Frontend Engineer

• Develop and maintain responsive web applications.
• Collaborate with designers and backend developers to create seamless user experiences.
• Optimize applications for maximum speed and scalability.
• Write clean, maintainable, and efficient code.
• Troubleshoot and debug issues.

Frontend Developer – Anticipated Hiring

• Develop full front-end implementation of assigned slot game(s)
• Implement game logic based on supplied mathematics and design documentation
• Build and manage game states, transitions, and feature flows
• Integrate UI, animations, and audio assets into gameplay
• Implement reel behavior, bonus features, and game mechanics
• Ensure responsive behavior across mobile and desktop devices
• Optimize performance (FPS, memory usage, loading times)
• Fix bugs and support QA throughout development and release cycle
• Collaborate closely with QA, designers, mathematicians, and backend teams
• Deliver stable production builds ready for release

Front-End Game Developer

• Lead the end-to-end CMS migration from HubSpot to Sanity + Next.js, including content modeling, schema architecture, content migration, URL preservation, redirects, and SEO continuity.
• Design and build a comprehensive library of reusable, design-approved components in collaboration with the Brand team, enabling the Marketing team to publish pages autonomously after migration.
• Integrate HubSpot CRM (forms, lead capture, tracking) and GA4 analytics into the new stack so Sales and Marketing keep everything they rely on today.
• Set up the Claude Code + Sanity MCP integration, configure access and permissions, and train the Marketing and Brand teams to operate the website through natural language commands to Claude.
• Implement technical SEO and AIO optimization through schema markup, structured data, Core Web Vitals improvements, and content structures optimized for AI-driven discovery.
• Manage the underlying website infrastructure including CI/CD pipelines, staging environments, hosting (Vercel or similar), and monitoring to ensure reliability and fast iteration cycles.
• Build interactive elements where needed (live stats dashboards, embedded tools, custom landing page experiences) that reflect OpenZeppelin's identity as a leading technology and security company.
• Document architecture, workflows, and team-facing processes thoroughly so OpenZeppelin is genuinely self-sufficient at the end of the engagement.
• Handle ongoing website requests (new pages, bug fixes, integrations) during the engagement period.

Senior Web Developer – Contractor

• Software development
• Integrate API contracts (OpenAPI, versioning, error model, idempotency).
• Define resilience for dependencies (timeouts, retries, fallback/degradation).
• Integration with Salesforce services.

Software Developer, React.js Specialist

• Architect scalable and maintainable front-end solutions using React, modern JavaScript, and TypeScript.
• Drive the adoption of efficient state management and modular build processes (e.g., Webpack, module federation).
• Design resilient, failure-tolerant systems that account for load, performance, and web security (CORS, CSP, OWASP).
• Ship complex, high-quality code to production in a timely manner to meet crucial business expectations.
• Optimize web pages for maximum speed and scalability by deeply tuning the event loop and rendering steps (style, layout, paint, composite).
• Validate code reliability by building out comprehensive testing infrastructure (Jest, React Testing Library, unit/integration testing).
• Mentor junior developers and elevate team standards through thorough, constructive code reviews.
• Partner with Product Managers, Designers, and Delivery Managers to align technical execution with overarching business goals.
• Unblock the team by debugging deeply rooted technical issues and creating Proof of Concepts (POCs) for new technologies.

Senior Frontend Developer

• Build and own the Replika web app and our web growth surfaces — marketing site, conversion flows, account and dashboard surfaces, and the supporting tools around them.
• Architect frontend systems that scale. State management, real-time updates, performance budgets, the works.
• Ship live, conversational features on the web. Companions that feel responsive, not laggy. Sub-second is the bar.
• Work directly with product, design, and backend engineering. No PMs translating tickets at you. You’re in the room.
• Wire up analytics and experimentation across web surfaces. We test, we learn, we iterate. Decisions come from data, not vibes.
• Set the bar for code quality, performance, and craft. New hires will model what you ship.

Senior Frontend Engineer

• Lead the development of robust and user-friendly web applications using HTML, CSS, and JavaScript.
• Implement responsive design principles to ensure optimal performance across various devices and screen sizes.
• Participate in the architectural design and planning of web applications.
• Collaborate with back-end developers and other stakeholders to integrate front-end components seamlessly.
• Suggest improvements to existing front end architecture designs.
• Utilize front-end frameworks and libraries to build scalable and maintainable applications.
• Stay updated on the latest trends and advancements in front-end development.
• Conduct thorough code reviews to ensure code quality, adherence to coding standards, and best practices.
• Implement and advocate for testing strategies to maintain the reliability of the codebase.
• Identify and resolve performance bottlenecks to ensure optimal page load times and responsiveness.
• Collaborate with UX/UI designers to implement visually appealing and user-friendly interfaces.
• Work closely with back-end developers to integrate front-end components with server-side logic.
• Provide technical leadership and mentorship to junior front-end developers.
• Share knowledge and best practices to foster a collaborative and learning-oriented team environment.
• Troubleshoot and debug issues, ensuring timely resolution of technical challenges.

• Posting content directly to client websites for each new podcast
• Supporting team and top-tier clients
• Collaborating remotely with the team
• Mentoring opportunity with John Corcoran

Web Developer

• Leading the development of major team-scoped projects, participate in cross-team initiatives for Remote's HR and Payroll products.
• Actively participating in product work in the team: providing feedback, suggesting solutions to the problems. Using technical insights and expertise to suggest product improvements.
• Maintaining good understanding of the team’s domain, both from product and engineering sides.
• Providing feedback on code reviews.
• Contributing to the shared codebase.
• Debug and solve technical and business issues.
• Participating in non-team activities, such as support rotations, hiring process, RFC discussions, etc.
• Mentoring and providing guidance to other engineers.
• Investigating, proposing and participating in implementation of improvements to our platform.
• Implementing interfaces with performance, accessibility, and API design in mind.
• Redesigning how engineering work ships with autonomous agents as the default execution layer.
• Proposing and operationalizing agentic workflows end-to-end (spec → plan → execute → verify) to deliver outcomes faster.
• Building reusable agentic workflows and primitives in the codebase so teams can apply them repeatedly across domains.
• Using verification loops (tests, checks, evals, guardrails) to ensure results are correct, secure, reliable, and scalable.

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Frontend Developer – Anticipated Hiring

Front-End Game Developer

Senior Web Developer – Contractor

Software Developer, React.js Specialist

Senior Frontend Developer

Senior Frontend Engineer

Senior Frontend Developer

Web Developer

Senior Frontend Engineer