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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer I (JavaScript) - **Company:** Elsevier Inc. - **Location:** Greater London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Agile Methodology, Artificial Intelligence, Automation of Tests, Cascading Style Sheets (CSS), Software Quality, Code Review, Continuous Integration, Cursor (Graphical User Interface Elements), Integrated Development Environments, Node.Js, Pair Programming, Software Engineering, Web Applications, Test-Driven Development (TDD), GitHub Copilot, ReactJS, Backend, Restful APIs, Code Restructuring - **Published:** September 8, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840622624-senior-software-engineer-i-javascript ## About the Role * Strong knowledge of HTML, CSS, and JavaScript * Experience building modern web applications using React * Experience working with Node.js, Express, or related backend services * Experience working with RESTful APIs * Familiarity with agile development practices such as: Test-Driven Development Pair Programming Continuous Integration Automated testing and deployment * Strong collaboration and communication skills with a positive and constructive approach to teamwork AI-Assisted Development Experience * We are particularly interested in engineers who actively use AI tools as part of a software engineering workflow. Examples include: Experience using AI coding assistants such as GitHub Copilot, Claude Code, Cursor, Codex, or similar tools * Comfort working in an AI-augmented development environment * Ability to break work into well-scoped tasks that AI tools can assist with effectively * Curiosity about how AI can improve developer productivity, experimentation, and software quality * Enthusiasm for exploring and sharing effective ways of using AI in software engineering * Experience with these tools is valued, but curiosity and enthusiasm to learn are equally welcome. ## Description We are seeking a talented and self-motivated Frontend Software Engineer with strong skills in React and Node.js and a collaborative mindset. You will work as part of a cross-functional product development team building modern web applications used by millions of researchers worldwide. Our teams are actively adopting AI-assisted development practices, and we are looking for engineers who are enthusiastic about using AI tools as part of their day-to-day workflow. This includes using AI to accelerate implementation, support refactoring, generate tests, investigate issues, improve documentation, and assist with code review. You should be comfortable experimenting with AI to accelerate development while applying strong engineering judgement to ensure code quality, maintainability, and performance. We are not looking for engineers who rely uncritically on AI-generated output; we are looking for engineers who use these tools to improve the quality, speed, and effectiveness of software development., * Work as part of a highly collaborative, cross-functional, agile product development team to develop modern responsive web applications. * Implement intuitive, interactive, and visually appealing user interfaces using React. * Work closely with UX/UI designers to translate design concepts into functional web applications. * Ensure applications are optimized for performance, accessibility, and responsiveness across devices and browsers. * Use AI-assisted development tools to help design, implement, refactor, and debug software. * Critically evaluate, adapt, and validate AI-generated output to ensure it meets engineering and quality standards. * Help the team evolve effective AI-supported development workflows. * Write well-tested, documented, and peer-reviewed code. * Work closely with Product Managers and QA to ensure software meets user and business requirements. * Contribute to engineering best practices, including testing, CI/CD, code review, and continuous improvement. * Support the growth of the London engineering team through collaboration, knowledge sharing, and participation in recruitment. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [WeAreDevelopers LIVE – AI, Freelancing, Keeping Up with Tech and More](https://www.wearedevelopers.com/videos/1786-wearedevelopers-live-ai-freelancing-keeping-up-with-tech-and-more) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Developer Productivity Using AI Tools and Services - Ryan J Salva](https://www.wearedevelopers.com/videos/1339-developer-productivity-using-ai-tools-and-services-ryan-j-salva) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix)