84 Front End Engineer jobs in the United Kingdom

Role: Senior Front-End Developer
Length: Initial 12-month engagement
Location: Hybrid - 3 days per week in Leeds or Newcastle
IR35 Status: Inside IR35
Pay Rate: 550 - 675 per day

One of my public sector clients are urgently looking for a Senior Front-End Developer to join their team on a hybrid basis with travel to site 3 days per week in Leeds or Newcastle, this will be on an initial 12-month engagement. They are interested in Front-End Developers with experience of working in an Agile environment amongst multi-disciplinary teams.

Key Requirements

• Significant demonstrable expertise in Front-end development of large-scale systems dealing with high numbers of users, transactions and business processes.
• Detailed working knowledge and extensive experience of open-source technologies including HTML, CSS, client and server-side JavaScript, TypeScript, Node.js and other front-end frameworks.
• Experience in building accessible compliant user interfaces (WCAG).
• Proven ability in delivering thorough unit level test coverage using common testing frameworks such as Jest or Mocha.
• Experience integrating with a wide range of technical systems including database technologies (SQL or NoSQL), caching tools such as Redis and API Microservices, all deploying into cloud-based infrastructure. (AWS or Azure).
• Influential and able to lead front-end activities, set and develop best practice for an agile team and contribute across multiple teams.

Are you interested in this position? If so, then please respond with your CV and I will be in touch ASAP.

Lawrence Harvey is acting as an Employment Business in regards to this position. Visit our website and follow us on Twitter for all live vacancies (lawharveyjobs)

Excellent opportunity for Senior Front-End Engineer looking to join a forward-thinking company producing award-winning software used by leading businesses across the globe.

The successful Senior Frond End Engineer will need to have extensive commercial experience using ReactJS and should be comfortable working to their own initiative but also happy to mentor and offer guidance to the more junior members of an already successful team.

This is predominantly a remote role, but our client requires engineers to be on-site in Abingdon at least 2 days per month.

As well as very competitive salaries, our client offers a comprehensive benefits package.

Requirements:

• Write well designed, maintainable, efficient code.
• Ensure the technical feasibility of UI/UX designs.
• Integrate software components into a fully functional system.
• Develop software verification plans and follow quality assurance procedures.
• Document and maintain software functionality.
• Mentor junior developers
• Follow a specific build and deployment process.

Skills required:

• Extensive ReactJS experience

• Be familiar with Agile development practices, including Continuous Integration and
• 5+ years' experience in enterprise level front-end web development:
• Solid understanding of semantic mark-up, including HTML5, CSS3 (comfortable with CSS animations and flexbox).
• Extensive ReactJS experience
• JavaScript, TypeScript
• Ability to mentor junior staff
• Code reviews and technical guidance.
• Degree level education in an engineering/software in beneficial
• Good understanding of asynchronous request handling, partial page updates.

If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on (phone number removed) or email (url removed)

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Senior Frontend Software Engineer

Leeds - 2x a week

Salary: Up to £65k DOE.

Fruition IT are working with a well-established private equity tech-first business who are embarking on a complete technical transformation. This client is looking to bring in a team of Software Engineers to work on a bespoke software platform as part of the business growth.

The Frontend Software Engineer will be responsible .

WHJS1_UKTJ

Validus is looking for a talented junior engineer to join our frontend development team. The frontend team is responsible for the design and development of our web applications implemented in React.

The frontend development team is part of the broader technology team working in collaboration with quants, backend and platform engineers. Our teams work together to grow our technology platform, Horizon. Horizon comprises multiple applications for trade execution, portfolio management and risk analysis for alternative asset managers in various domains, such as private equity, private debt and real estate.

Key Responsibilities:

• Assist in developing new features and fixing bugs for Validus applications, including the order management system and the risk management system.
• Collaborate with other engineers and teams to integrate features and learn how different parts of the stack work together.
• Participate in code reviews and learn from feedback from more experienced engineers to improve your technical skills.
• Contribute to UI/UX improvements across the Horizon platform to improve ease-of-use, and uphold consistency in our design principles.
• Participate in agile ceremonies, such as daily stand-ups, backlog refinement, estimation, and retrospectives.
• Learn about our technology stack and contribute ideas for improvements as you gain experience.
• Support development and maintenance of features that use real-time data communication (e.g. via WebSockets).
• Work within our Nx-based frontend monorepo to implement new functionality and maintain existing components.
• Utilise Zustand and TanStack Query for state and data management, and React Router for routing.
• Support development of data visualisation components (e.g. charts using HighCharts) to display real-time information.
• Use HandsOnTable to display large amounts of data, whilst improving performance to give the user an “excel” like feel within the browser.

Requirements

• TypeScript knowledge
• Understanding of React with some practical/commercial experience
• Exposure to state management libraries, such as Zustand or Redux.
• Exposure to testing frameworks like Vitest and Playwright.
• Basic understanding of APIs (REST or GraphQL) and how to use them in web applications.
• Familiarity with CSS and a willingness to learn styling techniques and best practices.
• Good communication skills working in a cross-discipline environment

Benefits

Validus Risk Management is an independent technology-enabled advisory firm specialising in the management of FX, interest rate and other market risks. We work with institutional investors, fund managers and portfolio companies to design and implement strategies to measure, manage and monitor financial market risk, using a market-tested combination of specialist consulting services, trade execution and innovative risk technology.

Working at Validus can offer an exciting opportunity for both personal development and professional growth. Share in our mission to become the largest and most respected specialist provider of financial market risk services in the world. Notable benefits include a competitive remuneration package (salary + bonus), pension contributions, regular social events, train ticket loans and financial support towards professional qualifications.

Validus is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

We’re Civica and we make software that helps deliver critical services for citizens all around the world. From local to state government, to education, to health and care, over 5,000 public bodies across the globe use our software to help provide critical services to over 100 million citizens.   

Our aspiration is to be a GovTech champion everywhere we work around the globe, supporting the needs of citizens and those that serve them every day. Building on 21 years of continuous growth and success, we're at a pivotal point on our journey to realise that aspiration.   

As a company, we’re passionate about what we do and the citizens we help to serve. If you too would like to help champion the use of technology in public services, to improve outcomes for citizens and public sector organisations, then Civica is the right place for you. We will help you unlock the best version of yourself, achieve growth in your career whilst making a real difference to people and communities. 

Civica builds products and technologies that empower the public sector to serve citizens around the world. Our solutions are widely used across Government, Housing, Transport, Education, and Healthcare sectors in the UK and abroad.

Why you will love this opportunity as Senior Front End Engineer at Civica 

We are seeking a highly skilled Senior Front End Software Engineer to join our dynamic, agile engineering team.  

The team develop and maintain a cloud-based clinical information management system, designed to automate and streamline document management processes within the healthcare sector. Ultimately, we are focussed on improving outcomes for patients. You will be responsible for the design, development, and implementation of the product, focussed on the front end of the solution. 

You will collaborate with cross-functional, multinational teams to deliver a high-quality product, with an eye on creating reusable components that could be used across other products where appropriate.  

What you will be doing:

• Hands on development of new functionality, building the frontend and integrating with APIs 

• Modification and modernisation of existing functionality 

• Apply best practice, to deliver high quality, secure and performant solutions. 

• Building reusable components, working with teams from across Civica  

• Work closely with product managers, UX/UI designers, and other stakeholders to gather requirements and propose great solutions. 

• Provide accurate estimates on work items 

• Identify and troubleshoot software issues, implementing effective solutions in a timely manner. 

• Create and maintain comprehensive documentation  

• Stay updated on emerging technologies and industry trends, advocating for improvements and new technologies that could benefit the team and projects. 

• Coaching and mentoring junior engineers  

Requirements

Essential skills:

• React (hooks), Zustand, Typescript, JavaScript 

• HTML / CSS  

• Proficient with Vitest, Playwright or similar frameworks 

• Strong analytical and problem-solving skills, with a knack for debugging complex issues. 

• Excellent verbal and written communication skills, with the ability to effectively collaborate across teams. 

• Experience working in Agile/Scrum environments, with a focus on iterative development. 
• Automated testing frameworks and methodologies  

Preferred skills:

• Experience with other JavaScript frameworks, especially Knockout JS 
• Tailwind 
• Micro frontends 
• .NET, C#, ASP.NET 
• Experienced with cloud technologies e.g. Azure, AWS 
• Knowledge of DevOps practices and tools (CI/CD, containerisation, etc.) 
• Good knowledge of accessibility concerns 
  

Benefits

Time Off & Work-Life Balance 

25 Days Annual Leave + bank holidays – plus the option to buy up to 10 extra days! 
Days of Difference – Up to 3 extra days off for volunteering. 
 

Financial Well-being & Security  

Pension Contributions – 5% employer match to support your future. 
Income Protection – Up to 75% salary cover for long-term illness. 
Life Assurance – 4x salary tax-free lump sum. 
Critical Illness Cover – £25,000 lump sum (extendable to dependents). 

Health & Perks 

Private Medical Insurance – Fast access to private healthcare. 
Health Cash Plan – Claim back physio, therapies & more. 
Dental Insurance – Cover for routine & emergency care. 
Affinity Groups – Join employee-led communities. 
Bounty Bonus – Refer a friend & get rewarded. 

At Civica, we are committed to building an inclusive and diverse workplace where everyone feels valued and supported. We believe that a variety of perspectives drives innovation and excellence, and we welcome applicants from all backgrounds, cultures, and experiences. 

We are an equal opportunity employer. We do not discriminate based on race, ethnicity, religion, gender, sexual orientation, disability, age, or any other legally protected characteristic. Our recruitment process is designed to ensure fairness and transparency, so every candidate has an equal chance to contribute to our mission. 

If you need any adjustments or accommodations to participate in our recruitment process, please let us know. We are here to support you. 

About Signal Ocean:

Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, enables shipping professionals to securely handle, integrate, and assess intricate collections of private and public shipping data. Driven by advanced machine learning and artificial intelligence, our technology suite provides tailored, exclusive insights that supports our clients in improving performance and efficiency. Insights are delivered over web and mobile applications, as well as through a rich set of APIs and SDKs. Our backend architecture is abstracted to modularly offer deep analytics capabilities our solutions leverage or can be directly embedded in our client’s system topologies.

About the role

As the Signal Ocean Platform continues to grow, we’re expanding our engineering team. We're looking for a Senior Front-End Engineer with experience in React, someone who is curious, proactive, and passionate about building high-quality digital solutions. Signal’s Software Engineers work closely with data science, design, product, and business analysis professionals to develop robust solutions for the highly entrepreneurial domain of shipping.

Technology Stack

We build cloud solutions using C#, .NET Core, Typescript, React, MSSQL Server, Azure, Python, MongoDB, Redis, Docker, Kubernetes, Service Fabric, Grafana and more. We also offer the opportunity to work on state-of-the-art architectures and technology stacks, as well as a global, Artificial Intelligence-powered technology product vision. We use Dual-track Agile to organize our teams and would love to onboard people who can contribute across product discovery, delivery, optimization, QA, DevOps, and Continuous Integration.

Requirements

• Master’s or Bachelor’s degree in Computer Science, a related technical field, or equivalent practical experience.
• 5+ years of front-end development experience building real-world web applications of medium-to-large scale and complexity.
• Demonstrable React, JS/TS, HTML, and CSS experience.
• Active interest in reading-up on the latest frameworks and libraries.
• Knowledge and active interest in Design Patterns and SOLID architecture principles.
• Familiarity with cloud computing, experience with tuning and configuration.
• Strong attention to interaction design and detail; passion for building intuitive web interfaces that present data in compelling ways.
• Ability to understand business needs quickly and create relevant UI prototypes and proofs-of-concept
• Experience with Agile/SCRUM.
• Experience building and consuming RESTful APIs
• Understanding of unit testing and experience writing tests
• Ability to work effectively with remote teams
• Positive, collaborative approach to work and a strong sense of ownership and accountability
• Excellent command of written and spoken English (company’s working language)
• Familiarity with C# and .NET Core is a plus.

Benefits

• Generous compensation with additional performance incentives.
• Coverage under the company’s collective health insurance plan.
• Opportunity to work alongside experienced professionals with deep knowledge in software engineering, data science & shipping business who are always eager to mentor.
• Signal’s hybrid work policy currently includes six on-site working days per month, during which our happy hour events take place. Starting January 2026, we’ll transition to a hybrid setup with nine on-site days per month.
• 2-4 weeks of onboarding training to prepare you for your new role, having the opportunity to meet about 30 trainers while diving deep into our products and/or the shipping world.
• Career growth opportunities and a structured development discussion every 4 months.
• Personal learning budget for training, seminars, conferences (750 to 2000 EUR annually depending on seniority).
• Regular team bonding events and activities.
• Fitness benefits to support your health and wellbeing 

All applications will be considered under the terms and conditions of confidentiality in accordance with the regulations of personal data protection.

We are an Equal Opportunity Employer committed to diversity and inclusion in the workplace. At Signal, we believe that diversity of opinions, approaches and viewpoints is key to our innovation and success and we encourage that with our hiring, development and rewards practices. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristics by law and take actions to eliminate those from our workplace.

About Signal Ocean:

Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, enables shipping professionals to securely handle, integrate, and assess intricate collections of private and public shipping data. Driven by advanced machine learning and artificial intelligence, our technology suite provides tailored, exclusive insights that supports our clients in improving performance and efficiency. Insights are delivered over web and mobile applications, as well as through a rich set of APIs and SDKs. Our backend architecture is abstracted to modularly offer deep analytics capabilities our solutions leverage or can be directly embedded in our client’s system topologies.

About the role

As the Signal Ocean Platform continues to grow, we’re expanding our engineering team. We're looking for a Senior Front-End Engineer with experience in React, someone who is curious, proactive, and passionate about building high-quality digital solutions. Signal’s Software Engineers work closely with data science, design, product, and business analysis professionals to develop robust solutions for the highly entrepreneurial domain of shipping.

Technology Stack

We build cloud solutions using C#, .NET Core, Typescript, React, MSSQL Server, Azure, Python, MongoDB, Redis, Docker, Kubernetes, Service Fabric, Grafana and more. We also offer the opportunity to work on state-of-the-art architectures and technology stacks, as well as a global, Artificial Intelligence-powered technology product vision. We use Dual-track Agile to organize our teams and would love to onboard people who can contribute across product discovery, delivery, optimization, QA, DevOps, and Continuous Integration.

Requirements

• Master’s or Bachelor’s degree in Computer Science, a related technical field, or equivalent practical experience.
• 5+ years of front-end development experience building real-world web applications of medium-to-large scale and complexity.
• Demonstrable React, JS/TS, HTML, and CSS experience.
• Active interest in reading-up on the latest frameworks and libraries.
• Knowledge and active interest in Design Patterns and SOLID architecture principles.
• Familiarity with cloud computing, experience with tuning and configuration.
• Strong attention to interaction design and detail; passion for building intuitive web interfaces that present data in compelling ways.
• Ability to understand business needs quickly and create relevant UI prototypes and proofs-of-concept
• Experience with Agile/SCRUM.
• Experience building and consuming RESTful APIs
• Understanding of unit testing and experience writing tests
• Ability to work effectively with remote teams
• Positive, collaborative approach to work and a strong sense of ownership and accountability
• Excellent command of written and spoken English (company’s working language)
• Familiarity with C# and .NET Core is a plus.

Benefits

• Generous compensation with additional performance incentives.
• Coverage under the company’s collective health insurance plan.
• Opportunity to work alongside experienced professionals with deep knowledge in software engineering, data science & shipping business who are always eager to mentor.
• Signal’s hybrid work policy includes 6 on-site working days per month, which also feature happy hour events.
• 2-4 weeks of onboarding training to prepare you for your new role, having the opportunity to meet about 30 trainers while diving deep into our products and/or the shipping world.
• Career growth opportunities and a structured development discussion every 4 months.
• Personal learning budget for training, seminars, conferences (750 to 2000 EUR annually depending on seniority).
• Regular team bonding events and activities.
• Fitness benefits to support your health and wellbeing 

All applications will be considered under the terms and conditions of confidentiality in accordance with the regulations of personal data protection.

We are an Equal Opportunity Employer committed to diversity and inclusion in the workplace. At Signal, we believe that diversity of opinions, approaches and viewpoints is key to our innovation and success and we encourage that with our hiring, development and rewards practices. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristics by law and take actions to eliminate those from our workplace.

Company:

Qureight Ltd is a Cambridge, UK based company who accelerates clinical trial development at key decision points through data curation and AI-powered decision making. We work with pharmaceutical companies, contract research organisations and hospitals to curate data and help the best drugs get approved: so they can be given to patients who need them the most. We are currently focused on lung and heart disease.

Technology

Since 2018 we have developed an AI-powered technology stack for collaborative analysis for imaging, clinical data and Biomarkers. Our proprietary technology includes AI based image algorithms for CT scans, AI assisted workflows and central image read cloud based technology. Our platform allows our partners to run AI based data analytics on complex trial data including images, clinical data and biomarkers. 

Our purpose built technology has been created by world leading experts in healthcare data, that is fast, efficient and AI guided central read image workflows for clinical trials, along with capability of AI powered quantitive imaging analysis of CT scans including quantification of lung volumes, airways, pulmonary vessels and fibrosis.  

We are looking for experienced and talented developers to help further improve our technical stack and build the worlds leading AI-powered tool through the use of our platform.

Key experience within the regulatory industry along with experience of building, documenting and testing interfaces to REST APIs, Linux based operating systems, GraphQL and AWS.

Requirements

Minimum Requirements

• A STEM degree from a well-respected university or equivalent industrial experience.
• UK applicants Only
• Cambridge (UK) reliably commute or plan to relocate before starting work (preferred)
• Minimum 5 years experience in Software Development
• Full right to work in the UK without restriction, time limit, or sponsorship
• Proficiency in JavaScript/TypeScript
• You have built, documented, and tested interfaces to REST APIs
• Comfortable building React applications using TypeScript
• Able to craft clean user interfaces using existing frameworks or custom component design.
• Produce maintainable, testable, documented, production-grade code.
• Have utilised CI/CD processes (gitlab preferred)
• Strong written and verbal communication skills
• Familiarity with front end testing frameworks
• Experience of working in a team using agile methodologies
• Experience in wire framing UI components

Preferred skills and experience

• Comfortable with Linux-based operating systems
• Experience with AWS cloud services
• Experience of working with GraphQL
• Familiarity with SQL and good schema design
• Familiarity with containerisation principles
• Experience in a regulated industry especially medtechi

Benefits

What can we offer you?

• Flexible working hours
• Hybrid working policy (2/3 days per year team meetings)
• 25 days annual leave, plus bank holidays
• Health Insurance
• Contributory pension
• Up to £1000/year enrichment fund for career/personal development
• Beautiful office in the heart of Cambridge (10 min from station)
• Opportunities for personal development and academic collaborations in a vibrant and fast-acting company
• Opportunities for personal and professional development as we rapidly scale the company
• The chance to join a friendly, motivated group of people on a mission for universal good in healthcare
• Experience in a highly regulated industry where high-quality code is a must
• Discretionary employee share options scheme