Freelance Software Developer (Rust) - Quality Assurance (AI Trainer)

Headquartered in the United States, TP-Link Systems Inc. is a global provider of reliable networking devices and smart home products, consistently ranked as the world’s top provider of Wi-Fi devices. The company is committed to delivering innovative products that enhance people’s lives through faster, more reliable connectivity. With a commitment to excellence, TP-Link serves customers in over 170 countries and continues to grow its global footprint. We believe technology changes the world for the better! At TP-Link Systems Inc, we are committed to crafting dependable, high-performance products to connect users worldwide with the wonders of technology.  Embracing professionalism, innovation, excellence, and simplicity, we aim to assist our clients in achieving remarkable global performance and enable consumers to enjoy a seamless, effortless lifestyle.  Overview: Do you thrive in building robust, scalable backend systems for the cloud? Are you passionate about designing and implementing high-performance, secure applications? If so, then this Cloud Software Engineer, Backend role might be perfect for you! In this role, you will be an important member of our engineering team, responsible for the design, development, and maintenance of our backend cloud applications. You'll collaborate with our Cloud Architects, UX/UI designers, QA teams, and key hardware personnel and you will leverage your expertise in cloud technologies and backend development to build secure, reliable, and performant systems that meet our business needs. Key Responsibilities: Research competitors, design, develop, and maintain highly scalable and reliable backend services using cloud-native technologies. Collaborate with frontend engineers and other teams to ensure seamless integration. Select and utilize appropriate cloud technologies (e.g., AWS, Azure, OCI) to build and deploy applications. Optimize backend systems for performance, scalability, and cost-efficiency. Implement robust security measures to ensure data protection and application integrity. Develop various software (e.g., Windows/Linux/Hardware Box) with the same code which is in DDD architecture. Write clean, maintainable, and well-documented code. Automate infrastructure provisioning and deployment using tools like CI/CD pipelines. Troubleshoot and debug complex backend issues. Participate in code reviews & design reviews that are related to the modules that you are responsible for. Stay up to date on the latest cloud technologies and best practices. Requirements Bachelor's degree in Computer Science, Software Engineering, or a related field. 2+ years of experience in cloud backend software development. Proven experience designing and building scalable, reliable, and secure cloud-based applications. Strong proficiency in backend programming language Java and frameworks like SpringBoot, Service Mesh. Strong proficiency in JVM, multithreading programming, performance optimization skills. Experience with a specific cloud platform (AWS, Azure, OCI). Experience with cloud-based databases (e.g., NoSQL databases such as MongoDB, relational databases). Experience with distributed middleware (e.g. Message queue, config center). Experience with containerization technologies (e.g., Docker, Kubernetes). In-depth knowledge of backend technologies (e.g., APIs, message queues). Experience with security best practices for cloud environments. Excellent communication, collaboration, and problem-solving skills. Ability to work effectively in a team environment. Preferred Qualifications: Experience with DevOps principles and practices. Experience with serverless architectures. Experience with SDN Software Controller Platform. Experience with AI Ops. Benefits Salary range: $120,000 - $180,000 Free snacks and drinks, and provided lunch on Fridays Fully paid medical, dental, and vision insurance (partial coverage for dependents) Contributions to 401k funds Bi-annual reviews, and annual pay increases Health and wellness benefits, including free gym membership Quarterly team-building events At TP-Link Systems Inc., we are continually searching for ambitious individuals who are passionate about their work. We believe that diversity fuels innovation, collaboration, and drives our entrepreneurial spirit. As a global company, we highly value diverse perspectives and are committed to cultivating an environment where all voices are heard, respected, and valued. We are dedicated to providing equal employment opportunities to all employees and applicants, and we prohibit discrimination and harassment of any kind based on race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Beyond compliance, we strive to create a supportive and growth-oriented workplace for everyone. If you share our passion and connection to this mission, we welcome you to apply and join us in building a vibrant and inclusive team at TP-Link Systems Inc. Please, no third-party agency inquiries, and we are unable to offer visa sponsorships at this time.

Presidio is seeking a Server Engineer for a customer in Center City Philadelphia. The preferred candidate would be local to the Greater Philadelphia area and able to travel into the office 3 days a week. This individual will be a member of IT Help Desk Team and ensure systems are operational, configured appropriately and performing correctly. Responsibilities: Server operations: Measure the power and performance of various server platforms including both internal and competitive systems. Responsible for server assembly, operation, SW installation and debug/repair of hardware. Setup, configure, run maintenance, and lifecycle of Storage and Data Backup solutions. Patch management testing and coordination including development and testing security patch packages. Participate in technical on-call rotation. Installation and maintenance: Install parts (e.g. processors, memory, storage, NICs, etc.) for both rack and bench systems. Perform routine data collection and maintain systems, racks, power, network, and remote access. Serve as a key enabler for offsite resources by resetting systems, swapping out parts, and providing overall scheduling for server usage. Maintain lab server and network infrastructure and conduct automated tests on Clients Software/Hardware components. Configure Windows, setup PC from scratch, and troubleshoot hardware and software. Load drivers in Windows. Assist in maintaining IP Addressing database. Assist in maintenance and auditing of all monitoring systems. Firm Building:  Active engagement in department-specific and firm-wide initiatives in order to expand capabilities, create solutions to unmet business needs, improve user experience, or develop more efficient processes. Ability and willingness to contribute to the advancement of team, office and business capabilities. Other duties as required by the position. Required Qualifications: High School Diploma or equivalent experience required. 3+ years of experience working as a Server Technician, Network Administrator or Windows Server Administrator required. 3+ years' experience in Windows, MS-Exchange, MS Office 365, basic networking and overall end-user support required. Excellent customer service skills including the ability to work with all levels of employee. Must possess a sense of urgency and work well under pressure. Ability to work independently, remotely or as a team. Ability to participate in on call rotation that may include evenings and weekends. Duration: 3-month contract through Presidio, potential conversion to FTE CLICK HERE TO APPLY!!

- 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.)

Proficient in Mozaik computer software and CNC operator for manufacturing company. This is a specific job and only those who know this program should apply. Must be proficient in the English language and have transportation. Free Wednesday lunch.

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

Company Overview Corporate eWaste Solutions a certified electronics recycler and IT Asset Disposition (ITAD) Company with a Social Impact Focus. CEWS maintains industry certifications and safety standards to ensure all electronics are managed properly and in an environmentally conscious manner. (R2v3, ISO 9001:2015, ISO 14001:2015, and OHSAS 18001:200) We are looking to hire a passionate PC and Apple Desktop Laptop ITAD Technician to take our IT Asset Disposition (ITAD) services business line to the next level. If you are self-driven, talented, hungry, and passionate to help the environment then give us a call. Responsibilities: • Sort, process, consolidate, triage, organize, route, palletize, and package both incoming and outgoing asset materials • Quickly diagnose, identify issues, and capture computer hardware or relevant devices information • Follow strict data sanitization and destruction procedures when processing data-bearing assets • Label, log, and document on all assets moving in and out in the area • Inventory products at designated area, organize, and maintain shelf life • Meet or exceed monthly goals and understand the nuanced requirements, deadlines and due dates between each order’s requirement • Ensure a safe and secure working environment • Manage and organize workstation, equipment, staging area and parts area • Research on product value • Handle goods and equipment properly to avoid damage or breakage • Maintain clean and safe housekeeping in and around warehouse • Assist in job training to new staff, participants, volunteers, and clients • Other duties as assigned Qualifications: • AS degree or 2 years of related jobs experiences working in a warehouse environment • Familiarity with a wide variety computer hardware components and operating systems • Understand the up-to-date computer hardware components verse older generations • Push or pull heavy objects into position using pallet jacks or other moving carts • Must be able to lift 50 lbs. on a regular basis • Ability to stand for long periods of time • Ability to prioritize in a constantly changing workload • Strong written and verbal communication skills • Server and Networking equipment experience a plus • Microsoft, A+, N+ certifications a plus This position reports to ITAD Supervisor Email: jobs@cews.com your resume and ensure to include [HAYWARD] in your email title