Full-Stack Tech Lead (W2 Contract)

About us:Working at Tech Holding isn't just a job, it's an opportunity to be a part of something bigger. We are a full-service consulting firm that was founded on the premise of delivering predictable outcomes and high-quality solutions to our clients. Our founders and team members have industry experience and have held senior positions in a wide variety of companies – from emerging startups to large Fortune 50 firms – and we have taken our combined experiences and developed a unique approach that is supported by the principles of deep expertise, integrity, transparency, and dependability.The Role:We are looking for a skilled Lead Full-Stack Engineer (Tech Lead) to join our team for a project-based assignment supporting one of our clients. This role is both hands-on and leadership-oriented, requiring the ability to lead technical conversations, contribute to architectural decisions, and guide engineering efforts across the full stack. The ideal candidate will own end-to-end feature delivery, actively contribute to development, and play a key role in shaping technical direction by evaluating existing systems and driving architectural decisions that support future scalability. You will work closely with client stakeholders, product, and engineering teams, participating in ongoing discussions, providing technical insight, and ensuring alignment between business needs and technical execution.Key Responsibilities:Own end-to-end feature delivery across the full stack (React, Node.js, database layer)Lead technical discussions with stakeholders and contribute to client-facing conversations around system design and implementationDesign and drive architectural decisions including API design, data modeling, service boundaries, and caching strategiesEvaluate existing systems and contribute to defining scalable, forward-looking solutionsSet and maintain a high bar for code quality through reviews, tooling, and best practicesProfile performance and debug issues across the stack, from browser to backend systemsDesign and maintain scalable search infrastructure, with a focus on AlgoliaProvide guidance to engineers and support coordination of development efforts across the teamParticipate in incident response, post-mortems, and long-term reliability improvementsCollaborate cross-functionally with product, design, and leadership teams to deliver high-impact featuresRequirements:7+ years of experience in full-stack software engineeringProven ability to contribute to architectural decisions and system design in complex environmentsHands-on experience leveraging AI tools (e.g., LLM-based assistants) to improve development workflows, including code generation, debugging, testing, and overall engineering efficiencyStrong expertise in JavaScript and TypeScriptAdvanced experience with React (hooks, modern patterns, performance optimization)Strong backend development experience with Node.jsExperience designing REST and/or GraphQL APIsStrong knowledge of relational databases (PostgreSQL preferred), including query optimization and indexingExperience with caching systems such as RedisFamiliarity with authentication patterns (JWT, OAuth, session management)Experience with CI/CD pipelines and modern cloud environments (AWS, GCP, or Azure)Strong understanding of observability, logging, and system reliabilityExcellent communication skills with the ability to participate in technical discussions with both engineering teams and stakeholdersNice to have:Strong hands-on experience with Algolia (highly preferred)Experience with Next.js, React Server Components, or micro-frontend architecturesExperience with message queues (Kafka, RabbitMQ, SQS)Familiarity with serverless or edge runtimesExperience with Docker and containerized environmentsExposure to Kubernetes or infrastructure-as-code tools (Terraform, Pulumi)Experience with domain-driven design or clean architecture principlesExperience mentoring engineers or contributing to open-source projectsLocation: Beverly Hills, CA (On-site 3 days per week)Employment type:W2 ContractApplicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this timeTech Holding is proud to be an Equal Opportunity Employer and is committed to fostering a diverse and inclusive workplace. We welcome applicants from all backgrounds and experiences, and we consider qualified applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, disability, veteran status, or any other legally protected characteristic. If you require accommodation in the application process, please contact our HR