About the role: Revalia is pioneering Human Data Trials — a new paradigm for accelerating translational medicine by linking donated human organs to cutting-edge research. Our platform provides biotech, pharma, and medtech innovators with unparalleled access to human biology at scale, reducing reliance on animal models and speeding the path to patients. We are seeking a highly skilled frontend engineer who doesn't just write code—but architects elegant solutions. You have immense hands-on experience with React and HTMX, and you understand when to use each for maximum impact. You're proficient with modern AI coding tools and use them strategically to enhance your productivity while maintaining high standards for code quality and security. You take pride in crafting performant, accessible user experiences and collaborating effectively with cross-functional teams. You're curious, adaptable, and excited about staying at the forefront of frontend innovation while maintaining strong fundamentals in core web technologies. As a Frontend Engineer, you will be responsible for architecting and implementing user-facing features of our web applications. You'll collaborate closely with product managers, designers, and backend engineers to deliver seamless user experiences that delight our customers. Your technical expertise in React and HTMX, combined with proficiency in AI coding tools, will enable you to write efficient, maintainable code at scale while staying at the forefront of frontend development practices. Location This position is fully remote with the expectation to travel quarterly to our office in New Haven, CT. We do not provide work visa sponsorship. This position is only open to candidates who are legally eligible to work in the United States without sponsorship. Culture Requirements - Role model the Revalia Bio’s Company Values of world class collaboration, cultivating deep trust, relentless adaptability, and to persevere with uncommon grit. - Display high levels of personal integrity and be able to express opinions or concerns directly and without triangulation, demonstrating honesty, openness, and a positive outlook at all times. - Seek to promote collaboration and be curious (and not judgmental) about opposing opinions. - Ability to adapt to changing business needs or to personal development opportunities. Able to fully embrace feedback and training to continuously improve performance and relationships. - Display determination and perseverance to problem solve, create, innovate, and develop. - Demonstrate commitment to own personal growth and development. Be “all -in” when participating in Company activities and programs related to personal and professional development and training. - Commitment to the growth and development of their team including participation in 360 reviews where requested. Soft Skill Requirements - Excellent communication and collaboration abilities, with a proven track record of working effectively in team environments - Strong problem-solving skills with the ability to break down complex requirements into manageable, testable solutions - Attention to detail and commitment to code quality and user experience excellence - Self-motivated with an intrinsic drive to learn and adapt to emerging technologies - Proactive in identifying and addressing technical debt and suggesting architectural improvements - Strong time management and ability to balance multiple priorities in a fast-paced environment - Professional work experience in DevOps, security, and cloud infrastructure – We use GitHub Actions, Docker, and AWS CDK extensively Technical Skill Requirements - Advanced proficiency in React.js, including hooks, context API, state management (Redux, Zustand, or similar), and modern React patterns - Strong expertise in HTMX, including dynamic content loading, form handling, and server-driven UI interactions - Mastery of core web technologies: HTML5, CSS3, and JavaScript (ES6+) - Proficiency with TypeScript for type-safe, maintainable code - Hands-on experience with AI coding tools and AI-assisted development workflows (mandatory) - Deep understanding of responsive design principles, cross-browser compatibility, and mobile-first development - Solid knowledge of version control systems, specifically Git, with collaborative workflows - Familiarity with build tools and bundlers (Webpack, Vite, or similar) - Experience with testing frameworks (Jest, Vitest, React Testing Library, or Cypress) - Knowledge of performance optimization techniques, including profiling, code splitting, and caching strategies - Understanding of accessibility standards (WCAG) and ability to implement accessible components Bonus Skills - Python proficiency for backend integration, data processing, or DevOps scripting - Experience with Next.js or other React meta-frameworks - Familiarity with CSS-in-JS solutions (Styled Components, Emotion, etc.) - Experience with GraphQL client libraries and schema-driven development - Knowledge of Web Components and micro-frontend architectures - Contribution to open-source projects related to frontend development - Experience with web performance monitoring tools (Lighthouse, WebPageTest, etc.) - Exposure to design systems and component library development - Background or exposure to medical systems/processes Responsibilities - Design and implement responsive, accessible user interfaces using React, ensuring optimal performance across devices and browsers - Build interactive components with React or HTMX for dynamic server-driven interactions and progressive enhancement - Integrate front-end components with RESTful APIs and backend services, ensuring seamless data flow and user interactions - Optimize application performance, including code splitting, lazy loading, and efficient state management to deliver fast-loading experiences - Write clean, scalable, and maintainable code following best practices, design patterns, and established coding standards - Collaborate effectively with cross-functional teams including designers, product managers, and backend engineers to refine requirements and deliver high-quality solutions - Conduct and participate in code reviews to ensure code quality, knowledge sharing, and adherence to team standards - Debug and troubleshoot front-end issues, utilizing browser developer tools and AI-assisted debugging techniques - Stay current with industry trends, emerging technologies, and best practices in frontend development - Use AI coding tools (e.g., Cursor, GitHub Copilot, ChatGPT) to enhance productivity, validate generated code, and accelerate development cycles Qualifications - 5+ years of professional experience in frontend development with a proven track record of shipping production-quality code Compensation, Benefits, and Diversity Commitment Our compensation structure includes a base and semi-annual bonus. Revalia Bio operates a growth culture focused on High Performance Teams and individual personal development. Along with monthly coaching, we provide extensive opportunities for professional development, training and mentoring. Revalia Bio provides comprehensive benefits including Health, Dental, Vision, Retirement, Disability, and a wellness program available on day one of employment. Full-time employees are eligible for up to 5 paid sick days and 23 PTO days per calendar year, excluding national holidays. Revalia Bio acknowledges and celebrates the diversity of our workforce, is dedicated to creating an equitable workplace, is committed to fostering an inclusive environment, and aims to create a workplace culture where every individual feels a sense of belonging. We are an equal opportunity employer and do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, gender, gender identity or expression, age, disability, or genetic makeup. For individuals with disabilities who would like to request accommodations, please email culture@revaliabio.com.

Role Description You're a creative technologist who loves bringing beautiful and accessible experiences to life through semantic markup, client-side JavaScript, and mastery of Shopify. You enjoy collaborating with project managers, strategists, and designers to translate ideas into functional ecommerce solutions. You're comfortable with back-end API integrations, work efficiently in ticketing systems, and want to build best-in-class frontend solutions. You like working with emerging disruptive brands and can clearly communicate solutions to clients. - Develop, customize, and maintain Shopify and Shopify Plus storefronts - Implement custom Liquid code to modify themes and build unique features - Integrate third-party APIs, apps, and backend services into the Shopify ecosystem - Translate Figma designs into responsive, accessible, and performant front-end experiences - Optimize site speed, data flow, and overall frontend performance - Troubleshoot and resolve technical issues across client stores - Collaborate with project managers and designers to deliver on creative and technical goals - Maintain clean version control practices using Git and document all technical changes Qualifications - 3+ years of experience with Shopify, preferably Shopify Plus - Proficiency in Liquid, HTML5, CSS3, Tailwind CSS, JavaScript (ES6+), and JSON - Strong understanding of Shopify APIs, metafields, and webhooks - Familiarity with custom app development and third-party integrations - Excellent communication, problem-solving, and attention to detail - Experience scoping complex development solutions, troubleshooting cross-browser/platform issues, and delivering accessible products - Experience working in collaborative environments using Git, Slack, and ClickUp or similar tools Requirements - Contractor - Hourly Rate: $20 per hour - Weekly Hours: Up to 15-40 hours per week, depending on project load - Start Date: April 1

• Desenvolver interfaces de usuário complexas e interativas utilizando NextJS, HTML e CSS • Garantir a responsividade e acessibilidade das aplicações para diferentes dispositivos e navegadores • Conectar o front-end com APIs RESTful para buscar e enviar dados, utilizando JavaScript/TypeScript • Garantir a correta manipulação e exibição dos dados na interface • Escrever testes unitários para garantir a qualidade e robustez do código front-end • Analisar e otimizar o desempenho das aplicações front-end para garantir uma experiência de usuário fluida • Desenvolver e manter portais web complexos, com grande fluxo de dados, que tenha responsividade e mantenha uma boa experiência de navegação do usuário

Role: Lead Frontend Engineer About interos.ai: Interos is the supply chain risk intelligence company – building the most trusted and transparent supply chains in the world. Our pioneering discovery and monitoring intelligence spans the lifecycle of supply chain risk, enabling faster and more informed threat mitigation. As the world’s first, and only, automated supplier intelligence platform, we continuously map and monitor extended supply chains at speed and scale to protect organizations from regulatory fines, unethical labor, cyber-attacks, and other systemic vulnerabilities. Interos serves a variety of commercial, government, and public sector customers around the world including a host of Global Fortune 500 companies and members of the Five Eyes nations. www.interos.ai  About the role:  As a lead frontend engineer, you will be responsible to architect our Application and ensure craftsmanship in everything we build. Candidates should have experience in highly scaled software engineering, modern and current frontend best practices, and be constantly interested in learning, sharing, and supporting others. You are also passionate about using Gen AI tools in everything we build. Successful candidates for this role will have a deep understanding of front-end web technologies including TypeScript, React, Node, Next.js, and modern micro-front end architectures. You will be passionate about up-leveling UX development capabilities within the company and you will have the passion and patience to guide teams and individual engineers through that work. You will also have an interest in leveraging AI to assist in both improving developer efficiency and in building out customer experiences based on AI. This position is an individual contributor role reporting to the Vice President of Engineering. What you will do:  - Write high-quality code that is easy to maintain and test - Build TypeScript and JavaScript client code using modern web frameworks and technologies (React + Redux) - Work with UX and Design to standardize and simplify UI development practices - Build modular/reusable UI components - Build and maintain front-end web application infrastructure - Participate in the entire development life cycle, from concept to release - Support strategic code sharing and architecture for one or more functional area - Ensure design and architecture is extensible across multiple projects, and participate in technical design and code reviews - Work cooperatively with product management and design to create features that are scalable and secure - Identify, propose, and implement process improvement to continuously increase the team's productivity and efficiency - Stay current with the latest software engineering best practices and share your findings with the team - Raise issues proactively that might impact delivery commitments - Research new features and technologies What you bring: - 8+ years of software development experience - 8+ years of web application development - Experience with modern web application technologies (TypeScript, ES6, React/Angular/VueJS, Sass/Less, Node, Next.js etc.) - BS or MS in Computer Science, a related field, or equivalent industry experience - Use of Gen AI tools to build Software Bonus points for:  - Experience building design systems and component libraries - 8+ years’ experience implementing responsive design. - 8+ years’ experience building SaaS web applications - 3+ years’ experience with web accessibility standards and practices - Experience aligning platform architecture with security and data - Experience with unit testing frameworks - Experience developing, promoting and building consensus across engineering teams - Understanding of web application design principles such as usability, performance, and security - Problem solving and troubleshooting skills - Excellent written and verbal communication skills What We Offer:  - Comprehensive health, dental & vision insurance  - 401(k) with employer match  - Flexible Time Off (FTO) + 10 paid holidays  - Wellness perks including onsite gym + Peloton room (HQ)  - Career growth opportunities in a fast-scaling company  - Employee referral bonuses and recognition programs  Compensation  - Base Salary Range: $180,000 - $200,000 USD (depending on experience and location)  - Variable Compensation: Performance-based annual bonus  - Equity: Stock options included as part of total compensation package  We believe in rewarding great work with competitive, transparent compensation. Final offer will be based on skills, experience, and geographic location.  Work Environment, Location and Travel:  This is a remote-first role open to candidates legally authorized to work in the United States. Employees may optionally work from our Arlington, VA HQ. This position may require up to minimal travel.     Equal Opportunity Employer  Interos.ai is proud to be an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees — regardless of race, religion, gender identity, sexual orientation, age, disability, or veteran status.  Accessibility & Accommodations  We are committed to providing reasonable accommodations for candidates throughout the hiring process. If you need assistance, please contact us at hr@interos.ai.