Remote Senior Software Engineer (UK)

Description:

• Sequence is a company backed by a16z and Salesforce Ventures, focused on reinventing the accounts receivable category for B2B finance teams.
• The team has extensive experience in building marketplace, machine learning, fintech, and enterprise software companies.
• The role is for a Senior Software Engineer with strong backend and cloud infrastructure experience to build systems that power billing for modern B2B companies.
• The engineer will own revenue-critical infrastructure, ensuring correctness and uptime, and will work on the evolution of a platform that processes merchant actions for billing.
• Responsibilities include designing event streaming pipelines, building scalable data systems, shaping backend architecture, and driving impact within a small team.
• The ideal candidate should enjoy building scalable systems, have experience in event-driven architectures, and be comfortable with backend development in strongly-typed languages.

Requirements:

• Candidates must have experience building systems that scale and understand trade-offs in designing for throughput, latency, and cost.
• Strong experience in event-driven architectures is required, including building pub/sub systems and working with event streaming platforms.
• Candidates should have a deep understanding of data systems, including analytical databases or OLAP systems, and be able to reason about storage and query optimization.
• Experience in provisioning cloud resources and writing infrastructure-as-code is necessary, along with the ability to model and optimize costs as systems scale.
• Proficiency in backend coding in strongly-typed languages is required, with a willingness to learn Kotlin if not already familiar.
• Candidates should thrive in uncertainty and be comfortable adapting to shifting priorities and evolving requirements.
• A customer-centric mindset is essential, as the role involves working directly with customer data and understanding the impact of the systems built.

Benefits:

• The salary range for this role is £90,000 - £110,000, plus share options.
• Employees will have early ownership of critical infrastructure at a fast-growing company.
• There is real architectural influence, allowing engineers to shape how the company builds for years to come.
• The company fosters a collaborative team environment that values deep technical work and continuous learning.
• Remote work is supported within +/- 3 hours of GMT and EST, or employees can choose to work from offices in central London or New York.