Similarweb
Technology
SeniorFullStackEngineer(Frontend-Oriented,AI-FirstProductTeam)
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“Senior Full Stack Engineer (Frontend-Oriented, AI-First Product Team) at Similarweb. Skills: Full Stack Engineering, Frontend Development, Backend Development, AI-Powered Products. Build end-to-end product experiences. Develop modern web applications”
Industry & Context.
Problem-solving skills
What They're Looking For.
Must Have
5+ years software engineering experience, Experience building production-grade web applications, Expert-level React proficiency, Expert-level TypeScript proficiency, Expert-level HTML proficiency, Expert-level CSS proficiency, Experience developing backend services, Experience with Node.js, Experience with NestJS, Understanding of API design, Understanding of authentication patterns, Understanding of integration patterns, Experience designing scalable frontend architectures, Experience designing reusable component systems, Deep understanding of state management, Deep understanding of rendering, Deep understanding of caching, Deep understanding of performance optimization, Experience working with REST APIs, Experience with modern frontend data-fetching patterns, Understanding of web application performance, Understanding of accessibility, Understanding of responsive design, Experience with testing methodologies, Experience with monitoring, Experience with observability practices, Product mindset, User experience intuition, Excellent communication skills, Excellent collaboration skills, Excellent problem-solving skills, Hands-on experience using AI development tools, Ability to validate AI-generated code, Ability to debug AI-generated code, Ability to improve AI-generated code, Understanding of prompt engineering, Familiarity with AI-powered product patterns, Familiarity with AI-powered user experiences, Ability to work in fast-paced environments, Ability to work in iterative environments
Nice to Have
Experience building AI-native product experiences, Experience building AI-assisted product experiences, Experience integrating LLMs, Experience integrating agents, Experience integrating RAG systems, Experience integrating AI platforms, Experience in high-growth SaaS companies, Experience in product-driven companies, Familiarity with cloud infrastructure, Familiarity with modern DevOps practices, Experience with analytics frameworks, Experience with experimentation frameworks, Experience with product measurement frameworks
What You'll Do.
Build end-to-end product experiences
Develop modern web applications
Design scalable frontend architectures
Design reusable UI components
Design shared platform capabilities
Own complex features from concept to production
Design business logic
Implement business logic
Implement integrations
Optimize application performance
Optimize application reliability
Optimize application accessibility
Optimize developer experience
Collaborate with product teams
Collaborate with design teams
Collaborate with data teams
Collaborate with infrastructure teams
Contribute to testing strategies
Contribute to observability
Contribute to deployment pipelines
Contribute to platform improvements
Lead technical decisions
Drive engineering best practices
Drive maintainability
Design backend services
Build backend services
Maintain backend services
Define integration patterns
Participate in architectural decisions
Build scalable services
Build reliable services
Support AI-powered product experiences
Contribute to authentication
Contribute to authorization
Contribute to platform capabilities
Optimize system performance
Support production operations
Monitor production systems
Troubleshoot production systems
Resolve production incidents
Translate product requirements
Improve interaction quality
Balance speed and quality
Balance technical excellence and business impact
Advocate for accessible interfaces
Advocate for user-centric interfaces
Advocate for data-informed interfaces
Contribute product ideas
Contribute technical insights
Provide technical leadership
Drive architectural discussions
Improve application reliability
Promote accountability
Establish scalable engineering processes
Establish scalable engineering standards
Use AI coding tools effectively
Critically evaluate AI-generated code
Improve AI-generated code
Design efficient workflows for AI-assisted development
Integrate AI capabilities into product experiences
Understand limitations of LLM-based systems
Understand risks of LLM-based systems
Understand tradeoffs of LLM-based systems
Contribute to engineering productivity through AI tooling
Contribute to engineering productivity through AI automation
Collaborate with AI teams
Collaborate with data teams
Build AI-native product experiences
How You'll Work.
Team & Collaboration
Product teams; Design teams; Data teams; AI teams; Backend teams; Infrastructure teams; Cross-functional teams
Communication Scope
Communication skills
Process & Methodology
Agile
Full Job Description
At Similarweb, we are revolutionizing the way businesses interact with the digital world by revealing to them everything that happens online. Our unique data and solutions empower over 4,300 customers globally, including industry giants like Google, eBay, and Adidas, to make game-changing decisions that drive their digital strategies. In 2021, we went public on the New York Stock Exchange, and we continue to reach new heights! Come work alongside Similarwebbers across the globe who are bright, curious, practical and good people. Why is this role so important at Similarweb? We are looking for a Senior Full Stack Engineer with strong frontend and product orientation to build modern, scalable, AI-powered product experiences. This role combines deep expertise in client-side architecture and user experience with the ability to contribute across backend services, APIs, and platform infrastructure. You will work closely with product, design, backend, and data/AI teams to deliver end-to-end features while driving engineering excellence and leveraging AI throughout the development lifecycle. We are looking for engineers who are passionate about building great products, care deeply about user experience, and enjoy owning solutions from concept to production. So, what will you be doing all day? Full Stack Engineering Build end-to-end product experiences across frontend and backend systems Develop modern web applications using React, TypeScript, Vite, and NestJS Design scalable frontend architectures, reusable UI components, and shared platform capabilities Own complex features from concept to production across client and server layers Design and implement APIs, business logic, and integrations with internal and external services Optimize application performance, reliability, accessibility, and developer experience Collaborate closely with product, design, data, and infrastructure teams Contribute to testing strategies, observability, deployment pipelines, and platform improvem
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