Senior Front End Developer

TXP is expanding its front-end engineering capability and is looking for an experienced Senior Front End Developer to join our growing delivery teams.

This is an opportunity to work on complex, modern applications at scale, using contemporary front-end technologies within a collaborative, Agile environment. You’ll play a key role in building high-quality, performant and accessible user interfaces while helping to maintain strong engineering standards across the team.

As a Senior Front End Developer, you’ll be hands-on across the full software development lifecycle, contributing to design, development, testing and deployment of React-based applications.

You’ll take ownership of technical delivery, support best practice, and work closely with other developers, testers and stakeholders to deliver robust, high-quality solutions.

We are proud of our culture and values, which guide everything we do:

• Client Focus - We put our clients at the heart of every decision.
• Adaptability - We embrace change and thrive in dynamic environments.
• Responsibility - We take ownership and deliver with integrity.
• Excellence in Delivery - We are committed to delivering outstanding results.
• Success & Celebration - We celebrate achievements and learn from every experience.

As a Senior Front End Developer, you will embody these values in your leadership, decision-making, and client interactions.

What You’ll Be Doing

• Designing, developing and maintaining front-end applications using React and modern JavaScript frameworks
• Working across the full SDLC: design, coding, testing, defect resolution and deployment
• Ensuring work meets agreed quality, functionality and delivery timelines
• Participating fully in Agile, sprint-based delivery, including planning, stand-ups, reviews and retrospectives
• Building user interfaces that consume and integrate REST APIs
• Applying best practice around code quality, performance, accessibility and progressive enhancement
• Supporting and mentoring junior developers and contractors where appropriate
• Collaborating with back-end engineers and QA to deliver well-rounded solutions
• Contributing to shared standards, patterns and continuous improvement across the team

Essential experience:

• Strong commercial experience with React
• Experience with modern JS frameworks including Remix and React Router
• In-depth knowledge of TypeScript and JavaScript
• Solid understanding of server-side rendering (SSR) and progressive enhancement
• Experience using the MUI React component library
• Strong experience building and consuming REST APIs
• Hands-on experience with end-to-end testing, ideally using Playwright
• Experience working in Agile / Scrum teams
• A good understanding of software design, implementation and deployment principles

Desirable exposure:

• Accessibility and performance standards
• Cloud platforms (Azure and/or AWS)
• CI/CD pipelines
• Technical architecture concepts
• AI / LLM tooling

About You

• An experienced senior developer with a strong track record of delivery
• Detail-driven, quality-focused and methodical in your approach to problem-solving
• Able to explain complex technical concepts clearly to non-technical audiences
• Comfortable working independently and collaboratively within a team
• Well-organised, with strong time-management and prioritisation skills
• Proactive, enthusiastic and motivated to make a meaningful contribution
• Keen to support others and help build team capability

• 25 days annual leave (plus bank holidays)
• Holiday buy and sell scheme (up to an additional 5 days per annum)
• An additional day of paid leave for your birthday (or Christmas eve)
• 4% Matched employer contributed pension (salary sacrifice)
• Life assurance (3x)
• Private medical insurance through our partner Vitality.
• Access to an Employee Assistance Programme & other Health Benefits through our partner Medicash
• Octopus EV Scheme (salary sacrifice)
• Cycle to work scheme
• Corporate eye-care vouchers
• 2 x social value days per year to give back to local communities.

Grow with us: Work on exciting new projects. If you want to avoid getting stuck with the mundane, you’re in the right place. We work in many sectors with fantastic clients, so you’ll always be working on something exciting and challenging.

Career growth - we’ve got you! We recognise that you might have a career path planned out and you might need some support to help you move forward. We’re here to support you and make the most out of your time with us, through challenging work, opportunities to grow and learning and development opportunities.

At TXP, we pride ourselves on combining strong technical delivery with a supportive, people-first culture. You’ll work alongside talented engineers, have opportunities to grow your skills, and be trusted to make a real impact., Be part of the TXP growth journey. We are a high growth, fast paced environment. We currently have 200+ employees and work with clients across the UK. Joining TXP means you’ll be part of that.