Senior Web Application Developer (HTML / CSS / JavaScript / React / Node.js / Data Projects)

  • 6463
  • Dartford
  • Permanent
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At Laing O'Rourke, we're not just building structures — we're building the future. As we power forwards through our Mission 2025 goals, we're transforming into a data-driven, digitally empowered organisation. Want to be part of something genuinely groundbreaking?

About the Role

We're looking for a creative, curious, and forward-thinking Senior Web Application Developer to help us design and deliver cutting-edge digital experiences across our global operations.

What You'll Be Doing

  • Bringing web apps to life with sleek design, modern frameworks, and clean code.
  • Collaborating with visionary architects, data engineers, and product owners.
  • Turning raw data into powerful insights that drive real-world decisions.
  • Writing scalable, secure, and lightning-fast applications users love to use.
  • Staying ahead of the curve with the latest tools and technologies.

Your Toolkit

  • Ideally 5 years+ experience with the below technologies:
  • Pro-level skills in HTML, CSS, JavaScript, and frameworks like React, Angular, or Vue.
  • Backend savvy with Node.js, Python, Ruby, Java, or similar.
  • Hands-on experience with RESTful APIs, SQL/NoSQL databases, and Git.
  • Previous experience supporting Data Projects is essential
  • A knack for responsive design and mobile-first development.
  • A mindset that blends innovation, curiosity, and precision.

Bonus Points For:

  • Cloud wizardry (AWS, Azure, GCP)
  • Knowledge of AI tools (OpenAI, Document Intelligence)
  • Experience with CI/CD pipelines and modern DevOps practices
  • Security know-how (OWASP, data protection)
  • Agile team experience

About Us

We are an international engineering and construction company delivering state-of-the-art infrastructure and buildings projects for clients in the UK, Middle East and Australia.

Certainty, reliability, quality – this is what our clients want. And at Laing O'Rourke, we have more than 150 years of experience delivering it. Laing O'Rourke's story is one of energy, passion, ambition, people and teamwork. We harness the power of our experience, stretching back over a century and a half to deliver certainty for our clients.

We want to ensure our recruitment process is accessible to all. If you need the application form in an alternative format or you would like to know more about our recruitment process, please email resourcingteam@laingorourke.com

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