77 Ui Engineer jobs in the United Kingdom

I’m working with one of our big Financials domain client based in the Central London, and they’re looking for a Princiapal Software UI Engineer to join the team.

This role requires a highly skilled hands-on professional who is passionate about technology and finance, you will lead the design, development, and implementation of trading applications while driving the technical direction of the team.

The ideal candidate:

• Expertise in UI using React/Typescript/JavaScript and OO design.
• Experience in HTML, React, Typescript, JavaScript.
• Experience in UI Libraries such as Material UI or Ant Design etc.
• Experience of Trading Business domain.

If this sounds like an interesting opportunity to you, feel free to apply for this position or drop me your CV at

At Oak Engage, we’re on an exciting growth journey - backed by a major investment from NorthEdge - to scale our impact and redefine the future of employee engagement. Trusted by some of the UK’s biggest brands, including Aldi, Five Guys, and ITV, we help organisations connect, engage, and empower their people through smarter, more personalised internal communication. 

With our next stage of expansion underway, we’re building a team of bold, ambitious thinkers ready to make their mark at a high-growth, purpose-driven SaaS company. If you’re looking to shape the future of work and grow alongside a company that’s going places, now’s the time to join Oak.

We’re looking for a Principal Front-End Engineer with strong React experience to lead the development of user-facing features across Oak’s platform. You’ll play a pivotal role in setting the technical direction for the front end of our platform, working closely with cross functional teams to deliver elegant, performant, and scalable user experiences.

As both a hands-on engineer and technical leader, you’ll be someone who owns front-end architecture decisions, mentors developers, and champions engineering excellence; helping us scale a modern, maintainable, and accessible front-end ecosystem.

• Define and evolve our front-end architecture and technical direction, ensuring it aligns with business and product goals
• Lead the development of high-quality, accessible and performant UI components using React, TypeScript, and other JavaScript frameworks
• Collaborate closely with designers, product managers, and backend engineers to shape seamless user experiences across our platform
• Lead by example and uphold standards for code quality, accessibility, testing, and performance across the front-end stack
• Mentor and support front-end engineers of varying experience levels, sharing knowledge, fostering growth and driving continuous improvement. 
• Influence and contribute to company-wide engineering culture, processes, and technical strategy
• Drive continuous improvement across tooling, workflows, and development practices
• Contribute to front-end architectural planning and long-term technical strategy as the front end subject matter expert.

Requirements

• 7+ years of experience in front-end development, including significant exposure to React and Typescript
• Strong communication and leadership skills, with a coaching mindset and a commitment to team development
• Deep understanding of modern HTML, CSS, and JavaScript, and experience integrating with RESTful and/or GraphQL APIs
• Experience designing and evolving scalable front-end systems in a SaaS or product-led environment
• Strong architectural thinking, cross functional collaboration skills and experience with scalable component-based systems
• Familiarity with agile methodologies, Git, CI/CD, and DevOps practices - exposure to Azure DevOps is a plus
• A user-focused mindset with attention to detail and performance
• A strategic thinker who can balance short-term delivery with long-term scalability and maintainability

Benefits

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

• Deep dive into architecture, problem-solving, and team contributions
• Assess communication and curiosity

• Realistic, time-bound task or live coding session
• Use structured rubric for fairness (avoid freeform “whiteboarding”)
• "Focus on team collaboration, code quality, and feedback" 

• Includes cross-functional devs, product manager or designer
• Assess long-term growth potential and alignment with tech principles
• Opportunity for candidate to ask strategic questions

At Oak, we’re committed to building a diverse and inclusive workplace where everyone feels welcome, supported, and able to thrive.

We believe that different perspectives make us stronger, and we actively encourage applications from people of all backgrounds, experiences, and identities — including, but not limited to, race, ethnicity, gender, age, disability, sexual orientation, and socio-economic status.

We are an equal opportunities employer. All hiring decisions are based on business needs, role requirements, and individual qualifications — without bias or discrimination.

If you require any adjustments to the interview process or the role itself to support accessibility, please let us know — we’re happy to help.

• Review our existing PHP + Vue architecture and decide what stays, what goes, and what moves to Node/Next
• Gradually introduce modular or microservice structures only when they add real value
• Work with the CTO on strategy while confidently making your own calls

• Build and maintain in PHP/Vue for current services
• Develop new features in Node/Next
• Refactor, review, and maintain clean, consistent code

• Mentor mid-level and senior developers, run 1:1s, and map their growth paths
• Organise workflows, code reviews, and DevOps processes
• Balance urgent tasks with strategic priorities, keeping delivery smooth

• Turn user pain points into smart, technical solutions
• Partner with product managers to prioritise high-impact features
• Release MVPs quickly, gather feedback, and iterate

• Improve CI/CD pipelines and Docker usage
• Implement automated testing and service monitoring
• Make deployments fast, reliable, and drama-free

• 3–5+ years as a team lead, tech lead, or principal engineer
• Hands-on Node.js & major frontend framework experience (React/Vue)
• Proven ability to work with existing PHP codebases (Laravel/legacy)
• CI/CD, basic Docker, automated testing know-how
• Track record of building and developing teams (5–10 people)
• Strong English communication skills (Upper-Intermediate+)

• Kubernetes, Terraform, or advanced DevOps skills
• Experience leading monolith → microservices transitions
• Past CTO/startup founder perspective
• Wider tech stack knowledge for creative problem solving

• Player-Coach Role – Half coding, half leading
• Impact From Day One – Every decision you make shapes the platform’s future
• Startup Agility – Move fast, avoid unnecessary bureaucracy
• Career Growth – Scale your leadership scope as the product scales

• Review our existing PHP + Vue architecture and decide what stays, what goes, and what moves to Node/Next
• Gradually introduce modular or microservice structures only when they add real value
• Work with the CTO on strategy while confidently making your own calls

• Build and maintain in PHP/Vue for current services
• Develop new features in Node/Next
• Refactor, review, and maintain clean, consistent code

• Mentor mid-level and senior developers, run 1:1s, and map their growth paths
• Organise workflows, code reviews, and DevOps processes
• Balance urgent tasks with strategic priorities, keeping delivery smooth

• Turn user pain points into smart, technical solutions
• Partner with product managers to prioritise high-impact features
• Release MVPs quickly, gather feedback, and iterate

• Improve CI/CD pipelines and Docker usage
• Implement automated testing and service monitoring
• Make deployments fast, reliable, and drama-free

• 3–5+ years as a team lead, tech lead, or principal engineer
• Hands-on Node.js & major frontend framework experience (React/Vue)
• Proven ability to work with existing PHP codebases (Laravel/legacy)
• CI/CD, basic Docker, automated testing know-how
• Track record of building and developing teams (5–10 people)
• Strong English communication skills (Upper-Intermediate+)

• Kubernetes, Terraform, or advanced DevOps skills
• Experience leading monolith → microservices transitions
• Past CTO/startup founder perspective
• Wider tech stack knowledge for creative problem solving

• Player-Coach Role – Half coding, half leading
• Impact From Day One – Every decision you make shapes the platform’s future
• Startup Agility – Move fast, avoid unnecessary bureaucracy
• Career Growth – Scale your leadership scope as the product scales

Location: Hybrid, Newcastle or Remote (UK Based)
Reports to: Engineering Manager
Type: Full-time

At Oak Engage, we’re on an exciting growth journey—backed by a major investment from NorthEdge to scale our impact and redefine the future of employee engagement. Trusted by some of the UK’s biggest brands, including Aldi, Five Guys, and ITV, we help organisations connect, engage, and empower their people through smarter, more personalised internal communication. With our next stage of expansion underway, we’re building a team of bold, ambitious thinkers ready to make their mark at a high-growth, purpose-driven SaaS company. If you’re looking to shape the future of work and grow alongside a company that’s going places, now’s the time to join Oak.

We’re looking for a Senior Front-End Engineer with strong React experience to lead the development of user-facing features across Oak’s platform. You’ll play a key role in translating complex requirements into elegant, performant, and accessible interfaces that delight users and scale with our business.

This role is ideal for someone who enjoys owning front-end architecture decisions, mentoring developers, and collaborating cross-functionally to deliver best-in-class UX.

• Lead the design and development of responsive front-end components using React and other Javascript frameworks
• Collaborate with product managers and designers to scope and implement complex UI/UX solutions
• Ensure adherence to accessibility, scalability, and performance best practices
• Contribute to front-end architectural planning and long-term technical strategy
• Mentor junior developers and contribute to a high-quality engineering culture
• Champion clean, maintainable code and drive continuous improvement

Requirements

• 5+ years in front-end development, including React and Javascript/Typescript
• Expertise in HTML, CSS, JavaScript, and integration with APIs
• Strong architectural thinking and experience with scalable component-based systems
• Familiarity with agile methodologies, Git, CI/CD, and DevOps practices - exposure  to Azure DevOps is a bonus
• A user-focused mindset with attention to detail and performance
  
  

Benefits

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

Hiring Manager Interview

• Deep dive into architecture, problem-solving, and team contributions
• Assess communication and curiosity

Technical Task or Live Pairing

• Realistic, time-bound task or live coding session
• Use structured rubric for fairness (avoid freeform “whiteboarding”)
• "Focus on team collaboration, code quality, and feedback" 

Peer Technical Panel/Culture Fit / CTO Chat - In person at our NCL HQ

• Includes cross-functional devs, product manager or designer
• Assess long-term growth potential and alignment with tech principles
• Opportunity for candidate to ask strategic questions

At Oak, we’re committed to building a diverse and inclusive workplace where everyone feels welcome, supported, and able to thrive.

We believe that different perspectives make us stronger, and we actively encourage applications from people of all backgrounds, experiences, and identities — including, but not limited to, race, ethnicity, gender, age, disability, sexual orientation, and socio-economic status.

We are an equal opportunities employer. All hiring decisions are based on business needs, role requirements, and individual qualifications — without bias or discrimination.

If you require any adjustments to the interview process or the role itself to support accessibility, please let us know — we’re happy to help.

Location: Hybrid, Newcastle or Remote (UK Based)
Reports to: Engineering Manager
Type: Full-time

At Oak Engage, we’re on an exciting growth journey—backed by a major investment from NorthEdge to scale our impact and redefine the future of employee engagement. Trusted by some of the UK’s biggest brands, including Aldi, Five Guys, and ITV, we help organisations connect, engage, and empower their people through smarter, more personalised internal communication. With our next stage of expansion underway, we’re building a team of bold, ambitious thinkers ready to make their mark at a high-growth, purpose-driven SaaS company. If you’re looking to shape the future of work and grow alongside a company that’s going places, now’s the time to join Oak.

We’re looking for a talented Front-End Engineer with experience in React to help build intuitive, high-performance interfaces that enhance the user experience across our platform. You’ll work closely with designers, product managers, and back-end developers to bring features to life in a scalable, accessible, and elegant way.

This role is ideal for someone who loves clean code, modern web frameworks, and crafting digital experiences that delight end users.

• Develop, test, and maintain front-end components using React and other Javascript frameworks
• Work with UX/UI designers to translate designs into responsive, accessible front-end solutions
• Collaborate with back-end engineers to integrate APIs and ensure smooth user journeys
• Optimise performance across browsers and devices
• Write clean, maintainable code and contribute to front-end architecture decisions
• Participate in code reviews and Agile ceremonies
  
  

Requirements

• Proven experience in front-end development, particularly with Javascript/Typescript and Advanced CSS
• Proficiency in modern libraries or frameworks such as React
• Experience integrating APIs and working with RESTful services
• A passion for building intuitive and elegant user interfaces and an attention to detail with a focus on delighting users

• Familiarity with Git, CI/CD, and agile development practices - exposure to Azure DevOps is a bonus.
  

Benefits

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

Hiring Manager Interview

• Deep dive into architecture, problem-solving, and team contributions
• Assess communication and curiosity

Technical Task or Live Pairing

• Realistic, time-bound task or live coding session
• Use structured rubric for fairness (avoid freeform “whiteboarding”)
• "Focus on team collaboration, code quality, and feedback" 

Peer Technical Panel/Culture Fit / CTO Chat - In person at our NCL HQ

• Includes cross-functional devs, product manager or designer
• Assess long-term growth potential and alignment with tech principles
• Opportunity for candidate to ask strategic questions

At Oak, we’re committed to building a diverse and inclusive workplace where everyone feels welcome, supported, and able to thrive.

We believe that different perspectives make us stronger, and we actively encourage applications from people of all backgrounds, experiences, and identities — including, but not limited to, race, ethnicity, gender, age, disability, sexual orientation, and socio-economic status.

We are an equal opportunities employer. All hiring decisions are based on business needs, role requirements, and individual qualifications — without bias or discrimination.

If you require any adjustments to the interview process or the role itself to support accessibility, please let us know — we’re happy to help.

I’m hiring for our long-term client – this time for a Technical Support Engineer or Application Support Engineer within the User Experience UX role with one of my favourite hiring managers – a strong, collaborative team and a high-performing environment.

• Contract: 12-month PAYE | Inside IR35 + strong possibility of conversion to FTE
• Salary: Up to £41,000 per annum
• Location: Staines, Surrey – Hybrid, 2 days onsite (40 minutes by train from London)
• Start: ASAP
• Hours: 40 hours/week | Weekly pay | Laptop provided

What’s the role?

You’ll support customers working on a cloud-based enterprise platform – helping troubleshoot UI-related issues, debug frontend behaviour, and create small scripts that streamline issue resolution. It’s hands-on, technical, and customer-facing.

You’ll collaborate with global engineering and support teams and have a direct impact on improving customer experience and internal support processes.

We’re looking for someone with:

• UI development or support experience
• Exposure to at least two of: ReactJS, GraphQL, AngularJS, AJAX, CSS, Mobile app development
• Ability to read/debug JavaScript and use browser developer tools
• Scripting with JavaScript, Python, Bash or Shell
• Understanding of MySQL or Oracle
• Strong communication skills and a solutions-driven mindset

Nice to have:

• Experience supporting cloud-based SaaS platforms - if you have ServiceNow experience, it is a huge plus.
• Familiarity with tools like Splunk, Eclipse, Android Studio

Why apply?

If you enjoy solving technical puzzles, working closely with customers and dev teams, and want to grow within a well-supported environment – this is a solid move.

Interested or want to know more? Drop me a note here or email