Senior Developer

Job not on LinkedIn

November 20

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Ruby Labs

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Health • Education • Entertainment

Ruby Labs is a company that creates cutting-edge consumer products designed to innovate across health, education, and entertainment sectors. With a commitment to enhancing lives and making a positive impact, Ruby Labs is at the forefront of technological progress. Their diverse portfolio reflects their dedication to innovation in vital sectors of society, specifically health and wellness, pharmaceuticals, education, and entertainment. Ruby Labs has a self-funded model that empowers them to pursue ambitious ideas independently. The company boasts over 100 million annual users and has a track record of sustained growth over 6 years, delivering products that are adopted by millions.

11 - 50 employees

Founded 2018

📚 Education

📋 Description

• Technical Leadership: Design system architecture, define the technology stack, and make key technical decisions for projects. • Team Management: Mentor, coach, and motivate developers through regular 1:1s, constructive code reviews, and career growth planning. • Full-Stack Development: Take an active, hands-on role in developing complex features and modules using Next.js for the frontend and Node.js for the backend. • Process Management: Implement and optimize Agile methodologies (Scrum/Kanban), including sprint planning, task estimation, and delivery oversight. • Quality Assurance: Enforce best practices in coding, testing, caching, and performance monitoring to ensure robust and scalable applications. • Security: Design and implement comprehensive security measures at the application, infrastructure, and data levels. • Analytics & Optimization: Collaborate closely with the product team to integrate analytics systems and conduct A/B tests to enhance user experience. • Innovation: Research and integrate emerging technologies, particularly AI-driven solutions, to improve products and streamline development workflows.

🎯 Requirements

• At least 2 years of active, commercial experience with Next.js (v14.x/v15.x), including work on at least two recent projects where Next.js was the primary frontend framework. • Deep knowledge and 3+ years of hands-on experience with modern backend frameworks such as NestJS, Fastify, or Hono, with a clear understanding of their architectural trade-offs. • Strong proficiency with PostgreSQL and/or Supabase, including query optimization and schema design. • In-depth, practical knowledge of Prisma or Drizzle ORM, including experience building complex queries and managing migrations. • A solid understanding of caching strategies (e.g., in-memory, distributed cache, CDN) and experience applying them effectively to optimize performance (e.g., using Redis). • Full proficiency with Docker for creating, managing, and deploying containerized applications; experience with docker-compose is essential. • Practical experience integrating AI services (e.g., OpenAI API, LangChain) on both client and server sides, with a solid understanding of fundamental AI workflows. • Experience working with background workers and message queues (e.g., BullMQ, RabbitMQ) for handling asynchronous tasks. • Proven experience building secure systems, including protection against common vulnerabilities (OWASP Top 10), configuring Content Security Policy (CSP), CORS, securing APIs, and hardening hosting environments. • Experience working with analytics tools (e.g., Google Analytics, PostHog, Mixpanel) and platforms for A/B testing. • At least 2 years of experience in a Team Lead, Tech Lead, or similar leadership role with direct responsibility for a development team. • A genuine passion for teaching, sharing knowledge, and helping team members grow professionally. • Excellent communication skills, with the ability to articulate complex technical concepts clearly to both technical and non-technical stakeholders. • The ability to understand business objectives and translate them into technical solutions that deliver real user value. • A proactive, results-oriented approach and a willingness to take ownership of both the team’s and the product’s success.

🏖️ Benefits

• Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere.