Role Description We are seeking an experienced Full Stack Principal Engineer to lead the design and development of scalable, high-performance applications. This senior role requires a hands-on technical leader who can architect solutions, mentor teams, and drive engineering excellence across our technology stack. Key Responsibilities - Technical Leadership: Architect and design complex full-stack applications and distributed systems - Hands-on Development: Write high-quality, maintainable code across frontend and backend technologies - System Architecture: Design scalable microservices architectures and data processing pipelines - Team Mentorship: Guide and mentor engineering teams on best practices, code reviews, and technical decisions - Cross-functional Collaboration: Work closely with product managers, designers, and stakeholders to deliver business objectives - Technical Strategy: Contribute to technology roadmap and architectural decisions - Performance Optimization: Identify and resolve performance bottlenecks across the full stack Qualifications - Backend Development - Backend API: Golang (Preferred) or Python: 5+ years of production experience building scalable backend services - Node.js: Experience building server-side applications and APIs with Node.js and Express/Fastify - Microservices Architecture: Design and implementation of distributed systems - API Development: RESTful APIs, GraphQL, and gRPC services - Elasticsearch: Experience with search indexing, query optimization, and cluster management - Data Processing: ETL pipelines, real-time data processing - Frontend Development - React: Advanced proficiency with modern React patterns, hooks, and ecosystem - JavaScript/TypeScript: Expert-level knowledge of modern JavaScript - UI/UX Implementation: Building responsive, accessible user interfaces - State Management: Redux, Context API, or similar state management solutions - Infrastructure - Cloud Platforms: AWS, GCP, or Azure - Containerization: Docker, Kubernetes - CI/CD: Build and deployment pipelines - Monitoring: Application performance monitoring and logging - Experience & Leadership - 10+ years of full-stack development experience - 3+ years in a senior or lead engineering role - Excellent problem-solving and analytical skills - Proven track record of architecting and delivering large-scale applications - Experience with high-traffic, distributed systems - Strong background in agile development methodologies - Strong communication and leadership abilities - Experience mentoring junior and mid-level engineers - Ability to work in a fast-paced, collaborative environment Nice to Have - Infrastructure as Code (Terraform, CloudFormation) - Networking protocols and concepts (TCP/IP, HTTP/2, WebSockets, load balancing) - Testing frameworks and methodologies - Security best practices and implementation Education - Bachelor's or Master's degree in Computer Science, Engineering, or equivalent experience Requirements - The annual base salary range for this full-time position is $240,931-$283,448 + benefits + 401(k) match + equity and is bonus eligible. - The pay range is determined by the role, work location, job-related skills, level, experience, and relevant education. - The range displayed is applicable only for new hires for the listed position located in the US. Benefits - US: We cover 100% of employee premiums and 88% of dependent(s) premiums for medical, dental and vision coverage, 401(k) match, short and long-term disability, life/AD&D insurance, $1,000/year education reimbursement, and a flexible vacation policy. - Outside the US: We offer a comprehensive benefits package which, (subject to regional variations) could include pension, private medical for you and dependents, generous holiday allowance, life assurance, long-term disability, annual wellbeing stipend.