Senior Frontend Engineer

{ “@context”: “http://schema.org”, “@type”: “JobPosting”, “title”: “Senior Frontend Engineer”, “description”: “## Senior Frontend EngineerApplyremote type: Hybridlocations: London: Portotime type: Full timeposted on: Posted 10 Days Agotime left to apply: End Date: May 19, 2026 (3 days left to apply)job requisition id: JR100800**Worker Type:**Employee**Application End Date:**19-05-2026We are using and creating technology to transform operations at sea to enable people and the planet to thrive.We are open-minded and fearless in our approach to innovation and don't believe in boundaries. We challenge everything and have massive ambitions to drag aging industries into the tech era.We take safety, equality and education very seriously, and our responsibilities don't stop at our front door. Our business is built on the belief that there's definitely a more environmentally responsible way to operate at sea.We employ people who share our core values. We expect our people to be courageous, trustworthy, and conscientious, driven by a desire to do the right thing. We strive for excellence, work collaboratively, and are genuinely excited by our work.We offer opportunities for our people to develop beyond their role and span a multitude of disciplines. These are open to all, regardless of background and experience level. Working with us means being part of a team that is harnessing technology and creativity to disrupt a traditional industry.We are not your average workplace.**Ocean Infinity is seeking a Senior Frontend Developer who understands the web development process from inception to deployment, stays current with industry trends, and embraces modern AI-assisted development workflows. The ideal candidate is passionate about crafting exceptional user interfaces and delivering polished, high-performance web experiences.****The role reports to a Web Team Lead and is a key player within the group, providing guidance and technical expertise to the web development team.****What Will You Do*** Develop responsive, accessible and high-performance user interfaces using React and Next.js (App Router)* Build and maintain reusable UI component libraries using Tailwind CSS and Shadcn/UI* Implement state management patterns and client-side data fetching strategies (React Server Components, tRPC, React Query)* Leverage AI-assisted development tools (Cursor AI, Claude AI or similar) to accelerate coding workflows, code reviews and problem-solving* Collaborate closely with backend engineers to integrate APIs and define data contracts* Ensure cross-browser compatibility, responsive design and adherence to web accessibility standards (WCAG)* Follow development and quality best practices, but be critical if you believe they can be improved* Implement the integration of different systems and current solutions and identify opportunities for improvements* Explain technical solutions to both engineering and non-technical stakeholders* Contribute to frontend architecture decisions, performance optimisation and bundle management* Take responsibility for making sound technical engineering decisions* Mentor junior team members by guiding them and providing constructive feedback**Who You Are (Required)*** Degree in Computer Science, Information Technology or related field* 5+ years’ experience with software development life cycles and release cycles* Proven experience creating UI components and single-page web applications using React* Strong proficiency with TypeScript in frontend development* Experience with Next.js and its rendering strategies (SSR, SSG, ISR, React Server Components)* Solid understanding of modern CSS, including Tailwind CSS utility-first methodology* Good understanding of REST API principles and experience consuming backend services* Experience working with complex data structures and client-side state management* Proficiency with Git and collaborative code versioning workflows* Hands-on experience with AI-powered development tools (Cursor AI, Claude AI, GitHub Copilot or similar)* Familiar with basic web application security concepts (XSS, CSRF, CSP, authentication flows)* Understanding of web performance optimisation techniques (Core Web Vitals, lazy loading, code splitting)* Ability to take ownership and engagement in the team’s work* Driven, proactive and able to work autonomously with little supervision* Excellent time management skills and ability to prioritize work in a fast-paced environment* Critical thinking and ability to show initiative**Desirable** * Fluency in English (spoken and written)* Experience with tRPC, Tailwind CSS* Experience with Shadcn/UI component library* Experience working with real-time data and WebSockets* Familiarity with backend technologies based in Node.js* Experience with ORMs such as Drizzle or Prisma* Experience with testing frameworks (Jest, Playwright, Vitest, React Testing Library)* Experience with CI/CD pipelines and deployment workflows* Knowledge of design systems and experience collaborating with UX/UI designers (Figma)**Our Tech Stack*** Framework: Next.js (via create-t3-app)* Language: TypeScript* API Layer: tRPC* Styling: Tailwind CSS + Shadcn/UI* Version Control: Git* AI Tooling: Cursor AI, Claude AI**Salary:**Porto – up to €65000UK – Based on experience**Salary**: The salary varies for this position as we are recruiting in multiple regional locations and job grades. The salary process is based on skills, abilities, and experience required. **What you can expect:**At Ocean Infinity, we believe in creating equal opportunities for all, celebrating each and everyone’s differences. We are driven by transforming the industry, through our technology, thoughts, behaviours and actions. Being inclusive and respectful to all is fundamental to who we are. It is the right thing to do and enables innovation and creativity to thrive.There is more work to be done, and we know that we aren’t perfect, but our commitment to these values is unwavering. They are central to our mission and the impact we have on the industry, meaning, we cannot live without them.#J-18808-Ljbffr”, “datePosted”: “2026-05-17”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Ocean Infinity Group”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__435483085__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }