Back-End Developer - HubSpot Integration Specialist

SmartBug Media is the most decorated HubSpot agency, delivering digital solutions that empower organizations across the entire customer lifecycle, including marketing, sales, revenue operations, customer success, and e-commerce. We utilize sound strategies, cutting-edge AI, and digital innovation to drive sustainable growth.

We operate with a fully remote team of over 250 professionals, specializing in creating intelligent web and digital ecosystems, from corporate websites to complex web applications, seamlessly integrated with AI-powered solutions. We build scalable, innovative tools that serve as engines for long-term success.

The Back-End Developer designs, builds, and maintains server-side systems crucial for custom integrations and data flows within the HubSpot ecosystem. This role involves developing scalable architectures that connect HubSpot with third-party platforms and internal systems, ensuring reliable, secure, and performant data exchange. You will collaborate with integration strategists, marketing strategists, and CRM specialists to create automation and API solutions that enhance business growth and operational efficiency.

Responsibilities

System Architecture & Integration Development

• Design and implement robust APIs, microservices, and backend logic to support integrations between HubSpot and other platforms.
• Build secure and scalable architectures for handling high-volume data synchronization.
• Manage database structures, schema design, and server-side logic for data storage and retrieval.
• Ensure maintainability through modular and reusable code design.

Data Management & Optimization

• Develop efficient data pipelines and synchronization processes.
• Troubleshoot and resolve performance bottlenecks in queries or integrations.
• Implement caching, queuing, and load balancing strategies for optimized system performance.
• Ensure data accuracy, consistency, and security across all systems.

Collaboration & Technical Guidance

• Partner with project managers and strategists to translate business logic into technical solutions.
• Participate in sprint planning, code reviews, and technical documentation.
• Help define backend development standards and best practices.

Quality, Security & Reliability

• Implement and maintain secure authentication, authorization (OAuth 2.0, JWT), and encryption practices.
• Conduct code reviews, testing, and QA for backend systems.
• Maintain uptime, scalability, and disaster recovery plans for critical integrations.
• Stay informed on new backend frameworks, languages, and security protocols.

Continuous Improvement & Innovation

• Identify opportunities to improve performance, reduce technical debt, and enhance developer workflows.
• Research and implement tools that improve automation, CI/CD pipelines, and code deployment.
• Contribute to internal libraries or reusable integration frameworks.

Required Skills & Experience

• Education: Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience.
• Experience: 3–5 years of back-end development experience focusing on API design, data processing, and system integration. Experience working with marketing, CRM, or SaaS platforms (HubSpot experience required).
• Leadership Experience: Led technical efforts on backend projects or mentored junior developers; participated in architectural decision-making and process improvement.
• Knowledge: Understanding of RESTful API design, authentication (OAuth 2.0, JWT), and data formats (JSON, XML). Knowledge of database management (PostgreSQL, MySQL, MongoDB). Familiarity with data sync and ETL principles.
• Technical Proficiency: Strong proficiency in one or more backend languages (PHP, Node.js, Python, or Go). Experience with server frameworks (Express.js, Django, or FastAPI). Proficient in Git, CI/CD, and containerization (Docker). Familiarity with AWS, Azure, or GCP for deployment.
• Power Skills: Strong analytical and problem-solving mindset. Excellent cross-functional communication skills. Attention to detail, commitment to code quality and performance. Self-starter who thrives in a collaborative, agile environment.

Preferred Qualifications

• Education: Advanced degree in Computer Science or related discipline.
• Experience: 5+ years in backend system design or integration architecture. Experience with HubSpot APIs or large-scale SaaS integrations.
• Leadership Experience: Guided backend teams through refactoring or modernization projects.
• Knowledge: Understanding of event-driven architecture or serverless computing. Familiarity with advanced caching, message queues, or distributed systems.
• Technical Proficiency: Experience with TypeScript, GraphQL, or container orchestration (Kubernetes). Exposure to monitoring tools (New Relic, Datadog).
• Power Skills: Proactive communicator who translates complex technical topics clearly. Strong ownership mentality and focus on scalability and maintainability.