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Software Development Engineer III – Full Stack, Wallet
Location
India
Posted
173 days ago
Salary
0
Seniority
Senior
Job Description
Software Development Engineer III – Full Stack, Wallet
HighLevel
• Own end-to-end feature delivery for the Wallet, Billing & Taxes platform – from API design and backend implementation to necessary Vue.js frontend changes. • Build and maintain highly stable, performant, and scalable backend services using Node.js, MongoDB, and distributed systems patterns. • Identify and fix systemic issues (crashes, time-outs, race conditions, memory leaks, etc.) to improve overall platform reliability. • Drive performance optimizations and cost-efficiency improvements (query tuning, caching strategies, indexing, reducing cloud spend). • Actively reduce technical debt by refactoring critical parts of the codebase, improving test coverage, and eliminating anti-patterns. • Implement and enforce security best practices (input validation, auth flows, secrets management, rate limiting, etc.) in every change. • Enhance observability – add meaningful logs, metrics, alerts, and tracing to make issues easier to debug in production. • Collaborate closely with QA from day one: review test cases, perform live demos during QA handover, and quickly address feedback. • Contribute to internal tooling and automation that speeds up development and deployment cycles. • Pair with other engineers, share knowledge, and help unblock teammates when needed. • Participate in on-call rotation and resolve production incidents for the services you own. • This is a hands-on IC role where you’ll write a lot of production code, ship frequently, and directly impact the stability and scalability of our Wallet platform.
Job Requirements
- 4–7 years of backend engineering experience with proven exposure to scale (high TPS, large datasets, or multi-tenant environments)
- Expert-level Node.js and a strong track record of writing clean, modular, reusable code
- Deep expertise with MongoDB (complex schemas, aggregation pipelines, indexing, sharding)
- Solid production experience with Redis (caching, rate-limiting, pub/sub, distributed locks)
- Hands-on experience building and running microservices on Kubernetes (basic K8s knowledge is sufficient – deployments, services, configmaps, etc.)
- Strong hands-on experience with any major cloud provider (GCP, AWS, or Azure) – you know how to use managed services for containers, queues, caches, serverless, and databases effectively
- Comfortable contributing to the frontend using any modern UI framework (Vue.js, React, Angular – Vue.js experience is a plus but not mandatory)
- You’ve shipped and supported large-scale, mission-critical systems that stayed stable under heavy load. You love modular architecture, obsess over performance and cost on GCP, and can jump into the frontend when needed to ship complete features.
Benefits
- Health insurance
- Flexible working hours
- Remote work options
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