate about technology and committed to delivering top-notch service and support. Position Overview: We are seeking an experienced and highly skilled Senior System/Network Engineer to join our dynamic team. The ideal candidate will have a strong background in managing and optimizing complex IT infrastructures, with a focus on delivering exceptional service to our clients. This role requires a deep understanding of networking, server administration, virtualization, and security. The Senior System/Network Engineer will work closely with our clients to design, implement, and maintain their IT environments, ensuring optimal performance and security. Key Responsibilities: • Design, deploy, and maintain complex network and system infrastructures for our clients. • Manage and support a variety of IT environments, including on-premises, cloud, and hybrid systems. • Troubleshoot and resolve advanced technical issues related to network and system performance, security, and connectivity. • Implement and manage security protocols and best practices to protect client data and systems. • Conduct regular system and network performance monitoring, analysis, and optimization. • Provide expert-level technical support and guidance to clients and internal teams. • Lead projects to upgrade and migrate systems, ensuring minimal disruption to client operations. • Develop and maintain comprehensive documentation of client environments, configurations, and procedures. • Stay up-to-date with emerging technologies and industry trends to provide innovative solutions to clients. • Mentor and support junior engineers, fostering a collaborative and knowledge-sharing environment. Qualifications: • Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent experience). • Minimum of 5 years of experience in system and network engineering, preferably in an MSP environment. • Proficiency in managing and troubleshooting Windows and Linux servers, network infrastructure (routers, switches, firewalls), and virtualization technologies (VMware, Hyper-V). • Strong understanding of TCP/IP, DNS, DHCP, VPNs, and other networking protocols and services. • Experience with cloud platforms such as AWS, Azure, or Google Cloud. • In-depth knowledge of cybersecurity best practices, including firewalls, antivirus, IDS/IPS, and data encryption. • Excellent problem-solving skills and the ability to work under pressure to meet deadlines. • Strong communication and interpersonal skills, with the ability to interact effectively with clients and team members. • Relevant certifications such as CCNA, CCNP, MCSA, MCSE, VCP, or equivalent are highly desirable. Benefits: • Competitive salary and performance-based bonuses. • Comprehensive health, dental, and vision insurance. • Retirement savings plan with company match. • Professional development opportunities and reimbursement for certifications. • A supportive and collaborative team environment.

- 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.)

SUMMARY Responsible for following both ChemStation food safety and food hygiene practices and rules, the Service Technician gains access to the customer’s facility to inspect, perform equipment installation and maintenance, and at times safely dispense cleaning agents and processing aids that were ordered while following agreed upon practices from the customer. PRIMARY DUTIES & RESPONSIBILITIES This list of duties and responsibilities is not all inclusive and may be expanded to include other duties and responsibilities as management may deem from time to time. *Food safety or quality responsibilities within job. All staff are responsible for reporting food safety and quality issues to those that can initiate action. • Inspects all customer installed lines and bulk containment units for any damage, tampering or potential safety issues • Calibrates Customer dispensing systems on a periodic basis • Ensures all Telemetry units are functioning properly • Ensures tank materials are correctly dispensed at time of service • Provides Customer with system and area improvements, when required • All staff are responsible for reporting food safety and quality issues to those that can initiate action. • Perform other duties as assigned. ** MECHANICAL APPTITUDE NEEDED

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

I have the location for a good Golf cart repairman. Part-time or partner in a new venture. I have tools and location.Need someone with experience.Let's talk call me at 732 684 1123