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

About Us: Headquartered in the United States, TP-Link Systems Inc. is a leading global provider of networking devices and smart home products. Consistently ranked as the world's top provider of Wi-Fi devices, TP-Link is dedicated to delivering innovative solutions that improve people’s lives by offering faster, more reliable connectivity. Serving customers in over 170 countries, we are committed to expanding our global footprint. At TP-Link Systems Inc., we believe that technology has the power to transform the world for the better. Our mission is to design reliable, high-performance products that connect users worldwide to the limitless possibilities of technology. We are driven by our core values of professionalism, innovation, excellence, and simplicity. Our goal is to help clients achieve outstanding global performance and to provide consumers with a seamless, effortless technology experience. Overview: We are seeking a highly skilled and experienced Senior Embedded Software Engineer to design, develop, and optimize consumer networking products such as routers, access points, and switches. In this role, you will work closely with cross-functional teams to bring projects from concept to completion, participating in the research and development of various products, design and implement cutting-edge Wi-Fi and networking features. As a senior member of the team, you will lead feature architecture, troubleshoot complex issues, and provide mentorship to junior engineers, ensuring the delivery of high-performance, reliable products. Key Responsibilities: Collaborate with product management to conduct technical research and feasibility assessments that guide product design decisions. Design and develop embedded networking products, leading chipset bring-up, SDK integration, and application development across multiple hardware platforms. Conduct software architecture design and define system requirements to ensure efficient, scalable, and maintainable solutions. Partner with hardware teams to implement hardware-dependent functions and resolve integration challenges. Develop and optimize software features while analyzing and troubleshooting networking issues to ensure robust, high-performance connectivity. Create clear and comprehensive technical documentation, including design specifications, software architecture, and other necessary documents to support future development, maintainability, and effective collaboration. Lead design and code reviews to ensure high-quality standards, resolve issues, and incorporate team feedback. Manage the software development lifecycle, ensuring timely delivery and effective coordination with QA teams on testing and issue resolution. Oversee firmware releases and maintain detailed documentation, user manuals, and change logs for each update. Ensure product readiness for production by developing manufacturing tools, facilitating certifications, and providing on-site support as required. Investigate and address customer-reported issues, implementing firmware updates to enhance performance and resolve issues. Mentor junior engineers to enhance their coding, debugging, and software design skills, fostering team growth and capability. Conduct industry analysis to stay informed of trends and maintain a competitive edge in product offerings. Requirements Required Qualifications: Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent experience. 5+ years of experience in embedded systems design and development. Proficiency in programming languages such as C, C++, and assembly. Experience with embedded operating systems (e.g., Linux) and device drivers. Solid knowledge of communication protocols, such as TCP/IP, Ethernet, and Wi-Fi. Hands-on experience developing networking products, including access points, routers, and switches. Thorough knowledge of network protocols and standards, including HTTPS, DHCP, IPv4, and IPv6, with familiarity in Linux bridge and network stack internals. Experience with version control systems (e.g., Git) and continuous integration tools. Strong problem-solving and debugging skills. Excellent communication and leadership abilities. Preferred Qualifications: Strong understanding of professional software engineering practices and the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations. Experience as a mentor, tech lead, or in leading an engineering team. Experience developing products using Wi-Fi 6/7 chipsets. Experience working on requirements for Internet Service Providers (ISPs). Proficiency in the entire embedded networking stack, with strong technical expertise and problem-solving skills. Benefits Salary range: $140,000 - $200,000 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.

We are looking for an experienced computer programmer to develop a custom Kitchen Display System (KDS) and order fulfillment app for our multi-location bakery business. This is a project-based contract with the potential for additional work after completion. Project Scope: Build a custom KDS integrated with Square POS Display orders in real time with item-level completion tracking Develop a connected order fulfillment app to streamline production and delivery Deliver a polished, reliable, bug-tested solution with decent UX that is future-proofed for expansion and long-term maintenance Requirements: Proficiency in JavaScript, Node.js, API integrations Strong experience with Square API or similar POS API systems Solid database management and cloud hosting skills Ability to work independently, meet deadlines, and produce clean, scalable code UI/UX design skills a plus Compensation: Project-based — Estimated budget $8,000–$12,000, negotiable based on experience and scope. Payment by agreed milestones. Ownership & Partnership Opportunity: All code, designs, and related work will be the exclusive property of our company. However, we are open to discussing a future partnership if we decide to offer this product to other bakeries. This would be a shared business opportunity — but the programmer may not sell, license, or distribute the work independently. About Us: We operate multiple high-volume bakery locations in NYC. This system will be central to improving our order tracking and fulfillment efficiency. To apply, please reply with: A short introduction and relevant experience Examples of similar work or a portfolio link Your proposed timeline and development approach

ABOUT US: 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.  KEY RESPONSIBILITIES: Develop and implement microservices and processes using Java and Spring Boot framework for monitoring, analyzing, and forecasting cloud spending across AWS, OCI, Azure etc. Collaborate with product teams and development teams across the organization to understand cloud usage patterns and identify optimization opportunities; both technical and functional. Provide regular reports and insights on cloud spending trends, optimization efforts, and cost-saving achievements. Work closely with development teams to optimize application performance and reduce cloud costs without impacting service quality. Participate in the design and deployment of highly available and cost-optimized cloud infrastructure solutions on platforms like AWS, Azure, GCP, or OCI. Lead initiatives to educate teams on best practices for cloud cost management and efficiency. Drive a culture of cost-awareness and financial accountability within the tech department. Requirements REQUIRED QUALIFICATIONS Bachelor's degree or higher in Computer Science, Information Technology, or a related field. Minimum 1 years of experience as a developer with cloud engineering. Proven experience as a Java Developer and in-depth knowledge of Spring Boot framework. Experience with database design concepts and data modeling for RDBMS (MySQL) or NoSQL (MongoDB, Cassandra). Excellent communication and collaboration skills, with the ability to work effectively in a fast-paced environment. PREFERRED QUALIFICATIONS Hands-on experience with containerization technologies including Docker and Kubernetes. Proficiency in cloud platforms (e.g., AWS, Azure, GCP, OCI) with a strong focus on FinOps best practices and experience implementing cost-saving solutions. English-speaking environment, bilingual proficiency in Mandarin preferred. Benefits Salary Range: $100,000 - 140,000 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.

Desktop Support Technician level I/II (temporary) needed for approximately 1 – 2 weeks. The work is to begin on or around September 8, 2025 and would include visiting various sites for our client, in and near San Jose, CA. There would also be 1 office in San Leandro, CA area for a 1 day visit. Mileage will be reimbursed at the federal rate. We are seeking a Desktop Support Technician on a temporary basis (for approximately 1 – 2 weeks) to complete Windows 11 upgrades and perform reimaging on laptops and desktops. This would include setting up users and some end user training as needed as well as possibly replacing hard drives. The hours would primarily be Monday – Friday but occasional evening and/or weekend work might be required as well. The candidates selected must have pervious Desktop Support experience in a business environment including: upgrading desktops and laptops to Windows 11, reimaging and end user training. This is an onsite position, and the person selected MUST have reliable personal transportation, be punctual and dependable with excellent professional customer service skills. They must also have a clean state and federal background check. This temporary position (for approximately 1 – 2 weeks) would begin on or about September 8th and the hourly pay rate is $25 – $27 per hour. Candidates who meet the above criteria should attach a resume along with their current availability and desired hourly pay rate.

Description SAPSOL Technologies Inc is seeking SAP consultants specializing in FICO, SD, MM, HCM, Success Factors, BIBO, PS, PP, ABAP, Hana Cloud, and BASIS for the SPIL (SAPSOL Product Innovation Lab) project initiative. As a consulting firm focused on SAP, Cloud, and Big Data, we provide an excellent opportunity for candidates eager to engage with real-time environments and emerging technologies, ultimately preparing them for fruitful careers post-program completion. Requirements: Must have received training in their specific area of expertise. Preparing for certification exams relevant to their domain. Ability to communicate effectively within a team setting. Facilitate requirement gathering workshops and create functional design documents. Configuration and integration of designated modules in accordance with the project blueprint. Develop a testing strategy and document the outcomes of tests. Troubleshoot and resolve issues across multiple functional areas. Create a support model and oversee support ticket management. Provide assistance and address help desk inquiries. A self-motivated individual with a strong work ethic. We are actively seeking candidates who meet the following criteria: Trained and/or preparing for certification but lack the necessary experience. Have taken a hiatus from active project work. Have been on leave and are looking to re-enter the job market. New immigrants who do not have the required North American experience. Aspiring to establish a career as a seasoned SAP consultant. Please send your resumes to neelam@sapsol.com as soon as possible.

We are looking for an experienced computer programmer to develop a custom Kitchen Display System (KDS) and order fulfillment app for our multi-location bakery business. This is a project-based contract with the potential for additional work after completion. Project Scope: Build a custom KDS integrated with Square POS Display orders in real time with item-level completion tracking Develop a connected order fulfillment app to streamline production and delivery Deliver a polished, reliable, bug-tested solution with decent UX that is future-proofed for expansion and long-term maintenance Requirements: Proficiency in JavaScript, Node.js, API integrations Strong experience with Square API or similar POS API systems Solid database management and cloud hosting skills Ability to work independently, meet deadlines, and produce clean, scalable code UI/UX design skills a plus Compensation: Project-based — Estimated budget $8,000–$12,000, negotiable based on experience and scope. Payment by agreed milestones. Ownership & Partnership Opportunity: All code, designs, and related work will be the exclusive property of our company. However, we are open to discussing a future partnership if we decide to offer this product to other bakeries. This would be a shared business opportunity — but the programmer may not sell, license, or distribute the work independently. About Us: We operate multiple high-volume bakery locations in NYC. This system will be central to improving our order tracking and fulfillment efficiency. To apply, please reply with: A short introduction and relevant experience Examples of similar work or a portfolio link Your proposed timeline and development approach