AI Frontend Infrastructure

Job Description
About Us
HiBob helps modern, mid-size businesses transform the way they manage people, giving HR and managers all they need to connect, engage, develop, and retain top talent. Since 2015, we've achieved consecutive triple-digit year-over-year growth, all backed by our amazing team of Bobbers from across the globe, making us the choice HRIS of over 1500 midsize and multinational companies.
Our HR platform is intuitive, data-driven, and built for the way people work today: globally, remotely, and collaboratively. Fast-growing companies across the globe such as Monzo, Happy Socks, Gong, Fiverr, and VaynerMedia rely upon Bob to help them create the best work experiences for their people.
Come and be you with us
Being a Bobber is all about being you. We want you to bring all parts of yourself to work, giving you the freedom and confidence to be the best you and do your best work. If that's bubbly, shy, precise, funny, bold, kind, honest, brilliant, or anything in between, we're waiting with open arms. Come join us.
About the role
We are looking for a Senior Frontend Developer to join our AI Frontend Infrastructure team.As a senior engineer, you'll be responsible for shaping the technical direction of our frontend-AI infrastructure, ensuring it is scalable, reliable, and developer-friendly. You'll work closely with AI engineers, product teams, and design to create robust abstractions, shared libraries and solutions that allow AI features to be integrated seamlessly into our applications.
Job Requirements

• Proven experience (5+ years) as a frontend engineer, with at least 2 years in a senior or lead capacity.
• Strong expertise in modern frontend technologies: React.Angular (or similar), TypeScript/JavaScript, state management libraries, and build tools (Webpack, Vite, Nx, etc.).
• Deep understanding of frontend architecture and performance optimization, including rendering pipelines, caching, and client-server interactions.
• Experience building component libraries, design systems, or frontend infrastructure used by multiple product teams.
• Familiarity with AI/ML-driven interfaces (LLM-powered UIs, chat interfaces, real-time streaming, data-heavy dashboards, or similar).
• Strong collaboration and communication skills with cross-functional teams.
• Passion for developer experience, clean abstractions, and scalable design.

Nice to Have:

• Experience with AI/ML frontend integrations (e.g., working with OpenAI, Anthropic, Hugging Face APIs).
• Knowledge of observability and monitoring tools for frontend systems (e.g., Datadog, Sentry).
• Contributions to open-source frontend infrastructure projects.
• Experience with monorepos and multi-package setups (Nx, Lerna, Turborepo).

Job Responsibilities

• Build and maintain frontend infrastructure: Develop and evolve core frameworks, shared libraries, and design system integrations to support AI-driven features across products.
• Optimize for performance and scalability: Ensure frontend systems can handle high-frequency AI interactions (real-time rendering, streaming responses, data visualization, etc.) without compromising usability.
• Abstract complexity: Design developer-friendly APIs, components, and tooling that make it easy for product teams to consume AI services.
• Collaborate across teams: Partner with AI/ML engineers, infra teams, and product designers to integrate AI capabilities into user experiences.Drive best practices: Mentor engineers, improve coding standards, testing strategies, and CI/CD workflows for frontend development.
• Explore and experiment: Stay ahead of emerging frontend and AI technologies, evaluating frameworks, libraries, and approaches that could benefit the organization.

What You'll Get to Do

• Shape the foundation of how AI is experienced in our product.
• Work on challenging technical problems where performance, scalability, and usability matter.
• Influence the frontend architecture roadmap and contribute to company-wide engineering standards.
• Be part of a team that values experimentation, developer experience, and shipping impactful infrastructure.

Benefits
Join our village
HiBob is a village filled with amazing people and we're especially proud of that. It's a place where Bobbers can be themselves. We're about fun, dreams, hopes and ambition, just as much as we are about precision, growth, and top performance. Becoming a Bobber means you'll receive competitive compensation, benefits, and pre-IPO equity alongside all of this:

• Company share options plan
• We have a flexible hybrid working model
• Work from home allowance- to get your home office set up!
• Payment for sick leave from the first day
• 2 Social Impact days per year for volunteering
• Annual Headspace subscription and wellness benefits
• Awesome employee referral program- $2,500 for each successful referral with an additional ambassador programme
• 10 bis or cibus/wolt- you get to pick!
• Transportation allowance
• Dog-friendly
• Temporary remote work from anywhere in the world for up to 2 months (after 6 months of employment)
• Fun company and team social events (locally and virtually with our global teams)
• Bob balance days - 4 additional days within a calendar year - Enjoy a company-wide long weekend at the beginning of each quarter

If this sounds like something you've been looking for, we'd love to have you. Come on, join our village!