Senior Full Stack Software Engineer - Payments Team - Remote

Overview

Neilson is seeking a seasoned Senior Full Stack Software Engineer to join their Payments Engineering team, where you'll drive the evolution of their payment platform and support global payment flows.

In Short

• Design and develop scalable, secure REST APIs in .NET/C#.
• Build responsive UIs using Vue.js for managing payment flows.
• Develop integrations with external payment providers.
• Champion automation-first development with end-to-end testing.
• Implement and maintain CI/CD pipelines.
• Work closely with Product, Compliance, and Finance teams.
• Lead code reviews and advocate for TDD/BDD practices.
• Participate in post-incident reviews for system hardening.
• Help shape system architecture and DevOps practices.
• Contribute to a platform managing payment lifecycle flows.

Requirements

• Proficient in .NET/C#, JavaScript, Azure SQL.
• Experience developing APIs and UI components in distributed systems.
• Strong knowledge of test automation frameworks and CI/CD practices.
• Experience with payment systems like Stripe and ACH.
• Solid understanding of transaction integrity and financial safety.
• Combination of skills and experience in Senior Full Stack Engineering roles.

Benefits

• 100% remote-first role with flexible working options.
• Pension, healthcare, life assurance.
• Great central office near Windsor train station.
• Supportive team culture with celebrations for wins.
• Regular theme days and charity events.
• Employee Assistance Programme for personal support.
• Local discounts for coffee, restaurants, and gyms.
• Wellbeing initiatives including flu vaccinations and cycle schemes.
• 25 days holiday plus bank holidays.