Software Engineer III (TypeScript/React/Node)

TL;DR

Software Engineer III (TypeScript/React/Node): Building responsive, accessible, and performant user interfaces for a data-driven product with an accent on UI component libraries, Web Vitals optimization, and backend integrations. Focus on solving complex rendering, performance, accessibility, and cross-browser compatibility issues, and ensuring high-quality user experiences across browsers and devices.

Location: Hybrid, based in London, UK, with flexible working hours and home/office allowance.

Company

hirify.global is a global leader in information and analytics, helping researchers and healthcare professionals advance science and improve health outcomes for the benefit of society.

What you will do

• Build responsive, accessible, and performant UI components using TypeScript and Next.js.
• Implement front-end features with performance and Web Vitals targets in mind.
• Contribute to shared component libraries and collaborate with backend engineers for API/Node.js integration.
• Monitor and optimize Core Web Vitals to improve user experience and ensure SEO readiness.
• Write unit, integration, and UI automation tests, and participate in code reviews.
• Assist in deploying, monitoring, and troubleshooting frontend applications hosted on AWS.

Requirements

• Good years of professional experience in Frontend or Full-Stack Software Engineering with a bachelor’s degree in computer science, Engineering, or equivalent practical experience.
• Strong hands-on experience with TypeScript, modern JavaScript (ES6+), React, Next.js, and Node.js.
• Proven ability to build responsive, mobile-first, and accessible user interfaces with a solid understanding of UI/UX best practices.
• In-depth knowledge of Next.js features (SSR, SSG, ISR) and a strong understanding of browser fundamentals, DOM behaviour, rendering lifecycles, hydration, and frontend performance optimization.
• Strong familiarity with web accessibility standards (WCAG, semantic HTML, ARIA roles) and Core Web Vitals (LCP, FID, CLS, INP, TTFB), with experience in performance monitoring and optimization techniques.
• Hands-on experience using Node.js for API routes, middleware, and backend integrations, along with familiarity with deploying and supporting cloud-hosted web applications using AWS services (CloudFront, S3, Lambda, API Gateway, Amplify).

Culture & Benefits

• Contribute to a culture of innovation, collaboration, and excellence.
• Promote a healthy work/life balance with flexible working hours.
• Offer a comprehensive Pension Plan and generous vacation entitlement with sabbatical options.
• Provide Maternity, Paternity, Adoption, and Family Care leave.
• Include a Personal Choice budget, internal communities, various employee discounts, and a Recruitment introduction reward.
• Access to a global Employee Assistance Program.