Senior UI Software Engineer

Salary: £45,000 - 85,000 per year

Requirements:

• 5+ years of software engineering experience
• BS in Engineering, Computer Science, or equivalent experience required
• Strong production-grade React experience with a track record of delivering at scale
• Hands-on experience with at least two of Dash, Domo, Snowflake UI tooling, or comparable data visualisation platforms
• Experience building dashboards or data-intensive tools in high-throughput, SLA-bound environments
• Ability to work with backend services in Python or Java to debug and extend the full data path
• Familiarity with data visualisation libraries such as D3, Plotly, ECharts, or similar
• Proven ability to take initiative and drive work independently
• Working knowledge of DevOps and security-aware engineering practices, including CI/CD and deployment patterns
• Broad full-stack curiosity and willingness to work outside a primary discipline when needed
• Preferred: experience with Snowflake, Snowpark, or Snowflake-native application frameworks
• Preferred: interest in LLMs, vector search, and modern AI application patterns
• Preferred: prior work in fraud, identity, risk analytics, or similarly data-dense production environments

Responsibilities:

• Architect and build production-grade portal and dashboard interfaces in React and TypeScript
• Develop and maintain data-facing views using tools like Dash or Domo, and Snowflake-backed pipelines
• Deliver UI features that operate reliably at high data volumes with strict latency and availability SLAs
• Integrate front-end applications with backend inference APIs, behavioural signals, and analytics services
• Implement secure UI patterns, role-based access controls, and compliance-aware data presentation
• Collaborate with ML engineers to surface model insights and AI capabilities through well-designed interfaces
• Own DevOps responsibilities for front-end services, including build pipelines, deployment, monitoring, and incident response
• Contribute to component libraries, design standards, and developer experience tooling

Technologies:

• AI
• Architect
• Backend
• CI/CD
• D3
• DevOps
• Support
• Java
• Python
• React
• Security
• Snowflake
• TypeScript
• UX UI Design
• Machine Learning

More:

We are LexisNexis Risk Solutions, the essential partner in the assessment of risk. Within our Business Services vertical, we provide solutions that help businesses of all sizes drive higher revenue growth, maximize operational efficiencies, and improve customer experience, including support for Anti-Money Laundering/Counter Terrorist Financing, Identity Authentication & Verification, Fraud and Credit Risk mitigation, and Customer Data Management. We offer a range of benefits to support wellbeing and life outside work, including generous holiday allowance with the option to buy additional days, health screening, eye care vouchers and private medical benefits, wellbeing programs, life assurance, a competitive contributory pension scheme, share options, travel season ticket loan, electric vehicle scheme, optional dental insurance, maternity, paternity and shared parental leave, an Employee Assistance Programme, emergency care support, RECARES days, employee resource groups with volunteering time, extensive learning and development resources, and employee discounts via Perks at Work. The role is based in UK - London (London Wall) and is full time.

last updated 35 week of 2026