What Jobs are available for Front End Engineer in the United Kingdom?

Validus is looking for a talented mid-level 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:

• Deliver new features to a high standard with meaningful test coverage for Validus applications including the order management system and the risk management system.
• Collaborate with backend, quant, and platform teams to integrate features and resolve issues across the stack.
• Participate in code reviews, supporting more junior colleagues and learning from experienced engineers to continually improve 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.
• Contribute ideas to improve the frontend technology stack, working alongside senior engineers to implement new technologies.
• 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.
• Work on real-time data components, such as market data in graphs using HighCharts, to keep users up to-date.
• Use HandsOnTable to display large amounts of data, whilst improving performance to give the user an “excel” like feel within the browser.

Requirements

• Strong TypeScript knowledge.
• Strong React knowledge.
• Experience with state management libraries, such as Zustand or Redux.
• Ability to write clean, maintainable and testable code.
• Experience with writing automated tests and testing frameworks like Vitest and Playwright.
• Experience in consuming data from APIs using architectural styles like REST and GraphQL.
• Ability to implement beautiful styles using CSS.
• 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.

Harmonic Security lets teams adopt AI tools safely by protecting sensitive data in real time with minimal effort. It gives enterprises full control and stops leaks so that their teams can innovate confidently.

We are led by cybersecurity experts and backed by top investors including N47, Ten Eleven Ventures, and In-Q-Tel. 

We’ve gained early traction and product-market fit with a world-class team, and we’re now focused on laying the foundation for a truly iconic global brand. This is your opportunity to join us early and shape not just a brand, but a category.

Our Product Delivery team is the engine that turns vision into impact. We ship early and often, getting valuable features into the hands of customers quickly and iterating from there. We work in the open by default, sharing progress and ideas, and we trust each other to own outcomes. We’re a small but mighty crew where every person plays a critical role and we’re committed to using AI to work smarter and faster

We’re looking for a Front End Engineer to help shape the future of Harmonic’s product experience. You’ll be one of our earliest UI engineers, working closely with product, design, and backend teammates to turn complex security problems into simple, elegant, and fast user experiences. This isn’t just a coding role - you’ll own outcomes, influence architecture, and set the tone for how we build and scale our front end.

• Design and build front-end systems that make security effortless for users
• Collaborate with product, UX, and ML teams to create elegant solutions to complex problems
• Shape our front-end stack and establish best practices for scale, performance, and security
• Own features end-to-end - from design reviews to deployment - with real customer impact
• Ship fast, learn fast; continuously delivering value and refining based on user feedback

• Our product feels intuitive, performant, and delightful to use
• Features you’ve built are widely adopted and make security workflows seamless
• Our front-end stack is modern, clean, and scalable, enabling rapid growth
• Security, performance, and accessibility are baked into every release
• You’re seen as a trusted partner by product, design, and engineering peers

Requirements

• Strong experience with React, TypeScript, JavaScript, HTML, and CSS
• Skilled in component-based architecture, state management, and responsive design
• A track record of building performant, secure, user-facing applications
• Comfortable with modern tooling (Git, CI/CD, testing frameworks)
• A product-driven mindset; you love making complex workflows intuitive
• Excellent collaboration and communication skills in cross-functional teams

• Love solving complex UI/UX challenges with simplicity and speed
• Care deeply about design and user experience, not just functionality
• Thrive in fast-paced startup environments where ambiguity is the norm
• Enjoy shaping culture and engineering practices, not just writing code
• See AI as a tool to help you build smarter, faster, and better

Benefits

This isn’t just a job; it’s an opportunity to be part of a team that is redefining cybersecurity. We believe today’s talent is tomorrow’s success, and we’re committed to creating an environment where you can do the best work of your life.

• Competitive pay and meaningful equity with a direct stake in Harmonic’s success
• Comprehensive benefits, pension plan, generous PTO, and flexible hybrid work
• A small, passionate team that values transparency, creativity, and learning
• Thoughtful leadership that cares deeply about growth, impact, and people
• Annual global offsites (past trips include Lisbon and Nashville)
• The chance to directly shape both our product and our culture as we build a category-defining company

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. 

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.

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.