Sr. SDE

HighLevel; Texas; Hybrid; USD 140,000 - 210,000; Full time

Job summary

HighLevel is seeking a Senior Software Development Engineer to build and evolve scalable frontend and backend systems, influencing architecture and driving performance and reliability. You will own features end-to-end, collaborate with product managers, designers, and engineers, and apply AI-assisted development to improve testing, debugging, and production readiness.

Strong Node.js/TypeScript and frontend skills are required.

Qualifications

• 4+ years in software engineering building scalable backend systems and high-performance frontend apps.
• Strong backend skills with Node.js, TypeScript, API development, data modeling, and system design.
• Experience with RESTful APIs, microservices, distributed systems, and cross-service communication.
• Experience with MongoDB and Redis; data modeling and performance optimization.
• Familiarity with event-driven architectures and messaging systems (Kafka, Pub/Sub, RabbitMQ).
• Exposure to AI/LLM development, integrating AI APIs and AI-assisted workflows.
• Good frontend experience with Vue.js, React, or Angular; Vue.js preferred, with Tailwind/Bootstrap.
• Knowledge of frontend state management (Vuex/Pinia, Redux) and modern CSS frameworks.
• Experience with observability tools (Grafana, Prometheus, Sentry) and debugging.
• Familiarity with SDLC, Agile, Git workflows, testing, and CI/CD pipelines.

Responsibilities

• Own architecture, design, and development across Agency Module and Platform Billing.
• Design scalable backend services and integrations with a focus on reliability and security.
• Build frontend experiences for agency management and onboarding with modern frameworks.
• Drive technical decisions, assess risks, and own complex features end-to-end.
• Leverage AI-first development practices to improve testing, debugging, and refactoring.
• Model data across Firestore, MongoDB, ClickHouse, and Elasticsearch.
• Contribute to SDLC activities from requirements to production support.
• Write clean, secure, testable code with unit/integration coverage.
• Maintain observability through logs, metrics, and tracing for faster issue resolution.
• Participate in code reviews, incident resolution, and on-call support as needed.
• Collaborate with product, design, and other engineering teams to translate requirements into scalable solutions.
• Follow security, scalability, maintainability, testing, documentation, and production-readiness best practices.

Skills

Problem solving

Communication

Ownership

Mentorship

System design

Debugging

Agile

Cross-functional collaboration

Technical decision-making

Observability

Education

Bachelor's degree in Computer Science or related field

Tools

Node.js

TypeScript

NestJS

REST APIs

MongoDB

Redis

Firestore

Elasticsearch

Kafka

Git

CI/CD

Job description

As a Sr. SDE, you'll play a key role in building and evolving these systems across the frontend and backend while contributing to technical architecture and engineering decisions. You'll work on challenges involving scalable APIs and services, distributed systems, data architecture, and modern frontend experiences—with a strong focus on reliability, scalability, and performance. You'll collaborate closely with product managers, designers, and other engineers to take features from requirements and technical planning through implementation and production, while contributing to technical decisions and continuously improving the systems you own.

Responsibilities:

• Own and contribute to the architecture, design, and development of key product areas across the Agency Module, Agency Onboarding, and Platform Billing.
• Design and build scalable backend services, APIs, and integrations, working across internal microservices and third-party platforms such as Stripe, with a strong focus on reliability, security, and performance.
• Build performant and scalable frontend experiences for agency management, onboarding, and billing workflows using modern frontend frameworks and component-driven architecture with strong state management practices.
• Drive technical decisions, identify risks and trade-offs, and independently own complex features from technical design through production.
• Leverage AI-first development practices and AI-assisted development tools to improve development, testing, debugging, and refactoring while maintaining strong quality and security standards.
• Design data models and build efficient queries across data stores such as Firestore, MongoDB, ClickHouse, and Elasticsearch.
• Participate across the full Software Development Life Cycle (SDLC), from requirement analysis and technical design to implementation, deployment, monitoring, and production support.
• Write clean, efficient, secure, and testable code with appropriate unit and integration test coverage.
• Build and maintain effective observability through logs, metrics, monitoring, and tracing to improve system reliability and enable faster production issue resolution.
• Participate in code reviews, technical design discussions, incident resolution, and operational support, including on-call responsibilities where applicable.
• Collaborate closely with product managers, designers, and other engineering teams to translate business requirements into scalable technical solutions.
• Follow engineering best practices around security, scalability, maintainability, testing, documentation, and production readiness.

Requirements:

• 4+ years of hands-on software engineering experience building and scaling robust backend systems and high-performance frontend applications.
• Strong backend engineering skills with hands-on experience in Node.js, TypeScript, API development, data modeling, and system design. Experience with NestJS is preferred.
• Strong understanding of RESTful API design, microservices architecture, distributed systems, and cross-service communication.
• Hands-on experience working with data stores such as MongoDB and Redis, with a strong understanding of data modeling, query design, and performance optimization.
• Experience working with event-driven architectures and messaging systems such as GCP Pub/Sub, Kafka, RabbitMQ, or similar technologies.
• Exposure to AI/LLM application development, such as integrating LLM APIs, prompt/context design, or building AI-assisted product workflows.
• Good frontend development experience with modern frameworks such as Vue.js, React, or Angular, with Vue.js preferred, along with a good understanding of component-driven architecture and modern CSS frameworks such as Tailwind CSS or Bootstrap.
• Experience with frontend state management patterns and libraries such as Vuex/Pinia, Redux, MobX, or similar solutions.
• Good understanding of production observability and debugging, including logging, monitoring, tracing, error tracking, and performance profiling using tools such as Grafana, Prometheus, Sentry, or similar platforms.
• Experience with modern SDLC practices, Agile development methodologies, Git workflows, automated testing, and CI/CD pipelines.
• Familiarity with specialized data platforms such as ClickHouse and Elasticsearch, and an understanding of when to use document databases, analytical/columnar databases, and search engines.
• Familiarity with modern developer productivity tools, including hands-on experience with AI-assisted development tools such as Cursor, Claude Code, GitHub Copilot, or similar tools.
• Strong problem-solving and debugging skills, with the ability to investigate issues across frontend, backend, databases, integrations, and distributed services.
• Excellent communication and cross-functional collaboration skills, with the ability to drive technical discussions, make sound engineering trade-offs, and mentor other engineers.
• Strong ownership mindset with the ability to independently drive complex engineering problems and deliver high-quality solutions.