Software Development Engineer III | Full stack - Wallet

The role

You will join the Wallet team and focus mainly on backend work for the Wallet, Billing and Taxes platform. You will own features end-to-end, from API design and backend code to Vue.js frontend changes when needed.

What you will do

• Own end-to-end feature delivery for the Wallet, Billing & Taxes platform, from API design to Vue.js frontend changes
• Build and maintain stable, performant, scalable backend services using Node.js, MongoDB and distributed systems patterns
• Identify and fix systemic issues such as crashes, time-outs, race conditions and memory leaks
• Drive performance and cost-efficiency improvements such as query tuning, caching and reducing cloud spend
• Reduce technical debt by refactoring critical code, improving test coverage and removing anti-patterns
• Implement and enforce security best practices in every change
• Enhance observability with logs, metrics, alerts and tracing
• Collaborate with QA from day one, including reviewing test cases and live demos during handover
• Contribute to internal tooling and automation for development and deployment
• Pair with engineers, share knowledge and help unblock teammates

Required qualifications

• 4 to 7 years of backend engineering experience with exposure to scale
• Expert-level Node.js and a track record of clean, modular, reusable code
• Deep expertise with MongoDB, including complex schemas, aggregation pipelines, indexing and sharding
• Solid production experience with Redis for caching, rate-limiting, pub/sub and distributed locks
• Hands-on experience building and running microservices on Kubernetes
• Strong hands-on experience with a major cloud provider (GCP, AWS or Azure)
• Comfortable contributing to the frontend using a modern UI framework (Vue.js, React or Angular)
• Experience shipping and supporting large-scale, mission-critical systems under heavy load

Nice to have

• Experience with AI tools and contributions to open-source tools, internal platforms or engineering blogs
• NestJS or Express.js experience
• Elasticsearch for search and filtering use cases
• Exposure to an OLAP system such as ClickHouse, Snowflake or BigQuery

Before you apply

• The company is an Equal Opportunity Employer and invites voluntary demographic information for compliance purposes

About the company

HighLevel is a cloud-based, all-in-one white-label marketing and sales platform serving over 1 million businesses. The company has over 1,500 team members across 15+ countries in a global, remote-first environment.