Senior / Principal Frontend Developer

Senior / Principal Frontend Developer – Newcastle – up to £70K DOE

Are you ready to lead frontend innovation at a fast-scaling tech company that’s redefining how organisations connect and engage their people?

A high-growth SaaS company is hiring for a Senior / Principal Frontend Developer to join their team. This company are on an exciting growth journey to scale their impact and transform their platform. Their platform supports some of the UK’s most recognisable brands in creating more connected, people-focused workplaces.

This is a senior-level opportunity for someone who thrives on solving complex UI challenges, enjoys mentoring others, and wants to influence the direction of a product used by household names. You’ll lead frontend development efforts, architect scalable solutions, and ensure the platform delivers seamless, accessible experiences across devices.

• Key Responsibilities
• Architect and build dynamic, responsive interfaces using React and modern JavaScript frameworks
• Partner with design and product teams to bring intuitive, user-friendly features to life
• Set standards for performance, accessibility, and maintainability across the frontend codebase
• Guide technical decisions and contribute to long-term engineering strategy
• Support and mentor developers, fostering a collaborative and high-performing team culture
• Continuously improve development workflows and advocate for best practices

Skills

• A sound background in frontend development, with strong proficiency in React and TypeScript
• Expertise in HTML, CSS, JavaScript, and API integration
• Proven experience designing scalable component-based systems
• Familiarity with agile workflows, Git, CI/CD, and DevOps practices (Azure DevOps is a plus)
• A user-focused mindset with a keen eye for detail and performance

Salary for this role is up to £70K DOE

Benefits include:

• A meaningful role in a mission-led SaaS company with strong product-market fit
• Work with household brands and solve real-world enterprise challenges
• Flexible hybrid working options
• Private health insurance, life insurance, and Employee Assistance Programme (EAP)
• Gym contribution and travel allowance
• Enhanced parental leave and generous holiday policy
• Generous holiday policy (25 days + Bank Holidays + additional discretionary days)
• Regular team socials and a collaborative, positive culture

To apply please send your CV to Siobhan at