Freelance Software Developer (Python Engineer) - 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: Smart Home Technician/Programmer Company: BCG Concepts Location: Los Angeles, CA About Us: BCG Concepts specializes in high-end audio/video installations and smart home automation for residential and commercial clients throughout Los Angeles. We are dedicated to delivering customized, state-of-the-art solutions that enhance our clients' environments. Position Overview: We are seeking a skilled Smart Home Technician to join our team. In this role, you will be responsible for the installation, programming, and maintenance of integrated smart home systems, ensuring seamless operation tailored to client specifications. You will serve as the primary point of contact for clients during the final stages of installation, providing exceptional customer service and support. Skills in Lutron, Savant, Crestron Home, Unifi Systems, Access Control, Control4 required. Key Responsibilities: System Installation and Programming: Install, program, and customize Control4 home automation systems, universal remote controls, and Lutron lighting systems to meet client requirements. Quality Assurance: Conduct thorough inspections of installed systems, verifying proper installation of components such as speaker wiring and network cables. System Configuration: Set up and configure all system components, ensuring optimal performance and integration. Client Interaction: Act as the final interface with clients, providing comprehensive demonstrations and explanations of their new systems to ensure satisfaction and ease of use. Troubleshooting: Serve as the first and last line of defense for system issues, promptly addressing and resolving any technical challenges that arise. Qualifications: Experience: Minimum of 3 years of experience in smart home system installation and programming, particularly with Control4 and Lutron systems. Technical Skills: Proficiency in programming home automation systems; strong understanding of audio/video signal flow and networking. Customer Service: Demonstrated ability to interact professionally with clients in their homes or businesses, with a focus on delivering exceptional service. Problem-Solving: Strong analytical skills with the ability to troubleshoot and resolve technical issues efficiently. Attention to Detail: Meticulous approach to system setup and quality assurance, ensuring all components function seamlessly. Communication: Excellent verbal and written communication skills, capable of conveying technical information to non-technical clients. Physical Requirements: Ability to work in various environments, including attics and crawl spaces; must be able to lift up to 50 pounds and stand for extended periods. Licenses: Valid driver's license with a clean driving record. Benefits: Competitive salary commensurate with experience. Health, dental, and vision insurance. Paid time off and holidays. Opportunities for professional development and training. Collaborative and supportive work environment. Company-provided F-150 trucks for work-related travel. Work Environment: This is a full-time, on-site position requiring travel to client locations throughout Los Angeles.

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

Installing computer equipment at various locations throughout the state. Must have valid the Driver's license and reliable car. Also able to work on weekends and late nights.

Eagle Seven is seeking a Senior Software Developer focused on exchange connectivity and market data.  The individual will be responsible for analyzing exchange protocols, proposing design solutions, and implementing connectivity to trading venues across the world. The role be a part of the platform development team and will provide the individual with exposure to traders and strategy developers. The successful candidate will be a self-starter, have strong sense of ownership and be driven to provide technical and intellectual solutions to business problems.    Primary Responsibilities include: Architecting and implementing low-latency market access solutions Understanding, interpreting, and interfacing with global exchanges and their protocols Designing, developing, and supporting market data feed handlers and exchange order routers Diagnosing latency issues and resolving with appropriate tuning and optimizations Working with traders to source, evaluate and facilitate access to new data sources Working with extended team to capture, house, and provide historical access to market data Liaise with vendors on data and technical issues as needed to deliver rapid solutions to the business Requirements Skills and Experience: Bachelor’s degree in Computer Science or related field Proven track record of understanding and working with global exchange protocols Experience with writing parsers for exchange protocols such as FIX and ITCH, etc. Strong background in C++ and C++ Template metaprogramming with demonstrated experience using C++14/C++20 Expertise with TCP/IP, UDP multicast, sockets, network protocols, particularly on Linux/Unix systems Experience using network tools such as Wireshark and TCPDump to monitor and debug behavior Ability to work in a collaborative environment Excellent written and verbal communication skills Benefits Eagle Seven offers a competitive and comprehensive benefits package to all full-time employees. Medical PPO and HMO coverage through BlueCross BlueShield Company Contributions to a Health Savings Account (with enrollment into a High Deductible Health Plan) Dental coverage through Principal Vision coverage through VSP 401k Retirement Savings Plan with Employer Match Company Paid Life Insurance Company Paid Disability Insurance Paid Time Off Flexible Spending Account Pre-tax Transit Benefits Complimentary Lunch and Beverages The minimum base salary for this role starts at $150,000. This role is eligible for a discretionary performance bonus as part of the total compensation package, in addition to the benefits listed above. Exact compensation offered may vary based on factors including, but not limited to, the candidate's experience, qualifications, and skill set.

Unison Consulting, Inc. (Unison) is a leading aviation consulting firm with more than 36 years of experience advising clients around the world. Unison has provided aviation consulting services to over 150 airports throughout the United States, Canada, South America and the Caribbean, including 17 of the 25 busiest U.S. airports. Unison is a recognized industry leader and we seek self-motivated, driven individuals to help us bring innovative ideas to our clients. Interested individuals should have talents and experience commensurate with the position being pursued. Unison is seeking a software engineer who can wear every hat in the full development life cycle of Net applications. Our ideal candidate is a highly motivated individual who is looking to learn about the latest programming languages to create and extend applications that are flexible and scalable across a wide range of strategies. Primary duties will include UI development, database development, integration with 3rd party applications and middleware development. Required Experience • Minimum 3 years’ experience with the following technologies: • HTML, JavaScript, jQuery, AJAX, Bootstrap • Visual Studio • Writing SQL queries and stored procedures of moderate complexity on SQL Server or Oracle PLSQL • Knowledge of SOAP and RESTful web services • Self-motivated; experience working well both independently and collaboratively Desired but not required • Experience with PowerBI • Experience with Oracle Report Builder Job Type This is a permanent fulltime onsite position (hybrid work environment). No contract/ C2C or sponsorship is available for this position. Must be authorized to work in the US without expiration. Required Education • Bachelor degree preferred • Minimum High School with a minimum of 5 years work experience Other Requirements • Must pass an aptitude test Benefits • Competitive base salary and overall compensation package • Full benefits: Medical, Dental, Vision • Paid vacation, sick, and holidays • Life Insurance coverage • 401K with company match • Tuition reimbursement Schedule: • 8 hour shift Pay $83,000.00 $87,000.00 per year