Frontend Software Engineer

Key Highlights: Job Title: Experienced Frontend Software EngineerLocation: Gateshead, hybrid working or UK, remoteReporting to: Engineering Lead About Us SaleCycle is redefining how brands convert, engage, and retain customers through AI-driven experiences across the entire customer journey. SaleCycle combines real-time onsite personalisation and intent scoring with offsite activation across email, SMS, and paid channels, enabling brands to identify, engage, convert, and re-engage customers with precision. What We Do We provide a full-funnel Agentic Marketing Platform, combining:Real-time behavioural analytics and intent scoringAI-powered search, recommendations, and agentic decisioningOnsite personalisation and A/B testingCross-channel activation (email, SMS, paid media)CRM/CDP integrations and first-party data orchestrationRetail media and monetisation capabilities Who we are We are a global team of 100+ people across the UK, France, Spain, Italy, and Eastern Europe. We are profitable, growing, and operating with a clear mindset: We build, not maintainWe prioritise outcomes over activityWe operate with low ego and high accountabilityWe challenge ourselves to step outside our comfort zone Job Summary As a Frontend Software Engineer, you will be part of a highly collaborative, agile, and empowered product delivery team, dedicated to building the interfaces our brands and shoppers use to experience AI-driven personalisation, recommendations, and agentic decisioning in real time. You'll own the React/TypeScript front end of our platform end-to-end, from performant, low-latency on-site experiences to the internal tools our teams use to configure and monitor AI agents, working closely with the backend engineers (Go, C#/.NET) and AI/ML teams who power them. This is a great opportunity to work in an environment that embraces cutting-edge technologies, with a strong focus on React, TypeScript, and modern front-end architecture for AI-powered products. Exposure to, or an appetite to pick up, Go and/or C#/.NET is a genuine plus, since you'll frequently be working across the API boundary with those services. We're looking for someone who is passionate about writing high-quality front-end software and thrives in a collaborative team environment. Key Responsibilities Designing and building modern, performant front-end applications using React and TypeScript, including AI-powered and agentic user experiences (real-time personalisation, recommendations, conversational/agent interfaces)Translating intent scoring, decisioning, and analytics outputs from our AI/agentic services into clear, responsive, and delightful UICollaborating closely with backend engineers on Go and C#/.NET services to help shape clean, well-documented APIs that serve the front end wellBuilding and maintaining reusable component libraries and design-system foundations across our product suiteOptimising for performance, accessibility, and reliability, including in edge/onsite personalisation contexts where flicker and load time are criticalWriting clean, maintainable, and efficient code following industry best practices (e.g., SOLID principles, component-driven design)Collaborating within an agile, Scrum-driven team, participating in sprints and planning sessionsContributing to automated testing, CI/CD pipelines, and monitoring production front-end systemsEngaging in peer code reviews and mentoring junior engineers to support knowledge-sharing and team growth Essential Skills & Experience Strong, hands-on experience with React and TypeScript in production applicationsSolid grounding in modern JavaScript/TypeScript, component architecture, and state managementExperience building UI for data-rich or AI-powered products (analytics dashboards, recommendation surfaces, real-time personalisation, or similar)Comfortable consuming and helping shape RESTful (or similar) APIs from front-end codeFamiliar with git or other distributed source control systemsA problem-solver with a proactive approach to diagnosing and resolving issuesPassionate about writing clean, maintainable, and scalable front-end codeExperience building and maintaining automated test suites with Cypress/Jest, or similarExperience with project management tools such as JIRA Nice to have Experience with Go and/or C#/.NET enough to read, debug, or contribute to the services your UI talks to is a strong plusFamiliarity with cloud computing platforms (AWS, Azure)Exposure to AI/ML-powered products: LLM-driven features, agentic systems, recommendation engines, or A/B testing platformsFamiliarity with operating in an ISO 27001-certified environmentExperience with Docker and containerised environmentsKnowledge of CI/CD pipelines and DevOps practicesFamiliarity with updating and maintaining dependencies to proactively address security risksExperience with mentoring, training, or knowledge sharing within a team Our Perks & Benefits We value our employees at SaleCycle, so we offer great benefits, perks and incentives in addition to a competitive salary. ⏱️ Flexible hybrid working 🌴 25 days annual leave + public holidays + your birthday off + increase holidays for length of service 🚗 Free parking at the office 🎊 Annual company meet-up 🎉 Monthly social fund 💰Monthly working from home allowance 🏅 Long Service Awards 📕 Annual training budget 🚨For all our perks, please visit our website https://careers.salecycle.com/ Our Idioms At SaleCycle, we care about our people; we prioritise well-being and work-life balance, growth & innovation, continuously pushing boundaries as a team and a company for our customers. We MOVE together as One We MOVE out of the Comfort zone We MOVE at Pace We MOVE to Scale We MOVE to the Needle Support & Equal Opportunities It’s okay if you don’t tick all the boxes - don’t let imposter syndrome prevent you from applying! SaleCycle is committed to providing a caring work environment for all employees, regardless of age, sex, disability, sexual orientation, race, religion, or belief. When it comes to recruitment, we’re interested in your work experience, skills, and overall personality. Because diversity makes the workplace stronger and is necessary for SaleCycle's success, we are intensifying efforts to incorporate concrete actions to help us improve in this area. Interested? Apply now! We’d love to hear from you! If you’re excited about this opportunity and want to be part of a fast-moving, innovative team, apply today. As part of our recruitment process, successful candidates are subject to a DBS check. This cost is covered by SaleCycle. Salary Range For this position, we offer a salary of up to £60,000 per annum depending on experience.